WebSVN – gelsvn – Diff – /trunk/apps/MeshEdit/meshedit.cpp


/*
 *  MeshEdit is a small application which allows you to load and edit a mesh.
 *  The mesh will be stored in GEL's half edge based Manifold data structure.
 *  A number of editing operations are supported. Most of these are accessible from the 
 *  console that pops up when you hit 'esc'.
 *
 *  Created by J. Andreas Bærentzen on 15/08/08.
 *  Copyright 2008 __MyCompanyName__. All rights reserved.
 *
 */
 
#include <string>
#include <iostream>
#include <CGLA/eigensolution.h>
#include <CGLA/Vec2d.h>
#include <CGLA/Vec3d.h>
#include <CGLA/Mat3x3d.h>
#include <CGLA/Mat2x2d.h>
#include <CGLA/Mat2x3d.h>
 
#include <LinAlg/Matrix.h>
#include <LinAlg/Vector.h>
#include <LinAlg/LapackFunc.h>
 
#include <Util/Timer.h>
#include <Util/ArgExtracter.h>
 
#include <GL/glew.h>
#include <GLGraphics/gel_glut.h>
 
#include <HMesh/Manifold.h>
#include <HMesh/VertexCirculator.h>
#include <HMesh/FaceCirculator.h>
#include <HMesh/build_manifold.h>
#include <HMesh/mesh_optimization.h>
#include <HMesh/triangulate.h>
#include <HMesh/load.h>
#include <HMesh/quadric_simplify.h>
#include <HMesh/smooth.h>
#include <HMesh/x3d_save.h>
#include <HMesh/obj_save.h>
#include <HMesh/mesh_optimization.h>
#include <HMesh/triangulate.h>
#include <HMesh/close_holes.h>
#include <HMesh/caps_and_needles.h>
#include <HMesh/refine_edges.h>
#include <HMesh/subdivision.h>
 
#include <GLConsole/GLConsole.h>
#include <Util/Timer.h>
#include "harmonics.h"
#include "curvature.h"
#include "Renderer.h"
#include "VisObj.h"
 
using namespace std;
using namespace HMesh;
using namespace Geometry;
using namespace GLGraphics;
using namespace CGLA;
using namespace Util;
using namespace LinAlg;
using namespace CVarUtils;
 
inline VisObj& get_vis_obj(int i)
{
	static VisObj vo[9];
	return vo[i];
}
 
inline VisObj& avo()
{
	static int& active = CreateCVar("active_mesh",0);
	return get_vis_obj(active);
}
 
inline Manifold& active_mesh()
{
	return avo().mesh();
}
 
inline GLViewController& active_view_control()
{
	return avo().view_control();
}
 
// Single global instance so glut can get access
Trie CVarTrie;
GLConsole theConsole;
 
////////////////////////////////////////////////////////////////////////////////
char* ConsoleHelp(std::vector<std::string> &args)
{
    theConsole.Printf("");
    theConsole.Printf("----------------- HELP -----------------");
    theConsole.Printf("Press ESC key to open and close console");
    theConsole.Printf("Press TAB to see the available commands and functions");
    theConsole.Printf("Functions are shown in green and variables in yellow");
    theConsole.Printf("Setting a value: [command] = value");
    theConsole.Printf("Getting a value: [command]");
    theConsole.Printf("Functions: [function] [arg1] [arg2] ...");
    theConsole.Printf("Entering arg1=? or arg1=help will give a description.");
    theConsole.Printf("History: Up and Down arrow keys move through history.");
    theConsole.Printf("Tab Completion: TAB does tab completion and makes suggestions.");
    theConsole.Printf("");
    theConsole.Printf("Keyboard commands (when console is not active):");
    theConsole.Printf("w   : switch to display.render_mode = wireframe");
    theConsole.Printf("i   : switch to display.render_mode = isophotes");
    theConsole.Printf("r   : switch to display.render_mode = reflection");
    theConsole.Printf("m   : switch to display.render_mode = metallic");
    theConsole.Printf("g   : switch to display.render_mode = glazed");
    theConsole.Printf("n   : switch to display.render_mode = normal");
    theConsole.Printf("h   : switch to display.render_mode = harmonics");
    theConsole.Printf("f   : toggle smooth/flat shading");
    theConsole.Printf("1-9 : switch between active meshes.");
    theConsole.Printf("d   : (display.render_mode = harmonics) diffuse light on and off");
    theConsole.Printf("h   : (display.render_mode = harmonics) highlight on and off ");
    theConsole.Printf("+/- : (display.render_mode = harmonics) which eigenvector to show");
    theConsole.Printf("q   : quit program");
    theConsole.Printf("ESC : open console");
    theConsole.Printf("");
    theConsole.Printf("Mouse: Left button rotates, middle zooms, right pans");
    theConsole.Printf("----------------- HELP -----------------");
    theConsole.Printf("");
    return "";
}
 
bool wantshelp(std::vector<std::string> &args)
{
	if(args.size()==0) return false;
	string str = args[0];
	if(str=="help" || str=="HELP" || str=="Help" || str=="?") return true;
	return false;
}
 
/// Function that aligns two meshes.
char* console_align(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: align <dest> <src>");
		theConsole.Printf("This function aligns dest mesh with src");
		theConsole.Printf("In practice the GLViewController of src is copied to dst.");
		theConsole.Printf("both arguments are mandatory and must be numbers between 1 and 9.");
		theConsole.Printf("Note that results might be unexpexted if the meshes are not on the same scale");
		return "";
	}
	
	int dest = 0;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> dest;
		--dest;
		if(dest <0 || dest>8) return "dest mesh out of range (1-9)";
	}
	else return "neither source nor destination mesh?!";
	int src = 0;
	if(args.size()>1)
	{
		istringstream a1(args[1]);
		a1 >> src;
		--src;
		if(src <0 || src>8) return "src mesh out of range (1-9)";
	}	
	else return "no src mesh?";
	
	get_vis_obj(dest).view_control() = get_vis_obj(src).view_control();
	
	return "";
}
 
 
char* console_save(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: save <name.x3d|name.obj> ");
		return "";
	}
	string& file_name = args[0];
	if(args.size() == 1)
	{
		if(file_name.substr(file_name.length()-4,file_name.length())==".obj")
		{
			obj_save(file_name, active_mesh());
			return "";
		}
		else if(file_name.substr(file_name.length()-4,file_name.length())==".x3d")
		{
			x3d_save(file_name, active_mesh());
			return "";
		}
		return "unknown format";
	}
	return "usage: save <name.x3d|name.obj> ";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleSaveHistory( std::vector<std::string> &vArgs )
{
    if( vArgs.size() != 0 ) {
 
        theConsole.SaveHistory( vArgs[0] );
 
    }
    else {
 
 
        theConsole.SaveHistory();
 
    }
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleLoadHistory( std::vector<std::string> &vArgs )
{
    if( vArgs.size() != 0 ) {
        theConsole.LoadHistory( vArgs[0] );
    }
    else {
        theConsole.LoadHistory();
    }
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleClearHistory( std::vector<std::string> &vArgs )
{
	theConsole.ClearHistory();
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleStartScript( std::vector<std::string> &vArgs )
{
    theConsole.StartScript();
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleStopScript( std::vector<std::string> &vArgs )
{
    theConsole.StopScript();
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleShowScript( std::vector<std::string> &vArgs )
{
    theConsole.ShowScript();
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleRunScript( std::vector<std::string> &vArgs )
{
    theConsole.RunScript();
    return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleSaveScript( std::vector<std::string> &vArgs )
{
    if( vArgs.size() != 0 ) {
        theConsole.SaveScript( vArgs[0] );
    }
    else {
        theConsole.SaveScript();
    }
	return "";
}
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleLaunchScript( std::vector<std::string> &vArgs )
{
    if( vArgs.size() != 0 ) {
        theConsole.LaunchScript( vArgs[0] );
    } 
    else {
        theConsole.LaunchScript();
    }
	return "";
}
 
