volumeExplorer.cpp 11.5 KB
Newer Older
Sylvain Thery's avatar
Sylvain Thery committed
1 2 3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
Sylvain Thery's avatar
Sylvain Thery committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library is distributed in the hope that it will be useful, but WITHOUT  *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
20
* Web site: http://cgogn.unistra.fr/                                           *
Sylvain Thery's avatar
Sylvain Thery committed
21 22 23 24 25 26 27 28 29 30 31
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/


#include "volumeExplorer.h"
#include <iostream>

#include "Algo/Modelisation/primitives3d.h"
#include "Algo/Modelisation/polyhedron.h"
#include "Algo/Import/import.h"
32
#include "Algo/Geometry/volume.h"
Sylvain Thery's avatar
Sylvain Thery committed
33 34 35 36


PFP::MAP myMap;
PFP::TVEC3 position ;
37
PFP::TVEC3 color ;
Sylvain Thery's avatar
Sylvain Thery committed
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

void MyQT::volumes_onoff(bool x)
{
	render_volumes = !render_volumes;
	updateGL();
}

void MyQT::edges_onoff(bool x)
{
	render_edges = !render_edges;
	updateGL();
}

void MyQT::topo_onoff(bool x)
{
	render_topo = !render_topo;
	if (render_topo)
	{
		SelectorDartNoBoundary<PFP::MAP> nb(myMap);
57
		m_topo_render->updateData<PFP>(myMap, position, 0.8f, m_explode_factorf-0.05f, m_explode_factor, nb);
Sylvain Thery's avatar
Sylvain Thery committed
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
	}

	updateGL();
}

void MyQT::clipping_onoff(bool x)
{
	clip_volume = x;

	if (clip_volume)
	{
		Geom::Vec3f pos = m_PlanePick->getPosition();
		float pipo;
		Geom::Vec3f normal = m_PlanePick->getAxisScale(2, pipo); // 2 = Z axis = plane normal
		float d = -(pos*normal);
		m_explode_render->setClippingPlane(Geom::Vec4f(normal[0],normal[1],normal[2],d));
		m_topo_render->shader1()->setClipPlaneParamsAll(clip_id1, normal, pos);
		m_topo_render->shader2()->setClipPlaneParamsAll(clip_id2, normal, pos);
	}
	else
	{
		m_explode_render->setNoClippingPlane();
		m_topo_render->shader1()->setClipPlaneParamsAll(clip_id1, Geom::Vec3f(0,0,1), Geom::Vec3f(0,0,999999.9f));
		m_topo_render->shader2()->setClipPlaneParamsAll(clip_id2, Geom::Vec3f(0,0,1), Geom::Vec3f(0,0,999999.9f));
		m_topo_render->shader1()->setClipColorAttenuationFactorRelative(0.0f,0.0f);
		m_topo_render->shader2()->setClipColorAttenuationFactorRelative(0.0f,0.0f);
	}
	updateGL();
}

void MyQT::hide_onoff(bool x)
{
	hide_clipping = !hide_clipping;
	updateGL();
}


void MyQT::slider_explode(int x)
{
97
	m_explode_factor = 0.01f*(x+1)-0.0001f;
Sylvain Thery's avatar
Sylvain Thery committed
98 99 100 101
	m_explode_render->setExplodeVolumes(m_explode_factor);
	updateGL();
}

102 103 104 105 106 107 108
void MyQT::slider_explodeF(int x)
{
	m_explode_factorf = 0.01f*(x+1);
	m_explode_render->setExplodeFaces(m_explode_factorf);
	updateGL();
}

Sylvain Thery's avatar
Sylvain Thery committed
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124

void MyQT::slider_pressed()
{
	render_topoTemp = render_topo;
	render_topo = false;
	updateGL();
}


void MyQT::slider_released()
{

	render_topo = render_topoTemp;
	if (render_topo)
	{
		SelectorDartNoBoundary<PFP::MAP> nb(myMap);
125
		m_topo_render->updateData<PFP>(myMap, position, 0.8f, m_explode_factorf-0.05f, m_explode_factor, nb);
Sylvain Thery's avatar
Sylvain Thery committed
126 127 128 129 130 131 132 133 134 135 136 137
	}
	updateGL();
}


void MyQT::cb_initGL()
{
	// choose to use GL version 2
	Utils::GLSLShader::setCurrentOGLVersion(2);

	// create the renders
    m_topo_render = new Algo::Render::GL2::Topo3Render();
138
    m_explode_render = new Algo::Render::GL2::ExplodeVolumeRender(true,true);
Sylvain Thery's avatar
Sylvain Thery committed
139 140 141

