WebSVN – gelsvn – Diff – /branches/wireframe-experiments/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 <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 <GLGraphics/draw.h>
#include <GLGraphics/glsl_shader.h>
#include <GLGraphics/GLViewController.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 "harmonics.h"
#include "wireframe.h"
 
using namespace std;
using namespace HMesh;
using namespace Geometry;
using namespace GLGraphics;
using namespace CGLA;
using namespace Util;
using namespace LinAlg;
 
int WINX=800, WINY=800;
 
class VisObj
{
	string file;
	GLViewController view_ctrl;
	GLuint display_list;
	bool create_display_list;
	Manifold mani;
	Harmonics* harmonics;
	
public:
	
	Manifold& mesh() {return mani;}
	GLViewController& view_control() {return view_ctrl;}
	
	bool reload(string _file)
	{
		if(_file != "") file = _file;
		mani.clear();
		if(!load(file, mani))
			return false;
		Vec3f c(0,0,0);
		float r = 5;
		mani.get_bsphere(c,r);
		view_ctrl.set_centre(c);
		view_ctrl.set_eye_dist(2*r);
		return true;
	}
	
	VisObj():
	file(""), view_ctrl(WINX,WINY, Vec3f(0), 1.0), display_list(glGenLists(1)), create_display_list(true), harmonics(0) 
	{
	}
	
	void display(bool wire, bool harm, bool flat)
	{
		if(create_display_list)
		{
			create_display_list = false;
			
			glNewList(display_list,GL_COMPILE);
			if(wire)
			{
				enable_wireframe();
				draw(mani);
				glUseProgram(0);	
			}
			else if(harm)
				harmonics->draw();
			else 
				draw(mani,!flat);
			glEndList();
		}
		view_ctrl.reset_projection();
		view_ctrl.set_gl_modelview();
		glCallList(display_list);
	}
	
	
	void post_create_display_list()
	{
		create_display_list = true;
	}
	
	void harmonics_analyze_mesh()
	{
		delete harmonics;
		harmonics = new Harmonics(mani);
	}
	
	void harmonics_reset_shape()
	{
		if(harmonics)
			harmonics->reset_shape();
	}
	
	void harmonics_parse_key(unsigned char key)
	{
		harmonics->parse_key(key);
	}
	
	void harmonics_partial_reconstruct(int eig0, int eig1, float scale)
	{
		if(harmonics)
			harmonics->partial_reconstruct(eig0, eig1, scale);
	}
	
};
 
inline VisObj& get_vis_obj(int i)
{
	static VisObj vo[9];
	return vo[i];
}
 
inline VisObj& avo()
{
	static CVar<int> active("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
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   : toggle wireframe");
    theConsole.Printf("f   : toggle flatshading");
    theConsole.Printf("1-9 : switch between active meshes.");
    theConsole.Printf("d   : (display.harmonics = 1) diffuse light on and off");
    theConsole.Printf("h   : (display.harmonics = 1) highlight on and off ");
    theConsole.Printf("+/- : (display.harmonics = 1) 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* 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_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(wantshelp(args)) 
		{
			theConsole.Printf("usage: haramonics.partial_reconstruct <e0> <e1> <s>");
			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.");
			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:  reload <file>");
			theConsole.Printf("Reloads 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. To ensure uniformness, the vector must lie in the");
			theConsole.Printf("unit sphere. The length of the vector is multiplied by the average edge length and then amplitude");
			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_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>");
			theConsole.Printf("Perform Laplacian smoothing. weight is the scaling factor for the Laplacian.");
			return "";
		}
	float t=1.0;
	if(args.size()>0)
	{
		istringstream a0(args[0]);
		a0 >> t;
	}
	/// Simple laplacian smoothing with an optional weight.
	laplacian_smooth(active_mesh(), t);
	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 CVar<int> display_wireframe("display.wireframe",0);
	static CVar<int> display_eigenmodes("display.harmonics",0);
	static CVar<int> display_flat("display.flatshading",0);
	
	glPushMatrix();
	
	avo().display(display_wireframe, display_eigenmodes, display_flat);
	
	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) 
{
	cout << button << endl;
	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 );
		}
	}
}
 
template<typename T>
T& get_CVar_ref(const std::string& s)
{
	return *reinterpret_cast<T*> (GetCVarData(s));
}
 
void keyboard(unsigned char key, int x, int y) 
{	
	if(theConsole.isOpen())
	{
		switch(key) {
			case '\033': 
				theConsole.ToggleConsole();
			default:      
				//send keystroke to console
				if( theConsole.isOpen() ){
					theConsole.EnterCommandCharacter(key);
				}
				break;
		}
		if(key == 13)	avo().post_create_display_list();
		
	}	
	else {
		int& display_wireframe = get_CVar_ref<int>("display.wireframe");
		int& display_flat = get_CVar_ref<int>("display.flatshading");
		int& active  = get_CVar_ref<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_flat = !display_flat; break;
			case 'w':
				display_wireframe = !display_wireframe;
				break;
		}
		
		if(get_CVar_ref<int>("display.harmonics"))
			avo().harmonics_parse_key(key);
		
		avo().post_create_display_list();		
	}
}
 
void init_glut(int argc, char** argv)
{
	glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE|GLUT_DEPTH);
	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);
	
	initialize_wireframe_shaders();
	
