[mapserver-users] Can't get a raster to display... projection issue?
Jeff McKenna
jmckenna at gatewaygeomatics.com
Thu May 1 09:00:48 PDT 2014
Peter,
Some things I would do when hitting that wall:
- remove all projections blocks
- use the coordinate values from gdalinfo in your EXTENT block (lower
left & upper right)
- change to UNITS DD
- remove all other LAYERS except the problem layer
- then test with the shp2img commandline utility
(http://www.mapserver.org/utilities/shp2img.html)
-jeff
--
Jeff McKenna
MapServer Consulting and Training Services
http://www.gatewaygeomatics.com/
On 2014-05-01, 12:43 PM, Peter Gustafson wrote:
> Hi all, this didn't help and it is still not working. (1 month later).
> Any further suggestions? Does anyone know of a simple, fully functional
> raster only example? Thanks,
>
>
> On Tue, Apr 1, 2014 at 6:08 PM, thomas bonfort <thomas.bonfort at gmail.com
> <mailto:thomas.bonfort at gmail.com>> wrote:
>
> typo: epsg:3857 instead of 3587?
>
> --
> thomas
>
> On 1 April 2014 23:53, Peter Gustafson <pgustafson at gmail.com
> <mailto:pgustafson at gmail.com>> wrote:
> > Hi all, I'm brand new to mapserver.
> > (The itasca workshop map works)
> >
> > I can't get a raster to display. I've tried various extents and
> projections
> > but suspect these are the cause. The mapfile is as below
> (IMAGEPATH and
> > IMAGEURL are changed -- working with itasca) as well as info from
> gdal.
> > Your help would be greatly appreciated!
> >
> > Thanks,
> > Pete
> >
> > MAP
> > NAME MyMap
> > STATUS ON
> > CONFIG "MS_ERRORFILE" "ms_error.txt"
> > DEBUG 5
> > STATUS ON
> > SIZE 1000 600
> > EXTENT -20037508.34 -20037508.34 20037508.34 20037508.34
> > UNITS METERS
> > SHAPEPATH "data"
> > IMAGECOLOR 255 255 255
> >
> > PROJECTION
> > "init=epsg:3587"
> > END
> >
> > WEB
> > IMAGEPATH "/var/www/localhost/htdocs/tmp/"
> > IMAGEURL "tmp/"
> > END
> >
> > LAYER
> > NAME "wac-48_1_4.tif"
> > DATA "wac-48_1_4.tif"
> > TYPE RASTER
> > TRANSFORM TRUE
> > STATUS ON
> > UNITS DD
> > PROJECTION
> > "init=epsg:4326"
> > END
> > END
> > END
> >
> > Driver: GTiff/GeoTIFF
> > Files: data/wac-48_1_4.tif
> > Size is 512, 512
> > Coordinate System is:
> > GEOGCS["WGS 84",
> > DATUM["WGS_1984",
> > SPHEROID["WGS 84",6378137,298.257223563,
> > AUTHORITY["EPSG","7030"]],
> > AUTHORITY["EPSG","6326"]],
> > PRIMEM["Greenwich",0],
> > UNIT["degree",0.0174532925199433],
> > AUTHORITY["EPSG","4326"]]
> > Origin = (-95.777952659785427,49.001030999999998)
> > Pixel Size = (0.019025026914202,-0.019025026914202)
> > Metadata:
> > AREA_OR_POINT=Area
> > Image Structure Metadata:
> > COMPRESSION=LZW
> > INTERLEAVE=PIXEL
> > Corner Coordinates:
> > Upper Left ( -95.7779527, 49.0010310) ( 95d46'40.63"W, 49d 0'
> 3.71"N)
> > Lower Left ( -95.7779527, 39.2602172) ( 95d46'40.63"W,
> 39d15'36.78"N)
> > Upper Right ( -86.0371389, 49.0010310) ( 86d 2'13.70"W, 49d 0'
> 3.71"N)
> > Lower Right ( -86.0371389, 39.2602172) ( 86d 2'13.70"W,
> 39d15'36.78"N)
> > Center ( -90.9075458, 44.1306241) ( 90d54'27.16"W, 44d
> 7'50.25"N)
> > Band 1 Block=512x5 Type=Byte, ColorInterp=Red
> > Band 2 Block=512x5 Type=Byte, ColorInterp=Green
> > Band 3 Block=512x5 Type=Byte, ColorInterp=Blue
> >
> >
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