	SelectorDartNoBoundary<PFP::MAP> nb(myMap);
	m_topo_render->updateData<PFP>(myMap, position,  0.8f, 0.8f, 0.8f, nb);
142
	m_explode_render->updateData<PFP>(myMap,position,color);
Sylvain Thery's avatar
Sylvain Thery committed
143
	m_explode_render->setExplodeVolumes(0.8f);
144
	m_explode_render->setExplodeFaces(0.9f);
Sylvain Thery's avatar
Sylvain Thery committed
145
	m_explode_render->setAmbiant(Geom::Vec4f(0.2f,0.2f,0.2f,1.0f));
146
	m_explode_render->setBackColor(Geom::Vec4f(0.9f,0.9f,0.9f,1.0f));
Sylvain Thery's avatar
Sylvain Thery committed
147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320
	m_explode_render->setColorLine(Geom::Vec4f(0.8f,0.2f,0.2f,1.0f));

	registerShader(m_explode_render->shaderFaces());
	registerShader(m_explode_render->shaderLines());

    m_PlanePick = new Utils::Pickable(Utils::Pickable::GRID,1);
	m_frame = new Utils::FrameManipulator();
	m_frame->setSize(m_WidthObj/2.0f);


	m_topo_render->shader1()->insertClippingCode();
	m_topo_render->shader2()->insertClippingCode();

	clip_id1 = m_topo_render->shader1()->addClipPlane();
	clip_id2 = m_topo_render->shader2()->addClipPlane();

	m_topo_render->shader1()->setClipPlaneParamsAll(clip_id1, Geom::Vec3f(0,0,1), m_PosObj);
	m_topo_render->shader2()->setClipPlaneParamsAll(clip_id2, Geom::Vec3f(0,0,1), m_PosObj);
	m_explode_render->setClippingPlane(Geom::Vec4f(0,0,1,m_PosObj*Geom::Vec3f(0,0,-1)));

}



void MyQT::cb_redraw()
{
	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
	glEnable(GL_LIGHTING);

	glEnable(GL_POLYGON_OFFSET_FILL);
	glPolygonOffset(1.0f, 1.0f);

	if (render_topo)
		m_topo_render->drawTopo();

	if (render_edges)
	{
		glLineWidth(2.0f);
		m_explode_render->drawEdges();
	}

	glDisable(GL_POLYGON_OFFSET_FILL);

	if (render_volumes)
	{
		m_explode_render->drawFaces();
	}

	if (clip_volume && !hide_clipping)
	{
		m_frame->draw();
		m_PlanePick->draw();
	}
}


void  MyQT::cb_mousePress(int button, int x, int y)
{
	if (!Shift())
		return;

	if (hide_clipping || !clip_volume)
		return;

	m_begX = x;
	m_begY = y;

	// get ray of selection
	Geom::Vec3f rayA,rayB;
	float dist = getOrthoScreenRay(x,y,rayA,rayB);
	Geom::Vec3f AB = rayB-rayA;

	unsigned int fr_picked =0;
	// picking the frame -> axis
	fr_picked = m_frame->pick(rayA,AB,dist);

	if (fr_picked != 0)
	{
		m_pickedAxis=fr_picked;
		m_frame->highlight(m_pickedAxis);
		m_frame->storeProjection(m_pickedAxis);
		updateGL();
	}
}

void  MyQT::cb_mouseRelease(int button, int x, int y)
{

	if (hide_clipping || !clip_volume)
		return;

	m_pickedAxis=0;
	m_frame->highlight(m_pickedAxis);
	updateGL();

}

void  MyQT::cb_mouseMove(int buttons, int x, int y)
{
	if (!Shift())
		return;

	if (hide_clipping || !clip_volume)
		return;

	// rotation selected ?
	if (Utils::FrameManipulator::rotationAxis(m_pickedAxis))
	{
		if (buttons&1)
		{
			float angle = m_frame->angleFromMouse(x,y,x-m_begX, y-m_begY);
			m_frame->rotate(m_pickedAxis, angle);
		}
		else if (buttons&2)
			m_frame->rotateInScreen(x-m_begX, y-m_begY);

		m_PlanePick->transfo() = m_frame->transfo();
	}
	// translation selected
	else if (Utils::FrameManipulator::translationAxis(m_pickedAxis))
	{
		if (buttons&1)
		{
			float dist =  m_frame->distanceFromMouse(x-m_begX, y-m_begY);
			m_frame->translate(m_pickedAxis, dist);
		}
		else if (buttons&2)
			m_frame->translateInScreen(x-m_begX, y-m_begY);

		m_PlanePick->transfo() = m_frame->transfo();
	}
	// scale selected
	else if (Utils::FrameManipulator::scaleAxis(m_pickedAxis) )
	{
		float scale = m_frame->scaleFromMouse(x-m_begX, y-m_begY);
		m_frame->scale(m_pickedAxis, scale );
		m_PlanePick->transfo() = m_frame->transfo();
	}

	Geom::Vec3f pos = m_PlanePick->getPosition();
	float pipo;
	Geom::Vec3f normal = m_PlanePick->getAxisScale(2, pipo); // 2 = Z axis = plane normal
	float d = -(pos*normal);
	m_explode_render->setClippingPlane(Geom::Vec4f(normal[0],normal[1],normal[2],d));

	m_topo_render->shader1()->setClipPlaneParamsAll(clip_id1, normal, pos);
	m_topo_render->shader2()->setClipPlaneParamsAll(clip_id2, normal, pos);

	m_begX = x;
	m_begY = y;
	updateGL();
	return;

