Thank you! I am checking on it...
Daniel Victoria wrote: > > A long time ago (2003) I asked the same question about linking monitors! > The tread is here: > http://www.nabble.com/-GRASSLIST%3A5609--Linking-Monitors-tf3101985.html#a8608876 > > John Gillette came up with a nice script to do this using two display > monitors, x0 and x1. > Drawbacks: > 1. You must use the old monitors, not a big problem I think > 2. You must execute the script every time for each pan or zoom > 3. Only one movement por script run (one pan or one zoom) > > Maybe there is a way to implement this using the new displays... > To use the old x displays, go to the grass command line and issue: > d.mon start x0 > d.mon start x1 > This will start the monitors > To select the monitor to use issue: > d.mon select=x0 > d.erase erases the monitor > d.rast map=your_map draws on the monitor > > Good luck :) > Daniel > > The original message by John Gillette follows: > --------------------------------------------------------------------------------- > [GRASSLIST:5636] Linking Monitors script Click to flag this post > > by John Gillette Feb 21, 2003; 05:50pm :: > > try this: > > Select and then Erase x1 and then display what ever you want there. > Select x0 and erase and display other info there. > > Run this script to either pan or zoom in x0. After finishing > the pan or zoom x1 will redraw it's contents at the same region > thereby "following" what ever is done in x0. > > The disadvantage is that you can only do 1 pan or zoom at a time, > i.e. not interactively. > > usage: > > script_name z <- does zoom instead of pan > script_name > > zooming and panning in x0. x0 is selected at exit. > > Does this help? > > John > > ------------------ > #!/bin/sh > > d.mon select=x1 > monitor1=`d.save -o` > > d.mon select=x0 > if [ "$1" = "z" ] > then > d.zoom > else > d.pan > fi > region=`g.region -g` > > d.mon select=x1 > d.erase > g.region $region > eval "$monitor1" > > d.mon select=x0 > > exit 0 > > > > On Nov 5, 2007 7:39 AM, Moritz Lennert <[EMAIL PROTECTED]> > wrote: >> On 04/11/07 10:24, Nikos Alexandris wrote: >> > Please excuse me for my "poor" descriptions before. >> > >> > The kinf of "Link" tool: >> > ENVI, and ERDAS as well, provide a "Link" tool with which one can open, >> > side-by-side, images of the same region and while panning, zooming or >> > resizing one of the images, these actions are automatically mirrored to >> the >> > othe image. >> >> [...] >> >> > Is there an alternative way to replace this method (supporting a visual >> > interpretation with ancillary data)? Would it be very difficult to >> implement >> > something like that? >> > >> >> There is no such linking tool in GRASS. However, what you can do (in the >> GIS Manager) is zoom to your desired region in one window, then (in the >> Map Display window) "Set current region to match display". You can then >> "Zoom to current region" in the other Map Display windows. >> >> Or if you work with old-style monitors, zoom to desired region in one >> monitor, then 'd.mon select' & 'd.redraw' in the others. >> >> Moritz >> >> >> _______________________________________________ >> grassuser mailing list >> grassuser@grass.itc.it >> http://grass.itc.it/mailman/listinfo/grassuser >> > > _______________________________________________ > grassuser mailing list > grassuser@grass.itc.it > http://grass.itc.it/mailman/listinfo/grassuser > > -- View this message in context: http://www.nabble.com/More-QUESTIONS-%21--tf4731979.html#a13589468 Sent from the Grass - Users mailing list archive at Nabble.com. _______________________________________________ grassuser mailing list grassuser@grass.itc.it http://grass.itc.it/mailman/listinfo/grassuser