[GRASS-user] Georectify problem

[Michael Barton]

Given the platform you are on and the fact that you are using an up-to- 
date build of GRASS 6.4, I recommend you do this with the new wxPython  
GUI instead of the TclTk one. I think it will work better for you.

Michael

On Nov 30, 2009, at 2:16 PM, grass-user-request at lists.osgeo.org wrote:

> Date: Mon, 30 Nov 2009 09:57:42 -0800
> From: Adam Dershowitz <adershowitz at exponent.com>
> Subject: [GRASS-user] Georectify problem
> To: GRASS user list <grass-user at lists.osgeo.org>
> Message-ID: <684BACB4-CEAF-4CDD-98D1-9F3EE5742C1C at exponent.com>
> Content-Type: text/plain; charset=us-ascii
>
> I am trying to georectify an xy image.  I think that I am doing  
> things correctly yet I keep getting an error.  Perhaps someone can  
> clear things up for me.
> I imported the image into an XY location.  I then went to the  
> location that I want to import into and brought up a map so I could  
> click on points.
> If then select file-> georectify.  I fill in the info and then click  
> Start georectifying.  It brings up the manage ground control points  
> window and a display showing the xy map to be georectified.  If I  
> click there I can add the GCP xy coords.  But if I then click in my  
> original window to select the georgraphic coords I get an error:  
> can't read "b1 coords" : no such variable.
>
> can't read "b1coords": no such variable
> can't read "b1coords": no such variable
>    while executing
> "$geoentry insert 0 $b1coords"
>    invoked from within
> "if { [info exists geoentry] } {
>                        $geoentry insert 0 $b1coords
>                }"
>    (command bound to event)
>
> I can't figure out why it will not let me select the points.  I have  
> selected the arrow tool in the map display.
>
> I am using a Mac with William Kyngesburye's binary builds.  I have  
> 6.4 RC5-3 Snow with OS 10.6.2
>
> Thanks,
>
> --Adam