int main(int argc, char *argv[])
{
// parse arguments
const char * optstring = "alho:npqsv:m";
int c;
string output;
bool doPairwise = false;
bool doAutoOpt = false;
bool doNormalOpt = false;
bool doLevel = false;
bool chooseProj = false;
bool quiet = false;
bool doPhotometric = false;
double hfov = 0.0;
while ((c = getopt (argc, argv, optstring)) != -1)
{
switch (c) {
case 'o':
output = optarg;
break;
case 'h':
usage(argv[0]);
return 0;
case 'p':
doPairwise = true;
break;
case 'a':
doAutoOpt = true;
break;
case 'n':
doNormalOpt = true;
break;
case 'l':
doLevel = true;
break;
case 's':
chooseProj = true;
break;
case 'q':
quiet = true;
break;
case 'v':
hfov = atof(optarg);
break;
case 'm':
doPhotometric = true;
break;
default:
abort ();
}
}
if (argc - optind != 1) {
usage(argv[0]);
return 1;
}
const char * scriptFile = argv[optind];
Panorama pano;
if (scriptFile[0] == '-') {
DocumentData::ReadWriteError err = pano.readData(std::cin);
if (err != DocumentData::SUCCESSFUL) {
cerr << "error while reading script file from stdin." << endl;
cerr << "DocumentData::ReadWriteError code: " << err << endl;
return 1;
}
} else {
ifstream prjfile(scriptFile);
if (!prjfile.good()) {
cerr << "could not open script : " << scriptFile << endl;
return 1;
}
pano.setFilePrefix(hugin_utils::getPathPrefix(scriptFile));
DocumentData::ReadWriteError err = pano.readData(prjfile);
if (err != DocumentData::SUCCESSFUL) {
cerr << "error while parsing panos tool script: " << scriptFile << endl;
cerr << "DocumentData::ReadWriteError code: " << err << endl;
return 1;
}
}
if (pano.getNrOfImages() == 0) {
cerr << "Panorama should consist of at least one image" << endl;
return 1;
}
// for bad HFOV (from autopano-SIFT)
for (unsigned i=0; i < pano.getNrOfImages(); i++) {
SrcPanoImage img = pano.getSrcImage(i);
if (img.getProjection() == SrcPanoImage::RECTILINEAR
&& img.getHFOV() >= 180)
{
// something is wrong here, try to read from exif data
double focalLength = 0;
double cropFactor = 0;
cerr << "HFOV of image " << img.getFilename() << " invalid, trying to read EXIF tags" << endl;
bool ok = img.readEXIF(focalLength, cropFactor, true, false);
if (! ok) {
if (hfov) {
img.setHFOV(hfov);
} else {
cerr << "EXIF reading failed, please specify HFOV with -v" << endl;
return 1;
}
}
pano.setSrcImage(i, img);
}
}
if(pano.getNrOfCtrlPoints()==0 && (doPairwise || doAutoOpt || doNormalOpt))
{
cerr << "Panorama have to have control points to optimise positions" << endl;
return 1;
};
if (doPairwise && ! doAutoOpt) {
// do pairwise optimisation
set<string> optvars;
optvars.insert("r");
optvars.insert("p");
optvars.insert("y");
AutoOptimise::autoOptimise(pano);
// do global optimisation
if (!quiet) std::cerr << "*** Pairwise position optimisation" << endl;
PTools::optimize(pano);
} else if (doAutoOpt) {
if (!quiet) std::cerr << "*** Adaptive geometric optimisation" << endl;
SmartOptimise::smartOptimize(pano);
} else if (doNormalOpt) {
if (!quiet) std::cerr << "*** Optimising parameters specified in PTO file" << endl;
PTools::optimize(pano);
} else {
if (!quiet) std::cerr << "*** Geometric parameters not optimized" << endl;
}
if (doLevel)
{
bool hasVerticalLines=false;
CPVector allCP=pano.getCtrlPoints();
if(allCP.size()>0 && (doPairwise || doAutoOpt || doNormalOpt))
{
for(size_t i=0;i<allCP.size() && !hasVerticalLines;i++)
