How do I change the marker size with the zoom setting.
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How do I change the marker size to make the markers, points in this case, bigger after zooming in about four times. They then should get smaller when zooming out. The points get very sparse after zooming in and are difficult to spot when they are so small (size 1), but if they are larger when zoomed out all the fine detail is lost.
I have tried the postzoom callback, but there is no way to tell how much zooming has been done in either direction.
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Matt Fig
am 29 Mär. 2011
You can set an ActionPostCallback to execute after a zoom operation has completed. This is where you change the MarkerSize property. Also, to tell whether the zoom was in or out within that callback, look at the Direction property of the zoom object.
To see these properties, look at:
doc zoom
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Daniel Sternberg
am 13 Apr. 2011
The box zoom simply changes the axes limits. The easiest thing to do is to cache the original limits and compute the new marker size based on the current axes limits in the post callback.
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