 
////////////////////////////////////////////////////////////////////////////////
/**
 */
char* ConsoleLoad( std::vector<std::string> &vArgs )
{
    std::string sFile = "cvars.xml";
    std::vector< std::string > vAcceptedSubstrings;
    
    if( vArgs.size() > 0 ) {
        sFile = vArgs[0]; 
        for( size_t i=1; i<vArgs.size(); i++ ) {
            vAcceptedSubstrings.push_back( vArgs[i] );
        }
    }
    theConsole.Printf("Loading file from \"%s\".", sFile.c_str() );
    if( !CVarUtils::Load( sFile, vAcceptedSubstrings) ) {
        theConsole.Printf( "Error loading file.\n" );
    }
    return "";
}
 
 
char* console_refine_edges(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: refine.split_edges <length>");
		theConsole.Printf("splits edges longer than <length>; default is 0.5 times average length");
		return "";
	}
	
	float thresh = 0.5;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> thresh;
	}
	float avg_length = average_edge_length(active_mesh());
	refine_edges(active_mesh(), thresh * avg_length);
	return "";
	
}
 
char* console_refine_faces(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: refine.split_faces ");
		theConsole.Printf("usage:  Takes no arguments. Inserts a vertex at the centre of each face.");
		return "";
	}
	
	safe_triangulate(active_mesh());
	return "";
	
}
 
char* console_cc_subdivide(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: refine.catmull_clark ");
		theConsole.Printf("Splits each polygon into four (Catmull Clark style)");
		return "";
	}
	cc_split(active_mesh(),active_mesh());
	return "";
}
 
char* console_dual(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: dual ");
		theConsole.Printf("Produces the dual by converting each face to a vertex placed at the barycenter.");
		return "";
	}
	
	Manifold& m = active_mesh();
	
	// make sure every face knows its number
	m.enumerate_faces();
	
	vector<Vec3f> vertices(m.no_faces());
	vector<int> faces;
	vector<int> indices;
	
	// Create new vertices. Each face becomes a vertex whose position
	// is the centre of the face
	int i=0;
	for(FaceIter f=m.faces_begin(); f!=m.faces_end(); ++f,++i)
		vertices[i] = centre(f);
	
	// Create new faces. Each vertex is a new face with N=valency of vertex
	// edges.
	i=0;
	for(VertexIter v=m.vertices_begin(); v!= m.vertices_end(); ++v,++i)
		if(!is_boundary(v))
		{
			VertexCirculator vc(v);
			vector<int> index_tmp;
			for(; !vc.end(); ++vc)
				index_tmp.push_back(vc.get_face()->touched);
			
			// Push vertex indices for this face onto indices vector.
			// The circulator moves around the face in a clockwise fashion
			// so we just reverse the ordering.
			indices.insert(indices.end(), index_tmp.rbegin(), index_tmp.rend());
			
			// Insert face valency in the face vector.
			faces.push_back(vc.no_steps());
		}
	
	// Clear the manifold before new geometry is inserted.
	m.clear();
	
	// And build
	build_manifold(m, vertices.size(), &vertices[0], faces.size(),
				   &faces[0],&indices[0]);
	
	return "";
}
 
 
char* console_minimize_curvature(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: optimize.minimize_curvature <anneal>");
		theConsole.Printf("Flip edges to minimize mean curvature.");
		theConsole.Printf("If anneal is true, simulated annealing (slow) is used rather than a greedy scheme");
		return "";
	}
	bool anneal=false;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> anneal;
	}
	
	minimize_curvature(active_mesh(), anneal);
	avo().post_create_display_list();
	return "";
}
 
char* console_minimize_dihedral(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: optimize.minimize_dihedral <iter> <anneal> <use_alpha> <gamma> ");
		theConsole.Printf("Flip edges to minimize dihedral angles.");
		theConsole.Printf("Iter is the max number of iterations. anneal tells us whether to use ");
		theConsole.Printf("simulated annealing and not greedy optimization. use_alpha (default=true) ");
		theConsole.Printf("means to use angle and not cosine of anglegamma (default=4) is the power ");
		theConsole.Printf("to which we raise the dihedral angle");
		return "";
	}
	int iter = 1000;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> iter;
	}
	
	bool anneal = false;
	if(args.size()>1)
	{
		istringstream a0(args[0]);
		a0 >> anneal;
	}
	
	bool use_alpha = true;
	if(args.size()>2)
	{
		istringstream a0(args[0]);
		a0 >> use_alpha;
	}
	
	float gamma = 4.0;
	if(args.size()>3)
	{
		istringstream a0(args[0]);
		a0 >> gamma;
	}
	
	
	minimize_dihedral_angle(active_mesh(), iter, anneal, use_alpha, gamma);
	return "";
}
 
char* console_maximize_min_angle(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: optimize.maximize_min_angle <thresh> <anneal>");
		theConsole.Printf("Flip edges to maximize min angle - to make mesh more Delaunay.");
		theConsole.Printf("If the dot product of the normals between adjacent faces < thresh");
		theConsole.Printf("no flip will be made. anneal selects simulated annealing rather ");
		theConsole.Printf("nthan greedy optimization.");
		return "";
	}
	float thresh=0.0;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> thresh;
	}
	bool anneal=false;
	if(args.size()>1)
	{
		istringstream a0(args[0]);
		a0 >> anneal;
	}
	maximize_min_angle(active_mesh(),thresh,anneal);
	return "";
}
 
 
char* console_optimize_valency(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: optimize.valency <anneal> ");
		theConsole.Printf("Optimizes valency for triangle meshes. Anneal selects simulated annealing rather than greedy optim.");
		return "";
	}
	bool anneal=false;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> anneal;
	}
	optimize_valency(active_mesh(), anneal);
	return "";
}
 
char* console_analyze(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  harmonics.analyze");
		theConsole.Printf("Creates the Laplace Beltrami operator for the mesh and finds all eigensolutions.");
		theConsole.Printf("It also projects the vertices onto the eigenvectors - thus transforming the mesh");
		theConsole.Printf("to this basis.");
		theConsole.Printf("Note that this will stall the computer for a large mesh - as long as we use Lapack.");
		return "";
	}
	avo().harmonics_analyze_mesh();
	return "";
}
 
 
char* console_partial_reconstruct(std::vector<std::string> &args)
{
  if(args.size() != 3)
		theConsole.Printf("usage: haramonics.partial_reconstruct <e0> <e1> <s>");
 
  if(wantshelp(args)) 
	{
		theConsole.Printf("Reconstruct from projections onto eigenvectors. The two first arguments indicate");
		theConsole.Printf("the eigenvector interval that we reconstruct from. The last argument is the ");
		theConsole.Printf("scaling factor. Thus, for a vertex, v, the formula for computing the position, p, is:");
		theConsole.Printf("for (i=e0; i<=e1;++i) p += proj[i] * Q[i][v] * s;");
		theConsole.Printf("where proj[i] is the 3D vector containing the x, y, and z projections of the mesh onto");
		theConsole.Printf("eigenvector i. Q[i][v] is the v'th coordinate of the i'th eigenvector.");
		theConsole.Printf("Note that if vertex coordinates are not first reset, the result is probably unexpected.");
	}
 
  if(args.size() != 3)
		return "";
 
  int E0,E1;
	float scale;
	istringstream a0(args[0]);
	a0 >> E0;
	istringstream a1(args[1]);
	a1 >> E1;
	istringstream a2(args[2]);
	a2 >> scale;
	avo().harmonics_partial_reconstruct(E0,E1,scale);
	return "";
}
 
char* console_reset_shape(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: harmonics.reset_shape ");
		theConsole.Printf("Simply sets all vertices to 0,0,0. Call this before doing partial_reconstruct");
		theConsole.Printf("unless you know what you are doing.");
		return "";
	}
	avo().harmonics_reset_shape();
	return "";
}
 
 
char* console_close_holes(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: cleanup.close_holes");
		theConsole.Printf("This function closes holes. It simply follows the loop of halfvectors which");
		theConsole.Printf("enclose the hole and add a face to which they all point.");
		return "";
	}
	close_holes(active_mesh());
	return "";
}
 
char* console_reload(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  load <file>");
		theConsole.Printf("(Re)loads the current file if no argument is given, but");
		theConsole.Printf("if an argument is given, then that becomes the current file");
		return "";
	}
	if(!avo().reload(args.size()>0 ? args[0]:""))
		return "failed to load";
	return "";
}
 
 
char* console_simplify(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: simplify <fraction> ");
		theConsole.Printf("Performs Garland Heckbert (quadric based) mesh simplification.");
		theConsole.Printf("The only argument is the fraction of vertices to keep.");
		return "";
	}
	float keep_fraction;
	if(args.size()==0) return "you must specify fraction of vertices to keep";
	istringstream a0(args[0]);
	a0 >> keep_fraction;
	
