static int scalar_cb(p_ply_argument argument)
{
CCLib::ScalarField* sf = 0;
ply_get_argument_user_data(argument, (void**)(&sf), NULL);
p_ply_element element;
long instance_index;
ply_get_argument_element(argument, &element, &instance_index);
ScalarType scal = static_cast<ScalarType>(ply_get_argument_value(argument));
sf->setValue(instance_index,scal);
if ((++s_totalScalarCount % PROCESS_EVENTS_FREQ) == 0)
QCoreApplication::processEvents();
return 1;
}
CC_FILE_ERROR BinFilter::LoadFileV1(QFile& in, ccHObject& container, unsigned nbScansTotal, const LoadParameters& parameters)
{
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, parameters.parentWidget);
pdlg.setMethodTitle(QObject::tr("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(&pdlg, nbOfPoints);
if (parameters.alwaysDisplayLoadDialog)
{
pdlg.reset();
pdlg.setInfo(QObject::tr("cloud %1/%2 (%3 points)").arg(k + 1).arg(nbScansTotal).arg(nbOfPoints));
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(ColorCompType)*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);
}
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 (parameters.alwaysDisplayLoadDialog && !nprogress.oneStep())
{
loadedCloud->resize(i+1-fileChunkPos);
k=nbScansTotal;
i=nbOfPoints;
}
}
if (parameters.alwaysDisplayLoadDialog)
{
pdlg.stop();
QApplication::processEvents();
}
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;
}
ccPointCloud* cc2Point5DimEditor::convertGridToCloud( const std::vector<ExportableFields>& exportedFields,
bool interpolateSF,
bool resampleInputCloud,
ccGenericPointCloud* inputCloud,
bool fillEmptyCells,
double emptyCellsHeight) const
{
if (!m_grid.isValid())
return 0;
unsigned pointsCount = (fillEmptyCells ? m_grid.width * m_grid.height : m_grid.validCellCount);
if (pointsCount == 0)
{
ccLog::Warning("[Rasterize] Empty grid!");
return 0;
}
ccPointCloud* cloudGrid = 0;
if (resampleInputCloud)
{
CCLib::ReferenceCloud refCloud(inputCloud);
if (refCloud.reserve(m_grid.nonEmptyCellCount))
{
for (unsigned j=0; j<m_grid.height; ++j)
{
for (unsigned i=0; i<m_grid.width; ++i)
{
const RasterCell& cell = m_grid.data[j][i];
if (cell.nbPoints) //non empty cell
{
refCloud.addPointIndex(cell.pointIndex);
}
}
}
assert(refCloud.size() != 0);
cloudGrid = inputCloud->isA(CC_TYPES::POINT_CLOUD) ? static_cast<ccPointCloud*>(inputCloud)->partialClone(&refCloud) : ccPointCloud::From(&refCloud,inputCloud);
cloudGrid->setPointSize(0); //to avoid display issues
//even if we have already resampled the original cloud we may have to create new points and/or scalar fields
//if (!interpolateSF && !fillEmptyCells)
// return cloudGrid;
}
else
{
ccLog::Warning("[Rasterize] Not enough memory!");
return 0;
}
}
else
{
cloudGrid = new ccPointCloud("grid");
}
assert(cloudGrid);
//shall we generate per-cell fields as well?
std::vector<CCLib::ScalarField*> exportedSFs;
if (!exportedFields.empty())
{
exportedSFs.resize(exportedFields.size(),0);
for (size_t i=0; i<exportedFields.size(); ++i)
{
int sfIndex = -1;
switch (exportedFields[i])
{
case PER_CELL_HEIGHT:
case PER_CELL_COUNT:
case PER_CELL_MIN_HEIGHT:
case PER_CELL_MAX_HEIGHT:
case PER_CELL_AVG_HEIGHT:
case PER_CELL_HEIGHT_STD_DEV:
case PER_CELL_HEIGHT_RANGE:
sfIndex = cloudGrid->addScalarField(qPrintable(GetDefaultFieldName(exportedFields[i])));
break;
default:
assert(false);
break;
}
if (sfIndex < 0)
{
ccLog::Warning("[Rasterize] Couldn't allocate scalar field(s)! Try to free some memory ...");
break;
}
exportedSFs[i] = cloudGrid->getScalarField(sfIndex);
assert(exportedSFs[i]);
}
}
//the resampled cloud already contains the points corresponding to 'filled' cells so we will only
//need to add the empty ones (if requested)
if ((!resampleInputCloud || fillEmptyCells) && !cloudGrid->reserve(pointsCount))
{
ccLog::Warning("[Rasterize] Not enough memory!");
delete cloudGrid;
return 0;
}
//vertical dimension
const unsigned char Z = getProjectionDimension();
assert(Z >= 0 && Z <= 2);
const unsigned char X = Z == 2 ? 0 : Z +1;
const unsigned char Y = X == 2 ? 0 : X +1;
//cloud bounding-box
ccBBox box = getCustomBBox();
assert(box.isValid());
//we work with doubles as grid step can be much smaller than the cloud coordinates!
