[gdal-dev] gdal_contour stuck in processing?

[Chaitanya kumar CH]

Graeme,

Can you try again with a much larger interval?

On Thu, Oct 13, 2011 at 6:32 AM, Graeme Merrall <graeme at inetix.com.au>wrote:

> I'm trying out gdal_contour just to see what falls out of it as an
> experiment.  I've noticed it seems to get to "0.."  e.g. 7% or so, and
> then seems to hang.  I'm trying it on a relatively small DTM
>
> The cmdline is pretty simple "gdal_contour -a ELEL -i 1.0
> dtm_11072101.tif dtm-1m.shp"
>
> and gdalinfo gives the following info  about the image
> Driver: GTiff/GeoTIFF
> Files: dtm_11072101.tif
>      dtm_11072101.tfw
> Size is 1000, 2500
> Coordinate System is `'
> Origin = (488000.000000000000000,7198000.000000000000000)
> Pixel Size = (2.000000000000000,-2.000000000000000)
> Metadata:
>  TIFFTAG_XRESOLUTION=200
>  TIFFTAG_YRESOLUTION=200
>  TIFFTAG_RESOLUTIONUNIT=3 (pixels/cm)
> Image Structure Metadata:
>  INTERLEAVE=BAND
> Corner Coordinates:
> Upper Left  (  488000.000, 7198000.000)
> Lower Left  (  488000.000, 7193000.000)
> Upper Right (  490000.000, 7198000.000)
> Lower Right (  490000.000, 7193000.000)
> Center      (  489000.000, 7195500.000)
> Band 1 Block=1000x2 Type=UInt32, ColorInterp=Gray
>
> I admit I'm at a loss as to how to proceed/troubleshoot so any
> pointers gratefully received. I tried popping it through
> gdal_translate to add a projection but it seems to have the same issue
>
> Cheers,
>  Graeme
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>



-- 
Best regards,
Chaitanya kumar CH.

+91-9494447584
17.2416N 80.1426E
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