	Vec3f p0, p7;
	active_mesh().get_bbox(p0, p7);
	Vec3f d = p7-p0;
	float s = 1.0/d.max_coord();
	Vec3f pcentre = (p7+p0)/2.0;
	for(VertexIter vi = active_mesh().vertices_begin(); vi != active_mesh().vertices_end(); ++vi)
		vi->pos = (vi->pos - pcentre) * s;
	quadric_simplify(active_mesh(),keep_fraction,0.0001f,true);
	for(VertexIter vi = active_mesh().vertices_begin(); vi != active_mesh().vertices_end(); ++vi)
		vi->pos = vi->pos*d.max_coord() + pcentre;
	return "";
}
 
char* console_vertex_noise(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: noise.perturb_vertices <amplitude>");
		theConsole.Printf("adds a random vector to each vertex. A random vector in the unit cube is generated and");
		theConsole.Printf("to ensure an isotropic distribution, vectors outside the unit ball are discarded.");
		theConsole.Printf("The vector is multiplied by the average edge length and then by the amplitude specified.");
		theConsole.Printf("If no amplitude is specified, the default (0.5) is used.");
		return "";
	}
	float avg_length = average_edge_length(active_mesh());
	
	float noise_amplitude = 0.5;
	if(args.size()>0) 
	{
		istringstream a0(args[0]);
		a0 >> noise_amplitude;
	}
	
	srand(0);
	for(VertexIter vi = active_mesh().vertices_begin(); vi != active_mesh().vertices_end(); ++vi)
	{
		Vec3f v;
		do {
			v = Vec3f(rand(),rand(),rand());
			v /= RAND_MAX;
		} while(sqr_length(v) > 1.0);
		v -= Vec3f(0.5);
		v *= 2.0;
		v *= noise_amplitude;
		v *= avg_length;
		vi->pos += v;
	}		
	return "";
}
 
char* console_perpendicular_vertex_noise(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: noise.perturb_vertices_perpendicular <amplitude>");
		theConsole.Printf("adds the normal times a random scalar times amplitude times");
		theConsole.Printf("times average edge length to the vertex. (default amplitude=0.5)");
		return "";
	}
	float avg_length = average_edge_length(active_mesh());
	
	float noise_amplitude = 0.5;
	if(args.size()>0) 
	{
		istringstream a0(args[0]);
		a0 >> noise_amplitude;
	}
	
	vector<Vec3f> normals(active_mesh().no_vertices());
	int i=0;
	for(VertexIter vi = active_mesh().vertices_begin(); vi != active_mesh().vertices_end(); ++vi,++i)
		normals[i] = normal(vi);
	i=0;
	srandom(0);
	for(VertexIter vi = active_mesh().vertices_begin(); vi != active_mesh().vertices_end(); ++vi,++i)
	{
		float rval = 0.5-random()/float(RAND_MAX);
		vi->pos += normals[i]*rval*noise_amplitude*avg_length*2.0;
	}
	return "";
}
 
char* console_noisy_flips(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  noise.perturb_topology <iter>");
		theConsole.Printf("Perform random flips. iter (default=1) is the number of iterations.");
		theConsole.Printf("mostly for making nasty synthetic test cases.");
		return "";
	}
	int iter=1;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> iter;
	}
	
	randomize_mesh(active_mesh(),  iter);
	return "";
}
 
char* console_laplacian_smooth(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  smooth.laplacian <weight> <iter>");
		theConsole.Printf("Perform Laplacian smoothing. weight is the scaling factor for the Laplacian.");
		theConsole.Printf("default weight = 1.0. Default number of iterations = 1");
		return "";
	}
	float t=1.0;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> t;
	}
	int iter=1;
	if(args.size()>1)
	{
		istringstream a0(args[1]);
		a0 >> iter;
	}
	
	/// Simple laplacian smoothing with an optional weight.
	for(int i=0;i<iter;++i) laplacian_smooth(active_mesh(), t);
	return "";
}
 
char* console_mean_curvature_smooth(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  smooth.mean_curvature <weight> <iter>");
		theConsole.Printf("Perform mean curvature smoothing. weight is the scaling factor for the");
		theConsole.Printf("mean curvature vector which has been normalized by dividing by edge lengths");
		theConsole.Printf("this allows for larger steps as suggested by Desbrun et al.");
		theConsole.Printf("default weight = 1.0. Default number of iterations = 1");
		return "";
	}
	float t=1.0;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> t;
	}
	int iter=1;
	if(args.size()>1)
	{
		istringstream a0(args[1]);
		a0 >> iter;
	}	
	vector<Vec3d> new_pos(active_mesh().no_vertices());
	for(int j=0;j<iter;++j)
	{
		int i=0;
		for(VertexIter v = active_mesh().vertices_begin(); v != active_mesh().vertices_end(); ++v,++i) {
			Vec3d m;
			double w_sum;
			unnormalized_mean_curvature_normal(v, m, w_sum);
			new_pos[i] = Vec3d(v->pos)  - (t * m/w_sum);
		}
		i=0;
		for(VertexIter v = active_mesh().vertices_begin(); v != active_mesh().vertices_end(); ++v,++i)
			v->pos = Vec3f(new_pos[i]);
	}
	return "";
}
 
 
char* console_taubin_smooth(std::vector<std::string> &args)
{
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  smooth.taubin <iter>");
		theConsole.Printf("Perform Taubin smoothing. iter (default=1) is the number of iterations.");
		return "";
	}
	int iter=1;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> iter;
	}
	
	/// Taubin smoothing is similar to laplacian smoothing but reduces shrinkage
	taubin_smooth(active_mesh(),  iter);
	return "";
}
 
char* console_fvm_smooth(std::vector<std::string> &args)
{	
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: smooth.fuzzy_vector_median <iter>");
		theConsole.Printf("Smooth normals using fuzzy vector median smoothing. iter (default=1) is the number of iterations");
		theConsole.Printf("This function does a very good job of preserving sharp edges.");
		return "";
	}
	int iter=1;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> iter;
	}
	/** Fuzzy vector median smoothing is effective when it comes to
	 preserving sharp edges. */
	fvm_smooth(active_mesh(),  iter);
	return "";
	
}
 
char* console_triangulate(std::vector<std::string> &args)
{	
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  triangulate");
		theConsole.Printf("This function triangulates all non triangular faces of the mesh.");
		theConsole.Printf("you may want to call it after hole closing. For a polygon it simply connects");
		theConsole.Printf("the two closest vertices in a recursive manner until only triangles remain");
		return "";
	}
	shortest_edge_triangulate(active_mesh());
	return "";
}
 
 
char* console_remove_caps(std::vector<std::string> &args)
{	
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage:  cleanup.remove_caps thresh");
		theConsole.Printf("Remove caps (triangles with one very big angle). The thresh argument is the fraction of PI to");
		theConsole.Printf("use as threshold for big angle. Default is 0.85. Caps are removed by flipping.");
		return "";
	}
	float t=0.85;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> t;
	}
	
	remove_caps_from_trimesh(active_mesh(), static_cast<float>(M_PI) *t);
	return "";
}
 
char* console_remove_needles(std::vector<std::string> &args)
{	
	if(wantshelp(args)) 
	{
		theConsole.Printf("usage: cleanup.remove_needles <thresh>");
		theConsole.Printf("Removes very short edges by collapse. thresh is multiplied by the average edge length");
		theConsole.Printf("to get the length shorter than which we collapse. Default = 0.1");
		return "";
	}
	float thresh = 0.1;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> thresh;
	}
	float avg_length = average_edge_length(active_mesh());
	remove_needles_from_trimesh(active_mesh(), thresh * avg_length);
	return "";
}
 
void reshape(int W, int H)
{
	active_view_control().reshape(W,H);
}
 
void display() 
{
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	
	static string& display_render_mode = CreateCVar<string>("display.render_mode","");
	static int& display_smooth= CreateCVar<int>("display.smooth_shading",1);
	
	glPushMatrix();
	
	avo().display(display_render_mode, display_smooth);
	
	glPopMatrix();
	
	glUseProgram(0);
	theConsole.RenderConsole();
	
