void InventorShape::computeShape() {
Bnd_Box bounds;
BRepBndLib::Add(shape->getShape(), bounds);
bounds.SetGap(0.0);
Standard_Real xMin, yMin, zMin, xMax, yMax, zMax;
bounds.Get(xMin, yMin, zMin, xMax, yMax, zMax);
Standard_Real deflection = ((xMax-xMin)+(yMax-yMin)+(zMax-zMin))/300.0 * 0.2;
BRepMesh::Mesh(shape->getShape(), deflection);
SoGroup* faces = new SoGroup();
computeFaces(faces, shape->getShape());
separator->addChild(faces);
SoGroup* edges = new SoGroup();
computeEdges(edges, shape->getShape());
separator->addChild(edges);
SoGroup* vertices = new SoGroup();
computeVertices(vertices, shape->getShape());
separator->addChild(vertices);
}
//#define DEBUG
void ProgResolutionIBW::run()
{
V.read(fnVol);
//Mask generation
Image<double> aux;
double bg_mean;
MultidimArray<double> Vmask;
detectBackground(V(),aux(),0.1,bg_mean);
#ifdef DEBUG
aux.write("PPPmask_no_ero_03.vol");
#endif
//Mask volume erosion to expand the mask boundaries
Vmask.initZeros(V());
erode3D(aux(),Vmask, 18,0,2);
//Correction of some flaws produced in the edges of the mask volume
FOR_ALL_DIRECT_ELEMENTS_IN_ARRAY3D(Vmask)
if (k<=4 || i<=4 || j<=4 ||
k>=ZSIZE(Vmask)-4 || i>=YSIZE(Vmask)-4 || j>=XSIZE(Vmask)-4)
DIRECT_A3D_ELEM(Vmask,k,i,j)=1;
aux()=Vmask;
#ifdef DEBUG
aux.write("PPPmask_ero_03.vol");
#endif
//Sobel edge detection applied to original volume
Image<double> Vedge;
computeEdges(V(),Vedge());
#ifdef DEBUG
Vedge.write("PPPvolume_sobel_unmask_03.vol");
#endif
//Masked volume generation
const MultidimArray<double> &mVedge=Vedge();
FOR_ALL_DIRECT_ELEMENTS_IN_MULTIDIMARRAY(mVedge)
if (DIRECT_MULTIDIM_ELEM(Vmask,n)==1)
DIRECT_MULTIDIM_ELEM(mVedge,n)=0;
#ifdef DEBUG
Vedge.write("volume_sobel_mask_03.vol");
#endif
double minval, maxval, avg, stddev;
//Invert the mask to meet computeStats_within_binary_mask requirements
FOR_ALL_DIRECT_ELEMENTS_IN_MULTIDIMARRAY(Vmask)
if (DIRECT_MULTIDIM_ELEM(Vmask,n)==1)
DIRECT_MULTIDIM_ELEM(Vmask,n)=0;
else
DIRECT_MULTIDIM_ELEM(Vmask,n)=1;
//Threshold is 3 times the standard deviation of unmasked pixel values
double thresh;
computeStats_within_binary_mask(Vmask,mVedge,minval, maxval, avg, stddev);
thresh=3*stddev;
//Final edge volume generated by setting to 1 positions with values > threshold
Image<double> Vaux;
Vaux().initZeros(mVedge);
FOR_ALL_DIRECT_ELEMENTS_IN_MULTIDIMARRAY(mVedge)
if (DIRECT_MULTIDIM_ELEM(mVedge,n)>=thresh)
DIRECT_MULTIDIM_ELEM(Vaux(),n)=1;
#ifdef DEBUG
Vaux.write("volumen_bordes_definitivo_03.vol");
#endif
const MultidimArray<double> &mVaux=Vaux();
//Spline coefficient volume from original volume, to allow <1 step sizes
MultidimArray<double> Volcoeffs;
Volcoeffs.initZeros(V());
produceSplineCoefficients(3,Volcoeffs,V());
//Width parameter volume initialization
Image<double> widths;
widths().resizeNoCopy(V());
widths().initConstant(1e5);
double step=0.25;
Matrix1D<double> direction(3);
//Calculation of edge width for 10 different directions, if a smaller value is found for a different
//direction on a given position the former value is overwritten
//Direction (1,0,0)
VECTOR_R3(direction,1,0,0);
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (0,1,0)
VECTOR_R3(direction,0,1,0);
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (0,0,1)
VECTOR_R3(direction,0,0,1);
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (1,1,0)
VECTOR_R3(direction,(1/sqrt(2)),(1/sqrt(2)),0);
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (1,0,1)
VECTOR_R3(direction,(1/sqrt(2)),0,(1/sqrt(2)));
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (0,1,1)
VECTOR_R3(direction,0,(1/sqrt(2)),(1/sqrt(2)));
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (1,1,1)
VECTOR_R3(direction,(1/sqrt(3)),(1/sqrt(3)),(1/sqrt(3)));
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (-1,1,1)
VECTOR_R3(direction,-(1/sqrt(3)),(1/sqrt(3)),(1/sqrt(3)));
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (1,1,-1)
VECTOR_R3(direction,(1/sqrt(3)),(1/sqrt(3)),-(1/sqrt(3)));
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
//Direction (1,-1,1)
VECTOR_R3(direction,(1/sqrt(3)),-(1/sqrt(3)),(1/sqrt(3)));
edgeWidth(Volcoeffs, mVaux, widths(), direction, step);
#ifdef DEBUG
std::cout << "width stats: ";
widths().printStats();
std::cout << std::endl;
widths.write("PPPwidths.vol");
#endif
double ibw=calculateIBW(widths());
std::cout << "Resolution ibw= " << ibw << std::endl;
if (fnOut!="")
widths.write(fnOut);
}