	
	// 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);
	glEnable(GL_DEPTH_TEST);
	
	static CVar<ConsoleFunc> help( "help", ConsoleHelp );
	static CVar<ConsoleFunc> rs("harmonics.reset_shape", console_reset_shape);
	static CVar<ConsoleFunc> ha("harmonics.analyze", console_analyze);
	static CVar<ConsoleFunc> pr("harmonics.partial_reconstruct", console_partial_reconstruct);
	static CVar<ConsoleFunc> simpl("simplify", console_simplify);
	static CVar<ConsoleFunc> lsmooth("smooth.laplacian", console_laplacian_smooth);
	static CVar<ConsoleFunc> tsmooth("smooth.taubin", console_taubin_smooth);
	static CVar<ConsoleFunc> fsmooth("smooth.fuzzy_vector_median", console_fvm_smooth);
	
	static CVar<ConsoleFunc> opt_val("optimize.valency", console_optimize_valency);
	static CVar<ConsoleFunc> min_dih("optimize.minimize_dihedral_angles", console_minimize_dihedral);
	static CVar<ConsoleFunc> min_curv("optimize.minimize_curvature", console_minimize_curvature);
	static CVar<ConsoleFunc> max_min_angle("optimize.maximize_min_angle", console_maximize_min_angle);
	static CVar<ConsoleFunc> close_holes_fun("cleanup.close_holes", console_close_holes);
	static CVar<ConsoleFunc> reload_fun("reload", console_reload);
	
	static CVar<ConsoleFunc> rem_caps_fun("cleanup.remove_caps", console_remove_caps);
	static CVar<ConsoleFunc> rem_needles_fun("cleanup.remove_needles", console_remove_needles);
	static CVar<ConsoleFunc> triangulate_fun("triangulate", console_triangulate);
	static CVar<ConsoleFunc> refine_fun("refine.split_edges", console_refine_edges);
	static CVar<ConsoleFunc> refine_face_fun("refine.split_faces", console_refine_faces);
	static CVar<ConsoleFunc> subd_fun("refine.catmull_clark", console_cc_subdivide);
	static CVar<ConsoleFunc> save_fun("save", console_save);
	static CVar<ConsoleFunc> noise_fun("noise.perturb_vertices", console_vertex_noise);
	static CVar<ConsoleFunc> noise_fun2("noise.perturb_topology", console_noisy_flips);
 
	static CVar<ConsoleFunc> align_fun("align", console_align);
	
