[GRASSLIST:4109] Re: stupit newbie question on import raster

[Ian MacMillan]

It sounds like you forgot to set your region after you imported the 
raster (something I always used to screw up).  Try

g.region rast=vesuv.blue
d.rast vesuv.blue

Good luck,
Ian

On Aug 5, 2004, at 3:36 AM, UK wrote:

> Hi everyone,
>
> I have a seemingly stupid newbie problem: I'm runnig the OS X port of 
> Grass 5.7 and after trying the sample spearfish location  everythings 
> seems to be installed ok. In particular I'm able to display the data. 
> In contrast to that  I was not able to import or visualize some other 
> data, e.g. some satellite.jpg. Here is what I did according to the 
> manuals:
>
> first I created a location of xy-type:
>
> GRASS 5.7.0:~ > projection: 0 (x,y)
> zone:       0
> north:      1239
> south:      0
> west:       0
> east:       1501
> nsres:      1
> ewres:      1
> rows:       1239
> cols:       1501
>
> The picture dimensions are 1501x1239 pixel and type is jpg. I opened a 
> display by d.mon x0. Next I imported the picture by the
> tcltk front-end:
>
> r.in.gdal
> input=/Users/kuhli/Desktop/Celestia-doc/EarthImage/
> aster_vesuvius_lrg.jpg output=vesuv -o
> PROJ_INFO file not found for location campagna
> PROJ_UNITS file not found for location campagna  2%  5%  8% 11% 14% 17%
> 20% 23% 26% 29% 32% 35% 38% 41% 44% 47% 50% 53% 56% 59% 62% 65% 68% 71%
> 74% 77% 80% 83% 86% 89% 92% 95% 98%100%
> CREATING SUPPORT FILES FOR vesuv.red
> SETTING GREY COLOR TABLE FOR vesuv.red (8bit, full range)  2%  5%  8%
> 11% 14% 17% 20% 23% 26% 29% 32% 35% 38% 41% 44% 47% 50% 53% 56% 59% 62%
> 65% 68% 71% 74% 77% 80% 83% 86% 89% 92% 95% 98%100%
> CREATING SUPPORT FILES FOR vesuv.green
> SETTING GREY COLOR TABLE FOR vesuv.green (8bit, full range)  2%  5%  8%
> 11% 14% 17% 20% 23% 26% 29% 32% 35% 38% 41% 44% 47% 50% 53% 56% 59% 62%
> 65% 68% 71% 74% 77% 80% 83% 86% 89% 92% 95% 98%100%
> CREATING SUPPORT FILES FOR vesuv.blue
> SETTING GREY COLOR TABLE FOR vesuv.blue (8bit, full range)
>
> when I wanted to display the file I used d.rast  over tcltk-interface:
>
> d.rast map=vesuv.blue bg=white  0%  3%  6%  9% 12% 15% 18% 21% 24% 27%
> 30% 33% 36% 39% 42% 45% 48% 51% 54% 57% 60% 63% 66% 69% 72% 75% 78% 81%
> 84% 87% 90% 93% 96% 99%100%
>
>  The d.rast had shown me three files (vesuv.blue, 
> vesuv.gree,vesuv.red), I choosed one of them  but the files doesn't 
> show up in the
> display! Shure I forgot or overlooked something very simple but what? 
> If I look at the display with the query-by-mouse function but the 
> display seems to be empty ?!  :
>
> 285.5266223(E) 860.70299501(N)
> vesuv.blue in PERMANENT  (Null)no data
>
> 751.44009983(E) 798.85607321(N)
> vesuv.blue in PERMANENT  (Null)no data
>
> 675.16222962(E) 524.66805324(N)
> vesuv.blue in PERMANENT  (Null)no data
>
> What am I doing wrong ?
>
> cheers
>
> Uwe Kuhlmann
>