Thanks Micha, here we go:
Micha Silver wrote: > > How many shapefiles did you have in the GRASSDATA directory? .... > I had the two shapefiles, Contour and Track, but I got your message loud and clear about creating separate vectors, which I did and displayed as follows: v.in.ogr -o dsn=/home/george/GRASSDATA/Contour.shp output=contours min_area=0.0001 type=line snap=-1 --overwrite v.in.ogr -o dsn=/home/george/GRASSDATA/Track_cl.shp output=tracks min_area=0.0001 type=line snap=-1 --overwrite d.vect [EMAIL PROTECTED] color=0:0:0 lcolor=0:0:0 fcolor=170:170:170 display=shape type=point,line,boundary,area icon=basic/circle size=5 layer=1 lsize=8 xref=left yref=center llayer=1 d.vect [EMAIL PROTECTED] color=255:0:0 lcolor=0:0:0 fcolor=170:170:170 display=shape type=point,line,boundary,area icon=basic/circle size=5 width=3 layer=1 lsize=8 xref=left yref=center llayer=1 No problems so far, all displayed correctly. Micha Silver wrote: > > At this point I'd check to make sure the elevation data came thru: > v.info -c [EMAIL PROTECTED] Displaying column types/names for database connection of layer 1: INTEGER|cat DOUBLE PRECISION|ID CHARACTER|CRT_DATE CHARACTER|MOD_DATE DOUBLE PRECISION|ELEVATION CHARACTER|DESIGNATED CHARACTER|NAT_FORM CHARACTER|DEFINITION v.info -c [EMAIL PROTECTED] Displaying column types/names for database connection of layer 1: INTEGER|cat DOUBLE PRECISION|ID CHARACTER|NAME CHARACTER|CRT_DATE CHARACTER|MOD_DATE CHARACTER|TRACK_USE CHARACTER|TRACK_TYPE CHARACTER|TRK_STATUS DOUBLE PRECISION|area DOUBLE PRECISION|len v.db.select [EMAIL PROTECTED] layer=1 column=ELEVATION fs=| ELEVATION 1180 1220 1200 etc... etc... So far all is as it should be (I think..) Convert vector to raster: (no problems reported) v.to.rast [EMAIL PROTECTED] output=contours_rast use=attr type=line layer=1 column=ELEVATION value=1 rows=100000 --overwrite (... Converted points/lines: 630 of 630) ---- Display raster map (PROBLEM:only displays large, brightly coloured rectangles, no contours d.rast [EMAIL PROTECTED] -o ---- How did you set up the Location/Mapset ? You might have a problem with the resolution. What do you get from: r.info testrastmap g.region -p /quote> I set the Location in GRASS's opening welcome screen, using the Contour.shp file to provide the boundaries. Here is the result: r.info contours_rast +----------------------------------------------------------------------------+ | Layer: contours_rast Date: Thu Dec 4 08:50:19 2008 | | Mapset: test02 Login of Creator: george | | Location: test02 | | DataBase: /home/george/GRASSDATA | | Title: Labels ( contours_rast ) | | Timestamp: none | |----------------------------------------------------------------------------| | | | Type of Map: raster Number of Categories: 0 | | Data Type: DCELL | | Rows: 20 | | Columns: 20 | | Total Cells: 400 | | Projection: x,y | | N: 6020724.5 S: 6013982.586 Res: 337.0957 | | E: 2481099.136 W: 2467034.878 Res: 703.2129 | | Range of data: min = 520.000000 max = 1840.000000 | | | | Data Source: | | Vector Map: [EMAIL PROTECTED] in mapset test02 | | Original scale from vector map: 1:1 | | | | Data Description: | | generated by v.to.rast | | | | Comments: | | v.to.rast input="[EMAIL PROTECTED]" output="contours_rast" use="attr" \ | | type="line" layer=1 column="ELEVATION" value=1 rows=100000 | | | +----------------------------------------------------------------------------+ GRASS 6.3.0 (test02):~ > g.region -p projection: 0 (x,y) zone: 0 north: 6020724.5 south: 6013982.586 west: 2467034.878 east: 2481099.136 nsres: 337.0957 ewres: 703.2129 rows: 20 cols: 20 cells: 400 I hope all this helps. Your help so far has been invaluable, thanks a lot. PS I tried to play around with resolution in the Region dialog but the display never changed from the same chunky coloured squares. -- View this message in context: http://www.nabble.com/Elevation-profile-from-intersecting-shapefiles%E2%80%8F-tp20744104p20824147.html Sent from the Grass - Users mailing list archive at Nabble.com.
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