}

int main(int argc, char **argv)
{
	if (argc>1)
	{
		std::vector<std::string> attrNames ;
		std::string filename(argv[1]);
		size_t pos = filename.rfind(".");    // position of "." in filename
		std::string extension = filename.substr(pos);

		if(extension == std::string(".tet"))
		{
			if(!Algo::Import::importTet<PFP>(myMap,argv[1],attrNames))
			{
				CGoGNerr << "could not import " << argv[1] << CGoGNendl ;
				return 1;
			}
			else
				position = myMap.getAttribute<PFP::VEC3>(VERTEX , attrNames[0]) ;
		}
321 322 323 324 325 326 327 328 329 330 331 332 333 334

		if(extension == std::string(".off"))
		{
			if(!Algo::Import::importMeshToExtrude<PFP>(myMap, argv[1], attrNames))
			{
				std::cerr << "could not import "  << std::endl ;
				return 1;
			}
			else
			{
				position = myMap.getAttribute<PFP::VEC3>(VERTEX , attrNames[0]) ;
				myMap.closeMap();
			}
		}
untereiner's avatar
untereiner committed
335

336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351
		color = myMap.addAttribute<PFP::VEC3>(VOLUME, "color");

		TraversorCell<PFP::MAP> tra(myMap,VOLUME);
		float maxV=0.0f;
		for (Dart d = tra.begin(); d != tra.end(); d=tra.next())
		{
			float v = Algo::Geometry::tetrahedronVolume<PFP>(myMap,d,position);
			color[d] = PFP::VEC3(v,0,0);
			if (v>maxV)
				maxV=v;
		}
		for (unsigned int i = color.begin(); i!=color.end(); color.next(i))
		{
			color[i][0] /= maxV;
			color[i][2] = 1.0f -color[i][0];
		}
Sylvain Thery's avatar
Sylvain Thery committed
352 353 354 355 356
	}
	else
	{
		position = myMap.addAttribute<PFP::VEC3>(VERTEX, "position");
		Algo::Modelisation::Primitive3D<PFP> prim(myMap, position);
357
		int nb = 8;
Sylvain Thery's avatar
Sylvain Thery committed
358 359
		prim.hexaGrid_topo(nb,nb,nb);
		prim.embedHexaGrid(1.0f,1.0f,1.0f);
360 361 362 363 364

		color = myMap.addAttribute<PFP::VEC3>(VOLUME, "color");
		TraversorCell<PFP::MAP> tra(myMap,VOLUME);
		for (Dart d = tra.begin(); d != tra.end(); d=tra.next())
			color[d] = position[d] + PFP::VEC3(0.5,0.5,0.5);
Sylvain Thery's avatar
Sylvain Thery committed
365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393
	}
    // un peu d'interface
	QApplication app(argc, argv);
	MyQT sqt;

	// interface de tuto5.ui
    Utils::QT::uiDockInterface dock;
    sqt.setDock(&dock);


	//  bounding box
    Geom::BoundingBox<PFP::VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position);
    sqt.m_WidthObj = std::max<PFP::REAL>(std::max<PFP::REAL>(bb.size(0), bb.size(1)), bb.size(2));
    sqt.m_PosObj = (bb.min() +  bb.max()) / PFP::REAL(2);

    // envoit info BB a l'interface
	sqt.setParamObject(sqt.m_WidthObj, sqt.m_PosObj.data());

	sqt.setCallBack( dock.checkBox_volumes, SIGNAL(toggled(bool)), SLOT(volumes_onoff(bool)) );
	sqt.setCallBack( dock.checkBox_edges, SIGNAL(toggled(bool)), SLOT(edges_onoff(bool)) );
	sqt.setCallBack( dock.checkBox_topo, SIGNAL(toggled(bool)), SLOT(topo_onoff(bool)) );

	sqt.setCallBack( dock.checkBox_hide, SIGNAL(toggled(bool)), SLOT(hide_onoff(bool)) );
	sqt.setCallBack( dock.checkBox_plane, SIGNAL(toggled(bool)), SLOT(clipping_onoff(bool)) );
	sqt.setCallBack( dock.slider_explode, SIGNAL(valueChanged(int)), SLOT(slider_explode(int)) );

	sqt.setCallBack( dock.slider_explode, SIGNAL(sliderPressed()), SLOT(slider_pressed()) );
	sqt.setCallBack( dock.slider_explode, SIGNAL(sliderReleased()), SLOT(slider_released()) );

394 395 396 397 398 399
	sqt.setCallBack( dock.slider_explode_face, SIGNAL(valueChanged(int)), SLOT(slider_explodeF(int)) );

	sqt.setCallBack( dock.slider_explode_face, SIGNAL(sliderPressed()), SLOT(slider_pressed()) );
	sqt.setCallBack( dock.slider_explode_face, SIGNAL(sliderReleased()), SLOT(slider_released()) );


Sylvain Thery's avatar
Sylvain Thery committed
400 401 402

	sqt.show();
	dock.slider_explode->setValue(80);
403
	dock.slider_explode_face->setValue(80);
Sylvain Thery's avatar
Sylvain Thery committed
404 405 406 407 408
	sqt.clipping_onoff(true);

	// et on attend la fin.
	return app.exec();
}