int qPoissonReconPlugin::doAction(ccHObject::Container& selectedEntities,
unsigned& uiModificationFlags,
ccProgressDialog* progressCb/*=NULL*/,
QWidget* parent/*=NULL*/)
{
//we need one point cloud
unsigned selNum = selectedEntities.size();
if (selNum!=1)
return -1;
//a real point cloud
ccHObject* ent = selectedEntities[0];
if (!ent->isA(CC_POINT_CLOUD))
return -1;
//with normals!
ccPointCloud* pc = static_cast<ccPointCloud*>(ent);
if (!pc->hasNormals())
return -2;
bool ok;
#if (QT_VERSION >= QT_VERSION_CHECK(4, 5, 0))
int depth = QInputDialog::getInt(0, "Poisson reconstruction","Octree depth:", 8, 1, 24, 1, &ok);
#else
int depth = QInputDialog::getInteger(0, "Poisson reconstruction","Octree depth:", 8, 1, 24, 1, &ok);
#endif
if (!ok)
return 1;
//TODO: faster, lighter
unsigned i,count = pc->size();
float* points = new float[count*3];
if (!points)
return -3;
float* normals = new float[count*3];
if (!normals)
{
delete[] points;
return -3;
}
float* _points = points;
float* _normals = normals;
for (i=0;i<count;++i)
{
const CCVector3* P = pc->getPoint(i);
*_points++ = (float)P->x;
*_points++ = (float)P->y;
*_points++ = (float)P->z;
const PointCoordinateType* N = pc->getPointNormal(i);
*_normals++ = (float)N[0];
*_normals++ = (float)N[1];
*_normals++ = (float)N[2];
}
/*** RECONSTRUCTION PROCESS ***/
CoredVectorMeshData mesh;
PoissonReconLib::PoissonReconResultInfo info;
bool result = false;
if (progressCb)
{
progressCb->setCancelButton(0);
progressCb->setRange(0,0);
progressCb->setInfo("Operation in progress");
progressCb->setMethodTitle("Poisson Reconstruction");
progressCb->start();
//QApplication::processEvents();
//run in a separate thread
s_points = points;
s_normals = normals;
s_count = count;
s_depth = depth;
s_mesh = &mesh;
s_info = &info;
QFuture<void> future = QtConcurrent::run(doReconstruct);
unsigned progress = 0;
while (!future.isFinished())
{
#if defined(_WIN32) || defined(WIN32)
::Sleep(500);
#else
sleep(500);
#endif
progressCb->update(++progress);
//Qtconcurrent::run can't be canceled!
/*if (progressCb->isCancelRequested())
{
future.cancel();
future.waitForFinished();
s_result = false;
break;
}
//*/
}
result = s_result;
progressCb->stop();
QApplication::processEvents();
}
else
{
result = PoissonReconLib::reconstruct(count, points, normals, mesh, depth, &info);
}
delete[] points;
points=0;
delete[] normals;
normals=0;
if (!result || mesh.polygonCount() < 1)
return -4;
unsigned nic = (unsigned)mesh.inCorePoints.size();
unsigned noc = (unsigned)mesh.outOfCorePointCount();
unsigned nr_vertices = nic+noc;
unsigned nr_faces = (unsigned)mesh.polygonCount();
ccPointCloud* newPC = new ccPointCloud("vertices");
newPC->reserve(nr_vertices);
//we enlarge bounding box a little bit (2%)
PointCoordinateType bbMin[3],bbMax[3];
pc->getBoundingBox(bbMin,bbMax);
CCVector3 boxHalfDiag = (CCVector3(bbMax)-CCVector3(bbMin))*0.51f;
CCVector3 boxCenter = (CCVector3(bbMax)+CCVector3(bbMin))*0.5f;
CCVector3 filterMin = boxCenter-boxHalfDiag;
CCVector3 filterMax = boxCenter+boxHalfDiag;
Point3D<float> p;
CCVector3 p2;
for (i=0; i<nic; i++)
{
p = mesh.inCorePoints[i];
p2.x = p.coords[0]*info.scale+info.center[0];
p2.y = p.coords[1]*info.scale+info.center[1];
p2.z = p.coords[2]*info.scale+info.center[2];
newPC->addPoint(p2);
}
for (i=0; i<noc; i++)
{
mesh.nextOutOfCorePoint(p);
p2.x = p.coords[0]*info.scale+info.center[0];
p2.y = p.coords[1]*info.scale+info.center[1];
p2.z = p.coords[2]*info.scale+info.center[2];
newPC->addPoint(p2);
}
ccMesh* newMesh = new ccMesh(newPC);
newMesh->setName(QString("Mesh[%1] (level %2)").arg(pc->getName()).arg(depth));
newMesh->reserve(nr_faces);
newMesh->addChild(newPC);
std::vector<CoredVertexIndex> vertices;
for (i=0; i < nr_faces; i++)
{
mesh.nextPolygon(vertices);
if (vertices.size()!=3)
{
//Can't handle anything else than triangles yet!
assert(false);
}
else
{
for (std::vector<CoredVertexIndex>::iterator it = vertices.begin(); it != vertices.end(); ++it)
if (!it->inCore)
it->idx += nic;
newMesh->addTriangle(vertices[0].idx,
vertices[1].idx,
vertices[2].idx);
}
}
newPC->setVisible(false);
newMesh->setVisible(true);
newMesh->computeNormals();
//output mesh
selectedEntities.push_back(newMesh);
//currently selected entities parameters may have changed!
uiModificationFlags |= CC_PLUGIN_REFRESH_ENTITY_BROWSER;
//currently selected entities appearance may have changed!
uiModificationFlags |= CC_PLUGIN_REFRESH_GL_WINDOWS;
return 1;
}
bool qPoissonReconPlugin::onNewSelection(const ccHObject::Container& selectedEntities)
{
return (selectedEntities.size()==1 && selectedEntities[0]->isA(CC_POINT_CLOUD));
}