diff -urN rt_v7/cg.py rt_v8/cg.py
--- rt_v7/cg.py	2018-03-21 22:28:22.000000000 +0900
+++ rt_v8/cg.py	2018-03-22 13:58:02.000000000 +0900
@@ -57,8 +57,7 @@
 	rtd = { 'base': 1.0, 'diff': 0 }
 
 	maps = [
-		{ 'fn': 'g43.gif', 'fn_r': 'g43.gif', 't2m': [ ax.zoom_all(8) ] },
-		{ 'fn': 'g43.gif', 't2m': [ ax.zoom_all(8), ax.zoom_z(-1) ] },
+		{ 'fn': 'IMG_3999_3.mov', 'fn_r': 'IMG_3999_4.mov', 't2m': [ ax.zoom_all(3) ] },
 	]
 
 	data = [ {
@@ -69,10 +68,9 @@
 		'm2g': [ ax.zoom_all(50) ],
 	},{
 		'kind': 'ball',
-		'rtd': rtd,
+		'rtd': { 'base':0.1, 'diff': 0, 'reflact': 0.5, 'density': 2 },
 		'def_col': [128,0,0],
 		'l2m': [ ax.zoom_all(20.0/50) ],
-		'maps': maps,
 		'm2g': [ ax.zoom_all(50) ],
 	} ]