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DistortionSetupStrategyProjectSyntropy.cpp @ 410

Last change on this file since 410 was 410, checked in by Torben Dannhauer, 12 years ago
New Distortion setup strategy added: distortionNG can now handle configuration files of "Projection Designer"
File size: 13.0 KB

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1	/* osgVisual test. distortionNG, experimental.
2	*
3	* Permission is hereby granted, free of charge, to any person obtaining a copy
4	* of this software and associated documentation files (the "Software"), to deal
5	* in the Software without restriction, including without limitation the rights
6	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7	* copies of the Software, and to permit persons to whom the Software is
8	* furnished to do so, subject to the following conditions:
9	*
10	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
11	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
12	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
13	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
14	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
15	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
16	* THE SOFTWARE.
17	*/
18
19	#include <osg/Vec3d>
20	#include <osg/ImageUtils>
21	#include <osgDB/FileUtils>
22	#include <osgDB/ReadFile>
23	#include <osgDB/fstream>
24
25	#include "DistortionSetupStrategyProjectSyntropy.h"
26
27	DistortionSetupStrategyProjectSyntropy::DistortionSetupStrategyProjectSyntropy()
28	{
29	_blendmapFilename = "";
30	_frustumFilename = "";
31	_distortionFilename = "";
32
33	_distortionInitialized=false;
34	}
35
36	DistortionSetupStrategyProjectSyntropy::~DistortionSetupStrategyProjectSyntropy()
37	{
38
39	}
40
41	void DistortionSetupStrategyProjectSyntropy::setDistortionInputFiles(std::string distortionFile, std::string blendmapFile, std::string frustumFile)
42	{
43	_blendmapFilename = blendmapFile;
44	_frustumFilename = frustumFile;
45	_distortionFilename = distortionFile;
46	}
47
48	int DistortionSetupStrategyProjectSyntropy::readFrustumFromCSVFile(std::string filePath, int numValues, float* frustumValues)
49	{
50	int numSeparator=0;
51	std::string line, valueString;
52	char separator=';';
53	size_t valueStart, valueEnd;
54
55	osgDB::ifstream inputFile (const_cast<char*>(filePath.c_str()));
56
57	for (int i=0;i<numValues; i++) frustumValues[i]=0.0;
58
59	if (inputFile.is_open())
60	{
61	inputFile.clear();
62	inputFile.seekg (0, std::ios::beg);
63
64	while (!inputFile.eof())
65	{
66	getline (inputFile,line);
67
68	if((line.size()>0) && (line.find('x')==std::string::npos))
69	{new osg::Vec2Array;
70	numSeparator=0;
71	for (size_t numLineChar=0; numLineChar < line.length(); numLineChar++)
72	{
73	if(line.at(numLineChar)==separator) numSeparator++;
74	}
75	if(numSeparator!=numValues-1) //Number of Entries per Line is not correct
76	{
77	OSG_ALWAYS<< "Inconsistency in file " << filePath << " detected. Please check this file." <<std::endl;
78	return 1;
79	}
80	valueStart=0;
81	valueEnd=0;
82	for (int j=0;j<numValues; j++)
83	{
84	if(j!=numValues-1)
85	{
86	if((valueEnd=line.find(separator,valueStart))!=std::string::npos)
87	{
88	valueString=line.substr(valueStart,valueEnd-valueStart);
89	valueStart=valueEnd+1;
90	}
91	}
92	else valueString=line.substr(valueStart,line.size());
93
94	frustumValues[j]=atof(const_cast<char*>(valueString.c_str()));
95	}
96	}
97	}