	
}
 
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 391	Rev 393
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	`#include <iostream>`	11	`#include <iostream>`
12	`#include <CGLA/eigensolution.h>`	12	`#include <CGLA/eigensolution.h>`
13	`#include <CGLA/Vec2d.h>`	13	`#include <CGLA/Vec2d.h>`
14	`#include <CGLA/Vec3d.h>`	14	`#include <CGLA/Vec3d.h>`
15	`#include <CGLA/Mat3x3d.h>`	15	`#include <CGLA/Mat3x3d.h>`
16	`#include <CGLA/Mat2x2d.h>`	16	`#include <CGLA/Mat2x2d.h>`
17	`#include <CGLA/Mat2x3d.h>`	17	`#include <CGLA/Mat2x3d.h>`
18		18
19	`#include <LinAlg/Matrix.h>`	19	`#include <LinAlg/Matrix.h>`
20	`#include <LinAlg/Vector.h>`	20	`#include <LinAlg/Vector.h>`
21	`#include <LinAlg/LapackFunc.h>`	21	`#include <LinAlg/LapackFunc.h>`
22		22
23	`#include <Util/Timer.h>`	23	`#include <Util/Timer.h>`
24	`#include <Util/ArgExtracter.h>`	24	`#include <Util/ArgExtracter.h>`
25		25
26	`#include <GL/glew.h>`	26	`#include <GL/glew.h>`
27	`#include <GLGraphics/gel_glut.h>`	27	`#include <GLGraphics/gel_glut.h>`
28	`#include <GLGraphics/draw.h>`	28	`#include <GLGraphics/draw.h>`
29	`#include <GLGraphics/glsl_shader.h>`	29	`#include <GLGraphics/glsl_shader.h>`
30	`#include <GLGraphics/GLViewController.h>`	30	`#include <GLGraphics/GLViewController.h>`
31		31
32	`#include <HMesh/Manifold.h>`	32	`#include <HMesh/Manifold.h>`
33	`#include <HMesh/VertexCirculator.h>`	33	`#include <HMesh/VertexCirculator.h>`
34	`#include <HMesh/FaceCirculator.h>`	34	`#include <HMesh/FaceCirculator.h>`
35	`#include <HMesh/build_manifold.h>`	35	`#include <HMesh/build_manifold.h>`
36	`#include <HMesh/mesh_optimization.h>`	36	`#include <HMesh/mesh_optimization.h>`
37	`#include <HMesh/triangulate.h>`	37	`#include <HMesh/triangulate.h>`
38	`#include <HMesh/load.h>`	38	`#include <HMesh/load.h>`
39	`#include <HMesh/quadric_simplify.h>`	39	`#include <HMesh/quadric_simplify.h>`
40	`#include <HMesh/smooth.h>`	40	`#include <HMesh/smooth.h>`
41	`#include <HMesh/x3d_save.h>`	41	`#include <HMesh/x3d_save.h>`
42	`#include <HMesh/obj_save.h>`	42	`#include <HMesh/obj_save.h>`
43	`#include <HMesh/mesh_optimization.h>`	43	`#include <HMesh/mesh_optimization.h>`
44	`#include <HMesh/triangulate.h>`	44	`#include <HMesh/triangulate.h>`
45	`#include <HMesh/close_holes.h>`	45	`#include <HMesh/close_holes.h>`
46	`#include <HMesh/caps_and_needles.h>`	46	`#include <HMesh/caps_and_needles.h>`
47	`#include <HMesh/refine_edges.h>`	47	`#include <HMesh/refine_edges.h>`
48	`#include <HMesh/subdivision.h>`	48	`#include <HMesh/subdivision.h>`
49		49
50	`#include <GLConsole/GLConsole.h>`	50	`#include <GLConsole/GLConsole.h>`
51		51
52	`#include "harmonics.h"`	52	`#include "harmonics.h"`
53	`#include "wireframe.h"`	53	`#include "wireframe.h"`
54		54
55	`using namespace std;`	55	`using namespace std;`
56	`using namespace HMesh;`	56	`using namespace HMesh;`
57	`using namespace Geometry;`	57	`using namespace Geometry;`
58	`using namespace GLGraphics;`	58	`using namespace GLGraphics;`
59	`using namespace CGLA;`	59	`using namespace CGLA;`
60	`using namespace Util;`	60	`using namespace Util;`
61	`using namespace LinAlg;`	61	`using namespace LinAlg;`
62		62
63	`int WINX=800, WINY=800;`	63	`int WINX=800, WINY=800;`
64		64
65	`class VisObj`	65	`class VisObj`
66	`{`	66	`{`
67	`string file;`	67	`string file;`
68	`GLViewController view_ctrl;`	68	`GLViewController view_ctrl;`
69	`GLuint display_list;`	69	`GLuint display_list;`
70	`bool create_display_list;`	70	`bool create_display_list;`
71	`Manifold mani;`	71	`Manifold mani;`
72	`Harmonics* harmonics;`	72	`Harmonics* harmonics;`
73		73
74	`public:`	74	`public:`
75		75
76	`Manifold& mesh() {return mani;}`	76	`Manifold& mesh() {return mani;}`
77	`GLViewController& view_control() {return view_ctrl;}`	77	`GLViewController& view_control() {return view_ctrl;}`
78		78
79	`bool reload(string _file)`	79	`bool reload(string _file)`
80	`{`	80	`{`
81	`if(_file != "") file = _file;`	81	`if(_file != "") file = _file;`
82	`mani.clear();`	82	`mani.clear();`
83	`if(!load(file, mani))`	83	`if(!load(file, mani))`
84	`return false;`	84	`return false;`
85	`Vec3f c(0,0,0);`	85	`Vec3f c(0,0,0);`
86	`float r = 5;`	86	`float r = 5;`
87	`mani.get_bsphere(c,r);`	87	`mani.get_bsphere(c,r);`
88	`view_ctrl.set_centre(c);`	88	`view_ctrl.set_centre(c);`
89	`view_ctrl.set_eye_dist(2*r);`	89	`view_ctrl.set_eye_dist(2*r);`
90	`return true;`	90	`return true;`
91	`}`	91	`}`
92		92
93	`VisObj():`	93	`VisObj():`
94	`file(""), view_ctrl(WINX,WINY, Vec3f(0), 1.0), display_list(glGenLists(1)), create_display_list(true), harmonics(0)`	94	`file(""), view_ctrl(WINX,WINY, Vec3f(0), 1.0), display_list(glGenLists(1)), create_display_list(true), harmonics(0)`
95	`{`	95	`{`
96	`}`	96	`}`
97		97
98	`void display(bool wire, bool harm, bool flat)`	98	`void display(bool wire, bool harm, bool flat)`
99	`{`	99	`{`
100	`if(create_display_list)`	100	`if(create_display_list)`
101	`{`	101	`{`
102	`create_display_list = false;`	102	`create_display_list = false;`
