[GRASS-user] Re: SRTM data aliases in UTM

2008-10-06 Thread WolfgangZ
John Stevenson schrieb: Hi, I have imported some tiles of 1 arcsecond SRTM data into GRASS 6.3 using r.in.srtm into a lat-long region. Whenever I import them to a UTM region, res=30, I get aliasing problems. This results in a grid of lines of jumps in elevation running through my data.

[GRASS-user] Re: SRTM data aliases in UTM

2008-10-06 Thread WolfgangZ
John Stevenson schrieb: Hi, I have imported some tiles of 1 arcsecond SRTM data into GRASS 6.3 using r.in.srtm into a lat-long region. Whenever I import them to a UTM region, res=30, I get aliasing problems. This results in a grid of lines of jumps in elevation running through my data.