GenericIndexedCloud* CloudSamplingTools::resampleCloudWithOctree( GenericIndexedCloudPersist* inputCloud,
int newNumberOfPoints,
RESAMPLING_CELL_METHOD resamplingMethod,
GenericProgressCallback* progressCb,
DgmOctree* inputOctree)
{
assert(inputCloud);
DgmOctree* octree = inputOctree;
if (!octree)
{
octree = new DgmOctree(inputCloud);
if (octree->build(progressCb) < 1)
return 0;
}
//look for the Octree level that gives the number of cells (= points) closest to the desired value
unsigned char bestLevel = octree->findBestLevelForAGivenCellNumber(newNumberOfPoints);
GenericIndexedCloud* sampledCloud = resampleCloudWithOctreeAtLevel(inputCloud, bestLevel, resamplingMethod, progressCb, octree);
if (!inputOctree)
delete octree;
return sampledCloud;
}
ReferenceCloud* CloudSamplingTools::subsampleCloudWithOctree( GenericIndexedCloudPersist* inputCloud,
int newNumberOfPoints,
SUBSAMPLING_CELL_METHOD subsamplingMethod,
GenericProgressCallback* progressCb/*=0*/,
DgmOctree* inputOctree/*=0*/)
{
assert(inputCloud);
DgmOctree* octree = inputOctree;
if (!octree)
{
octree = new DgmOctree(inputCloud);
if (octree->build(progressCb) < 1)
return 0;
}
//on cherche le niveau qui donne le nombre de points le plus proche de la consigne
unsigned char bestLevel = octree->findBestLevelForAGivenCellNumber(newNumberOfPoints);
ReferenceCloud* subsampledCloud = subsampleCloudWithOctreeAtLevel(inputCloud,bestLevel,subsamplingMethod,progressCb,octree);
if (!inputOctree)
delete octree;
return subsampledCloud;
}
GenericIndexedCloud* CloudSamplingTools::resampleCloudWithOctree(GenericIndexedCloudPersist* theCloud, int newNumberOfPoints, RESAMPLING_CELL_METHOD resamplingMethod, GenericProgressCallback* progressCb, DgmOctree* _theOctree)
{
assert(theCloud);
DgmOctree* theOctree = _theOctree;
if (!theOctree)
{
theOctree = new DgmOctree(theCloud);
if (theOctree->build(progressCb) < 1)
return 0;
}
//on cherche le niveau qui donne le nombre de points le plus proche de la consigne
uchar bestLevel=theOctree->findBestLevelForAGivenCellNumber(newNumberOfPoints);
GenericIndexedCloud* sampledCloud = resampleCloudWithOctreeAtLevel(theCloud,bestLevel,resamplingMethod,progressCb,theOctree);
if (!_theOctree)
delete theOctree;
return sampledCloud;
}
