The original discussion is here:http://groups.google.com/group/sage- support/browse_thread/thread/3f4ad882ba420693?hl=en. However, since the discussion seems closed I can't reply to it so I just opened this another discussion.
I'm using sage4.7.1 and running it on ubuntu 11.04. I tried to create a branch for sage and patch this: http://trac.sagemath.org/sage_trac/ticket/9491 and it seems worked since sagenb will not complain about the unknown argument 'opacity' after that but patching procedure reported: {{{ Hunk #1 FAILED at 119 Hunk #2 FAILED at 146 Hunk #3 FAILED at 167 Hunk #4 FAILED at 179 4 out of 4 hunks FAILED -- saving rejects to file sage/plot/ contour_plot.py.rej abort: patch failed to apply }}} The region_plot works well to fill some area with color and transparent to axis and lines but it fails for points. For my example: {{{ c1 = line([[5,8],[7,0]]) c2 = line([[-1,7],[7,5]]) c3 = line([[-1,-2],[6,5]]) f = [()] g = [()] for i in range(8): for j in range(8): if (4*i+j<=28)&(i+4*j<=27)&(i-j<=1): f.append((i,j)) else: g.append((i,j)) f.pop(0) g.pop(0) c = line([[0,0],[2,5]]) var('x y') r1=region_plot(max(x+4*y-28,x-y-1)<=-.5,(x,0,6),(y, 0,5),incol='lightblue',borderwidth=0,opacity=0.5) r1+=point(f,rgbcolor=[1,0,0])+plot(c1)+plot(c2)+plot(c3)+point(g) r1.show() }}} The points in the area of region_plot are covered by the region_plot. I'm not sure whether I failed to patch it or the patch indeed fails to work for points. Thx. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org