--- /home/sjplimp/oldpizza/src/svg.py	2005-09-07 10:13:09.000000000 -0600
+++ /home/sjplimp/pizza/src/svg.py	2005-09-08 10:51:11.000000000 -0600
@@ -19,7 +19,7 @@
 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.trans(x,y,z)              view from xyz translation (def = 0,0,0)
+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.file = "image"            file prefix for created images (def = "image")
@@ -83,7 +83,6 @@
 #     would not let you grow # of atoms selected
 #   box draw overlays all atoms, needs to be z-clipped
 #     might have to draw as segments and include segments in z-sort
-#   trans() fn is not working yet
 #   labels are not using colors from color table
 #   need to allow color and radius for box lines
 
@@ -217,7 +216,7 @@
 
     # loop over all selected steps
     # distance from 1st snapshot box or max box for all selected steps
-    # pre-call single() to re-center simulation data on 1st step or if panning
+    # call single() w/ scaling on 1st step or if panning
 
     if len(list) <= 1:
 
@@ -261,7 +260,7 @@
 
     # loop ncount times on same step
     # distance from 1st snapshot box or max box for all selected steps
-    # pre-call single() to re-center simulation data on 1st step or if panning
+    # call single() w/ scaling on 1st step or if panning
 
     else:
 
@@ -324,8 +323,12 @@
       xctr = 0.5 * (box[0]+box[3])
       yctr = 0.5 * (box[1]+box[4])
       zctr = 0.5 * (box[2]+box[5])
-      self.offsetx = matrix[0]*xctr + matrix[3]*yctr + matrix[6]*zctr
-      self.offsety = matrix[1]*xctr + matrix[4]*yctr + matrix[7]*zctr
+      if self.ztheta or self.azphi:
+        self.offsetx = matrix[0]*xctr + matrix[3]*yctr + matrix[6]*zctr
+        self.offsety = matrix[1]*xctr + matrix[4]*yctr + matrix[7]*zctr
+      else:
+        self.offsetx = xctr
+        self.offsety = yctr
 
     olist = []
 
@@ -461,9 +464,9 @@
     factor = self.factor
     offsetx = self.offsetx
     offsety = self.offsety
-    xctr = 0.5 * self.max_x
-    yctr = 0.5 * self.max_y
-    
+    xctr = 0.5 * self.max_x + factor*self.xshift
+    yctr = 0.5 * self.max_y - factor*self.yshift
+
     for obj in objlist:
       if obj[0] == 0:
         obj[2] = factor*(obj[2] - offsetx) + xctr
--- /home/sjplimp/oldpizza/doc/svg.txt	2005-09-07 10:13:10.000000000 -0600
+++ /home/sjplimp/pizza/doc/svg.txt	2005-09-08 10:49:20.000000000 -0600
@@ -71,7 +71,7 @@
 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.trans(x,y,z)              view from xyz translation (def = 0,0,0)
+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.file = "image"            file prefix for created images (def = "image") :pre
--- /home/sjplimp/oldpizza/doc/svg.html	2005-09-07 10:13:10.000000000 -0600
+++ /home/sjplimp/pizza/doc/svg.html	2005-09-08 10:49:30.000000000 -0600
@@ -74,7 +74,7 @@
 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.trans(x,y,z)              view from xyz translation (def = 0,0,0)
+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.file = "image"            file prefix for created images (def = "image")