	glutSwapBuffers();
}
 
void animate() 
{	
	//usleep( (int)1e4 );
	active_view_control().try_spin();
	glutPostRedisplay();
}
 
 
void mouse(int button, int state, int x, int y) 
{
	Vec2i pos(x,y);
	if (state==GLUT_DOWN) 
	{
		if (button==GLUT_LEFT_BUTTON) 
			active_view_control().grab_ball(ROTATE_ACTION,pos);
		else if (button==GLUT_MIDDLE_BUTTON) 
			active_view_control().grab_ball(ZOOM_ACTION,pos);
		else if (button==GLUT_RIGHT_BUTTON) 
			active_view_control().grab_ball(PAN_ACTION,pos);
	}
	else if (state==GLUT_UP)
		active_view_control().release_ball();
}
 
void motion(int x, int y) {
	Vec2i pos(x,y);
	active_view_control().roll_ball(Vec2i(x,y));
}
 
void keyboard_spec(int key, int x, int y)
{
	int mod = glutGetModifiers();
	if( theConsole.IsOpen() ) {
		// If shift held, scroll the console
		if( mod == GLUT_ACTIVE_SHIFT ) {
			switch (key){
				case GLUT_KEY_UP:
					theConsole.ScrollDownLine();
					break;
				case GLUT_KEY_DOWN: 
					theConsole.ScrollUpLine();
					break;
			}
		} else {
			theConsole.StandardKeyBindings( key );
		}
	}
}
 
 
void keyboard(unsigned char key, int x, int y) 
{	
	if(theConsole.IsOpen())
	{
		switch(key) {
			case '\033': 
				theConsole.ToggleConsole();
			default:
				theConsole.EnterCommandCharacter(key);
			break;
		}
		if(key == 13)	avo().post_create_display_list();
		
	}	
	else {
		string& display_render_mode = GetCVarRef<string>("display.render_mode");
		int& display_smooth = GetCVarRef<int>("display.smooth_shading");
		int& active  = GetCVarRef<int>("active_mesh");
		
		
		switch(key) {
			case 'q': exit(0);
			case '\033':
				theConsole.ToggleConsole();
				break;
			case '1':
			case '2':
			case '3':
			case '4':
			case '5':
			case '6':
			case '7':
			case '8':
			case '9':
				active = key - '1'; break;
			case 'f': display_smooth = !display_smooth; break;
			case 'w':
				display_render_mode = "wire"; break;
			case 'n':
				display_render_mode = "normal"; break;
			case 'i':
				display_render_mode = "isophotes"; break;
			case 'r':
				display_render_mode = "reflection"; break;
			case 'h':
				display_render_mode = "harmonics"; break;
			case 't':
				display_render_mode = "toon"; break;
			case 'g':
				display_render_mode = "glazed"; break;
			case 'a':
				display_render_mode = "ambient_occlusion"; break;
			case 'c':
				display_render_mode = "copper"; break;
			case 'C':
				display_render_mode = "curvature_lines"; break;
			case 'M':
				display_render_mode = "mean_curvature"; break;
			case 'G':
				display_render_mode = "gaussian_curvature"; break;
		}
		
		if(display_render_mode.substr(0,4) == "harm")
			avo().harmonics_parse_key(key);
		
		if(key != '\033') avo().post_create_display_list();		
	}
}
 
void init_glut(int argc, char** argv)
{
	glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE|GLUT_DEPTH|GLUT_ALPHA);
	glutInitWindowSize(WINX, WINY);
	glutInit(&argc, argv);
	glutCreateWindow("Shape Harmonics");
	glutDisplayFunc(display);
	glutKeyboardFunc(keyboard);
	glutSpecialFunc(keyboard_spec);
	glutReshapeFunc(reshape);
	glutMouseFunc(mouse);
	glutMotionFunc(motion);
	glutIdleFunc(animate);
}
 
void init_gl()
{
	glewInit();
	glEnable(GL_LIGHTING);
	glEnable(GL_LIGHT0);
	glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
	
	// Set the value of a uniform
	//glUniform2f(glGetUniformLocation(prog_P0,"WIN_SCALE"), win_size_x/2.0, win_size_y/2.0);
	
	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
	glClearColor(0.50f, 0.50f, 0.50f, 0.f);
	glColor4f(1.0f, 1.0f, 1.0f, 0.f);
	float material[4] = {1,1,1,1};
	glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, material);
	glEnable(GL_DEPTH_TEST);
	
	CreateCVar( "help", ConsoleHelp );
	CreateCVar("harmonics.reset_shape", console_reset_shape);
	CreateCVar("harmonics.analyze", console_analyze);
	CreateCVar("harmonics.partial_reconstruct", console_partial_reconstruct);
	CreateCVar("simplify", console_simplify);
	CreateCVar("smooth.mean_curvature", console_mean_curvature_smooth);
	CreateCVar("smooth.laplacian", console_laplacian_smooth);
	CreateCVar("smooth.taubin", console_taubin_smooth);
	CreateCVar("smooth.fuzzy_vector_median", console_fvm_smooth);
	
	CreateCVar("optimize.valency", console_optimize_valency);
	CreateCVar("optimize.minimize_dihedral_angles", console_minimize_dihedral);
	CreateCVar("optimize.minimize_curvature", console_minimize_curvature);
	CreateCVar("optimize.maximize_min_angle", console_maximize_min_angle);
	CreateCVar("cleanup.close_holes", console_close_holes);
	CreateCVar("load", console_reload);
	
	CreateCVar("cleanup.remove_caps", console_remove_caps);
	CreateCVar("cleanup.remove_needles", console_remove_needles);
	CreateCVar("triangulate", console_triangulate);
	CreateCVar("refine.split_edges", console_refine_edges);
	CreateCVar("refine.split_faces", console_refine_faces);
	CreateCVar("refine.catmull_clark", console_cc_subdivide);
	CreateCVar("save", console_save);
	CreateCVar("noise.perturb_vertices", console_vertex_noise);
	CreateCVar("noise.perturb_vertices_perpendicular", console_perpendicular_vertex_noise);
	CreateCVar("noise.perturb_topology", console_noisy_flips);
	
	CreateCVar("dual", console_dual);
	
	CreateCVar("align", console_align);
	
	CVarUtils::CreateCVar( "history.load", ConsoleLoadHistory );
    CVarUtils::CreateCVar( "history.save", ConsoleSaveHistory );
    CVarUtils::CreateCVar( "history.clear", ConsoleClearHistory );
	
    CVarUtils::CreateCVar( "script.start", ConsoleStartScript );
    CVarUtils::CreateCVar( "script.stop", ConsoleStopScript );
    CVarUtils::CreateCVar( "script.show", ConsoleShowScript );
    CVarUtils::CreateCVar( "script.run", ConsoleRunScript );
    CVarUtils::CreateCVar( "script.save", ConsoleSaveScript );
    CVarUtils::CreateCVar( "script.launch", ConsoleLaunchScript );
	
	
}
 
int main(int argc, char** argv)
{
	ArgExtracter ae(argc, argv);
	
	init_glut(argc,argv);
	init_gl();
	
	Harmonics::init();
	
	if(argc>1)
	{		
		string file = ae.get_last_arg();
		avo().reload(file);
	}
	
	
	glutMainLoop();
}
 
 
 