103		103
104	`glNewList(display_list,GL_COMPILE);`	104	`glNewList(display_list,GL_COMPILE);`
105	`if(wire)`	105	`if(wire)`
106	`{`	106	`{`
107	`enable_wireframe();`	107	`enable_wireframe();`
108	`draw(mani);`	108	`draw(mani);`
109	`glUseProgram(0);`	109	`glUseProgram(0);`
110	`}`	110	`}`
111	`else if(harm)`	111	`else if(harm)`
112	`harmonics->draw();`	112	`harmonics->draw();`
113	`else`	113	`else`
114	`draw(mani,!flat);`	114	`draw(mani,!flat);`
115	`glEndList();`	115	`glEndList();`
116	`}`	116	`}`
117	`view_ctrl.reset_projection();`	117	`view_ctrl.reset_projection();`
118	`view_ctrl.set_gl_modelview();`	118	`view_ctrl.set_gl_modelview();`
119	`glCallList(display_list);`	119	`glCallList(display_list);`
120	`}`	120	`}`
121		121
122		122
123	`void post_create_display_list()`	123	`void post_create_display_list()`
124	`{`	124	`{`
125	`create_display_list = true;`	125	`create_display_list = true;`
126	`}`	126	`}`
127		127
128	`void harmonics_analyze_mesh()`	128	`void harmonics_analyze_mesh()`
129	`{`	129	`{`
130	`delete harmonics;`	130	`delete harmonics;`
131	`harmonics = new Harmonics(mani);`	131	`harmonics = new Harmonics(mani);`
132	`}`	132	`}`
133		133
134	`void harmonics_reset_shape()`	134	`void harmonics_reset_shape()`
135	`{`	135	`{`
136	`if(harmonics)`	136	`if(harmonics)`
137	`harmonics->reset_shape();`	137	`harmonics->reset_shape();`
138	`}`	138	`}`
139		139
140	`void harmonics_parse_key(unsigned char key)`	140	`void harmonics_parse_key(unsigned char key)`
141	`{`	141	`{`
142	`harmonics->parse_key(key);`	142	`harmonics->parse_key(key);`
143	`}`	143	`}`
144		144
145	`void harmonics_partial_reconstruct(int eig0, int eig1, float scale)`	145	`void harmonics_partial_reconstruct(int eig0, int eig1, float scale)`
146	`{`	146	`{`
147	`if(harmonics)`	147	`if(harmonics)`
148	`harmonics->partial_reconstruct(eig0, eig1, scale);`	148	`harmonics->partial_reconstruct(eig0, eig1, scale);`
149	`}`	149	`}`
150		150
151	`};`	151	`};`
152		152
153	`inline VisObj& get_vis_obj(int i)`	153	`inline VisObj& get_vis_obj(int i)`
154	`{`	154	`{`
155	`static VisObj vo[9];`	155	`static VisObj vo[9];`
156	`return vo[i];`	156	`return vo[i];`
157	`}`	157	`}`
158		158
159	`inline VisObj& avo()`	159	`inline VisObj& avo()`
160	`{`	160	`{`
161	`static CVar<int> active("active_mesh",0);`	161	`static CVar<int> active("active_mesh",0);`
162	`return get_vis_obj(active);`	162	`return get_vis_obj(active);`
163	`}`	163	`}`
164		164
165	`inline Manifold& active_mesh()`	165	`inline Manifold& active_mesh()`
166	`{`	166	`{`
167	`return avo().mesh();`	167	`return avo().mesh();`
168	`}`	168	`}`
169		169
170	`inline GLViewController& active_view_control()`	170	`inline GLViewController& active_view_control()`
171	`{`	171	`{`
172	`return avo().view_control();`	172	`return avo().view_control();`
173	`}`	173	`}`
174		174
175	`// Single global instance so glut can get access`	175	`// Single global instance so glut can get access`
176	`GLConsole theConsole;`	176	`GLConsole theConsole;`
177		177
178	`////////////////////////////////////////////////////////////////////////////////`	178	`////////////////////////////////////////////////////////////////////////////////`
179	`char* ConsoleHelp(std::vector<std::string> &args)`	179	`char* ConsoleHelp(std::vector<std::string> &args)`
180	`{`	180	`{`
181	`theConsole.Printf("");`	181	`theConsole.Printf("");`
182	`theConsole.Printf("----------------- HELP -----------------");`	182	`theConsole.Printf("----------------- HELP -----------------");`
183	`theConsole.Printf("Press ESC key to open and close console");`	183	`theConsole.Printf("Press ESC key to open and close console");`
184	`theConsole.Printf("Press TAB to see the available commands and functions");`	184	`theConsole.Printf("Press TAB to see the available commands and functions");`
185	`theConsole.Printf("Functions are shown in green and variables in yellow");`	185	`theConsole.Printf("Functions are shown in green and variables in yellow");`
186	`theConsole.Printf("Setting a value: [command] = value");`	186	`theConsole.Printf("Setting a value: [command] = value");`
187	`theConsole.Printf("Getting a value: [command]");`	187	`theConsole.Printf("Getting a value: [command]");`
188	`theConsole.Printf("Functions: [function] [arg1] [arg2] ...");`	188	`theConsole.Printf("Functions: [function] [arg1] [arg2] ...");`
189	`theConsole.Printf("Entering arg1=? or arg1=help will give a description.");`	189	`theConsole.Printf("Entering arg1=? or arg1=help will give a description.");`
190	`theConsole.Printf("History: Up and Down arrow keys move through history.");`	190	`theConsole.Printf("History: Up and Down arrow keys move through history.");`
191	`theConsole.Printf("Tab Completion: TAB does tab completion and makes suggestions.");`	191	`theConsole.Printf("Tab Completion: TAB does tab completion and makes suggestions.");`
192	`theConsole.Printf("");`	192	`theConsole.Printf("");`
