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Author: bigler
Date: Sun Apr 15 21:26:05 2007
New Revision: 1346

Modified:
   trunk/SwigInterface/runmanta.py
Log:

Added addDebugRays function that reads in a file formatted with the
raytree stuff.

Added addFileInterface function.


Modified: trunk/SwigInterface/runmanta.py
==============================================================================
--- trunk/SwigInterface/runmanta.py     (original)
+++ trunk/SwigInterface/runmanta.py     Sun Apr 15 21:26:05 2007
@@ -2,6 +2,8 @@
 
 global factory
 
+import string
+
 def createDefaultScenePython():
     scene = manta_new(Scene())
     
scene.setBackground(manta_new(ConstantBackground(ColorDB.getNamedColor("SkyBlue3").scaled(0.5))))
@@ -156,6 +158,44 @@
     #
     return scene
 
+def getVectorFromTokens(tokens, index):
+    return Vector(string.atof(tokens[index+1]),
+                  string.atof(tokens[index+2]),
+                  string.atof(tokens[index+3]))
+
+def addDebugRays(objs, infilename, radius, deadEndRayLength = 2):
+    materials = [manta_new(Lambertian(Color(RGBColor(1,0,0)))),
+                 manta_new(Lambertian(Color(RGBColor(1,1,0)))),
+                 manta_new(Lambertian(Color(RGBColor(0,1,0)))),
+                 manta_new(Lambertian(Color(RGBColor(0,1,1)))),
+                 manta_new(Lambertian(Color(RGBColor(0,0,1)))),
+                 manta_new(Lambertian(Color(RGBColor(1,0,1))))]
+    infile = open(infilename, "rU")
+    # Now read the lines
+    lines = map( lambda x: string.strip(x, string.whitespace),
+                 infile.readlines() )
+    infile.close()
+    # Loop over all the lines and pull out the relevant stuff
+    for l in lines[0:]:
+        tokens = l.split()
+        if ("raytree:" in tokens):
+            originIndex = tokens.index("origin")
+            origin = getVectorFromTokens(tokens, originIndex)
+            raydepth = string.atoi(tokens[tokens.index("depth")+1])
+            matl = materials[raydepth%len(materials)]
+            # Try and get the hitpos
+            if ("hitpos" in tokens):
+                print "Normal ray"
+                hitposIndex = tokens.index("hitpos")
+                hitpos = getVectorFromTokens(tokens, hitposIndex)
+            else:
+                print "Computing stub"
+                # Get the direction and compute a distance
+                directionIndex = tokens.index("direction")
+                direction = getVectorFromTokens(tokens, directionIndex)
+                hitpos = origin + (direction.normal() * deadEndRayLength)
+            objs.add(manta_new(Cylinder(matl, origin, hitpos, radius)))
+    
 def createTransparentShadowScene():
     scene = manta_new(Scene())
     scene.setBackground(manta_new(ConstantBackground(Color(RGBColor(0.5, 
0.8, 0.9)))))
@@ -166,7 +206,7 @@
     objs = Array1_ObjectP()
     #
     checker1 = manta_new(CheckerTexture_Color(Color(RGBColor(.6,.6,.6)),
-                                              Color(RGBColor(0,0,0)),
+                                              Color(RGBColor(0.3,0.3,0.3)),
                                               Vector(1,0,0),
                                               Vector(0,1,0)))
     groundmatl = manta_new(Lambertian(checker1))
@@ -176,15 +216,18 @@
     #
     lenscale = 2.5
     glass = Color(RGBColor(pow(0.80, lenscale), pow(0.93, lenscale), 
pow(0.87, lenscale)))
-    transp_matl = manta_new(Dielectric(1, 1.01, glass))
+    transp_matl = manta_new(Dielectric(1.5, 1, glass))
     print transp_matl
     objs.add(manta_new(Cube(transp_matl,
                             Vector(-5, -2, 2.95 ),
-                            Vector(-1, 2, 3.05))))
+                            Vector(-1, 2, 3.36))))
 #     objs.add(manta_new(Cube(manta_new(Dielectric(1.1, 1, glass)),
 #                             Vector(-5, -2, 2.95 ),
 #                             Vector(-1, 2, 3.05))))
 
+#     objs.add(manta_new(Sphere(transp_matl,
+#                               Vector( -3, 0, 4.5), 0.5)))
+                              
     ringmatl = manta_new(Lambertian(Color(RGBColor(.9, .3, .2))))
     print ringmatl
     r = .30
@@ -197,6 +240,7 @@
                                 Vector(0, 0, 1),
                                 inner_radius, r-inner_radius)))
 
+    #addDebugRays(objs, "raytree", 0.05)
     # Create a BVH
     world.add(manta_new(RealisticBvh(objs.get_objs(), objs.size())))
     scene.setObject(world)
@@ -224,10 +268,12 @@
     engine.changeNumWorkers(numworkers)
     factory.selectImageType("rgba8")
     factory.selectLoadBalancer("workqueue")
-    factory.selectImageTraverser("tiled")
+    factory.selectImageTraverser("tiled(-square -tilesize 30x5)")
+#    factory.selectImageTraverser("tiled")
     factory.selectPixelSampler("singlesample")
     #factory.selectPixelSampler("jittersample(-numberOfSamples 4)")
     factory.selectRenderer("raytracer")
+    #factory.selectShadowAlgorithm("noshadows")
     factory.selectShadowAlgorithm("hard(-attenuate)")
     #factory.selectShadowAlgorithm("hard")
     #
@@ -251,15 +297,22 @@
     ui.startup()
     engine.createChannel("null", camera, False, xres, yres)
 
+def addFileInterface(engine, camera, xres, yres):
+    ui = factory.createUserInterface("null")
+    ui.startup()
+    display = factory.createImageDisplay("file(-type tga -prefix runmanta)")
+    engine.createChannel(display, camera, False, xres, yres)
 
 engine = setupDefaultEngine(1)
 
 #defaultCamera = factory.createCamera("pinhole(-eye 3 3 2 -lookat 0 0 0.3 
-up 0 0 1 -fov 60)")
 #defaultCamera = factory.createCamera("pinhole(-eye 8 -18 8.5 -lookat -4.7 
2.5 2.5 -up 0 0 1 -fov 15)")
 defaultCamera = factory.createCamera("pinhole(-eye 8.3 -18 7 -lookat -4.7 
2.5 3 -up 0 0 1 -fov 15)")
+#defaultCamera = factory.createCamera("pinhole( -eye 8.06072 -17.7429 
8.73358 -lookat -4.98977 2.23422 2.74486 -up -0.0793095 0.0464671 0.995767 
-fov 15 )")
 
 addXInterface(engine, defaultCamera, 512, 512)
 #addNullInterface(engine, defaultCamera, 512, 512)
+#addFileInterface(engine, defaultCamera, 512, 512)
 
 # scene = createDefaultScene()
 #scene = createDefaultScenePython()

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• [MANTA] r1346 - trunk/SwigInterface, bigler, 04/15/2007

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