{
hasVerticalLines=(allCP[i].mode==ControlPoint::X);
};
};
// straighten only if there are no vertical control points
if(hasVerticalLines)
{
cout << "Skipping automatic leveling because of existing vertical control points." << endl;
}
else
{
StraightenPanorama(pano).run();
CenterHorizontally(pano).run();
};
}
if (chooseProj) {
PanoramaOptions opts = pano.getOptions();
double hfov, vfov;
CalculateFitPanorama fitPano = CalculateFitPanorama(pano);
fitPano.run();
opts.setHFOV(fitPano.getResultHorizontalFOV());
opts.setHeight(roundi(fitPano.getResultHeight()));
vfov = opts.getVFOV();
hfov = opts.getHFOV();
// avoid perspective projection if field of view > 100 deg
double mf = 100;
if (vfov < mf) {
// cylindrical or rectilinear
if (hfov < mf) {
opts.setProjection(PanoramaOptions::RECTILINEAR);
} else {
opts.setProjection(PanoramaOptions::CYLINDRICAL);
}
}
// downscale pano a little
double sizeFactor = 0.7;
pano.setOptions(opts);
double w = CalculateOptimalScale::calcOptimalScale(pano);
opts.setWidth(roundi(opts.getWidth()*w*sizeFactor), true);
pano.setOptions(opts);
}
if(doPhotometric)
{
// photometric estimation
PanoramaOptions opts = pano.getOptions();
int nPoints = 200;
int pyrLevel=3;
bool randomPoints = true;
nPoints = nPoints * pano.getNrOfImages();
std::vector<vigra_ext::PointPairRGB> points;
ProgressDisplay *progressDisplay;
if(!quiet)
progressDisplay=new StreamProgressDisplay(std::cout);
else
progressDisplay=new DummyProgressDisplay();
try
{
loadImgsAndExtractPoints(pano, nPoints, pyrLevel, randomPoints, *progressDisplay, points, !quiet);
}
catch (std::exception & e)
{
cerr << "caught exception: " << e.what() << endl;
return 1;
};
if(!quiet)
cout << "\rSelected " << points.size() << " points" << endl;
if (points.size() == 0)
{
cerr << "Error: no overlapping points found, exiting" << endl;
return 1;
}
progressDisplay->startSubtask("Photometric Optimization", 0.0);
// first, ensure that vignetting and response coefficients are linked
const HuginBase::ImageVariableGroup::ImageVariableEnum vars[] = {
HuginBase::ImageVariableGroup::IVE_EMoRParams,
HuginBase::ImageVariableGroup::IVE_ResponseType,
HuginBase::ImageVariableGroup::IVE_VigCorrMode,
HuginBase::ImageVariableGroup::IVE_RadialVigCorrCoeff,
HuginBase::ImageVariableGroup::IVE_RadialVigCorrCenterShift
};
HuginBase::StandardImageVariableGroups variable_groups(pano);
HuginBase::ImageVariableGroup & lenses = variable_groups.getLenses();
for (size_t i = 0; i < lenses.getNumberOfParts(); i++)
{
std::set<HuginBase::ImageVariableGroup::ImageVariableEnum> links_needed;
links_needed.clear();
for (int v = 0; v < 5; v++)
{
if (!lenses.getVarLinkedInPart(vars[v], i))
{
links_needed.insert(vars[v]);
}
};
if (!links_needed.empty())
{
std::set<HuginBase::ImageVariableGroup::ImageVariableEnum>::iterator it;
for (it = links_needed.begin(); it != links_needed.end(); it++)
{
lenses.linkVariablePart(*it, i);
}
}
}
HuginBase::SmartPhotometricOptimizer::PhotometricOptimizeMode optmode =
HuginBase::SmartPhotometricOptimizer::OPT_PHOTOMETRIC_LDR;
if (opts.outputMode == PanoramaOptions::OUTPUT_HDR)
{
optmode = HuginBase::SmartPhotometricOptimizer::OPT_PHOTOMETRIC_HDR;
}
SmartPhotometricOptimizer photoOpt(pano, progressDisplay, pano.getOptimizeVector(), points, optmode);
photoOpt.run();
// calculate the mean exposure.
