Added ActiveMesh::RenderOneTimeTexture().

Batch is producing masks and texture (modified RenderMesh()).

cmath3d/TriangleMesh.cpp

@@ -2,11 +2,15 @@
 #include <fstream>
 #include <map>
 #include <lapacke.h>
+
 #include <i3d/draw.h>
 #include <i3d/morphology.h>
+#include <i3d/DistanceTransform.h>
+#include <i3d/filters.h>
 
 #include "TriangleMesh.h"
 #include "../cmath3d_v/TriangleMesh_v.h"
+#include "../src/rnd_generators.h"
 #undef min
 #undef max
 
@@ -834,6 +838,63 @@ void ActiveMesh::RenderMaskB(i3d::Image3d<i3d::GRAY16>& mask)
 }
 
 
+void ActiveMesh::RenderOneTimeTexture(const i3d::Image3d<i3d::GRAY16>& mask,
+                                      i3d::Image3d<i3d::GRAY16>& texture)
+{
+	i3d::Image3d<float> dt;
+	i3d::GrayToFloat(mask,dt);
+	i3d::EDM(dt,0,100.f,false);
+
+	dt.SaveImage("dt.ics");
+
+	float* p=dt.GetFirstVoxelAddr();
+	float* const pL=p+dt.GetImageSize();
+	int randomCounter=20;
+	while (p != pL)
+	{
+		//are we on a surface shell?
+		if (*p < 0.10f)
+		{
+			//invert the intensity levels (iso-lines)
+			if (*p > 0.f) *p=(0.12f-*p)*100.f;
+
+			//introduce random bumbs?
+			if (randomCounter==0)
+			{
+				*p *= 2.f;
+				randomCounter=30; //something random here...
+			}
+			--randomCounter;
+		}
+		else *p=0.f; //else clear the pixel value
+		++p;
+	}
+
+	dt.SaveImage("dt2.ics");
+	i3d::GaussIIR(dt,3.f,3.f,9.f);
+	p=dt.GetFirstVoxelAddr();
+	for (; p != pL; ++p)
+	{
+		//uncertainty in the number of incoming photons
+		float noiseMean = sqrt(*p), // from statistics: shot noise = sqrt(signal) 
+				noiseVar = noiseMean; // for Poisson distribution E(X) = D(X)
+
+		*p=ceilf(*p + GetRandomPoisson(noiseMean) - noiseVar);
+
+		//constants are parameters of Andor iXon camera provided from vendor:
+		//photon shot noise: dark current
+		*p+=GetRandomPoisson(0.06f);
+
+		//read-out noise:
+		//  variance up to 25.f (old camera on ILBIT)
+		//  variance about 1.f (for the new camera on ILBIT)
+		//*p+=GetRandomGauss(700.f,90.f);
+	}
+
+	i3d::FloatToGrayNoWeight(dt,texture);
+}
+
+
 void ActiveMesh::CenterMesh(const Vector3F& newCentre)
 {
 	//calc geom. centre

cmath3d/TriangleMesh.h

@@ -109,6 +109,8 @@ class ActiveMesh
 
 	void RenderMask(i3d::Image3d<i3d::GRAY16>& mask,const bool showTriangles=false);
 	void RenderMaskB(i3d::Image3d<i3d::GRAY16>& mask);
+	void RenderOneTimeTexture(const i3d::Image3d<i3d::GRAY16>& mask,
+	                          i3d::Image3d<i3d::GRAY16>& texture);
 
 	void CenterMesh(const Vector3F& newCentre);
 	void ScaleMesh(const Vector3F& scale);

src/main.cpp

@@ -45,7 +45,8 @@ int main(void)
 
 
 	//ISBI:
-	for (int i=0; i < 50; ++i)
+	//for (int i=0; i < 50; ++i)
+	for (int i=10; i < 11; ++i)
 	{
 		LoadNewMesh(i);
 		RenderMesh(i);
@@ -159,5 +160,11 @@ int RenderMesh(int fileNo)
 	mask.SaveImage(fileName);
 	std::cout << "rendered mesh #" << fileNo << "\n";
 
+	i3d::Image3d<i3d::GRAY16> texture;
+	mesh.RenderOneTimeTexture(mask,texture);
+	sprintf(fileName,"text_t%03d.tif",fileNo);
+	texture.SaveImage(fileName);
+	std::cout << "textured mesh #" << fileNo << "\n";
+
 	return(0);
 }