#3202 BBTK Feature New Normal - fast algorithm for ImageBoundaries box

diff --git a/packages/vtk/src/bbvtkImageBoundaries.cxx b/packages/vtk/src/bbvtkImageBoundaries.cxx
index b76ce9624d38023bff3eed9f7fd63dc624a8ae4b..fb9eb2464504f5fd473f5a21534fea7956cd50d1 100644 (file)
--- a/packages/vtk/src/bbvtkImageBoundaries.cxx
+++ b/packages/vtk/src/bbvtkImageBoundaries.cxx
@@ -30,6 +30,9 @@
 //===== 
 #include "bbvtkImageBoundaries.h"
 #include "bbvtkPackage.h"
+#include "creaVtk_MACROS.h"
+
+#include <omp.h>
 namespace bbvtk
 {
 
@@ -40,18 +43,13 @@ BBTK_BLACK_BOX_IMPLEMENTATION(ImageBoundaries,bbtk::AtomicBlackBox);
 //===== 
 void ImageBoundaries::Process()
 {
-       printf("bbtk:vtk::ImageBoundaries::Process start\n");
        if (bbGetInputIn()!=NULL)
        {
-               int i,j,k;      
-               int ext[6];
-               double value;
-               
+               int ext[6];             
                bbGetInputIn()->GetWholeExtent(ext);
                int maxX        = ext[1]-ext[0]+1;
                int maxY        = ext[3]-ext[2]+1;
                int maxZ        = ext[5]-ext[4]+1;
-                               
                int bXMax       = 0;
                int bYMax       = 0;
                int bZMax       = 0;
@@ -59,13 +57,17 @@ void ImageBoundaries::Process()
                int bYMin       = maxY-1;
                int bZMin       = maxZ-1;
                
-               for (i=0 ; i<maxX ; i++)
+/*
+               #pragma omp parallel for
+               for (int i=0 ; i<maxX ; i++)
                {
+                       int j;  
+                       int k;
                        for (j=0 ; j<maxY ; j++)
                        {
                                for (k=0 ; k<maxZ ; k++)
                                {
-                                       value = bbGetInputIn()->GetScalarComponentAsDouble(i, j, k,0);
+                                       double value = bbGetInputIn()->GetScalarComponentAsDouble(i, j, k,0);
                                        if ( (value>=bbGetInputLowerValue()) && (value<=bbGetInputUpperValue())  )
                                        {
                                                if (i<bXMin) bXMin=i;
@@ -78,10 +80,35 @@ void ImageBoundaries::Process()
                                } // for k
                        } // for j
                } // i
-                       
+*/
+
+               DEF_POINTER_IMAGE_VTK_CREA(vI,ssI,pI,stI,bbGetInputIn())        
+               int i;
+               int j;  
+               long int index=0;
+               for (int k=0 ; k<maxZ ; k++)
+               {
+                       for (j=0 ; j<maxY ; j++)
+                       {
+                               for (i=0 ; i<maxX ; i++)
+                               {
+//                                     double value = bbGetInputIn()->GetScalarComponentAsDouble(i, j, k,0);
+                                       GETVALUE2_VTK_CREA(vI,pI,stI,index) 
+                                       index++;
+                                       if ( (vI>=bbGetInputLowerValue()) && (vI<=bbGetInputUpperValue())  )
+                                       {
+                                               if (i<bXMin) bXMin=i;
+                                               if (j<bYMin) bYMin=j;
+                                               if (k<bZMin) bZMin=k;
+                                               if (i>bXMax) bXMax=i;
+                                               if (j>bYMax) bYMax=j;
+                                               if (k>bZMax) bZMax=k;
+                                       }
+                               } // for k
+                       } // for j
+               } // i
                std::vector<int> tmpIndex;              
                std::vector<int> tmpSize;
-               
                if (bXMin>bXMax){
                        tmpIndex.push_back(0);
                        tmpIndex.push_back(0);
@@ -97,13 +124,11 @@ void ImageBoundaries::Process()
                        tmpSize.push_back(bYMax-bYMin+1);
                        tmpSize.push_back(bZMax-bZMin+1);
                }
-                       
                bbSetOutputIndex(tmpIndex);
                bbSetOutputSize(tmpSize);
        } else {
                printf("bbtk warnning: bbtk:vtk:ImageBoundaries box, Input image (In) not initialized..\n");
        }
-       printf("bbtk:vtk::ImageBoundaries::Process end\n");
 }
 //===== 
 // Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)