double Py = box.minCorner().u[Y];
//as the 'non empty cells points' are already in the cloud
//we must take care of where we put the scalar fields values!
unsigned nonEmptyCellIndex = 0;
for (unsigned j=0; j<m_grid.height; ++j)
{
const RasterCell* aCell = m_grid.data[j];
double Px = box.minCorner().u[X];
for (unsigned i=0; i<m_grid.width; ++i,++aCell)
{
if (aCell->h == aCell->h) //valid cell
{
//if we haven't resampled the original cloud, we must add the point
//corresponding to this non-empty cell
if (!resampleInputCloud || aCell->nbPoints == 0)
{
CCVector3 Pf( static_cast<PointCoordinateType>(Px),
static_cast<PointCoordinateType>(Py),
static_cast<PointCoordinateType>(aCell->h) );
cloudGrid->addPoint(Pf);
}
//fill the associated SFs
assert(exportedSFs.size() >= exportedFields.size());
assert(!inputCloud || nonEmptyCellIndex < inputCloud->size());
for (size_t i=0; i<exportedSFs.size(); ++i)
{
CCLib::ScalarField* sf = exportedSFs[i];
ScalarType sVal = NAN_VALUE;
switch (exportedFields[i])
{
case PER_CELL_HEIGHT:
sVal = static_cast<ScalarType>(aCell->h);
break;
case PER_CELL_COUNT:
sVal = static_cast<ScalarType>(aCell->nbPoints);
break;
case PER_CELL_MIN_HEIGHT:
sVal = static_cast<ScalarType>(aCell->minHeight);
break;
case PER_CELL_MAX_HEIGHT:
sVal = static_cast<ScalarType>(aCell->maxHeight);
break;
case PER_CELL_AVG_HEIGHT:
sVal = static_cast<ScalarType>(aCell->avgHeight);
break;
case PER_CELL_HEIGHT_STD_DEV:
sVal = static_cast<ScalarType>(aCell->stdDevHeight);
break;
case PER_CELL_HEIGHT_RANGE:
sVal = static_cast<ScalarType>(aCell->maxHeight - aCell->minHeight);
break;
default:
assert(false);
break;
}
if (resampleInputCloud)
sf->setValue(nonEmptyCellIndex,sVal);
else
sf->addElement(sVal);
}
++nonEmptyCellIndex;
}
else if (fillEmptyCells) //empty cell
{
//even if we have resampled the original cloud, we must add the point
//corresponding to this empty cell
{
CCVector3 Pf( static_cast<PointCoordinateType>(Px),
static_cast<PointCoordinateType>(Py),
static_cast<PointCoordinateType>(emptyCellsHeight) );
cloudGrid->addPoint(Pf);
}
assert(exportedSFs.size() == exportedFields.size());
for (size_t i=0; i<exportedSFs.size(); ++i)
{
if (!exportedSFs[i])
{
continue;
}
if (exportedFields[i] == PER_CELL_HEIGHT)
{
//we set the point height to the default height
ScalarType s = static_cast<ScalarType>(emptyCellsHeight);
exportedSFs[i]->addElement(s);
}
else
{
exportedSFs[i]->addElement(NAN_VALUE);
}
}
}
Px += m_grid.gridStep;
}
Py += m_grid.gridStep;
}
assert(exportedSFs.size() == exportedFields.size());
for (size_t i=0; i<exportedSFs.size(); ++i)
{
CCLib::ScalarField* sf = exportedSFs[i];
if (sf)
{
sf->computeMinAndMax();
}
}
//take care of former scalar fields
if (!resampleInputCloud)
{