opts.outputExposureValue = CalculateMeanExposure::calcMeanExposure(pano);
pano.setOptions(opts);
progressDisplay->finishSubtask();
delete progressDisplay;
};
// write result
OptimizeVector optvec = pano.getOptimizeVector();
UIntSet imgs;
fill_set(imgs,0, pano.getNrOfImages()-1);
if (output != "") {
ofstream of(output.c_str());
pano.printPanoramaScript(of, optvec, pano.getOptions(), imgs, false, hugin_utils::getPathPrefix(scriptFile));
} else {
pano.printPanoramaScript(cout, optvec, pano.getOptions(), imgs, false, hugin_utils::getPathPrefix(scriptFile));
}
return 0;
}
bool PanoDetector::matchMultiRow(PoolExecutor& aExecutor)
{
//step 1
std::vector<HuginBase::UIntSet> checkedImagePairs(_panoramaInfo->getNrOfImages());
std::vector<stack_img> stack_images;
HuginBase::StandardImageVariableGroups* variable_groups = new HuginBase::StandardImageVariableGroups(*_panoramaInfo);
for(unsigned int i=0; i<_panoramaInfo->getNrOfImages(); i++)
{
unsigned int stack_nr=variable_groups->getStacks().getPartNumber(i);
//check, if this stack is already in list
bool found=false;
unsigned int index=0;
for(index=0; index<stack_images.size(); index++)
{
found=(stack_images[index].layer_nr==stack_nr);
if(found)
{
break;
};
};
if(!found)
{
//new stack
stack_images.resize(stack_images.size()+1);
index=stack_images.size()-1;
//add new stack
stack_images[index].layer_nr=stack_nr;
};
//add new image
unsigned int new_image_index=stack_images[index].images.size();
stack_images[index].images.resize(new_image_index+1);
stack_images[index].images[new_image_index].img_nr=i;
stack_images[index].images[new_image_index].ev=_panoramaInfo->getImage(i).getExposure();
};
delete variable_groups;
//get image with median exposure for search with cp generator
vector<size_t> images_layer;
UIntSet images_layer_set;
for(unsigned int i=0; i<stack_images.size(); i++)
{
std::sort(stack_images[i].images.begin(),stack_images[i].images.end(),sort_img_ev);
unsigned int index=0;
if(stack_images[i].images[0].ev!=stack_images[i].images[stack_images[i].images.size()-1].ev)
{
index=stack_images[i].images.size() / 2;
};
images_layer.push_back(stack_images[i].images[index].img_nr);
images_layer_set.insert(stack_images[i].images[index].img_nr);
if(stack_images[i].images.size()>1)
{
//build match list for stacks
for(unsigned int j=0; j<stack_images[i].images.size()-1; j++)
{
size_t img1=stack_images[i].images[j].img_nr;
size_t img2=stack_images[i].images[j+1].img_nr;
_matchesData.push_back(MatchData());
MatchData& aM=_matchesData.back();
aM._i1=&(_filesData[img1]);
aM._i2=&(_filesData[img2]);
checkedImagePairs[img1].insert(img2);
checkedImagePairs[img2].insert(img1);
};
};
};
//build match data list for image pairs
if(images_layer.size()>1)
{
std::sort(images_layer.begin(), images_layer.end());
for(unsigned int i=0; i<images_layer.size()-1; i++)
{
size_t img1=images_layer[i];
size_t img2=images_layer[i+1];
_matchesData.push_back(MatchData());
MatchData& aM = _matchesData.back();
