On Thu, 2009-02-26 at 14:25 +0100, Moritz Lennert wrote: > On 26/02/09 13:58, mitch_TX wrote: > > On Wed, 2009-02-25 at 20:46 -0800, Hamish wrote: > >> ok so from the command line 'd.mon x0' should work to open a monitor, > >> and you could try the steps first from the command line (keep it simple). > >> If all works there you can move to trying launching it from a GUI. > >> i.class will always want to run in an xmon + console though. > >> > >> this gets i.class working for me using the sample Spearfish imagery > >> dataset: > >> > >> g.region rast=spot.comp > >> d.mon x0 > >> > > > > When I do that, I get the following warning using the wxPython GUI. > > http://n2.nabble.com/file/n2389455/dx0.png dx0.png > > > > > Hamish meant running these modules from the command line. > > > That's the point. Isn't supposed to be a monitor display? > > "..divided into three parts. In the upper right corner you see the image. In > > the lower right corner, zoomed map portions will be displayed when using the > > zoom function. In the left section of the monitor, histograms for the > > selected training areas for all channels will be displayed. The training > > areas can be digitized...." > > (Neteler, M., H. Mitasova 2008, pp. 320-321) > > Again, this is when run from the command line using the x-monitors (i.e. > d.mon). >
The funny thing is that I thought I did all of the above (from CL)...I'll try again. > > No. They are general simple windows displaying info regarding coordinates > > and Digital Number values like: > > > > Diplay: # > > R:# G:# B:# > > Proj: UTM ZONE > > Map: #, # meters > > Lat Long: DD, DD > > > > Moving the cursor on 2 linked displays you have the same geo-info > > (you are supposed to link 2 linkable displays) but different RGB values > > (generally 2 -- or more -- different bands or color composition are loaded > > on different displays). > > The meaning of this is allowing a visual inspection (in terms of either > > different color composition or shades of gray) of the same area, supported > > by a numerical info (DN -- therefore a precise representation of the > > reflectance behavior of different surfaces). > > I don't know if I made myself clear..I can show you a couple of screen-shots > > as soon as I get to the department (it's going to be Envi and Erdas > > though...I hope you guys don't mind "commercial" images on this forum :-)) > > In the wxGUI, if you display the two raster in the same Map Display, > select both of them in the layer manager and use the query tool in the > Display, you get the numerical information on both maps. But you have to > open another Map Display if you want to _see_ both maps. > > > >> or even a static d.what.rast? > >> > >> I am not sure what you mean by that. > >> maybe r.what does what you want? > >> > > > > > > In order to use r.what you are supposed to use a separate file containing > > the points you are querying, right? > > No, this is not exactly what I'm talking about...or better, the outcome is > > but it's not the interaction that I'm looking for. I'm talking about a > > pointer based like d.what.rast one. > > You have the query tool in the Map Display of the GUI. > > Moritz I'll try this too..I gotta go now though. cheers, mitch _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