if (interpolateSF && inputCloud && inputCloud->isA(CC_TYPES::POINT_CLOUD))
{
ccPointCloud* pc = static_cast<ccPointCloud*>(inputCloud);
for (size_t k=0; k<m_grid.scalarFields.size(); ++k)
{
double* _sfGrid = m_grid.scalarFields[k];
if (_sfGrid) //valid SF grid
{
//the corresponding SF should exist on the input cloud
ccScalarField* formerSf = static_cast<ccScalarField*>(pc->getScalarField(static_cast<int>(k)));
assert(formerSf);
//we try to create an equivalent SF on the output grid
int sfIdx = cloudGrid->addScalarField(formerSf->getName());
if (sfIdx < 0) //if we aren't lucky, the input cloud already had a SF with CC_HEIGHT_GRID_FIELD_NAME as name
sfIdx = cloudGrid->addScalarField(qPrintable(QString(formerSf->getName()).append(".old")));
if (sfIdx < 0)
{
ccLog::Warning("[Rasterize] Couldn't allocate a new scalar field for storing SF '%s' values! Try to free some memory ...",formerSf->getName());
}
else
{
ccScalarField* sf = static_cast<ccScalarField*>(cloudGrid->getScalarField(sfIdx));
assert(sf);
//set sf values
unsigned n = 0;
const ScalarType emptyCellSFValue = CCLib::ScalarField::NaN();
for (unsigned j=0; j<m_grid.height; ++j)
{
const RasterCell* aCell = m_grid.data[j];
for (unsigned i=0; i<m_grid.width; ++i, ++_sfGrid, ++aCell)
{
if (aCell->nbPoints)
{
ScalarType s = static_cast<ScalarType>(*_sfGrid);
sf->setValue(n++,s);
}
else if (fillEmptyCells)
{
sf->setValue(n++,emptyCellSFValue);
}
}
}
sf->computeMinAndMax();
sf->importParametersFrom(formerSf);
assert(sf->currentSize() == pointsCount);
}
}
}
}
}
else
{
for (size_t k=0; k<cloudGrid->getNumberOfScalarFields(); ++k)
{
CCLib::ScalarField* sf = cloudGrid->getScalarField(static_cast<int>(k));
sf->resize(cloudGrid->size(),true,NAN_VALUE);
}
}
QString gridName = QString("raster(%1)").arg(m_grid.gridStep);
if (inputCloud)
{
gridName.prepend(inputCloud->getName() + QString("."));
}
cloudGrid->setName(gridName);
return cloudGrid;
}
CC_FILE_ERROR VTKFilter::loadFile(const char* filename, ccHObject& container, bool alwaysDisplayLoadDialog/*=true*/, bool* coordinatesShiftEnabled/*=0*/, CCVector3d* coordinatesShift/*=0*/)
{
//open ASCII file for reading
QFile file(filename);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return CC_FERR_READING;
QTextStream inFile(&file);
//read header
QString nextline = inFile.readLine();
if (!nextline.startsWith("# vtk"))
return CC_FERR_MALFORMED_FILE;
//comment
nextline = inFile.readLine();
ccLog::Print(QString("[VTK] ")+nextline);
ccMesh* mesh = 0;
ccPointCloud* vertices = 0;
std::vector<int> indexes; //global so as to avoid unnecessary mem. allocations
QString lastSfName;
bool acceptLookupTables = true;
QString fileType = inFile.readLine().toUpper();
if (fileType.startsWith("BINARY"))
{
//binary not supported yet!