aM._i1 = &(_filesData[img1]);
aM._i2 = &(_filesData[img2]);
checkedImagePairs[img1].insert(img2);
checkedImagePairs[img2].insert(img1);
};
};
TRACE_INFO(endl<< "--- Find matches ---" << endl);
try
{
BOOST_FOREACH(MatchData& aMD, _matchesData)
aExecutor.execute(new MatchDataRunnable(aMD, *this));
aExecutor.wait();
}
catch(Synchronization_Exception& e)
{
TRACE_ERROR(e.what() << endl);
return false;
}
// Add detected matches to _panoramaInfo
BOOST_FOREACH(MatchData& aM, _matchesData)
BOOST_FOREACH(lfeat::PointMatchPtr& aPM, aM._matches)
_panoramaInfo->addCtrlPoint(ControlPoint(aM._i1->_number, aPM->_img1_x, aPM->_img1_y,
aM._i2->_number, aPM->_img2_x, aPM->_img2_y));
// step 2: connect all image groups
_matchesData.clear();
Panorama mediumPano=_panoramaInfo->getSubset(images_layer_set);
CPGraph graph;
createCPGraph(mediumPano, graph);
CPComponents comps;
unsigned int n = findCPComponents(graph, comps);
if(n>1)
{
vector<unsigned int> ImagesGroups;
for(unsigned int i=0; i<n; i++)
{
ImagesGroups.push_back(images_layer[*(comps[i].begin())]);
if(comps[i].size()>1)
{
ImagesGroups.push_back(images_layer[*(comps[i].rbegin())]);
}
};
for(unsigned int i=0; i<ImagesGroups.size()-1; i++)
{
for(unsigned int j=i+1; j<ImagesGroups.size(); j++)
{
size_t img1=ImagesGroups[i];
size_t img2=ImagesGroups[j];
//skip already checked image pairs
if(set_contains(checkedImagePairs[img1],img2))
{
continue;
};
_matchesData.push_back(MatchData());
MatchData& aM = _matchesData.back();
aM._i1 = &(_filesData[img1]);
aM._i2 = &(_filesData[img2]);
checkedImagePairs[img1].insert(img2);
checkedImagePairs[img2].insert(img1);
};
};
TRACE_INFO(endl<< "--- Find matches in images groups ---" << endl);
try
{
BOOST_FOREACH(MatchData& aMD, _matchesData)
aExecutor.execute(new MatchDataRunnable(aMD, *this));
aExecutor.wait();
}
catch(Synchronization_Exception& e)
{
TRACE_ERROR(e.what() << endl);
return false;
}
BOOST_FOREACH(MatchData& aM, _matchesData)
BOOST_FOREACH(lfeat::PointMatchPtr& aPM, aM._matches)
_panoramaInfo->addCtrlPoint(ControlPoint(aM._i1->_number, aPM->_img1_x, aPM->_img1_y,
aM._i2->_number, aPM->_img2_x, aPM->_img2_y));
};
// step 3: now connect all overlapping images
_matchesData.clear();
PT::Panorama optPano=_panoramaInfo->getSubset(images_layer_set);
createCPGraph(optPano, graph);
if(findCPComponents(graph, comps)==1)
{
if(images_layer.size()>2)
{
//reset translation parameters
VariableMapVector varMapVec=optPano.getVariables();
for(size_t i=0; i<varMapVec.size(); i++)
{
map_get(varMapVec[i], "TrX").setValue(0);
map_get(varMapVec[i], "TrY").setValue(0);
map_get(varMapVec[i], "TrZ").setValue(0);
};
optPano.updateVariables(varMapVec);
//next steps happens only when all images are connected;
//now optimize panorama
PanoramaOptions opts = optPano.getOptions();
opts.setProjection(PanoramaOptions::EQUIRECTANGULAR);
opts.optimizeReferenceImage=0;
// calculate proper scaling, 1:1 resolution.
// Otherwise optimizer distances are meaningless.
