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Author: hansong
Date: Tue Aug 16 11:00:04 2005
New Revision: 474

Modified:
   branches/itanium2/scenes/volume.cc
Log:
handle 16-bit data

Modified: branches/itanium2/scenes/volume.cc
==============================================================================
--- branches/itanium2/scenes/volume.cc  (original)
+++ branches/itanium2/scenes/volume.cc  Tue Aug 16 11:00:04 2005
@@ -1,5 +1,4 @@
 
-
 // Manta Test Scene for volume rendering
 // Hansong Zhang and Abe Stephens
 // hansong@sgi.com   abe@sgi.com
@@ -93,16 +92,35 @@
        Scene *scene = new Scene();
        Group *group = new Group();
 
+       Manta::AABox3f bounds; 
+       TransferFunction *tf = new TransferFunction();
+       tf->load( tf_name.c_str() );
+       VolumeRenderingParams *vrp = new VolumeRenderingParams(tf);
+
+       VolumeDescription vd;
+       vd.load(file_name.c_str());
+if (vd.comp_size == 1) {
+
        VolumeGrid<unsigned char> *vg = new VolumeGrid<unsigned char>;
        vg->load(file_name.c_str(), 128, false, 0);
        group->add(vg);
 
+       vg->setVolumeRenderingParams(vrp);
+
+       bounds = vg->getBound();
+} else {
        TransferFunction *tf = new TransferFunction();
        tf->load( tf_name.c_str() );
-       
-       VolumeRenderingParams *vrp = new VolumeRenderingParams(tf);
+
+       VolumeGrid<short> *vg = new VolumeGrid<short>;
+       vg->load(file_name.c_str(), 128, false, 0);
+       group->add(vg);
+
        vg->setVolumeRenderingParams(vrp);
 
+       bounds = vg->getBound();
+}
+
        LightSet *lights = new LightSet();
        
        lights->add( new HeadLight( 2.0, Color(RGB(1.0,1.0,1.0)) ));
@@ -112,12 +130,11 @@
        // Add the tree to the scene.
        scene->setObject( group );
        
-       const Manta::AABox3f &bounds = vg->getBound();
        // Set other important scene properties.
        PinholeCamera *camera = new PinholeCamera(
-                       PointT<Real,3>(30, 30, 256),
-                       PointT<Real,3>(30, 30, 0),
-                       Vector(0,1,0), 40.0 );
+                       PointT<Real,3>(bounds.max[0]/2, bounds.max[1]/2, 
bounds.max[2]*2),
+                       PointT<Real,3>(bounds.max[0]/2, bounds.max[1]/2, 0),
+                       Vector(0,1,0), 50.0 );
        
        // Background.
        scene->setBackground( new ConstantBackground( Color(RGB(0.8, 0.8, 
0.8)) ) );

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• [MANTA] r474 - branches/itanium2/scenes, hansong, 08/16/2005

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