98	inputFile.close();
99	}
100	else //File couldn't be loaded
101	{
102	OSG_ALWAYS<< "Unable to open " << filePath << std::endl;
103	return 1;
104	}
105	return 0;
106	}
107
108	int DistortionSetupStrategyProjectSyntropy::readMeshDimensionsFromCSVFile(std::string filePath, int* meshRows, int* meshColumns)
109	{
110	int tempRows=0, tempCols=0, numSeparator=0, numValues=6;
111	std::string line, valueString;
112	char separator=';';
113	size_t valueStart, valueEnd;
114
115	osgDB::ifstream inputFile (const_cast<char*>(filePath.c_str()));
116
117	if (inputFile.is_open())
118	{
119	inputFile.clear();
120	inputFile.seekg (0, std::ios::beg);
121
122	while (!inputFile.eof())
123	{
124	getline (inputFile,line);
125
126	if((line.size()>0) && (line.find('x')==std::string::npos))
127	{
128	numSeparator=0;
129	for (size_t numLineChar=0; numLineChar < line.length(); numLineChar++)
130	{
131	if(line.at(numLineChar)==separator) numSeparator++;
132	}
133	if(numSeparator!=numValues-1) //Number of Entries per Line is not correct
134	{
135	OSG_ALWAYS<< "Inconsistency in file " << filePath << " detected. Please check this file." <<std::endl;
136	return 1;
137	}
138	//Get number of rows of the distortion grid, last valid line of input file contains actual value
139	valueStart=line.rfind(separator,line.size());
140	valueString=line.substr(valueStart+1,line.size()-valueStart-1);
141	tempRows=atoi(const_cast<char*>(valueString.c_str()));
142	if(tempRows>meshRows) meshRows=tempRows;
143
144	//Get number of columns of the distortion grid, last valid line of input file contains actual value
145	valueEnd=valueStart-1;
146	valueStart=line.rfind(separator,valueEnd);
147	valueString=line.substr(valueStart+1,valueEnd-valueStart);
148	tempCols=atoi(const_cast<char*>(valueString.c_str()));
149	if(tempCols>meshColumns) meshColumns=tempCols;
150	}
151
152	}
153	inputFile.close();
154	}
155	else //File couldn't be loaded
156	{
157	OSG_ALWAYS<< "Unable to open " << filePath << std::endl;
158	return 1;
159	}
160
161	*meshColumns+=1;
162	*meshRows+=1;
163
164	return 0;
165	}
166
167	int DistortionSetupStrategyProjectSyntropy::readMeshPointsFromCSVFile(std::string filePath, osg::Vec4Array* tmpMesh)
168	{
169	int numValues=6;
170	std::string line, valueString;
171	char separator=';';
172	float* values = new float[numValues];
173	size_t valueStart, valueEnd;
174	osg::Vec2 tempVec2;
175	osg::Vec3 tempVec3;
176
177	osgDB::ifstream inputFile (const_cast<char*>(filePath.c_str()));
178
179	if (inputFile.is_open())
180	{
181	inputFile.clear();
182	inputFile.seekg (0, std::ios::beg);
183
184	while (!inputFile.eof())
185	{
186	getline (inputFile,line);
187
188	if((line.size()>0) && (line.find('x')==std::string::npos))
189	{
190	for (int i=0;i<numValues; i++) values[i]=0.0;
191
192	valueStart=0;
193	valueEnd=0;
194	for (int j=0;j<numValues; j++)
195	{
196	if(j!=numValues-1)
197	{
198	if((valueEnd=line.find(separator,valueStart))!=std::string::npos)
199	{
200	valueString=line.substr(valueStart,valueEnd-valueStart);
201	valueStart=valueEnd+1;
202	}
203	}
204	else valueString=line.substr(valueStart,line.size());
205
206	values[j]=atof(const_cast<char*>(valueString.c_str()));
207	}
208
209	// Store values into array
210	tmpMesh->push_back(osg::Vec4(values[0], 1.0-values[1], values[2], 1.0-values[3]));
211	}
212	}
213	inputFile.close();
214	}
215	else
216	{
217	OSG_ALWAYS<< "Unable to open " << filePath << std::endl;
218	return 1;
219	}
220