Rev 412	Rev 415
1	`/*`	1	`/*`
2	`* MeshEdit is a small application which allows you to load and edit a mesh.`	2	`* MeshEdit is a small application which allows you to load and edit a mesh.`
3	`* The mesh will be stored in GEL's half edge based Manifold data structure.`	3	`* The mesh will be stored in GEL's half edge based Manifold data structure.`
4	`* A number of editing operations are supported. Most of these are accessible from the`	4	`* A number of editing operations are supported. Most of these are accessible from the`
5	`* console that pops up when you hit 'esc'.`	5	`* console that pops up when you hit 'esc'.`
6	`*`	6	`*`
7	`* Created by J. Andreas Bærentzen on 15/08/08.`	7	`* Created by J. Andreas Bærentzen on 15/08/08.`
8	`* Copyright 2008 __MyCompanyName__. All rights reserved.`	8	`* Copyright 2008 __MyCompanyName__. All rights reserved.`
9	`*`	9	`*`
10	`*/`	10	`*/`
11		11
12	`#include <string>`	12	`#include <string>`
13	`#include <iostream>`	13	`#include <iostream>`
14	`#include <CGLA/eigensolution.h>`	14	`#include <CGLA/eigensolution.h>`
15	`#include <CGLA/Vec2d.h>`	15	`#include <CGLA/Vec2d.h>`
16	`#include <CGLA/Vec3d.h>`	16	`#include <CGLA/Vec3d.h>`
17	`#include <CGLA/Mat3x3d.h>`	17	`#include <CGLA/Mat3x3d.h>`
18	`#include <CGLA/Mat2x2d.h>`	18	`#include <CGLA/Mat2x2d.h>`
19	`#include <CGLA/Mat2x3d.h>`	19	`#include <CGLA/Mat2x3d.h>`
20		20
21	`#include <LinAlg/Matrix.h>`	21	`#include <LinAlg/Matrix.h>`
22	`#include <LinAlg/Vector.h>`	22	`#include <LinAlg/Vector.h>`
23	`#include <LinAlg/LapackFunc.h>`	23	`#include <LinAlg/LapackFunc.h>`
24		24
25	`#include <Util/Timer.h>`	25	`#include <Util/Timer.h>`
26	`#include <Util/ArgExtracter.h>`	26	`#include <Util/ArgExtracter.h>`
27		27
28	`#include <GL/glew.h>`	28	`#include <GL/glew.h>`
29	`#include <GLGraphics/gel_glut.h>`	29	`#include <GLGraphics/gel_glut.h>`
30		30
31	`#include <HMesh/Manifold.h>`	31	`#include <HMesh/Manifold.h>`
32	`#include <HMesh/VertexCirculator.h>`	32	`#include <HMesh/VertexCirculator.h>`
33	`#include <HMesh/FaceCirculator.h>`	33	`#include <HMesh/FaceCirculator.h>`
34	`#include <HMesh/build_manifold.h>`	34	`#include <HMesh/build_manifold.h>`
35	`#include <HMesh/mesh_optimization.h>`	35	`#include <HMesh/mesh_optimization.h>`
36	`#include <HMesh/triangulate.h>`	36	`#include <HMesh/triangulate.h>`
37	`#include <HMesh/load.h>`	37	`#include <HMesh/load.h>`
38	`#include <HMesh/quadric_simplify.h>`	38	`#include <HMesh/quadric_simplify.h>`
39	`#include <HMesh/smooth.h>`	39	`#include <HMesh/smooth.h>`
40	`#include <HMesh/x3d_save.h>`	40	`#include <HMesh/x3d_save.h>`
41	`#include <HMesh/obj_save.h>`	41	`#include <HMesh/obj_save.h>`
42	`#include <HMesh/mesh_optimization.h>`	42	`#include <HMesh/mesh_optimization.h>`
43	`#include <HMesh/triangulate.h>`	43	`#include <HMesh/triangulate.h>`
44	`#include <HMesh/close_holes.h>`	44	`#include <HMesh/close_holes.h>`
45	`#include <HMesh/caps_and_needles.h>`	45	`#include <HMesh/caps_and_needles.h>`
46	`#include <HMesh/refine_edges.h>`	46	`#include <HMesh/refine_edges.h>`
47	`#include <HMesh/subdivision.h>`	47	`#include <HMesh/subdivision.h>`
48		48
49	`#include <GLConsole/GLConsole.h>`	49	`#include <GLConsole/GLConsole.h>`
50	`#include <Util/Timer.h>`	50	`#include <Util/Timer.h>`
51	`#include "harmonics.h"`	51	`#include "harmonics.h"`
52	`#include "curvature.h"`	52	`#include "curvature.h"`
53	`#include "Renderer.h"`	53	`#include "Renderer.h"`
54	`#include "VisObj.h"`	54	`#include "VisObj.h"`
55		55
56	`using namespace std;`	56	`using namespace std;`
57	`using namespace HMesh;`	57	`using namespace HMesh;`
58	`using namespace Geometry;`	58	`using namespace Geometry;`
59	`using namespace GLGraphics;`	59	`using namespace GLGraphics;`
60	`using namespace CGLA;`	60	`using namespace CGLA;`
61	`using namespace Util;`	61	`using namespace Util;`
62	`using namespace LinAlg;`	62	`using namespace LinAlg;`
63	`using namespace CVarUtils;`	63	`using namespace CVarUtils;`
64		64
65	`inline VisObj& get_vis_obj(int i)`	65	`inline VisObj& get_vis_obj(int i)`
66	`{`	66	`{`
67	`static VisObj vo[9];`	67	`static VisObj vo[9];`
68	`return vo[i];`	68	`return vo[i];`
69	`}`	69	`}`
70		70
71	`inline VisObj& avo()`	71	`inline VisObj& avo()`
72	`{`	72	`{`
73	`static int& active = CreateCVar("active_mesh",0);`	73	`static int& active = CreateCVar("active_mesh",0);`
74	`return get_vis_obj(active);`	74	`return get_vis_obj(active);`
75	`}`	75	`}`
76		76
77	`inline Manifold& active_mesh()`	77	`inline Manifold& active_mesh()`
78	`{`	78	`{`
79	`return avo().mesh();`	79	`return avo().mesh();`
80	`}`	80	`}`
81		81
82	`inline GLViewController& active_view_control()`	82	`inline GLViewController& active_view_control()`
83	`{`	83	`{`
84	`return avo().view_control();`	84	`return avo().view_control();`
85	`}`	85	`}`
86		86
87	`// Single global instance so glut can get access`	87	`// Single global instance so glut can get access`
88	`Trie CVarTrie;`	88	`Trie CVarTrie;`
89	`GLConsole theConsole;`	89	`GLConsole theConsole;`
90		90
91	`////////////////////////////////////////////////////////////////////////////////`	91	`////////////////////////////////////////////////////////////////////////////////`
92	`char* ConsoleHelp(std::vector<std::string> &args)`	92	`char* ConsoleHelp(std::vector<std::string> &args)`
93	`{`	93	`{`
94	`theConsole.Printf("");`	94	`theConsole.Printf("");`
95	`theConsole.Printf("----------------- HELP -----------------");`	95	`theConsole.Printf("----------------- HELP -----------------");`
96	`theConsole.Printf("Press ESC key to open and close console");`	96	`theConsole.Printf("Press ESC key to open and close console");`
97	`theConsole.Printf("Press TAB to see the available commands and functions");`	97	`theConsole.Printf("Press TAB to see the available commands and functions");`
98	`theConsole.Printf("Functions are shown in green and variables in yellow");`	98	`theConsole.Printf("Functions are shown in green and variables in yellow");`
99	`theConsole.Printf("Setting a value: [command] = value");`	99	`theConsole.Printf("Setting a value: [command] = value");`
100	`theConsole.Printf("Getting a value: [command]");`	100	`theConsole.Printf("Getting a value: [command]");`
101	`theConsole.Printf("Functions: [function] [arg1] [arg2] ...");`	101	`theConsole.Printf("Functions: [function] [arg1] [arg2] ...");`
102	`theConsole.Printf("Entering arg1=? or arg1=help will give a description.");`	102	`theConsole.Printf("Entering arg1=? or arg1=help will give a description.");`
103	`theConsole.Printf("History: Up and Down arrow keys move through history.");`	103	`theConsole.Printf("History: Up and Down arrow keys move through history.");`
104	`theConsole.Printf("Tab Completion: TAB does tab completion and makes suggestions.");`	104	`theConsole.Printf("Tab Completion: TAB does tab completion and makes suggestions.");`
105	`theConsole.Printf("");`	105	`theConsole.Printf("");`
106	`theConsole.Printf("Keyboard commands (when console is not active):");`	106	`theConsole.Printf("Keyboard commands (when console is not active):");`