193	`theConsole.Printf("Keyboard commands (when console is not active):");`	193	`theConsole.Printf("Keyboard commands (when console is not active):");`
194	`theConsole.Printf("w : toggle wireframe");`	194	`theConsole.Printf("w : toggle wireframe");`
195	`theConsole.Printf("f : toggle flatshading");`	195	`theConsole.Printf("f : toggle flatshading");`
196	`theConsole.Printf("1-9 : switch between active meshes.");`	196	`theConsole.Printf("1-9 : switch between active meshes.");`
197	`theConsole.Printf("d : (display.harmonics = 1) diffuse light on and off");`	197	`theConsole.Printf("d : (display.harmonics = 1) diffuse light on and off");`
198	`theConsole.Printf("h : (display.harmonics = 1) highlight on and off ");`	198	`theConsole.Printf("h : (display.harmonics = 1) highlight on and off ");`
199	`theConsole.Printf("+/- : (display.harmonics = 1) which eigenvector to show");`	199	`theConsole.Printf("+/- : (display.harmonics = 1) which eigenvector to show");`
200	`theConsole.Printf("q : quit program");`	200	`theConsole.Printf("q : quit program");`
201	`theConsole.Printf("ESC : open console");`	201	`theConsole.Printf("ESC : open console");`
202	`theConsole.Printf("");`	202	`theConsole.Printf("");`
203	`theConsole.Printf("Mouse: Left button rotates, middle zooms, right pans");`	203	`theConsole.Printf("Mouse: Left button rotates, middle zooms, right pans");`
204	`theConsole.Printf("----------------- HELP -----------------");`	204	`theConsole.Printf("----------------- HELP -----------------");`
205	`theConsole.Printf("");`	205	`theConsole.Printf("");`
206	`return "";`	206	`return "";`
207	`}`	207	`}`
208		208
209	`bool wantshelp(std::vector<std::string> &args)`	209	`bool wantshelp(std::vector<std::string> &args)`
210	`{`	210	`{`
211	`if(args.size()==0) return false;`	211	`if(args.size()==0) return false;`
212	`string str = args[0];`	212	`string str = args[0];`
213	`if(str=="help" \|\| str=="HELP" \|\| str=="Help" \|\| str=="?") return true;`	213	`if(str=="help" \|\| str=="HELP" \|\| str=="Help" \|\| str=="?") return true;`
214	`return false;`	214	`return false;`
215	`}`	215	`}`
216		216
217	`/// Function that aligns two meshes.`	217	`/// Function that aligns two meshes.`
218	`char* console_align(std::vector<std::string> &args)`	218	`char* console_align(std::vector<std::string> &args)`
219	`{`	219	`{`
220	`if(wantshelp(args))`	220	`if(wantshelp(args))`
221	`{`	221	`{`
222	`theConsole.Printf("usage: align <dest> <src>");`	222	`theConsole.Printf("usage: align <dest> <src>");`
223	`theConsole.Printf("This function aligns dest mesh with src");`	223	`theConsole.Printf("This function aligns dest mesh with src");`
224	`theConsole.Printf("In practice the GLViewController of src is copied to dst.");`	224	`theConsole.Printf("In practice the GLViewController of src is copied to dst.");`
225	`theConsole.Printf("both arguments are mandatory and must be numbers between 1 and 9.");`	225	`theConsole.Printf("both arguments are mandatory and must be numbers between 1 and 9.");`
226	`theConsole.Printf("Note that results might be unexpexted if the meshes are not on the same scale");`	226	`theConsole.Printf("Note that results might be unexpexted if the meshes are not on the same scale");`
227	`return "";`	227	`return "";`
228	`}`	228	`}`
229		229
230	`int dest = 0;`	230	`int dest = 0;`
231	`if(args.size()>0)`	231	`if(args.size()>0)`
232	`{`	232	`{`
233	`istringstream a0(args[0]);`	233	`istringstream a0(args[0]);`
234	`a0 >> dest;`	234	`a0 >> dest;`
235	`--dest;`	235	`--dest;`
236	`if(dest <0 \|\| dest>8) return "dest mesh out of range (1-9)";`	236	`if(dest <0 \|\| dest>8) return "dest mesh out of range (1-9)";`
237	`}`	237	`}`
238	`else return "neither source nor destination mesh?!";`	238	`else return "neither source nor destination mesh?!";`
239	`int src = 0;`	239	`int src = 0;`
240	`if(args.size()>1)`	240	`if(args.size()>1)`
241	`{`	241	`{`
242	`istringstream a1(args[1]);`	242	`istringstream a1(args[1]);`
243	`a1 >> src;`	243	`a1 >> src;`
244	`--src;`	244	`--src;`
245	`if(src <0 \|\| src>8) return "src mesh out of range (1-9)";`	245	`if(src <0 \|\| src>8) return "src mesh out of range (1-9)";`
246	`}`	246	`}`
247	`else return "no src mesh?";`	247	`else return "no src mesh?";`
248		248
249	`get_vis_obj(dest).view_control() = get_vis_obj(src).view_control();`	249	`get_vis_obj(dest).view_control() = get_vis_obj(src).view_control();`
250		250
251	`return "";`	251	`return "";`
252	`}`	252	`}`
253		253
254		254
255	`char* console_save(std::vector<std::string> &args)`	255	`char* console_save(std::vector<std::string> &args)`
256	`{`	256	`{`
257	`if(wantshelp(args))`	257	`if(wantshelp(args))`
258	`{`	258	`{`
259	`theConsole.Printf("usage: save <name.x3d\|name.obj> ");`	259	`theConsole.Printf("usage: save <name.x3d\|name.obj> ");`
260	`return "";`	260	`return "";`
261	`}`	261	`}`
262	`string& file_name = args[0];`	262	`string& file_name = args[0];`
263	`if(args.size() == 1)`	263	`if(args.size() == 1)`
264	`{`	264	`{`