221	return 0;
222	}
223
224	void DistortionSetupStrategyProjectSyntropy::delegateDistortionSetup(osgViewer::DistortionSet* distortionSet)
225	{
226	if(distortionSet == NULL)
227	{
228	OSG_ALWAYS<<"DistortionSetupStrategyProjectSyntropy::delegateDistortionSetup : Invalid DistortionSet"<<std::endl;
229	return;
230	}
231
232	if( _blendmapFilename.empty() \|\| _frustumFilename.empty() \|\| _distortionFilename.empty() )
233	{
234	OSG_ALWAYS<<"DistortionSetupStrategyProjectSyntropy::delegateDistortionSetup : You have not specified the imput filenames correctly!"<<std::endl;
235	return;
236	}
237
238	if( !osgDB::fileExists(_blendmapFilename) \|\| !osgDB::fileExists(_frustumFilename) \|\| !osgDB::fileExists(_distortionFilename) )
239	{
240	OSG_ALWAYS<<"DistortionSetupStrategyProjectionDesigner::delegateDistortionSetup : One of the specified input files does not exist!"<<std::endl;
241	return;
242	}
243
244	//OSG_ALWAYS<<"drin"<<std::endl;
245
246	if (_distortionInitialized==false )
247	{
248	_distortionInitialized=true;
249	distortionSet->dirtyMesh();
250	distortionSet->dirtyMatrix();
251
252
253	// ******************** //
254	// * IntensityMap * //
255	// ******************** //
256
257	osg::Image* intensityMap=NULL;
258	intensityMap=osgDB::readImageFile(_blendmapFilename);
259	osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
260	if (!wsi)
261	{
262	OSG_NOTICE<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
263	return;
264	}
265
266	osg::GraphicsContext::ScreenIdentifier si;
267	si.readDISPLAY();
268
269	if (si.displayNum<0) si.displayNum = 0;
270
271	si.screenNum = 0; //Fixed value, may be replaced later
272
273	unsigned int width=0, height=0;
274	wsi->getScreenResolution(si, width, height);
275
276	if(intensityMap->s()!=width \|\| intensityMap->t()!=height)
277	intensityMap->scaleImage(width, height, intensityMap->r());
278
279	// Copy image data and flag as dirty to update texture.
280	osg::copyImage(intensityMap, 0, 0, 0, intensityMap->s(), intensityMap->t(), intensityMap->r(), distortionSet->getIntensityMap(), 0, 0, 0, true);
281	distortionSet->getIntensityMap()->dirty();
282
283	// ******************************* //
284	// * Frustum and View Offset * //
285	// ******************************* //
286
287	//....Read Files and set parameters
288	int numFrustumValues=16;
289	float* frustumValues = new float[numFrustumValues];
290	double zNear=1.0, zFar=1000.0;
291
292	readFrustumFromCSVFile(_frustumFilename, numFrustumValues, frustumValues);
293
294	osg::Matrixd viewOffset=osg::Matrix::identity();
295	osg::Matrixd projectionOffset=osg::Matrixd();
296
297	// View Offset Parameters: x, y, z, heading, pitch, bank
298	// Translational Parameters are defines in millimeters (->Correction required?!)
299	// Coordinate System / Directions may be looked up in "Koordinatensystem.png", trans/rot order confirmed bei PS
300	osg::Matrixd rotViewOffset=osg::Matrixd();
301	rotViewOffset.makeRotate(
302	osg::DegreesToRadians(frustumValues[3]), osg::Vec3(0,1,0), // heading
303	osg::DegreesToRadians(-frustumValues[4]), osg::Vec3(1,0,0), // pitch
304	osg::DegreesToRadians(frustumValues[5]), osg::Vec3(0,0,1)); // roll
305
306	osg::Matrixd transViewOffset=osg::Matrixd();
307	transViewOffset.makeTranslate( frustumValues[0], frustumValues[1], frustumValues[2]);
308
309	viewOffset = viewOffset * rotViewOffset; // * transViewOffset;
310
311	//Frustum Parameters: Left, Right, Bottom, Top, zNear, zFar.