ccLog::Error("VTK binary format not supported yet!");
return CC_FERR_WRONG_FILE_TYPE;
}
else if (fileType.startsWith("ASCII"))
{
//allow blank lines
QString dataType;
if (!GetNextNonEmptyLine(inFile,dataType))
return CC_FERR_MALFORMED_FILE;
if (!dataType.startsWith("DATASET"))
return CC_FERR_MALFORMED_FILE;
dataType.remove(0,8);
if (dataType.startsWith("POLYDATA"))
{
vertices = new ccPointCloud("vertices");
mesh = new ccMesh(vertices);
}
else if (dataType.startsWith("UNSTRUCTURED_GRID"))
{
vertices = new ccPointCloud("unnamed - VTK unstructured grid");
}
else
{
ccLog::Error(QString("VTK entity '%1' is not supported!").arg(dataType));
return CC_FERR_WRONG_FILE_TYPE;
}
}
//loop on keywords/data
CC_FILE_ERROR error = CC_FERR_NO_ERROR;
CCVector3d Pshift(0,0,0);
while (error == CC_FERR_NO_ERROR)
{
if (!GetNextNonEmptyLine(inFile,nextline))
break; //end of file
assert(!nextline.isEmpty());
if (nextline.startsWith("POINTS"))
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() != 3)
{
error=CC_FERR_MALFORMED_FILE;
break;
}
bool ok = false;
unsigned ptsCount = parts[1].toInt(&ok);
if (!ok)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
//QString dataFormat = parts[3].toUpper();
//char buffer[8];
//unsigned char datSize = 4;
//if (dataFormat == "DOUBLE")
//{
// datSize = 8;
//}
//else if (dataFormat != "FLOAT")
//{
// ccLog::Error(QString("Non floating point data (%1) is not supported!").arg(dataFormat));
// error = CC_FERR_WRONG_FILE_TYPE;
// break;
//}
if (!vertices->reserve(ptsCount))
{
error = CC_FERR_NOT_ENOUGH_MEMORY;
break;
}
for (unsigned i=0; i<ptsCount; ++i)
{
nextline = inFile.readLine();
parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() != 3)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
double Pd[3] = {0,0,0};
for (unsigned char j=0; j<3; ++j)
{
Pd[j] = parts[j].toDouble(&ok);
if (!ok)
{
ccLog::Warning("[VTK] Element #%1 of POINTS data is corrupted!",i);
error = CC_FERR_MALFORMED_FILE;
break;
}
}
//first point: check for 'big' coordinates
if (i == 0)
{
bool shiftAlreadyEnabled = (coordinatesShiftEnabled && *coordinatesShiftEnabled && coordinatesShift);
if (shiftAlreadyEnabled)
Pshift = *coordinatesShift;
bool applyAll = false;
if ( sizeof(PointCoordinateType) < 8
&& ccCoordinatesShiftManager::Handle(Pd,0,alwaysDisplayLoadDialog,shiftAlreadyEnabled,Pshift,0,applyAll))
{
vertices->setGlobalShift(Pshift);
ccLog::Warning("[VTKFilter::loadFile] Cloud has been recentered! Translation: (%.2f,%.2f,%.2f)",Pshift.x,Pshift.y,Pshift.z);
//we save coordinates shift information
if (applyAll && coordinatesShiftEnabled && coordinatesShift)
{
*coordinatesShiftEnabled = true;
*coordinatesShift = Pshift;
}
}
}
vertices->addPoint(CCVector3( static_cast<PointCoordinateType>(Pd[0] + Pshift.x),
static_cast<PointCoordinateType>(Pd[1] + Pshift.y),
static_cast<PointCoordinateType>(Pd[2] + Pshift.z)) );
}
//end POINTS
}
else if (nextline.startsWith("POLYGONS") || nextline.startsWith("TRIANGLE_STRIPS"))
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() != 3)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
//current type name (i.e. POLYGONS or TRIANGLE_STRIPS)
QString typeName = parts[0];
bool isPolygon = (typeName == "POLYGONS");
bool ok = false;
unsigned elemCount = parts[1].toUInt(&ok);
if (!ok)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
unsigned totalElements = parts[2].toUInt(&ok);
if (!ok)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
assert(mesh);
if (!mesh)
{
ccLog::Warning(QString("[VTK] We found %1 data while file is not composed of POLYDATA!").arg(typeName));
mesh = new ccMesh(vertices); //however, we can still try to load it?
}
for (unsigned i=0; i<elemCount; ++i)
{
nextline = inFile.readLine();
parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.empty())
{
error = CC_FERR_MALFORMED_FILE;
break;
}
unsigned vertCount = parts[0].toUInt(&ok);
if (!ok || static_cast<int>(vertCount) >= parts.size())
{
error = CC_FERR_MALFORMED_FILE;
break;
}
else if (vertCount < 3)
{
ccLog::Warning(QString("[VTK] Element #%1 of %2 data is corrupted! (not enough indexes)").arg(i).arg(typeName));
}
if (isPolygon && (vertCount != 3 && vertCount != 4)) //quads are easy to handle as well!