107	`theConsole.Printf("w : switch to display.render_mode = wireframe");`	107	`theConsole.Printf("w : switch to display.render_mode = wireframe");`
108	`theConsole.Printf("i : switch to display.render_mode = isophotes");`	108	`theConsole.Printf("i : switch to display.render_mode = isophotes");`
109	`theConsole.Printf("r : switch to display.render_mode = reflection");`	109	`theConsole.Printf("r : switch to display.render_mode = reflection");`
110	`theConsole.Printf("m : switch to display.render_mode = metallic");`	110	`theConsole.Printf("m : switch to display.render_mode = metallic");`
111	`theConsole.Printf("g : switch to display.render_mode = glazed");`	111	`theConsole.Printf("g : switch to display.render_mode = glazed");`
112	`theConsole.Printf("n : switch to display.render_mode = normal");`	112	`theConsole.Printf("n : switch to display.render_mode = normal");`
113	`theConsole.Printf("h : switch to display.render_mode = harmonics");`	113	`theConsole.Printf("h : switch to display.render_mode = harmonics");`
114	`theConsole.Printf("f : toggle smooth/flat shading");`	114	`theConsole.Printf("f : toggle smooth/flat shading");`
115	`theConsole.Printf("1-9 : switch between active meshes.");`	115	`theConsole.Printf("1-9 : switch between active meshes.");`
116	`theConsole.Printf("d : (display.render_mode = harmonics) diffuse light on and off");`	116	`theConsole.Printf("d : (display.render_mode = harmonics) diffuse light on and off");`
117	`theConsole.Printf("h : (display.render_mode = harmonics) highlight on and off ");`	117	`theConsole.Printf("h : (display.render_mode = harmonics) highlight on and off ");`
118	`theConsole.Printf("+/- : (display.render_mode = harmonics) which eigenvector to show");`	118	`theConsole.Printf("+/- : (display.render_mode = harmonics) which eigenvector to show");`
119	`theConsole.Printf("q : quit program");`	119	`theConsole.Printf("q : quit program");`
120	`theConsole.Printf("ESC : open console");`	120	`theConsole.Printf("ESC : open console");`
121	`theConsole.Printf("");`	121	`theConsole.Printf("");`
122	`theConsole.Printf("Mouse: Left button rotates, middle zooms, right pans");`	122	`theConsole.Printf("Mouse: Left button rotates, middle zooms, right pans");`
123	`theConsole.Printf("----------------- HELP -----------------");`	123	`theConsole.Printf("----------------- HELP -----------------");`
124	`theConsole.Printf("");`	124	`theConsole.Printf("");`
125	`return "";`	125	`return "";`
126	`}`	126	`}`
127		127
128	`bool wantshelp(std::vector<std::string> &args)`	128	`bool wantshelp(std::vector<std::string> &args)`
129	`{`	129	`{`
130	`if(args.size()==0) return false;`	130	`if(args.size()==0) return false;`
131	`string str = args[0];`	131	`string str = args[0];`
132	`if(str=="help" \|\| str=="HELP" \|\| str=="Help" \|\| str=="?") return true;`	132	`if(str=="help" \|\| str=="HELP" \|\| str=="Help" \|\| str=="?") return true;`
133	`return false;`	133	`return false;`
134	`}`	134	`}`
135		135
136	`/// Function that aligns two meshes.`	136	`/// Function that aligns two meshes.`
137	`char* console_align(std::vector<std::string> &args)`	137	`char* console_align(std::vector<std::string> &args)`
138	`{`	138	`{`
139	`if(wantshelp(args))`	139	`if(wantshelp(args))`
140	`{`	140	`{`
141	`theConsole.Printf("usage: align <dest> <src>");`	141	`theConsole.Printf("usage: align <dest> <src>");`
142	`theConsole.Printf("This function aligns dest mesh with src");`	142	`theConsole.Printf("This function aligns dest mesh with src");`
143	`theConsole.Printf("In practice the GLViewController of src is copied to dst.");`	143	`theConsole.Printf("In practice the GLViewController of src is copied to dst.");`
144	`theConsole.Printf("both arguments are mandatory and must be numbers between 1 and 9.");`	144	`theConsole.Printf("both arguments are mandatory and must be numbers between 1 and 9.");`
145	`theConsole.Printf("Note that results might be unexpexted if the meshes are not on the same scale");`	145	`theConsole.Printf("Note that results might be unexpexted if the meshes are not on the same scale");`
146	`return "";`	146	`return "";`
147	`}`	147	`}`
148		148
149	`int dest = 0;`	149	`int dest = 0;`
150	`if(args.size()>0)`	150	`if(args.size()>0)`
151	`{`	151	`{`
152	`istringstream a0(args[0]);`	152	`istringstream a0(args[0]);`
153	`a0 >> dest;`	153	`a0 >> dest;`
154	`--dest;`	154	`--dest;`
155	`if(dest <0 \|\| dest>8) return "dest mesh out of range (1-9)";`	155	`if(dest <0 \|\| dest>8) return "dest mesh out of range (1-9)";`
156	`}`	156	`}`
157	`else return "neither source nor destination mesh?!";`	157	`else return "neither source nor destination mesh?!";`
158	`int src = 0;`	158	`int src = 0;`
159	`if(args.size()>1)`	159	`if(args.size()>1)`
160	`{`	160	`{`
161	`istringstream a1(args[1]);`	161	`istringstream a1(args[1]);`
162	`a1 >> src;`	162	`a1 >> src;`
163	`--src;`	163	`--src;`
164	`if(src <0 \|\| src>8) return "src mesh out of range (1-9)";`	164	`if(src <0 \|\| src>8) return "src mesh out of range (1-9)";`
165	`}`	165	`}`
166	`else return "no src mesh?";`	166	`else return "no src mesh?";`
167		167
168	`get_vis_obj(dest).view_control() = get_vis_obj(src).view_control();`	168	`get_vis_obj(dest).view_control() = get_vis_obj(src).view_control();`
169		169
170	`return "";`	170	`return "";`
171	`}`	171	`}`
172		172
173		173
174	`char* console_save(std::vector<std::string> &args)`	174	`char* console_save(std::vector<std::string> &args)`
175	`{`	175	`{`
176	`if(wantshelp(args))`	176	`if(wantshelp(args))`
177	`{`	177	`{`
178	`theConsole.Printf("usage: save <name.x3d\|name.obj> ");`	178	`theConsole.Printf("usage: save <name.x3d\|name.obj> ");`
179	`return "";`	179	`return "";`
180	`}`	180	`}`
181	`string& file_name = args[0];`	181	`string& file_name = args[0];`
182	`if(args.size() == 1)`	182	`if(args.size() == 1)`
183	`{`	183	`{`
184	`if(file_name.substr(file_name.length()-4,file_name.length())==".obj")`	184	`if(file_name.substr(file_name.length()-4,file_name.length())==".obj")`
185	`{`	185	`{`
186	`obj_save(file_name, active_mesh());`	186	`obj_save(file_name, active_mesh());`
187	`return "";`	187	`return "";`
188	`}`	188	`}`
189	`else if(file_name.substr(file_name.length()-4,file_name.length())==".x3d")`	189	`else if(file_name.substr(file_name.length()-4,file_name.length())==".x3d")`
190	`{`	190	`{`
191	`x3d_save(file_name, active_mesh());`	191	`x3d_save(file_name, active_mesh());`
192	`return "";`	192	`return "";`
193	`}`	193	`}`
194	`return "unknown format";`	194	`return "unknown format";`
195	`}`	195	`}`
196	`return "usage: save <name.x3d\|name.obj> ";`	196	`return "usage: save <name.x3d\|name.obj> ";`
197	`}`	197	`}`
198		198
-		199	`////////////////////////////////////////////////////////////////////////////////`
-		200	`/**`
-		201	`*/`
199	`char* console_save_history(std::vector<std::string> &args)`	202	`char* ConsoleSaveHistory( std::vector<std::string> &vArgs )`
200	`{`	203	`{`
201	`if(wantshelp(args))`	204	`if( vArgs.size() != 0 ) {`
202	`{`	-
203	`theConsole.Printf("usage: save_history <file> ... writes history to file");`	205	`theConsole.SaveHistory( vArgs[0] );`