312	// Important: By definition of OpenGL, Left, Right, Bottom and Top must be set as tangens, multiplied by zNear!
313	projectionOffset.makeFrustum(frustumValues[10] * zNear, frustumValues[11] * zNear, frustumValues[12] * zNear, frustumValues[13] * zNear, zNear, zFar);
314
315	distortionSet->setViewOffset(viewOffset);
316	distortionSet->setProjectionOffset(projectionOffset);
317
318	// ******************************* //
319	// ***** Distortion Mesh ***** //
320	// ******************************* //
321
322	osg::Geometry* distortionMeshGeometry = distortionSet->getDistortionInternals()->getChild(osgViewer::DistortionSet::MESH)->asGeode()->getDrawable(0)->asGeometry();
323	if(distortionMeshGeometry)
324	{
325	//*******************************************************************************************//
326	//* PRINT VERTEXARRAY/TEXCOORDARRAY for Debug Purposes *//
327	//* both Arrays are listed in "HorizontalLine-after-HorizontalLine" order, *//
328	//* sorted from topleft (0,0,0 vertices; 0,0 texcoords) to bottomright *//
329	//* (1920,1080,0 vertices; 1,1 texcoords) *//
330	//*******************************************************************************************//
331
332	#if 0
333	osg::Vec3Array* vertices = (osg::Vec3Array*) distortionMeshGeometry->getVertexArray();
334	osg::Vec2Array* texcoords0 = (osg::Vec2Array*) distortionMeshGeometry->getTexCoordArray(0);
335
336	for (osg::Vec3Array::iterator it = vertices->begin(); it != vertices->end(); ++it)
337	{
338	OSG_ALWAYS<<"Vertice "<<(it).x()<<" "<<(it).y()<<" "<<(*it).z()<<std::endl;
339	}
340
341	for (osg::Vec2Array::iterator it = texcoords0->begin(); it != texcoords0->end(); ++it)
342	{
343	OSG_ALWAYS<<"Texcoord "<<(it).x()<<" "<<(it).y()<<std::endl;
344	}
345	#endif
346
347	//*******************************************************************************************//
348	//* MESH WARPING *//
349	//*** Both Vertex Warping and Texcoord Warping is supported.
350	//* The input file contains . Although there might *//
351	//* be a preferred version for osgvisual, both options should be implemented in osg *//
352	//*******************************************************************************************//
353
354	// Exctract mesh dimensions from file and pass them to the container.
355
356	int distortionMeshRows=0, distortionMeshColumns=0;
357	readMeshDimensionsFromCSVFile(_distortionFilename, &distortionMeshRows, &distortionMeshColumns);
358
359	distortionSet->setDistortionMeshRows(distortionMeshRows);
360	distortionSet->setDistortionMeshColumns(distortionMeshColumns);
361
362	// Read in the mesh arrays
363	osg::Vec4Array* distortionMesh = new osg::Vec4Array;
364	readMeshPointsFromCSVFile(_distortionFilename, distortionMesh);
365
366	#if 0
367	for (osg::Vec4Array::iterator it = distortionMesh->begin(); it != distortionMesh->end(); ++it)
368	{
369	OSG_ALWAYS<<"final vector: "<<(it).x()<<" "<<(it).y()<<" "<<(it).z()<<" "<<(it).w()<<std::endl;
370	}
371	#endif
372
373
374	distortionSet->setDistortionMesh(distortionMesh);
375	distortionSet->setDistortionMeshDimensions(distortionMeshRows, distortionMeshColumns);
376	}
377	}
378	}

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source: experimental/distortionNG/DistortionSetupStrategyProjectSyntropy.cpp @ 410

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