265	`if(file_name.substr(file_name.length()-4,file_name.length())==".obj")`	265	`if(file_name.substr(file_name.length()-4,file_name.length())==".obj")`
266	`{`	266	`{`
267	`obj_save(file_name, active_mesh());`	267	`obj_save(file_name, active_mesh());`
268	`return "";`	268	`return "";`
269	`}`	269	`}`
270	`else if(file_name.substr(file_name.length()-4,file_name.length())==".x3d")`	270	`else if(file_name.substr(file_name.length()-4,file_name.length())==".x3d")`
271	`{`	271	`{`
272	`x3d_save(file_name, active_mesh());`	272	`x3d_save(file_name, active_mesh());`
273	`return "";`	273	`return "";`
274	`}`	274	`}`
275	`return "unknown format";`	275	`return "unknown format";`
276	`}`	276	`}`
277	`return "usage: save <name.x3d\|name.obj> ";`	277	`return "usage: save <name.x3d\|name.obj> ";`
278	`}`	278	`}`
279		279
280	`char* console_refine_edges(std::vector<std::string> &args)`	280	`char* console_refine_edges(std::vector<std::string> &args)`
281	`{`	281	`{`
282	`if(wantshelp(args))`	282	`if(wantshelp(args))`
283	`{`	283	`{`
284	`theConsole.Printf("usage: refine.split_edges <length>");`	284	`theConsole.Printf("usage: refine.split_edges <length>");`
285	`theConsole.Printf("splits edges longer than <length>; default is 0.5 times average length");`	285	`theConsole.Printf("splits edges longer than <length>; default is 0.5 times average length");`
286	`return "";`	286	`return "";`
287	`}`	287	`}`
288		288
289	`float thresh = 0.5;`	289	`float thresh = 0.5;`
290	`if(args.size()>0)`	290	`if(args.size()>0)`
291	`{`	291	`{`
292	`istringstream a0(args[0]);`	292	`istringstream a0(args[0]);`
293	`a0 >> thresh;`	293	`a0 >> thresh;`
294	`}`	294	`}`
295	`float avg_length = average_edge_length(active_mesh());`	295	`float avg_length = average_edge_length(active_mesh());`
296	`refine_edges(active_mesh(), thresh * avg_length);`	296	`refine_edges(active_mesh(), thresh * avg_length);`
297	`return "";`	297	`return "";`
298		298
299	`}`	299	`}`
300		300
301	`char* console_refine_faces(std::vector<std::string> &args)`	301	`char* console_refine_faces(std::vector<std::string> &args)`
302	`{`	302	`{`
303	`if(wantshelp(args))`	303	`if(wantshelp(args))`
304	`{`	304	`{`
305	`theConsole.Printf("usage: refine.split_faces ");`	305	`theConsole.Printf("usage: refine.split_faces ");`
306	`theConsole.Printf("usage: Takes no arguments. Inserts a vertex at the centre of each face.");`	306	`theConsole.Printf("usage: Takes no arguments. Inserts a vertex at the centre of each face.");`
307	`return "";`	307	`return "";`
308	`}`	308	`}`
309		309
310	`safe_triangulate(active_mesh());`	310	`safe_triangulate(active_mesh());`
311	`return "";`	311	`return "";`
312		312
313	`}`	313	`}`
314		314
315	`char* console_cc_subdivide(std::vector<std::string> &args)`	315	`char* console_cc_subdivide(std::vector<std::string> &args)`
316	`{`	316	`{`
317	`if(wantshelp(args))`	317	`if(wantshelp(args))`
318	`{`	318	`{`
319	`theConsole.Printf("usage: refine.catmull_clark ");`	319	`theConsole.Printf("usage: refine.catmull_clark ");`
320	`theConsole.Printf("Splits each polygon into four (Catmull Clark style)");`	320	`theConsole.Printf("Splits each polygon into four (Catmull Clark style)");`
321	`return "";`	321	`return "";`
322	`}`	322	`}`
323	`cc_split(active_mesh(),active_mesh());`	323	`cc_split(active_mesh(),active_mesh());`
324	`return "";`	324	`return "";`
325	`}`	325	`}`
326		326
327		327
328		328
329	`char* console_minimize_curvature(std::vector<std::string> &args)`	329	`char* console_minimize_curvature(std::vector<std::string> &args)`
330	`{`	330	`{`
331	`if(wantshelp(args))`	331	`if(wantshelp(args))`
332	`{`	332	`{`
333	`theConsole.Printf("usage: optimize.minimize_curvature <anneal>");`	333	`theConsole.Printf("usage: optimize.minimize_curvature <anneal>");`
334	`theConsole.Printf("Flip edges to minimize mean curvature.");`	334	`theConsole.Printf("Flip edges to minimize mean curvature.");`
335	`theConsole.Printf("If anneal is true, simulated annealing (slow) is used rather than a greedy scheme");`	335	`theConsole.Printf("If anneal is true, simulated annealing (slow) is used rather than a greedy scheme");`
336	`return "";`	336	`return "";`
337	`}`	337	`}`
338	`bool anneal=false;`	338	`bool anneal=false;`
339	`if(args.size()>0)`	339	`if(args.size()>0)`
340	`{`	340	`{`
341	`istringstream a0(args[0]);`	341	`istringstream a0(args[0]);`
342	`a0 >> anneal;`	342	`a0 >> anneal;`
343	`}`	343	`}`
344		344
345	`minimize_curvature(active_mesh(), anneal);`	345	`minimize_curvature(active_mesh(), anneal);`
346	`avo().post_create_display_list();`	346	`avo().post_create_display_list();`
347	`return "";`	347	`return "";`
348	`}`	348	`}`
349		349
350	`char* console_minimize_dihedral(std::vector<std::string> &args)`	350	`char* console_minimize_dihedral(std::vector<std::string> &args)`
351	`{`	351	`{`
352	`if(wantshelp(args))`	352	`if(wantshelp(args))`
353	`{`	353	`{`
354	`theConsole.Printf("usage: optimize.minimize_dihedral <iter> <anneal> <use_alpha> <gamma> ");`	354	`theConsole.Printf("usage: optimize.minimize_dihedral <iter> <anneal> <use_alpha> <gamma> ");`