{
ccLog::Warning(QString("[VTK] POLYGON element #%1 has an unhandled size (> 4 vertices)").arg(i));
continue;
}
//reserve mem to. store indexes
if (indexes.size() < vertCount)
{
try
{
indexes.resize(vertCount);
}
catch (std::bad_alloc)
{
error = CC_FERR_NOT_ENOUGH_MEMORY;
break;
}
}
//decode indexes
for (unsigned j=0; j<vertCount; ++j)
{
indexes[j] = parts[j+1].toUInt(&ok);
if (!ok)
{
ccLog::Warning(QString("[VTK] Element #%1 of %2 data is corrupted! (invalid index value)").arg(i).arg(typeName));
error = CC_FERR_MALFORMED_FILE;
break;
}
}
//add the triangles
{
assert(vertCount > 2);
unsigned triCount = vertCount-2;
if (mesh->size() + triCount > mesh->maxSize())
{
if (!mesh->reserve(mesh->size()+triCount+256)) //take some advance to avoid too many allocations
{
error = CC_FERR_NOT_ENOUGH_MEMORY;
break;
}
}
if (isPolygon)
{
//triangle or quad
mesh->addTriangle(indexes[0],indexes[1],indexes[2]);
if (vertCount == 4)
mesh->addTriangle(indexes[0],indexes[2],indexes[3]);
}
else
{
//triangle strip
for (unsigned j=0; j<triCount; ++j)
mesh->addTriangle(indexes[j],indexes[j+1],indexes[j+2]);
}
}
}
if (mesh->size() != 0 && mesh->size() < mesh->maxSize())
{
mesh->resize(mesh->size());
}
//end POLYGONS or TRIANGLE_STRIPS
}
else if (nextline.startsWith("NORMALS"))
{
unsigned ptsCount = vertices->size();
if (vertices->size() == 0)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
else
{
bool loadNormals = vertices->reserveTheNormsTable();
if (!loadNormals)
ccLog::Warning("[VTK] Not enough memory to load normals!");
for (unsigned i=0; i<ptsCount; ++i)
{
nextline = inFile.readLine();
if (loadNormals)
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() != 3)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
CCVector3 N;
for (unsigned char j=0; j<3; ++j)
{
bool ok;
N.u[j] = (PointCoordinateType)parts[j].toDouble(&ok);
if (!ok)
{
ccLog::Warning("[VTK] Element #%1 of NORMALS data is corrupted!",i);
error = CC_FERR_MALFORMED_FILE;
break;
}
}
vertices->addNorm(N);
}
}
}
//end NORMALS
}
else if (nextline.startsWith("COLOR_SCALARS"))
{
unsigned ptsCount = vertices->size();
if (vertices->size() == 0)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
else
{
bool loadRGBColors = vertices->reserveTheRGBTable();
if (!loadRGBColors)
ccLog::Warning("[VTK] Not enough memory to load RGB colors!");
for (unsigned i=0; i<ptsCount; ++i)
{
nextline = inFile.readLine();
if (loadRGBColors)
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() != 3)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
colorType rgb[3];
for (unsigned char j=0; j<3; ++j)
{
bool ok;
rgb[j] = (colorType)(parts[j].toDouble(&ok) * (double)MAX_COLOR_COMP);
if (!ok)
{
ccLog::Warning("[VTK] Element #%1 of COLOR_SCALARS data is corrupted!",i);
error = CC_FERR_MALFORMED_FILE;
break;
}
}
vertices->addRGBColor(rgb);
}
}
}
//end COLOR_SCALARS
}
else if (nextline.startsWith("SCALARS"))
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
lastSfName = "ScalarField";
if (parts.size() > 1)
lastSfName = parts[1].replace("_"," ");
//SF already exists?
if (vertices->getScalarFieldIndexByName(qPrintable(lastSfName)) >= 0)
lastSfName += QString(" (%1)").arg(vertices->getNumberOfScalarFields());
//end of SCALARS
}
else if (nextline.startsWith("LOOKUP_TABLE") || nextline.startsWith("VECTORS"))
{
unsigned ptsCount = vertices->size();
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
QString itemName = parts[0];
if (parts.size() > 2)
{
bool ok = false;
int valCount = parts[2].toUInt(&ok);
if (ok)
ptsCount = valCount;
}
bool createSF = (vertices->size() == ptsCount && vertices->size() != 0);
if (acceptLookupTables && !createSF)
{
ccLog::Warning(QString("[VTK] field %1 has not the right number of points (will be ignored)").arg(itemName));
}
createSF &= acceptLookupTables;
if (createSF && lastSfName.isNull())
{
ccLog::Warning(QString("[VTK] field %1 has no name (will be ignored)").arg(itemName));
createSF = false;
}
//create scalar field?