opts.setWidth(30000, false);
opts.setHeight(15000);
optPano.setOptions(opts);
int w = optPano.calcOptimalWidth();
opts.setWidth(w);
opts.setHeight(w/2);
optPano.setOptions(opts);
//generate optimize vector, optimize only yaw and pitch
OptimizeVector optvars;
const SrcPanoImage& anchorImage = optPano.getImage(opts.optimizeReferenceImage);
for (unsigned i=0; i < optPano.getNrOfImages(); i++)
{
std::set<std::string> imgopt;
if(i==opts.optimizeReferenceImage)
{
//optimize only anchors pitch, not yaw
imgopt.insert("p");
}
else
{
imgopt.insert("p");
imgopt.insert("y");
};
optvars.push_back(imgopt);
}
optPano.setOptimizeVector(optvars);
// remove vertical and horizontal control points
CPVector cps = optPano.getCtrlPoints();
CPVector newCP;
for (CPVector::const_iterator it = cps.begin(); it != cps.end(); it++)
{
if (it->mode == ControlPoint::X_Y)
{
newCP.push_back(*it);
}
}
optPano.setCtrlPoints(newCP);
if (getVerbose() < 2)
{
PT_setProgressFcn(ptProgress);
PT_setInfoDlgFcn(ptinfoDlg);
};
//in a first step do a pairwise optimisation
HuginBase::AutoOptimise::autoOptimise(optPano, false);
//now the final optimisation
HuginBase::PTools::optimize(optPano);
if (getVerbose() < 2)
{
PT_setProgressFcn(NULL);
PT_setInfoDlgFcn(NULL);
};
//now match overlapping images
if(!matchPrealigned(aExecutor, &optPano, checkedImagePairs, images_layer, false))
{
return false;
};
};
}
else
{
if(!match(aExecutor, checkedImagePairs))
{
return false;
};
};
return true;
};
CPVector AutoPanoSiftMultiRow::automatch(CPDetectorSetting &setting, Panorama & pano, const UIntSet & imgs,
int nFeatures, int & ret_value, wxWindow *parent)
{
CPVector cps;
if (imgs.size() < 2)
{
return cps;
};
std::vector<wxString> keyFiles(pano.getNrOfImages());
//generate cp for every consecutive image pair
unsigned int counter=0;
for(UIntSet::const_iterator it = imgs.begin(); it != imgs.end(); )
{
if(counter==imgs.size()-1)
break;
counter++;
UIntSet ImagePair;
ImagePair.clear();
ImagePair.insert(*it);
it++;
ImagePair.insert(*it);
AutoPanoSift matcher;
CPVector new_cps;
new_cps.clear();
if(setting.IsTwoStepDetector())
new_cps=matcher.automatch(setting, pano, ImagePair, nFeatures, keyFiles, ret_value, parent);
else
new_cps=matcher.automatch(setting, pano, ImagePair, nFeatures, ret_value, parent);
if(new_cps.size()>0)
AddControlPointsWithCheck(cps,new_cps);
if(ret_value!=0)
{
Cleanup(setting, pano, imgs, keyFiles, parent);
return cps;
};
};
// now connect all image groups
// generate temporary panorama to add all found cps
UIntSet allImgs;
fill_set(allImgs, 0, pano.getNrOfImages()-1);
Panorama optPano=pano.getSubset(allImgs);
for (CPVector::const_iterator it=cps.begin();it!=cps.end();++it)
optPano.addCtrlPoint(*it);
CPGraph graph;
createCPGraph(optPano, graph);
CPComponents comps;
int n = findCPComponents(graph, comps);
if(n>1)
{
UIntSet ImagesGroups;
for(unsigned int i=0;i<n;i++)
{
ImagesGroups.insert(*(comps[i].begin()));
if(comps[i].size()>1)
ImagesGroups.insert(*(comps[i].rbegin()));
};
AutoPanoSift matcher;
CPVector new_cps;
if(setting.IsTwoStepDetector())
new_cps=matcher.automatch(setting, optPano, ImagesGroups, nFeatures, keyFiles, ret_value, parent);
else
new_cps=matcher.automatch(setting, optPano, ImagesGroups, nFeatures, ret_value, parent);
if(new_cps.size()>0)
AddControlPointsWithCheck(cps,new_cps,&optPano);
if(ret_value!=0)
{
Cleanup(setting, pano, imgs, keyFiles, parent);
return cps;
};
createCPGraph(optPano,graph);
n=findCPComponents(graph, comps);
};
if(n==1 && setting.GetOption())
{
//next steps happens only when all images are connected;
//now optimize panorama
PanoramaOptions opts = pano.getOptions();
opts.setProjection(PanoramaOptions::EQUIRECTANGULAR);
// calculate proper scaling, 1:1 resolution.
