--- /home/sjplimp/oldpizza/src/svg.py	2005-10-12 09:34:02.000000000 -0600
+++ /home/sjplimp/pizza/src/svg.py	2005-10-12 09:31:46.000000000 -0600
@@ -18,14 +18,13 @@
 s.bg("black")               set background color (def = "black")
 s.size(N)		    set image size to NxN
 s.size(N,M)		    set image size to NxM
-s.rotate(60,135)            view from angle: z theta and azmth phi (def = 0,0)
+s.rotate(60,135)            view from z theta and azimuthal phi (def = 60,30)
 s.trans(x,y)                translate by x,y in view window (def = 0,0)
 s.zoom(0.5)                 scale image by factor (def = 1)
 s.box(0/1/2)                0/1/2 = none/variable/fixed box
 s.box(0/1/2,"green")        set box color
 s.box(0/1/2,"red",4)        set box edge thickness
 s.file = "image"            file prefix for created images (def = "image")
-s.thick = 2.0               pixel thickness of black atom border
 
 s.show(N)                   show image of snapshot at timestep N
 
@@ -77,6 +76,10 @@
 colors["nickname"] = [R,G,B]       set new RGB values from 0 to 255
 
   140 pre-defined colors: red, green, blue, purple, yellow, black, white, etc
+
+Settings specific to svg tool:
+
+s.thick = 2.0               pixel thickness of black atom border
 """
 
 # History
@@ -92,23 +95,20 @@
 # Variables
 #   ztheta = vertical angle from z-azis to view from
 #   azphi = azimuthal angle to view from
-#   xshift,yshift = user specified xy translation
-#   xtrans,ytrans,ztrans = xyz translation to view from
-#   distance = characteristic size of simulation scene (largest dim)
+#   xshift,yshift = xy translation of scene (in pixels)
+#   distance = size of simulation box (largest dim)
 #   file = filename prefix to use for images produced
 #   boxflag = 0/1/2 for drawing simulation box: none/variable/fixed
 #   bxcol = color of box
 #   bxthick = thickness of box
 #   bgcol = color of background
-#   amap = settings for atom types
-#   tmap = settings for triangle types
-#   bmap = settings for bond types
+#   vizinfo = scene attributes
 
 # Imports and external programs
 
 import sys, os, commands, re
 from vizinfo import vizinfo
-from math import sqrt,atan,cos,sin
+from math import sqrt,atan,cos,sin,fabs
 
 try: from DEFAULTS import PIZZA_DISPLAY
 except: PIZZA_DISPLAY = "display"
@@ -121,10 +121,12 @@
 
   def __init__(self,data):
     self.data = data
-    self.ztheta = self.azphi = 0.0
-    self.xtrans = self.ytrans = self.ztrans = 0.0
-    self.xshift = self.yshift = 0.0
+    self.max_x = 512
+    self.max_y = 512
+    self.ztheta = 60
+    self.azphi = 30
     self.scale = 1.0
+    self.xshift = self.yshift = 0
 
     self.file = "image"
     self.boxflag = 0
@@ -136,9 +138,6 @@
     self.select = ""
     self.thick = 1.0
 
-    self.max_x = 512
-    self.max_y = 512
-    
     self.vizinfo = vizinfo()
     self.adef()
     self.bdef()