355	`theConsole.Printf("Flip edges to minimize dihedral angles.");`	355	`theConsole.Printf("Flip edges to minimize dihedral angles.");`
356	`theConsole.Printf("Iter is the max number of iterations. anneal tells us whether to use ");`	356	`theConsole.Printf("Iter is the max number of iterations. anneal tells us whether to use ");`
357	`theConsole.Printf("simulated annealing and not greedy optimization. use_alpha (default=true) ");`	357	`theConsole.Printf("simulated annealing and not greedy optimization. use_alpha (default=true) ");`
358	`theConsole.Printf("means to use angle and not cosine of anglegamma (default=4) is the power ");`	358	`theConsole.Printf("means to use angle and not cosine of anglegamma (default=4) is the power ");`
359	`theConsole.Printf("to which we raise the dihedral angle");`	359	`theConsole.Printf("to which we raise the dihedral angle");`
360	`return "";`	360	`return "";`
361	`}`	361	`}`
362	`int iter = 1000;`	362	`int iter = 1000;`
363	`if(args.size()>0)`	363	`if(args.size()>0)`
364	`{`	364	`{`
365	`istringstream a0(args[0]);`	365	`istringstream a0(args[0]);`
366	`a0 >> iter;`	366	`a0 >> iter;`
367	`}`	367	`}`
368		368
369	`bool anneal = false;`	369	`bool anneal = false;`
370	`if(args.size()>1)`	370	`if(args.size()>1)`
371	`{`	371	`{`
372	`istringstream a0(args[0]);`	372	`istringstream a0(args[0]);`
373	`a0 >> anneal;`	373	`a0 >> anneal;`
374	`}`	374	`}`
375		375
376	`bool use_alpha = true;`	376	`bool use_alpha = true;`
377	`if(args.size()>2)`	377	`if(args.size()>2)`
378	`{`	378	`{`
379	`istringstream a0(args[0]);`	379	`istringstream a0(args[0]);`
380	`a0 >> use_alpha;`	380	`a0 >> use_alpha;`
381	`}`	381	`}`
382		382
383	`float gamma = 4.0;`	383	`float gamma = 4.0;`
384	`if(args.size()>3)`	384	`if(args.size()>3)`
385	`{`	385	`{`
386	`istringstream a0(args[0]);`	386	`istringstream a0(args[0]);`
387	`a0 >> gamma;`	387	`a0 >> gamma;`
388	`}`	388	`}`
389		389
390		390
391	`minimize_dihedral_angle(active_mesh(), iter, anneal, use_alpha, gamma);`	391	`minimize_dihedral_angle(active_mesh(), iter, anneal, use_alpha, gamma);`
392	`return "";`	392	`return "";`
393	`}`	393	`}`
394		394
395	`char* console_maximize_min_angle(std::vector<std::string> &args)`	395	`char* console_maximize_min_angle(std::vector<std::string> &args)`
396	`{`	396	`{`
397	`if(wantshelp(args))`	397	`if(wantshelp(args))`
398	`{`	398	`{`
399	`theConsole.Printf("usage: optimize.maximize_min_angle <thresh> <anneal>");`	399	`theConsole.Printf("usage: optimize.maximize_min_angle <thresh> <anneal>");`
400	`theConsole.Printf("Flip edges to maximize min angle - to make mesh more Delaunay.");`	400	`theConsole.Printf("Flip edges to maximize min angle - to make mesh more Delaunay.");`
401	`theConsole.Printf("If the dot product of the normals between adjacent faces < thresh");`	401	`theConsole.Printf("If the dot product of the normals between adjacent faces < thresh");`
402	`theConsole.Printf("no flip will be made. anneal selects simulated annealing rather ");`	402	`theConsole.Printf("no flip will be made. anneal selects simulated annealing rather ");`
403	`theConsole.Printf("nthan greedy optimization.");`	403	`theConsole.Printf("nthan greedy optimization.");`
404	`return "";`	404	`return "";`
405	`}`	405	`}`
406	`float thresh=0.0;`	406	`float thresh=0.0;`
407	`if(args.size()>0)`	407	`if(args.size()>0)`
408	`{`	408	`{`
409	`istringstream a0(args[0]);`	409	`istringstream a0(args[0]);`
410	`a0 >> thresh;`	410	`a0 >> thresh;`
411	`}`	411	`}`
412	`bool anneal=false;`	412	`bool anneal=false;`
413	`if(args.size()>1)`	413	`if(args.size()>1)`
414	`{`	414	`{`
415	`istringstream a0(args[0]);`	415	`istringstream a0(args[0]);`
416	`a0 >> anneal;`	416	`a0 >> anneal;`
417	`}`	417	`}`
418	`maximize_min_angle(active_mesh(),thresh,anneal);`	418	`maximize_min_angle(active_mesh(),thresh,anneal);`
419	`return "";`	419	`return "";`
420	`}`	420	`}`
421		421
422		422
423	`char* console_optimize_valency(std::vector<std::string> &args)`	423	`char* console_optimize_valency(std::vector<std::string> &args)`
424	`{`	424	`{`
425	`if(wantshelp(args))`	425	`if(wantshelp(args))`
426	`{`	426	`{`
427	`theConsole.Printf("usage: optimize.valency <anneal> ");`	427	`theConsole.Printf("usage: optimize.valency <anneal> ");`
428	`theConsole.Printf("Optimizes valency for triangle meshes. Anneal selects simulated annealing rather than greedy optim.");`	428	`theConsole.Printf("Optimizes valency for triangle meshes. Anneal selects simulated annealing rather than greedy optim.");`
429	`return "";`	429	`return "";`
430	`}`	430	`}`
431	`bool anneal=false;`	431	`bool anneal=false;`
432	`if(args.size()>0)`	432	`if(args.size()>0)`
433	`{`	433	`{`
434	`istringstream a0(args[0]);`	434	`istringstream a0(args[0]);`
435	`a0 >> anneal;`	435	`a0 >> anneal;`
436	`}`	436	`}`
437	`optimize_valency(active_mesh(), anneal);`	437	`optimize_valency(active_mesh(), anneal);`
