[GRASS-user] Dem extraction

Hi! I would like to know how can I extract a DEM from an Ikonos Stereo Image with control points. I'm completely newbie with this... What books, articles, materials I must read? And can GRASS do this? King regards, Raphael Saldanha ___ grass

Re: [GRASS-user] srtm data import

rass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user > > -- Atenciosamente, Raphael Saldanha [EMAIL PROTECTED] Fred Allen - "What's on your mind, if you will allow the overstatement?" ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Surface

x27;m trying to interpolate a suface with IDW (very slow...) v.surf.idw [EMAIL PROTECTED] output=teste npoints=12 layer=1 column=elevation --overwrite Another question: what is the precision of this surface? What contour interval can I generate? Regards, Raphael

[GRASS-user] i.cluster

*i.cluster [EMAIL PROTECTED] sigfile=c:/sig classes=5 iterations=30 convergence=98.0 separation=0.0 min_size=17* I have the error: *llegal filename. Character not allowed.* So, what is the correct syntax to create the signature file? Regards, Raphae

[GRASS-user] Color table

$MEAN_MINUS_2STDEV black $mean 136 136 136 $MEAN_PLUS_2STDEV white 100% white ... But the null values don't become to be displayed black, they still white. So, for my purposes, I will need re-convert null values to 0. Is there a better way? -- Atenciosamente, Raphael

Re: [GRASS-user] GEM and Add-ons

r.colors "$GIS_OPT_INPUT" color=rules << EOF 0% black $MEAN_MINUS_2STDEV black $mean grey $MEAN_PLUS_2STDEV white 100% white But the output turns the colors to a light grey filter or something... how can I maintain the black pure black? On Wed, Au

Re: [GRASS-user] Standard Deviation

Hi Moritz I'm a newbie, using GRASS on Windows, version 6.3.0. Thanks for you help!!! On Tue, Aug 12, 2008 at 1:51 PM, Moritz Lennert < [EMAIL PROTECTED]> wrote: > On 12/08/08 13:28, Raphael Saldanha wrote: > >> Thank you! >> >> I had downloaded the add-on...

Re: [GRASS-user] GEM and Add-ons

No response... On Tue, Aug 12, 2008 at 12:32 PM, Nikos Alexandris < [EMAIL PROTECTED]> wrote: > On Tue, 2008-08-12 at 12:26 -0300, Raphael Saldanha wrote: > > Ok, I put the file (r.colors.sttdev) on C:\GRASS\scripts. > > > > On the output windowm, if I enter with r.c

Re: [GRASS-user] GEM and Add-ons

t;r_col_stdev_abs_$$" --quiet 144 fi On Tue, Aug 12, 2008 at 11:50 AM, Martin Wegmann < [EMAIL PROTECTED]> wrote: > Hello Raphael, > > just download it and call the script within the GRASS shell > > sh r.colors.stddev > > you have to define the input on t

[GRASS-user] GEM and Add-ons

Hi! Where can I download GEM? I'm a newbie and need to use an add-onn (r.colors.stddev), can someone give some instructions? GRASS 6.3.0 running on Windows :-( Regards, Raphael Saldanha [EMAIL PROTECTED] BRAZIL ___ grass-user mailing list

Re: [GRASS-user] Standard Deviation

Thank you! I had downloaded the add-on... but how can I install it? As I see on GRASS manual, I will need GEM, but where can I download this? Works in windows? On Mon, Aug 11, 2008 at 12:36 PM, Moritz Lennert < [EMAIL PROTECTED]> wrote: > On 11/08/08 16:59, Raphael Saldanha wrote

[GRASS-user] Standard Deviation

Hi! How can I make a color table for a raster using standard deviation, like ArcGIS? Regards, Raphael Saldanha [EMAIL PROTECTED] ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Mosaic

Hi! A newbie doubt: I have to make a mosaic with 2 satellite images (CBERS). The border values are "0". What is the procedure? (the images are already on grass). Raphael Saldanha BRAZIL ___ grass-user mailing list grass-user@lists.osge