CC_FILE_ERROR BinFilter::LoadFileV1(QFile& in, ccHObject& container, unsigned nbScansTotal, bool alwaysDisplayLoadDialog)
{
ccLog::Print("[BIN] Version 1.0");
if (nbScansTotal > 99)
{
if (QMessageBox::question(0, QString("Oups"), QString("Hum, do you really expect %1 point clouds?").arg(nbScansTotal), QMessageBox::Yes, QMessageBox::No) == QMessageBox::No)
return CC_FERR_WRONG_FILE_TYPE;
}
else if (nbScansTotal == 0)
{
return CC_FERR_NO_LOAD;
}
ccProgressDialog pdlg(true);
pdlg.setMethodTitle("Open Bin file (old style)");
for (unsigned k=0; k<nbScansTotal; k++)
{
HeaderFlags header;
unsigned nbOfPoints=0;
if (ReadEntityHeader(in,nbOfPoints,header) < 0)
return CC_FERR_READING;
//Console::print("[BinFilter::loadModelFromBinaryFile] Entity %i : %i points, color=%i, norms=%i, dists=%i\n",k,nbOfPoints,color,norms,distances);
if (nbOfPoints == 0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] rien a faire !\n");
continue;
}
//progress for this cloud
CCLib::NormalizedProgress* nprogress = 0;
if (alwaysDisplayLoadDialog)
{
nprogress = new CCLib::NormalizedProgress(&pdlg,nbOfPoints);
pdlg.reset();
char buffer[256];
sprintf(buffer,"cloud %u/%u (%u points)",k+1,nbScansTotal,nbOfPoints);
pdlg.setInfo(buffer);
pdlg.start();
QApplication::processEvents();
}
//Cloud name
char cloudName[256] = "unnamed";
if (header.name)
{
for (int i=0; i<256; ++i)
{
if (in.read(cloudName+i,1)<0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] Error reading the cloud name!\n");
return CC_FERR_READING;
}
if (cloudName[i] == 0)
break;
}
//we force the end of the name in case it is too long!
cloudName[255] = 0;
}
else
{
sprintf(cloudName,"unnamed - Cloud #%u",k);
}
//Cloud name
char sfName[1024] = "unnamed";
if (header.sfName)
{
for (int i=0; i<1024; ++i)
{
if (in.read(sfName+i,1)<0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] Error reading the cloud name!\n");
return CC_FERR_READING;
}
if (sfName[i] == 0)
break;
}
//we force the end of the name in case it is too long!
sfName[1023] = 0;
}
else
{
strcpy(sfName,"Loaded scalar field");
}
//Creation
ccPointCloud* loadedCloud = new ccPointCloud(cloudName);
if (!loadedCloud)
return CC_FERR_NOT_ENOUGH_MEMORY;
unsigned fileChunkPos = 0;
unsigned fileChunkSize = std::min(nbOfPoints,CC_MAX_NUMBER_OF_POINTS_PER_CLOUD);
loadedCloud->reserveThePointsTable(fileChunkSize);
if (header.colors)
{
loadedCloud->reserveTheRGBTable();
loadedCloud->showColors(true);
}
if (header.normals)
{
loadedCloud->reserveTheNormsTable();
loadedCloud->showNormals(true);
}
if (header.scalarField)
loadedCloud->enableScalarField();
unsigned lineRead = 0;
int parts = 0;
const ScalarType FORMER_HIDDEN_POINTS = (ScalarType)-1.0;
//lecture du fichier
for (unsigned i=0; i<nbOfPoints; ++i)
{
if (lineRead == fileChunkPos+fileChunkSize)
{
if (header.scalarField)
loadedCloud->getCurrentInScalarField()->computeMinAndMax();
container.addChild(loadedCloud);
fileChunkPos = lineRead;
fileChunkSize = std::min(nbOfPoints-lineRead,CC_MAX_NUMBER_OF_POINTS_PER_CLOUD);
char partName[64];
++parts;
sprintf(partName,"%s.part_%i",cloudName,parts);
loadedCloud = new ccPointCloud(partName);
loadedCloud->reserveThePointsTable(fileChunkSize);
if (header.colors)
{
loadedCloud->reserveTheRGBTable();
loadedCloud->showColors(true);
}
if (header.normals)
{
loadedCloud->reserveTheNormsTable();
loadedCloud->showNormals(true);
}
if (header.scalarField)
loadedCloud->enableScalarField();
}
float Pf[3];
if (in.read((char*)Pf,sizeof(float)*3)<0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] Error reading the %ith entity point !\n",k);
return CC_FERR_READING;
}
loadedCloud->addPoint(CCVector3::fromArray(Pf));
if (header.colors)
{
unsigned char C[3];
if (in.read((char*)C,sizeof(colorType)*3)<0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] Error reading the %ith entity colors !\n",k);
return CC_FERR_READING;
}
loadedCloud->addRGBColor(C);
}
if (header.normals)
{
CCVector3 N;
if (in.read((char*)N.u,sizeof(float)*3)<0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] Error reading the %ith entity norms !\n",k);
