tune mem usage on host side

Author: robertsulej

examples/1_basic_plot_making/0_try_plotoptix.py

@@ -3,15 +3,18 @@
 
 
 def main():
-    optix = TkOptiX()
+    rt = TkOptiX()
 
     n = 1000000 # 1M data points
 
     xyz = 3 * (np.random.random((n, 3)) - 0.5)
     r = 0.02 * np.random.random(n) + 0.002
 
-    optix.set_data("plot", xyz, r=r)
-    optix.show() # note: non-blocking in the interactive shell
+    rt.set_data("plot", xyz, r=r)
+
+    rt.set_ambient(0.9); # set ambient light, brighter than default
+
+    rt.show() # note: non-blocking in the interactive shell
 
     print("done")