int newSFIndex = createSF ? vertices->addScalarField(qPrintable(lastSfName)) : -1;
CCLib::ScalarField* sf = newSFIndex >= 0 ? vertices->getScalarField(newSFIndex) : 0;
lastSfName.clear(); //name is "consumed"
for (unsigned i=0; i<ptsCount; ++i)
{
nextline = inFile.readLine();
if (sf) //otherwise we simply skip the line
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() != 1)
{
//get rid of the scalar field :(
vertices->deleteScalarField(newSFIndex);
sf = 0;
if (i == 0)
{
ccLog::Warning(QString("[VTK] %1 field with more than one element can't be imported as scalar fields!").arg(itemName));
}
else
{
error = CC_FERR_MALFORMED_FILE;
break;
}
}
else
{
bool ok;
ScalarType d = static_cast<ScalarType>(nextline.toDouble(&ok));
sf->setValue(i, ok ? d : NAN_VALUE);
}
}
}
if (sf)
{
sf->computeMinAndMax();
vertices->setCurrentDisplayedScalarField(newSFIndex);
vertices->showSF(true);
}
//end of SCALARS
}
else if (nextline.startsWith("POINT_DATA"))
{
//check that the number of 'point_data' match the number of points
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
acceptLookupTables = false;
if (parts.size() > 1)
{
bool ok;
unsigned dataCount = parts[1].toUInt(&ok);
if (ok && vertices && dataCount == vertices->size())
{
acceptLookupTables = true;
}
}
if (!acceptLookupTables)
{
ccLog::Warning("[VTK] The number of 'POINT_DATA' doesn't match the number of loaded points... lookup tables will be ignored");
}
}
else //unhandled property (CELLS, CELL_TYPES, etc.)
{
QStringList parts = nextline.split(" ",QString::SkipEmptyParts);
if (parts.size() < 2)
{
ccLog::Warning(QString("[VTK] Unhandled element: %1").arg(parts[0]));
error = CC_FERR_MALFORMED_FILE;
break;
}
bool ok;
unsigned elements = parts[1].toUInt(&ok);
if (!ok)
{
error = CC_FERR_MALFORMED_FILE;
break;
}
for (unsigned i=0; i<elements; ++i)
{
inFile.readLine(); //ignore
}
//end unhandled property
}
if (error != CC_FERR_NO_ERROR)
break;
}
if (error != CC_FERR_NO_ERROR)
{
if (mesh)
delete mesh;
if (vertices)
delete vertices;
return CC_FERR_MALFORMED_FILE;
}
file.close();
if (mesh && mesh->size() == 0)
{
delete mesh;
mesh = 0;
}
if (vertices->size() == 0)
{
delete vertices;
return CC_FERR_NO_LOAD;
}
if (mesh)
{
container.addChild(mesh);
mesh->setVisible(true);
mesh->addChild(vertices);
vertices->setVisible(false);
vertices->setEnabled(false);
vertices->setName("Vertices");
vertices->setLocked(true); //DGM: no need to lock it as it is only used by one mesh!
//DGM: normals can be per-vertex or per-triangle so it's better to let the user do it himself later
//Moreover it's not always good idea if the user doesn't want normals (especially in ccViewer!)
//if (!mesh->hasNormals())
// mesh->computeNormals();
ccLog::Warning("[VTK] Mesh has no normal! You can manually compute them (select it then call \"Edit > Normals > Compute\")");
mesh->showNormals(mesh->hasNormals());
if (vertices->hasScalarFields())
{
vertices->setCurrentDisplayedScalarField(0);
mesh->showSF(true);
}
if (vertices->hasColors())
mesh->showColors(true);
}
else
{
container.addChild(vertices);
vertices->setVisible(true);
if (vertices->hasNormals())
vertices->showNormals(true);
if (vertices->hasScalarFields())
{
vertices->setCurrentDisplayedScalarField(0);
vertices->showSF(true);
}
if (vertices->hasColors())
vertices->showColors(true);
}
return CC_FERR_NO_ERROR;
}