204	`return "";`	-
205	`}`	206	`}`
206	`if(args.size()>0)`	207	`else {`
207	`{`	-
208	`string& file_name = args[0];`	-
209	`theConsole.SaveHistoryScript(file_name.c_str());`	208	`theConsole.SaveHistory();`
210	`return "";`	-
211	`}`	209	`}`
212	`return "must supply file name\n";`	210	`return "";`
213	`}`	211	`}`
214		212
-		213	`////////////////////////////////////////////////////////////////////////////////`
-		214	`/**`
-		215	`*/`
215	`char* console_exec_script(std::vector<std::string> &args)`	216	`char* ConsoleLoadHistory( std::vector<std::string> &vArgs )`
216	`{`	217	`{`
-		218	`if( vArgs.size() != 0 ) {`
-		219	`theConsole.LoadHistory( vArgs[0] );`
-		220	`}`
-		221	`else {`
-		222	`theConsole.LoadHistory();`
-		223	`}`
-		224	`return "";`
-		225	`}`
-		226
-		227	`////////////////////////////////////////////////////////////////////////////////`
-		228	`/**`
-		229	`*/`
-		230	`char* ConsoleClearHistory( std::vector<std::string> &vArgs )`
-		231	`{`
217	`if(wantshelp(args))`	232	`theConsole.ClearHistory();`
-		233	`return "";`
-		234	`}`
-		235
-		236	`////////////////////////////////////////////////////////////////////////////////`
-		237	`/**`
-		238	`*/`
-		239	`char* ConsoleStartScript( std::vector<std::string> &vArgs )`
-		240	`{`
-		241	`theConsole.StartScript();`
-		242	`return "";`
-		243	`}`
-		244
-		245	`////////////////////////////////////////////////////////////////////////////////`
-		246	`/**`
-		247	`*/`
-		248	`char* ConsoleStopScript( std::vector<std::string> &vArgs )`
218	`{`	249	`{`
-		250	`theConsole.StopScript();`
-		251	`return "";`
-		252	`}`
-		253
-		254	`////////////////////////////////////////////////////////////////////////////////`
-		255	`/**`
-		256	`*/`
219	`theConsole.Printf("usage: source <file> ... runs script");`	257	`char* ConsoleShowScript( std::vector<std::string> &vArgs )`
-		258	`{`
-		259	`theConsole.ShowScript();`
220	`return "";`	260	`return "";`
-		261	`}`
-		262
-		263	`////////////////////////////////////////////////////////////////////////////////`
-		264	`/**`
-		265	`*/`
-		266	`char* ConsoleRunScript( std::vector<std::string> &vArgs )`
-		267	`{`
-		268	`theConsole.RunScript();`
-		269	`return "";`
221	`}`	270	`}`
-		271
-		272	`////////////////////////////////////////////////////////////////////////////////`
-		273	`/**`
-		274	`*/`
-		275	`char* ConsoleSaveScript( std::vector<std::string> &vArgs )`
-		276	`{`
222	`if(args.size()>0)`	277	`if( vArgs.size() != 0 ) {`
-		278	`theConsole.SaveScript( vArgs[0] );`
-		279	`}`
-		280	`else {`
-		281	`theConsole.SaveScript();`
-		282	`}`
-		283	`return "";`
-		284	`}`
-		285
-		286	`////////////////////////////////////////////////////////////////////////////////`
-		287	`/**`
-		288	`*/`
-		289	`char* ConsoleLaunchScript( std::vector<std::string> &vArgs )`
223	`{`	290	`{`
224	`string& file_name = args[0];`	291	`if( vArgs.size() != 0 ) {`
225	`theConsole.ExecuteScript(file_name.c_str());`	292	`theConsole.LaunchScript( vArgs[0] );`
-		293	`}`
-		294	`else {`
-		295	`theConsole.LaunchScript();`
-		296	`}`
226	`return "";`	297	`return "";`
227	`}`	298	`}`
-		299
-		300
-		301	`////////////////////////////////////////////////////////////////////////////////`
-		302	`/**`
-		303	`*/`
-		304	`char* ConsoleLoad( std::vector<std::string> &vArgs )`
-		305	`{`
228	`return "must supply file name\n";`	306	`std::string sFile = "cvars.xml";`
-		307	`std::vector< std::string > vAcceptedSubstrings;`
-		308
-		309	`if( vArgs.size() > 0 ) {`
-		310	`sFile = vArgs[0];`
-		311	`for( size_t i=1; i<vArgs.size(); i++ ) {`
-		312	`vAcceptedSubstrings.push_back( vArgs[i] );`
-		313	`}`
-		314	`}`
-		315	`theConsole.Printf("Loading file from \"%s\".", sFile.c_str() );`
-		316	`if( !CVarUtils::Load( sFile, vAcceptedSubstrings) ) {`
-		317	`theConsole.Printf( "Error loading file.\n" );`
-		318	`}`
-		319	`return "";`
229	`}`	320	`}`
230		321
231		322
232	`char* console_refine_edges(std::vector<std::string> &args)`	323	`char* console_refine_edges(std::vector<std::string> &args)`
233	`{`	324	`{`
234	`if(wantshelp(args))`	325	`if(wantshelp(args))`
235	`{`	326	`{`
236	`theConsole.Printf("usage: refine.split_edges <length>");`	327	`theConsole.Printf("usage: refine.split_edges <length>");`
237	`theConsole.Printf("splits edges longer than <length>; default is 0.5 times average length");`	328	`theConsole.Printf("splits edges longer than <length>; default is 0.5 times average length");`
238	`return "";`	329	`return "";`
239	`}`	330	`}`
240		331
241	`float thresh = 0.5;`	332	`float thresh = 0.5;`
242	`if(args.size()>0)`	333	`if(args.size()>0)`
243	`{`	334	`{`
244	`istringstream a0(args[0]);`	335	`istringstream a0(args[0]);`
245	`a0 >> thresh;`	336	`a0 >> thresh;`
246	`}`	337	`}`
247	`float avg_length = average_edge_length(active_mesh());`	338	`float avg_length = average_edge_length(active_mesh());`
248	`refine_edges(active_mesh(), thresh * avg_length);`	339	`refine_edges(active_mesh(), thresh * avg_length);`
249	`return "";`	340	`return "";`
250		341
251	`}`	342	`}`
252		343
253	`char* console_refine_faces(std::vector<std::string> &args)`	344	`char* console_refine_faces(std::vector<std::string> &args)`
254	`{`	345	`{`
255	`if(wantshelp(args))`	346	`if(wantshelp(args))`
256	`{`	347	`{`
257	`theConsole.Printf("usage: refine.split_faces ");`	348	`theConsole.Printf("usage: refine.split_faces ");`
258	`theConsole.Printf("usage: Takes no arguments. Inserts a vertex at the centre of each face.");`	349	`theConsole.Printf("usage: Takes no arguments. Inserts a vertex at the centre of each face.");`
259	`return "";`	350	`return "";`
260	`}`	351	`}`
261		352
262	`safe_triangulate(active_mesh());`	353	`safe_triangulate(active_mesh());`
263	`return "";`	354	`return "";`
264		355
265	`}`	356	`}`
266		357
267	`char* console_cc_subdivide(std::vector<std::string> &args)`	358	`char* console_cc_subdivide(std::vector<std::string> &args)`
268	`{`	359	`{`
269	`if(wantshelp(args))`	360	`if(wantshelp(args))`
270	`{`	361	`{`
271	`theConsole.Printf("usage: refine.catmull_clark ");`	362	`theConsole.Printf("usage: refine.catmull_clark ");`
272	`theConsole.Printf("Splits each polygon into four (Catmull Clark style)");`	363	`theConsole.Printf("Splits each polygon into four (Catmull Clark style)");`
273	`return "";`	364	`return "";`
274	`}`	365	`}`
275	`cc_split(active_mesh(),active_mesh());`	366	`cc_split(active_mesh(),active_mesh());`
276	`return "";`	367	`return "";`
277	`}`	368	`}`
278		369
279	`char* console_dual(std::vector<std::string> &args)`	370	`char* console_dual(std::vector<std::string> &args)`
280	`{`	371	`{`
281	`if(wantshelp(args))`	372	`if(wantshelp(args))`
282	`{`	373	`{`
283	`theConsole.Printf("usage: dual ");`	374	`theConsole.Printf("usage: dual ");`
284	`theConsole.Printf("Produces the dual by converting each face to a vertex placed at the barycenter.");`	375	`theConsole.Printf("Produces the dual by converting each face to a vertex placed at the barycenter.");`
285	`return "";`	376	`return "";`
286	`}`	377	`}`
287		378
288	`Manifold& m = active_mesh();`	379	`Manifold& m = active_mesh();`
