[GRASS-user] grass

2008-01-01 Thread ec . jkd
hi, After executing the following steps for shortest path in grass i get below error: echo "update roads set travelcost=5 where cat=1" | db.execute echo "update roads set travelcost=20 where cat=2" | db.execute echo "update roads set travelcost=40 where cat=3" | db.execute echo "update roads set

[GRASS-user] (no subject)

2007-12-20 Thread ec . jkd
hi, after doing d.path i get following results: : Costs on the network = 8051.103402 Distance to the network = 150.616523, distance from the network = 32.915489 can you tell me what dose this signifies, or from where i can get the basics of the calculation it > Thank you, jainita ___

[GRASS-user] (no subject)

2007-12-19 Thread ec . jkd
hi, can anyone tell that whether i can add rivers and trees on the road map for finding shortest path___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] d.path

2007-12-17 Thread ec . jkd
can anyone tell how to do d.path for shortest path ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] hi

2007-12-10 Thread ec . jkd
hi, Can you tell me that on which map do we take contour heights. I.e i have DGN vector map,i converted it into raster,now i am suppose to find contour heights according to your syntax given i.e d.vect map=rai display=shape,zcoor So on which map do we actually find heights

[GRASS-user] grass

2007-12-10 Thread ec . jkd
hi, while doing shortest path in grass i get the below error: echo "1 1 2" | v.net.path mydgn_net afcol=forward abcol=backward out=myp Building graph: Registering arcs ... 100% Flattening the graph ... done. Graph was built. WARNING: 8032 points without category (nfield: 2). WARNING: No point wi

[GRASS-user] installation of grass6.3

2007-11-29 Thread ec . jkd
hi, i want to install the latest version of grass6.3,on 32 bit processor i.e i386 fedora On grass.itc.it the tar file is for 64bit. Can anyone tell me the exact path from where i can install latest update version og grass6.3 Thanking you___ grass-user m

[GRASS-user] (no subject)

2007-11-28 Thread ec . jkd
hi, I am working on grass6.3 and i want to transform the co-ordinates form UTM to Lat-Long for this i used the command v.transform but the map comes upside down.so can anyone tell me what to do secondly i want to extract the layer of DGN map.I am able to extract individuakl layers but say if i

[GRASS-user] grass6.3

2007-11-25 Thread ec . jkd
hi, i have installeg grass6.3 with the link grass-"6.3.cvs-i686-pc-linux-gnu-17_09_2006.tar.gz" on fedora 5.Now i am doing shortest path for which i require the command v.net for joining thelines so the syntax is "v.net myroads points=startend out=myroads_net op=connect thresh=200" but my grass