The DDF files I have look like : -rw-r--r--. 1 13123 13704 1947 Aug 22 2001 8333CATD.DDF -rw-r--r--. 1 13123 13704 1416 Aug 22 2001 8333DQLC.DDF -rw-r--r--. 1 13123 13704 4726 Aug 22 2001 8333DQHL.DDF -rw-r--r--. 1 13123 13704 2711 Aug 22 2001 8333DQCG.DDF -rw-r--r--. 1 13123 13704 322 Aug 22 2001 8333DQAA.DDF -rw-r--r--. 1 13123 13704 289 Aug 22 2001 8333DDSH.DDF -rw-r--r--. 1 13123 13704 701 Aug 22 2001 8333DDOM.DDF -rw-r--r--. 1 13123 13704 345 Aug 22 2001 8333DDDF.DDF -rw-r--r--. 1 13123 13704 316140 Aug 22 2001 8333CEL0.DDF -rw-r--r--. 1 13123 13704 2718 Aug 22 2001 8333CATS.DDF -rw-r--r--. 1 13123 13704 514 Aug 22 2001 8333XREF.DDF -rw-r--r--. 1 13123 13704 1719 Aug 22 2001 8333STAT.DDF -rw-r--r--. 1 13123 13704 412 Aug 22 2001 8333SPDM.DDF -rw-r--r--. 1 13123 13704 528 Aug 22 2001 8333RSDF.DDF -rw-r--r--. 1 13123 13704 286 Aug 22 2001 8333LDEF.DDF -rw-r--r--. 1 13123 13704 358 Aug 22 2001 8333IREF.DDF -rw-r--r--. 1 13123 13704 627 Aug 22 2001 8333IDEN.DDF -rw-r--r--. 1 13123 13704 3288 Aug 22 2001 8333DQPA.DDF
I am only able to convert 8333CATD.DDF using gdal_translate gdal_translate -of XYZ 8333CATD.DDF 8333CATD.xyz Input file size is 323, 468 0...10...20...30...40...50...60...70...80...90...100 - done. Any ideas how I can get the raw x,y,z from all the .DDF files? On Fri, Sep 7, 2012 at 11:51 AM, Ed Linde <edoli...@gmail.com> wrote: > Hi Nicolas, > Is there a GDAL tool that can take a SDTS raster in .DDF files and convert > it to > raw x,y,z points? > > Thanks, > Ed > > On Fri, Sep 7, 2012 at 10:08 AM, Nicolas Ribot <nicolas.ri...@gmail.com>wrote: > >> Hi, >> >> GDAL seems to handle the format: >> http://www.gdal.org/frmt_various.html#SDTS. >> (format specs: http://mcmcweb.er.usgs.gov/sdts/sdtsfaq.html) >> >> So it could be converted into a postgis raster, or processed directly >> with GDAL/OGR. >> >> Nicolas >> >> On 7 September 2012 09:53, Ed Linde <edoli...@gmail.com> wrote: >> > Hi All, >> > I just downloaded a DEM file from geocomm.com, and its in a format >> that I do >> > not understand, I want to do a Delaunay triangulation on it to generate >> a >> > TIN. >> > I was wondering if someone here knows how I can go about getting the raw >> > x,y,z co-ordinates so I can go about triangulating this dataset? I know >> many >> > of >> > you might work with DEM and Raster datasets, so I thought I would ask >> here. >> > Some details below about the dataset that came in the .TXT file with >> it. It >> > was a ".DEM.SDTS.TAR.GZ" file which I untarred and it created a whole >> bunch >> > of >> > .DDF files. Any idea what I can do with these? >> > >> > Thanks, >> > Ed >> > >> > ITEM_TYPE: SDTS DEM - 7.5X7.5 GRID >> > CELL_NAME: Bearhead Mountain >> > STATE: WA >> > MRC_CODE: 47121-A7 >> > BEST_AVAILABLE: T >> > SALEABLE: T >> > DATA_LEVEL: 2 >> > X_RESOLUTION: 30 >> > Y_RESOLUTION: 30 >> > XY_UNITS: Meter >> > Z_RESOLUTION: 1.000 >> > Z_UNITS: Meter >> > ORIG_LOAD_DATE: 13-SEP-01 >> > CREATE_DATE: 13-SEP-01 >> > PUBLICATION_DATE: 17-SEP-01 >> > SOURCE_DATE: 1979 >> > INSP_REV_DATE: 1997 >> > INSP_REV_NAME: Inspection >> > HORIZONTAL_DATUM: North American Datum of 1927 >> > PROJECTION: Transverse Mercator >> > ZONE: 10 >> > VERTICAL_DATUM: NGVD 1929 >> > DIGITAL_FORMAT_SPEC: DEM SDTS (Part 5: Raster Profile and Extensions >> (RPE)) >> > STANDARDS_NAME: Standards for Digital Elevation Models 1995 Header with >> > Pre-1995 Content >> > PROCESS_STEP: DLG/Hypsography LINETRACE, LT4X Complex Linear >> > MIN_ELEVATION: 444 >> > MAX_ELEVATION: 1859 >> > SUSPECT_VOID: 0 >> > PERCENT_VOID: 0 >> > LARGE_CONTOUR_INT: >> > SMALL_CONTOUR_INT: 40 >> > CONTOUR_UNITS: Foot >> > RMSE: 1 >> > SAMPLE_SIZE: 30 >> > NORTH_LATITUDE: 47.125000 >> > SOUTH_LATITUDE: 47.000000 >> > WEST_LONGITUDE: -121.875000 >> > EAST_LONGITUDE: -121.750000 >> > >> > >> > >> > _______________________________________________ >> > postgis-users mailing list >> > postgis-users@postgis.refractions.net >> > http://postgis.refractions.net/mailman/listinfo/postgis-users >> > >> _______________________________________________ >> postgis-users mailing list >> postgis-users@postgis.refractions.net >> http://postgis.refractions.net/mailman/listinfo/postgis-users >> > >
_______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