289		380
290	`// make sure every face knows its number`	381	`// make sure every face knows its number`
291	`m.enumerate_faces();`	382	`m.enumerate_faces();`
292		383
293	`vector<Vec3f> vertices(m.no_faces());`	384	`vector<Vec3f> vertices(m.no_faces());`
294	`vector<int> faces;`	385	`vector<int> faces;`
295	`vector<int> indices;`	386	`vector<int> indices;`
296		387
297	`// Create new vertices. Each face becomes a vertex whose position`	388	`// Create new vertices. Each face becomes a vertex whose position`
298	`// is the centre of the face`	389	`// is the centre of the face`
299	`int i=0;`	390	`int i=0;`
300	`for(FaceIter f=m.faces_begin(); f!=m.faces_end(); ++f,++i)`	391	`for(FaceIter f=m.faces_begin(); f!=m.faces_end(); ++f,++i)`
301	`vertices[i] = centre(f);`	392	`vertices[i] = centre(f);`
302		393
303	`// Create new faces. Each vertex is a new face with N=valency of vertex`	394	`// Create new faces. Each vertex is a new face with N=valency of vertex`
304	`// edges.`	395	`// edges.`
305	`i=0;`	396	`i=0;`
306	`for(VertexIter v=m.vertices_begin(); v!= m.vertices_end(); ++v,++i)`	397	`for(VertexIter v=m.vertices_begin(); v!= m.vertices_end(); ++v,++i)`
307	`if(!is_boundary(v))`	398	`if(!is_boundary(v))`
308	`{`	399	`{`
309	`VertexCirculator vc(v);`	400	`VertexCirculator vc(v);`
310	`vector<int> index_tmp;`	401	`vector<int> index_tmp;`
311	`for(; !vc.end(); ++vc)`	402	`for(; !vc.end(); ++vc)`
312	`index_tmp.push_back(vc.get_face()->touched);`	403	`index_tmp.push_back(vc.get_face()->touched);`
313		404
314	`// Push vertex indices for this face onto indices vector.`	405	`// Push vertex indices for this face onto indices vector.`
315	`// The circulator moves around the face in a clockwise fashion`	406	`// The circulator moves around the face in a clockwise fashion`
316	`// so we just reverse the ordering.`	407	`// so we just reverse the ordering.`
317	`indices.insert(indices.end(), index_tmp.rbegin(), index_tmp.rend());`	408	`indices.insert(indices.end(), index_tmp.rbegin(), index_tmp.rend());`
318		409
319	`// Insert face valency in the face vector.`	410	`// Insert face valency in the face vector.`
320	`faces.push_back(vc.no_steps());`	411	`faces.push_back(vc.no_steps());`
321	`}`	412	`}`
322		413
323	`// Clear the manifold before new geometry is inserted.`	414	`// Clear the manifold before new geometry is inserted.`
324	`m.clear();`	415	`m.clear();`
325		416
326	`// And build`	417	`// And build`
327	`build_manifold(m, vertices.size(), &vertices[0], faces.size(),`	418	`build_manifold(m, vertices.size(), &vertices[0], faces.size(),`
328	`&faces[0],&indices[0]);`	419	`&faces[0],&indices[0]);`
329		420
330	`return "";`	421	`return "";`
331	`}`	422	`}`
332		423
333		424
334	`char* console_minimize_curvature(std::vector<std::string> &args)`	425	`char* console_minimize_curvature(std::vector<std::string> &args)`
335	`{`	426	`{`
336	`if(wantshelp(args))`	427	`if(wantshelp(args))`
337	`{`	428	`{`
338	`theConsole.Printf("usage: optimize.minimize_curvature <anneal>");`	429	`theConsole.Printf("usage: optimize.minimize_curvature <anneal>");`
339	`theConsole.Printf("Flip edges to minimize mean curvature.");`	430	`theConsole.Printf("Flip edges to minimize mean curvature.");`
340	`theConsole.Printf("If anneal is true, simulated annealing (slow) is used rather than a greedy scheme");`	431	`theConsole.Printf("If anneal is true, simulated annealing (slow) is used rather than a greedy scheme");`
341	`return "";`	432	`return "";`
342	`}`	433	`}`
343	`bool anneal=false;`	434	`bool anneal=false;`
344	`if(args.size()>0)`	435	`if(args.size()>0)`
345	`{`	436	`{`
346	`istringstream a0(args[0]);`	437	`istringstream a0(args[0]);`
347	`a0 >> anneal;`	438	`a0 >> anneal;`
348	`}`	439	`}`
349		440
350	`minimize_curvature(active_mesh(), anneal);`	441	`minimize_curvature(active_mesh(), anneal);`
351	`avo().post_create_display_list();`	442	`avo().post_create_display_list();`
352	`return "";`	443	`return "";`
353	`}`	444	`}`
354		445
355	`char* console_minimize_dihedral(std::vector<std::string> &args)`	446	`char* console_minimize_dihedral(std::vector<std::string> &args)`
356	`{`	447	`{`
357	`if(wantshelp(args))`	448	`if(wantshelp(args))`
358	`{`	449	`{`
359	`theConsole.Printf("usage: optimize.minimize_dihedral <iter> <anneal> <use_alpha> <gamma> ");`	450	`theConsole.Printf("usage: optimize.minimize_dihedral <iter> <anneal> <use_alpha> <gamma> ");`
360	`theConsole.Printf("Flip edges to minimize dihedral angles.");`	451	`theConsole.Printf("Flip edges to minimize dihedral angles.");`
361	`theConsole.Printf("Iter is the max number of iterations. anneal tells us whether to use ");`	452	`theConsole.Printf("Iter is the max number of iterations. anneal tells us whether to use ");`
362	`theConsole.Printf("simulated annealing and not greedy optimization. use_alpha (default=true) ");`	453	`theConsole.Printf("simulated annealing and not greedy optimization. use_alpha (default=true) ");`
363	`theConsole.Printf("means to use angle and not cosine of anglegamma (default=4) is the power ");`	454	`theConsole.Printf("means to use angle and not cosine of anglegamma (default=4) is the power ");`
364	`theConsole.Printf("to which we raise the dihedral angle");`	455	`theConsole.Printf("to which we raise the dihedral angle");`
365	`return "";`	456	`return "";`
366	`}`	457	`}`
367	`int iter = 1000;`	458	`int iter = 1000;`
368	`if(args.size()>0)`	459	`if(args.size()>0)`
369	`{`	460	`{`
370	`istringstream a0(args[0]);`	461	`istringstream a0(args[0]);`
371	`a0 >> iter;`	462	`a0 >> iter;`
372	`}`	463	`}`
373		464
374	`bool anneal = false;`	465	`bool anneal = false;`
375	`if(args.size()>1)`	466	`if(args.size()>1)`
376	`{`	467	`{`
377	`istringstream a0(args[0]);`	468	`istringstream a0(args[0]);`
378	`a0 >> anneal;`	469	`a0 >> anneal;`
379	`}`	470	`}`
380		471
381	`bool use_alpha = true;`	472	`bool use_alpha = true;`
382	`if(args.size()>2)`	473	`if(args.size()>2)`
383	`{`	474	`{`
384	`istringstream a0(args[0]);`	475	`istringstream a0(args[0]);`
385	`a0 >> use_alpha;`	476	`a0 >> use_alpha;`
386	`}`	477	`}`
387		478
388	`float gamma = 4.0;`	479	`float gamma = 4.0;`
389	`if(args.size()>3)`	480	`if(args.size()>3)`
390	`{`	481	`{`
391	`istringstream a0(args[0]);`	482	`istringstream a0(args[0]);`
392	`a0 >> gamma;`	483	`a0 >> gamma;`
393	`}`	484	`}`
394		485
395		486
396	`minimize_dihedral_angle(active_mesh(), iter, anneal, use_alpha, gamma);`	487	`minimize_dihedral_angle(active_mesh(), iter, anneal, use_alpha, gamma);`
397	`return "";`	488	`return "";`
398	`}`	489	`}`
399		490
400	`char* console_maximize_min_angle(std::vector<std::string> &args)`	491	`char* console_maximize_min_angle(std::vector<std::string> &args)`
401	`{`	492	`{`
402	`if(wantshelp(args))`	493	`if(wantshelp(args))`
403	`{`	494	`{`
404	`theConsole.Printf("usage: optimize.maximize_min_angle <thresh> <anneal>");`	495	`theConsole.Printf("usage: optimize.maximize_min_angle <thresh> <anneal>");`

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(root)/trunk/apps/MeshEdit/meshedit.cpp – Rev 412 → 415