<P>
hi all<BR>
can anybody tell me what is command d.extend used for ?<BR>
till ystrday i was nt able to display a .tif file even after setting region for raster but then i gave the d.extend command after d.rast and was able to display the image on x mon0<BR>
I dont know if d.extend really helped to display the contents of the .tif image as earlier i was just able tos ee a black screen on the xmon <BR>
not the contents..<BR>
anyways thanx to all <BR>
i am able to display the image now ,n now trying to explore more of GRASS<BR>
savitri<BR>
DEAL,India<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
On Mon, 22 Jan 2007 Otto Dassau wrote :<BR>
>Hi,<BR>
><BR>
>On 22 Jan 2007 07:18:00 -0000<BR>
>"savitri negi" <savitrinegi1@rediffmail.com> wrote:<BR>
> > hello all<BR>
> > iam quite new to GRASS infact i started it jst a few days back<BR>
> ><BR>
> > i downloaded the source GRASS 6.2.1 source code n compiled it on my redhat<BR>
>enterprise linux machine and i was able to start GRASS<BR>
> > n started using it.<BR>
> > i also istalled the two mandatory gdal n other library<BR>
> ><BR>
> > now say i want to display just a .tif image i did the following<BR>
> > i selected the database a location and a mapset at startup screen after<BR>
>which i was able to see the GIS manager GUI<BR>
> > i have got say a .tif image.<BR>
> > 1 ..converted the .tif image into raster using r.in.gdal input=filename.tif<BR>
>output =output raster image name<BR>
> > 2 ..started the monitor x0 as d.mon x0<BR>
><BR>
>using d.mon you might need a further step here to set the extend of your current<BR>
>region to the tif before you display it.<BR>
><BR>
>g.region rast=output_raster_image_name<BR>
><BR>
>hth,<BR>
> Otto<BR>
><BR>
> > 3 ...tried to diplay image on mon using d.rast= outut raster image name<BR>
> ><BR>
> > but iam unable to see anything in the x0 monitor though the whole process<BR>
>dint showd any errors<BR>
> > though wen i change the background color in d.rast window i can see a<BR>
>coloured surface of size of my original image on x0 but not the real image<BR>
> > ,being quite new to the GIS field iam not able to figure out wat am i missing<BR>
>.<BR>
> > right now i just wanted to display a tif image or may be a .img file on the<BR>
>monitorr<BR>
> > which iam not able to do<BR>
> > may be anyone of u could help<BR>
> ><BR>
> ><BR>
> > Savitri negi<BR>
> > DEAL,india<BR>
><BR>
><BR>
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