| zoom capability in IDL object graphics? [message #13856] |
Wed, 16 December 1998 00:00  |
Fred Knight
Messages: 6
Registered: May 1996
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Junior Member |
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I haven't monitored this list for months, so I don't know if this topic
has been covered. Forgive me. I want something in IDL like Matlab's
zoom feature in a figure window.
To be specific, in Matlab, you draw into an X window (that has a few
pull-down menus), and you can also use the mouse to zoom in and out when
you turn on the zoom feature. I find Matlab's zoom feature extremely
enticing. With IDL's object graphics, the same should be possible.
IDL's live_plot (at least through version 5.1) allows annotation,
printing, and zooming out---but not the capability to zoom in on a
particular region of interest. IDL's live_image doesn't allow
translation or zooming. IDL's insight has a minimal (2 steps) of "zoom
in" that you can access from the pull-down View menu, but this is slow,
cumbersome, and not mouse-based.
I'd like to hear whether IDL users have developed object graphics with
mouse-based zoom capability, e.g., click-and-drag selection of region of
interest on 2-D plots and images. The larger question is how RSI will
add this capability. Comments?
Fred
--
Fred Knight | knight@ll.mit.edu | 781 981 1053 | fax: 781 981 5359
C-490 | MIT Lincoln Laboratory | 244 Wood St. | Lexington, MA 02420-9108
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