// Otherwise optimizer distances are meaningless.
opts.setWidth(30000, false);
opts.setHeight(15000);
optPano.setOptions(opts);
int w = optPano.calcOptimalWidth();
opts.setWidth(w);
opts.setHeight(w/2);
optPano.setOptions(opts);
//generate optimize vector, optimize only yaw and pitch
OptimizeVector optvars;
const SrcPanoImage & anchorImage = optPano.getImage(opts.optimizeReferenceImage);
for (unsigned i=0; i < optPano.getNrOfImages(); i++)
{
std::set<std::string> imgopt;
if(i==opts.optimizeReferenceImage)
{
//optimize only anchors pitch, not yaw
imgopt.insert("p");
}
else
{
// do not optimize anchor image's stack for position.
if(!optPano.getImage(i).YawisLinkedWith(anchorImage))
{
imgopt.insert("p");
imgopt.insert("y");
};
};
optvars.push_back(imgopt);
}
optPano.setOptimizeVector(optvars);
// remove vertical and horizontal control points
CPVector backupOldCPS = optPano.getCtrlPoints();
CPVector backupNewCPS;
for (CPVector::const_iterator it = backupOldCPS.begin(); it != backupOldCPS.end(); it++) {
if (it->mode == ControlPoint::X_Y)
{
backupNewCPS.push_back(*it);
}
}
optPano.setCtrlPoints(backupNewCPS);
// do a first pairwise optimisation step
HuginBase::AutoOptimise::autoOptimise(optPano,false);
HuginBase::PTools::optimize(optPano);
optPano.setCtrlPoints(backupOldCPS);
//and find cp on overlapping images
//work only on image pairs, which are not yet connected
AutoPanoSiftPreAlign matcher;
CPDetectorSetting newSetting;
newSetting.SetProg(setting.GetProg());
newSetting.SetArgs(setting.GetArgs());
if(setting.IsTwoStepDetector())
{
newSetting.SetProgMatcher(setting.GetProgMatcher());
newSetting.SetArgsMatcher(setting.GetArgsMatcher());
};
newSetting.SetOption(true);
CPVector new_cps;
if(setting.IsTwoStepDetector())
new_cps=matcher.automatch(newSetting, optPano, imgs, nFeatures, keyFiles, ret_value, parent);
else
new_cps=matcher.automatch(newSetting, optPano, imgs, nFeatures, ret_value, parent);
if(new_cps.size()>0)
AddControlPointsWithCheck(cps,new_cps);
};
Cleanup(setting, pano, imgs, keyFiles, parent);
return cps;
};
FDiff2D CalculateFOV::calcFOV(const PanoramaData& panorama)
{
if (panorama.getNrOfImages() == 0) {
// no change
return FDiff2D(panorama.getOptions().getHFOV(), panorama.getOptions().getVFOV());
}
vigra::Size2D panoSize(360*2,180*2);
// remap into minature pano.
PanoramaOptions opts;
opts.setHFOV(360);
opts.setProjection(PanoramaOptions::EQUIRECTANGULAR);
opts.setWidth(panoSize.x);
opts.setHeight(panoSize.y);
// remap image
// DGSW - make sure the type is correct
vigra::BImage panoAlpha(panoSize.x, panoSize.y,static_cast< unsigned char >(0));
// vigra::BImage panoAlpha(panoSize.x, panoSize.y,0);
Nona::RemappedPanoImage<vigra::BImage, vigra::BImage> remapped;
UIntSet activeImgs = panorama.getActiveImages();
for (UIntSet::iterator it = activeImgs.begin(); it != activeImgs.end(); ++it) {
// for (unsigned int imgNr=0; imgNr < getNrOfImages(); imgNr++) {
// DGSW FIXME - Unreferenced
// const PanoImage & img = getImage(*it);
remapped.setPanoImage(panorama.getSrcImage(*it), opts, vigra::Rect2D(0,0,panoSize.x,panoSize.y));
//remapped.setPanoImage(*this, *it, vigra::Size2D(img.getWidth(), img.getHeight()), opts);
// calculate alpha channel
remapped.calcAlpha();
// copy into global alpha channel.
