[GRASS5] Zoom
Radim Blazek
blazek at itc.it
Tue Apr 16 10:21:04 EDT 2002
Hi,
it was already mentioned in grass list few times, that d.zoom could be
modified, because I also think so, here is my proposal how to do that:
Prerequisities (for discussion):
1. Most improtant zoom operations:
- zoom in by window
- zoom out by point
- pan by point
2. Right button used for "Quit/Go to upper menu". Right button is already
used for quit by many functions in v.digit.
3. d.zoom and Zoom in v.digit must be identical.
4. Menu should not have more than 2 levels, more levels are confusing.
5. No need to ask always user if he realy wants to do what he already
selected.
Proposed behaviour for d.zoom:
Main menu:
L:Zoom menu
M:Pan
R:Quit
Zoom menu - Mode 1:
L: 1. corner + switch to mode 2.
M: Unzoom
R: Main menu
Zoom menu - Mode 2:
L: 1. corner (reset)
M: 2. corner
R: Main menu
This (or something better) should be done before 5.0.0 release, I think.
Modified module is here:
http://mpa.itc.it/radim/g50/d.zoom2.tar.gz
and precompiled version for Linux/i386:
http://mpa.itc.it/radim/g50/d.zoom2
Radim
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