438	`return "";`	438	`return "";`
439	`}`	439	`}`
440		440
441	`char* console_analyze(std::vector<std::string> &args)`	441	`char* console_analyze(std::vector<std::string> &args)`
442	`{`	442	`{`
443	`if(wantshelp(args))`	443	`if(wantshelp(args))`
444	`{`	444	`{`
445	`theConsole.Printf("usage: harmonics.analyze");`	445	`theConsole.Printf("usage: harmonics.analyze");`
446	`theConsole.Printf("Creates the Laplace Beltrami operator for the mesh and finds all eigensolutions.");`	446	`theConsole.Printf("Creates the Laplace Beltrami operator for the mesh and finds all eigensolutions.");`
447	`theConsole.Printf("It also projects the vertices onto the eigenvectors - thus transforming the mesh");`	447	`theConsole.Printf("It also projects the vertices onto the eigenvectors - thus transforming the mesh");`
448	`theConsole.Printf("to this basis.");`	448	`theConsole.Printf("to this basis.");`
449	`theConsole.Printf("Note that this will stall the computer for a large mesh - as long as we use Lapack.");`	449	`theConsole.Printf("Note that this will stall the computer for a large mesh - as long as we use Lapack.");`
450	`return "";`	450	`return "";`
451	`}`	451	`}`
452	`avo().harmonics_analyze_mesh();`	452	`avo().harmonics_analyze_mesh();`
453	`return "";`	453	`return "";`
454	`}`	454	`}`
455		455
456		456
457	`char* console_partial_reconstruct(std::vector<std::string> &args)`	457	`char* console_partial_reconstruct(std::vector<std::string> &args)`
458	`{`	458	`{`
459	`if(wantshelp(args))`	459	`if(wantshelp(args))`
460	`{`	460	`{`
461	`theConsole.Printf("usage: haramonics.partial_reconstruct <e0> <e1> <s>");`	461	`theConsole.Printf("usage: haramonics.partial_reconstruct <e0> <e1> <s>");`
462	`theConsole.Printf("Reconstruct from projections onto eigenvectors. The two first arguments indicate");`	462	`theConsole.Printf("Reconstruct from projections onto eigenvectors. The two first arguments indicate");`
463	`theConsole.Printf("the eigenvector interval that we reconstruct from. The last argument is the ");`	463	`theConsole.Printf("the eigenvector interval that we reconstruct from. The last argument is the ");`
464	`theConsole.Printf("scaling factor. Thus, for a vertex, v, the formula for computing the position, p, is:");`	464	`theConsole.Printf("scaling factor. Thus, for a vertex, v, the formula for computing the position, p, is:");`
465	`theConsole.Printf("for (i=e0; i<=e1;++i) p += proj[i] * Q[i][v] * s;");`	465	`theConsole.Printf("for (i=e0; i<=e1;++i) p += proj[i] * Q[i][v] * s;");`
466	`theConsole.Printf("where proj[i] is the 3D vector containing the x, y, and z projections of the mesh onto");`	466	`theConsole.Printf("where proj[i] is the 3D vector containing the x, y, and z projections of the mesh onto");`
467	`theConsole.Printf("eigenvector i. Q[i][v] is the v'th coordinate of the i'th eigenvector.");`	467	`theConsole.Printf("eigenvector i. Q[i][v] is the v'th coordinate of the i'th eigenvector.");`
468	`theConsole.Printf("Note that if vertex coordinates are not first reset, the result is probably unexpected.");`	468	`theConsole.Printf("Note that if vertex coordinates are not first reset, the result is probably unexpected.");`
469	`return "";`	469	`return "";`
470	`}`	470	`}`
471	`int E0,E1;`	471	`int E0,E1;`
472	`float scale;`	472	`float scale;`
473	`istringstream a0(args[0]);`	473	`istringstream a0(args[0]);`
474	`a0 >> E0;`	474	`a0 >> E0;`
475	`istringstream a1(args[1]);`	475	`istringstream a1(args[1]);`
476	`a1 >> E1;`	476	`a1 >> E1;`
477	`istringstream a2(args[2]);`	477	`istringstream a2(args[2]);`
478	`a2 >> scale;`	478	`a2 >> scale;`
479	`avo().harmonics_partial_reconstruct(E0,E1,scale);`	479	`avo().harmonics_partial_reconstruct(E0,E1,scale);`
480	`return "";`	480	`return "";`
481	`}`	481	`}`
482		482
483	`char* console_reset_shape(std::vector<std::string> &args)`	483	`char* console_reset_shape(std::vector<std::string> &args)`
484	`{`	484	`{`
485	`if(wantshelp(args))`	485	`if(wantshelp(args))`
486	`{`	486	`{`
487	`theConsole.Printf("usage: harmonics.reset_shape ");`	487	`theConsole.Printf("usage: harmonics.reset_shape ");`
488	`theConsole.Printf("Simply sets all vertices to 0,0,0. Call this before doing partial_reconstruct");`	488	`theConsole.Printf("Simply sets all vertices to 0,0,0. Call this before doing partial_reconstruct");`
489	`theConsole.Printf("unless you know what you are doing.");`	489	`theConsole.Printf("unless you know what you are doing.");`
490	`return "";`	490	`return "";`
491	`}`	491	`}`
492	`avo().harmonics_reset_shape();`	492	`avo().harmonics_reset_shape();`
493	`return "";`	493	`return "";`
494	`}`	494	`}`
495		495
496		496
497	`char* console_close_holes(std::vector<std::string> &args)`	497	`char* console_close_holes(std::vector<std::string> &args)`
498	`{`	498	`{`
499	`if(wantshelp(args))`	499	`if(wantshelp(args))`
500	`{`	500	`{`

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(root)/branches/wireframe-experiments/apps/MeshEdit/meshedit.cpp – Rev 391 → 393