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Fix zooming in image plots with vertical orientation #144

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Fix zooming in image plots with vertical orientation #144

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e311cdf
Fix plotting and zooming in image plots with vertical orientation
tonysyu Oct 30, 2013
12afd04
Revert changes to image_plot
tonysyu Oct 30, 2013
ebf4f52
Merge branch 'master' into fix/vertical-image-plot
tonysyu Nov 4, 2013
dbd3a83
Merge branch 'master' into fix/vertical-image-plot
tonysyu Nov 20, 2013
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7 changes: 6 additions & 1 deletion chaco/tools/better_zoom.py
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,11 @@ def _do_zoom(self, new_index_factor, new_value_factor):
y = y_map.map_data(location[1])
nexty = y + (cy - y)*(self._value_factor/new_value_factor)

pan_state = PanState((cx,cy), (nextx, nexty))
if self.component.orientation == 'v':
cx, cy = cy, cx
nextx, nexty = nexty, nextx

pan_state = PanState((cx, cy), (nextx, nexty))
zoom_state = ZoomState((self._index_factor, self._value_factor),
(new_index_factor, new_value_factor))

Expand Down Expand Up @@ -125,6 +129,7 @@ def zoom_in(self, factor=0):
return
if self._zoom_limit_reached(new_value_factor, 'x'):
return

self._do_zoom(new_index_factor, new_value_factor)

def zoom_out(self, factor=0):
Expand Down