return CC_FERR_READING;
}
loadedCloud->addNorm(N.u);
}
if (header.scalarField)
{
double D;
if (in.read((char*)&D,sizeof(double))<0)
{
//Console::print("[BinFilter::loadModelFromBinaryFile] Error reading the %ith entity distance!\n",k);
return CC_FERR_READING;
}
ScalarType d = static_cast<ScalarType>(D);
loadedCloud->setPointScalarValue(i,d);
}
lineRead++;
if (nprogress && !nprogress->oneStep())
{
loadedCloud->resize(i+1-fileChunkPos);
k=nbScansTotal;
i=nbOfPoints;
}
}
if (nprogress)
{
pdlg.stop();
QApplication::processEvents();
delete nprogress;
nprogress = 0;
}
if (header.scalarField)
{
CCLib::ScalarField* sf = loadedCloud->getCurrentInScalarField();
assert(sf);
sf->setName(sfName);
//replace HIDDEN_VALUES by NAN_VALUES
for (unsigned i=0; i<sf->currentSize(); ++i)
{
if (sf->getValue(i) == FORMER_HIDDEN_POINTS)
sf->setValue(i,NAN_VALUE);
}
sf->computeMinAndMax();
loadedCloud->setCurrentDisplayedScalarField(loadedCloud->getCurrentInScalarFieldIndex());
loadedCloud->showSF(true);
}
container.addChild(loadedCloud);
}
return CC_FERR_NO_ERROR;
}
bool ccGenericMesh::laplacianSmooth(unsigned nbIteration, float factor, CCLib::GenericProgressCallback* progressCb/*=0*/)
{
if (!m_associatedCloud)
return false;
//vertices
unsigned vertCount = m_associatedCloud->size();
//triangles
unsigned faceCount = size();
if (!vertCount || !faceCount)
return false;
GenericChunkedArray<3,PointCoordinateType>* verticesDisplacement = new GenericChunkedArray<3,PointCoordinateType>;
if (!verticesDisplacement->resize(vertCount))
{
//not enough memory
verticesDisplacement->release();
return false;
}
//compute the number of edges to which belong each vertex
unsigned* edgesCount = new unsigned[vertCount];
if (!edgesCount)
{
//not enough memory
verticesDisplacement->release();
return false;
}
memset(edgesCount, 0, sizeof(unsigned)*vertCount);
placeIteratorAtBegining();
for(unsigned j=0; j<faceCount; j++)
{
const CCLib::TriangleSummitsIndexes* tri = getNextTriangleIndexes();
edgesCount[tri->i1]+=2;
edgesCount[tri->i2]+=2;
edgesCount[tri->i3]+=2;
}
//progress dialog
CCLib::NormalizedProgress* nProgress = 0;
if (progressCb)
{
unsigned totalSteps = nbIteration;
nProgress = new CCLib::NormalizedProgress(progressCb,totalSteps);
progressCb->setMethodTitle("Laplacian smooth");
progressCb->setInfo(qPrintable(QString("Iterations: %1\nVertices: %2\nFaces: %3").arg(nbIteration).arg(vertCount).arg(faceCount)));
progressCb->start();
}
//repeat Laplacian smoothing iterations
for(unsigned iter = 0; iter < nbIteration; iter++)
{
verticesDisplacement->fill(0);
//for each triangle
placeIteratorAtBegining();
for(unsigned j=0; j<faceCount; j++)
{
const CCLib::TriangleSummitsIndexes* tri = getNextTriangleIndexes();
const CCVector3* A = m_associatedCloud->getPoint(tri->i1);
const CCVector3* B = m_associatedCloud->getPoint(tri->i2);
const CCVector3* C = m_associatedCloud->getPoint(tri->i3);
CCVector3 dAB = (*B-*A);
CCVector3 dAC = (*C-*A);
CCVector3 dBC = (*C-*B);
CCVector3* dA = (CCVector3*)verticesDisplacement->getValue(tri->i1);
(*dA) += dAB+dAC;
CCVector3* dB = (CCVector3*)verticesDisplacement->getValue(tri->i2);
(*dB) += dBC-dAB;
CCVector3* dC = (CCVector3*)verticesDisplacement->getValue(tri->i3);
(*dC) -= dAC+dBC;
}
if (nProgress && !nProgress->oneStep())
{
//cancelled by user
break;
}
//apply displacement
verticesDisplacement->placeIteratorAtBegining();
for (unsigned i=0; i<vertCount; i++)
{
//this is a "persistent" pointer and we know what type of cloud is behind ;)
CCVector3* P = const_cast<CCVector3*>(m_associatedCloud->getPointPersistentPtr(i));
const CCVector3* d = (const CCVector3*)verticesDisplacement->getValue(i);
(*P) += (*d)*(factor/(PointCoordinateType)edgesCount[i]);
}
}
m_associatedCloud->updateModificationTime();
if (hasNormals())
computeNormals();
if (verticesDisplacement)
verticesDisplacement->release();
verticesDisplacement=0;
if (edgesCount)
delete[] edgesCount;
edgesCount=0;
if (nProgress)
delete nProgress;
nProgress=0;
return true;
}
