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Fix single pixel markers #695

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Merged
merged 6 commits into from
Feb 29, 2012
Merged

Fix single pixel markers #695

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6fa0064
Fix single pixel markers. The pixel shape is now optimized so it doe…
mdboom Feb 6, 2012
342007c
add offset of 0.5 when marker is stroked so that snapping works bette…
leejjoon Feb 29, 2012
fabf327
Respect stroke width on markers in the Ps backend
mdboom Feb 29, 2012
752ad0e
Another attempt at getting pixel markers to work correctly.
mdboom Feb 29, 2012
92e3b63
Fix typo.
mdboom Feb 29, 2012
b05aa16
Comment why the offset of the pixel rectangle is surprising.
mdboom Feb 29, 2012
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Respect stroke width on markers in the Ps backend
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@mdboom
mdboom committed Feb 29, 2012
commit fabf327b03bb162b009be0e4945a0d11ca10f14d
23 changes: 17 additions & 6 deletions lib/matplotlib/backends/backend_ps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -582,18 +582,29 @@ def draw_markers(self, gc, marker_path, marker_trans, path, trans, rgbFace=None)

# construct the generic marker command:
ps_cmd = ['/o {', 'gsave', 'newpath', 'translate'] # dont want the translate to be global
jint = gc.get_joinstyle()
ps_cmd.append('%d setlinejoin' % jint)
cint = gc.get_capstyle()
ps_cmd.append('%d setlinecap' % cint)

lw = gc.get_linewidth()
stroke = lw != 0.0
if stroke:
ps_cmd.append('%.1f setlinewidth' % lw)
jint = gc.get_joinstyle()
ps_cmd.append('%d setlinejoin' % jint)
cint = gc.get_capstyle()
ps_cmd.append('%d setlinecap' % cint)

ps_cmd.append(self._convert_path(marker_path, marker_trans,
simplify=False))

if rgbFace:
ps_cmd.extend(['gsave', ps_color, 'fill', 'grestore'])
if stroke:
ps_cmd.append('gsave')
ps_cmd.extend([ps_color, 'fill'])
if stroke:
ps_cmd.append('grestore')

ps_cmd.extend(['stroke', 'grestore', '} bind def'])
if stroke:
ps_cmd.append('stroke')
ps_cmd.extend(['grestore', '} bind def'])

for vertices, code in path.iter_segments(trans, simplify=False):
if len(vertices):
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