[gdal-dev] gdal contour, output polygon

ValiSystem vali.system at free.fr
Thu Mar 12 12:02:04 EDT 2009


Hum, i'm working with a world wide data set, it may add some strange 
artifacts around the 180, but i'll give it a try, it's very likely that 
the average data will be much better.

thanks for the help !

(sorry for the dupe :/ )

On 11/03/09 21:14, Chaitanya kumar CH wrote:
> Vali,
>
> I don't know about a better way but here is a quick and dirty method
> to avoid lines.
> Surround the whole map with a pixel wide strip with elevation of every
> pixel set to minimum (or maximum) altitude.
> This method probably adds one more polygon along the border.
>
> Regards,
>



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