vigra::copyImageIf(vigra_ext::applyRect(remapped.boundingBox(),
vigra_ext::srcMaskRange(remapped)),
vigra_ext::applyRect(remapped.boundingBox(),
vigra_ext::srcMask(remapped)),
vigra_ext::applyRect(remapped.boundingBox(),
destImage(panoAlpha)));
// vigra::ImageExportInfo imge2("c:/hugin_calcfov_alpha.png");
// exportImage(vigra::srcImageRange(panoAlpha), imge2);
}
// get field of view
FDiff2D ul,lr;
bool found = false;
ul.x = DBL_MAX;
ul.y = DBL_MAX;
lr.x = -DBL_MAX;
lr.y = -DBL_MAX;
for (int v=0; v< panoSize.y; v++) {
for (int h=0; h < panoSize.x; h++) {
if (panoAlpha(h,v)) {
// pixel is valid
if ( ul.x > h ) {
found=true;
ul.x = h;
}
if ( ul.y > v ) {
found=true;
ul.y = v;
}
if ( lr.x < h) {
found=true;
lr.x = h;
}
if ( lr.y < v) {
found=true;
lr.y = v;
}
}
}
}
if (!found) {
// if nothing found, return current fov
return FDiff2D(panorama.getOptions().getHFOV(), panorama.getOptions().getVFOV());
}
ul=ul/2.0;
lr=lr/2.0;
ul.x = ul.x - 180;
ul.y = ul.y - 90;
lr.x = lr.x - 180;
lr.y = lr.y - 90;
FDiff2D fov (2*std::max(fabs(ul.x), fabs(lr.x)), 2*std::max(fabs(ul.y), fabs(lr.y)));
if(fov.x<40)
{
fov.x+=1;
};
return fov;
}
void CenterHorizontally::centerHorizontically(PanoramaData& panorama)
{
vigra::Size2D panoSize(360,180);
// remap into minature pano.
PanoramaOptions opts;
opts.setHFOV(360);
opts.setProjection(PanoramaOptions::EQUIRECTANGULAR);
opts.setWidth(360);
opts.setHeight(180);
// remap image
vigra::BImage panoAlpha(panoSize);
Nona::RemappedPanoImage<vigra::BImage, vigra::BImage> remapped;
// use selected images.
const UIntSet allActiveImgs(panorama.getActiveImages());
if (allActiveImgs.empty())
{
// do nothing if there are no images
return;
}
//only check unlinked images
UIntSet activeImgs;
for (UIntSet::const_iterator it = allActiveImgs.begin(); it!= allActiveImgs.end(); ++it)
{
const SrcPanoImage & img=panorama.getImage(*it);
bool consider=true;
if(img.YawisLinked())
{
for(UIntSet::const_iterator it2=activeImgs.begin(); it2!=activeImgs.end(); ++it2)
{
if(img.YawisLinkedWith(panorama.getSrcImage(*it2)))
{
consider=false;
break;
};
};
};
if(consider)
activeImgs.insert(*it);
};
for (UIntSet::iterator it = activeImgs.begin(); it != activeImgs.end(); ++it)
{
remapped.setPanoImage(panorama.getSrcImage(*it), opts, vigra::Rect2D(0,0,360,180));
// calculate alpha channel
remapped.calcAlpha();
// copy into global alpha channel.
vigra::copyImageIf(vigra_ext::applyRect(remapped.boundingBox(),
vigra_ext::srcMaskRange(remapped)),
vigra_ext::applyRect(remapped.boundingBox(),
vigra_ext::srcMask(remapped)),
vigra_ext::applyRect(remapped.boundingBox(),
destImage(panoAlpha)));
}
// get field of view
std::vector<int> borders;
bool colOccupied = false;
for (int h=0; h < 360; h++) {
bool curColOccupied = false;
for (int v=0; v< 180; v++) {
if (panoAlpha(h,v)) {
// pixel is valid
curColOccupied = true;
}
}
if ((colOccupied && !curColOccupied) ||
(!colOccupied && curColOccupied))
{
// change in position, save point.
borders.push_back(h-180);
colOccupied = curColOccupied;
}
}
int lastidx = borders.size() -1;
if (lastidx == -1) {
// empty pano
return;
}
if (colOccupied) {
// we have reached the right border, and the pano is still valid
// shift right fragments by 360 deg
// |11 2222| -> | 222211 |
std::vector<int> newBorders;
newBorders.push_back(borders[lastidx]);
for (int i = 0; i < lastidx; i++) {
newBorders.push_back(borders[i]+360);
}
borders = newBorders;
}
const double dYaw=(borders[0] + borders[lastidx])/2;
// apply yaw shift, takes also translation parameters into account
RotatePanorama(panorama, -dYaw, 0, 0).run();
}