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Author: bigler
Date: Thu Dec 22 16:47:06 2005
New Revision: 803

Modified:
   trunk/SwigInterface/runmanta.py
Log:

Use a RealisticBvh for the Dielectric scene.  It made a 60%
improvement in speed on my laptop.  The Array1::add() code seems to
work properly for Swig version 1.3.27, but not for 1.3.21.


Modified: trunk/SwigInterface/runmanta.py
==============================================================================
--- trunk/SwigInterface/runmanta.py     (original)
+++ trunk/SwigInterface/runmanta.py     Thu Dec 22 16:47:06 2005
@@ -38,14 +38,19 @@
 def createDielectricTestScene():
     scene = manta_new(Scene())
     scene.setBackground(manta_new(ConstantBackground(Color(RGBColor(0.5, 
0.8, 0.9)))))
+    # world will be added to the scene
     world = manta_new(Group())
+    # Collection of objects that will be put in the BVH.
+    objs = Array1_ObjectP()
     # The gound plane
     groundmatl = manta_new(Lambertian(Color(RGBColor(0.95, 0.65, 0.35))))
+    # We can't add the plane to objs, because it doesn't have a proper
+    # bounding box.
     world.add(manta_new(Plane(groundmatl, Vector(0,0,1), Point(0,0,2.5))))
 
     # Metal sphere
     ball_matl = manta_new(MetalMaterial(Color(RGBColor(0.8, 0.8, 0.8)), 100))
-    world.add(manta_new(Sphere(ball_matl, Point(-6, 3.5, 3.5), 1.0)))
+    objs.add(manta_new(Sphere(ball_matl, Point(-6, 3.5, 3.5), 1.0)))
 
     lenscale = 2.5
     glass = Color(RGBColor(pow(0.80, lenscale), pow(0.93, lenscale), 
pow(0.87, lenscale)))
@@ -55,7 +60,7 @@
 #         transp_matl = manta_new(Lambertian(Color(RGBColor(0.3,0.1,0.1))))
         corner = Point(i*1.3 - 4, -3, 2.5+1.e-4);
         size = Vector(0.20, 2.5, 1.4);
-        world.add(manta_new(Cube(transp_matl, corner, corner+size)))
+        objs.add(manta_new(Cube(transp_matl, corner, corner+size)))
 
     # Line of rings
     ringmatl = manta_new(Lambertian(Color(RGBColor(.6, .6, .9))))
@@ -64,11 +69,13 @@
     center = Point(-6, 0, 2.5+r)
     offset = Vector(2.25*r, 0, 0);
     for i in range(9):
-        world.add(manta_new(Ring(ringmatl,
-                                 center+offset*i,
-                                 Vector(0.2, -1, -0.2),
-                                 inner_radius, r-inner_radius)))
-    
+        objs.add(manta_new(Ring(ringmatl,
+                                center+offset*i,
+                                Vector(0.2, -1, -0.2),
+                                inner_radius, r-inner_radius)))
+
+    # Create a BVH
+    world.add(manta_new(RealisticBvh(objs.get_objs(), objs.size())))
     scene.setObject(world)
 
     lights = manta_new(LightSet())

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• [MANTA] r803 - trunk/SwigInterface, bigler, 12/22/2005

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