[mapserver-users] Problems displaying tiffs and jpegs

Stephen Woodbridge woodbri at swoodbridge.com
Fri Apr 19 08:43:08 EDT 2002


Nicole,

The .wld files are in some kind of projection in METERS. What does the
top of your mapfile look like? Have you specified a PROJECTION .. END?
What are your EXTENTS? What are your UNITS?

I think maybe these do not match your images. Which would account for
your images not showing up.

-Steve

Nicole Bömeke wrote:
> 
> Just for testing, I now tried to display images in .jpg format instead of
> .tif format.
> But I got the same result - nothing shows up. I think I'm doing something
> really wrong.
> 
> I used the jpegs created through mapserver in the /temp/ directory (output
> IMAGETYPE JPEG).
> After converting them to greyscale images with Paint Shop Pro, I had two
> jpeg images
> country.jpg and lakes.jpg. In the world files for these jpegs, I used the
> minx and the
> maxy extend from the shapefiles.
> 
> country.wld:
> -----------------
> 0.6
> 0.0000000000
> 0.0000000000
> -0.6
> 388107.634400379
> 5310243.30613897
> 
> lakes.wld:
> -----------------
> 0.6
> 0.0000000000
> 0.0000000000
> -0.6
> 393234.393701
> 5303964.87675
> 
> To display the jpegs I modified the .map file from the demo like this:
> 
> #
> # Start of layer definitions
> #
> 
> LAYER
>   NAME ctybdpy2
>   TYPE RASTER
>   STATUS DEFAULT
>   DATA country.jpg
> END
> 
> LAYER
>   NAME lakespy2
>   TYPE RASTER
>   STATUS OFF
>   DATA lakes.jpg
>   CLASS
>     COLOR 49 117 185
>   END
> END
> 
> It would be gread, if you could help me, because by now I'm really stuck.
> Thanks, Nicole.
> 
> --------------------------------------------------------------------------
> Nicole Bömeke
> IVV Aachen
> Germany
> bon at ivv-aachen.de
> 
> -----Original message-----
> >>> Nicole Bömeke <bon at ivv-aachen.de> 04/12/02 01:48 AM >>>
> >
> > 1.) I read about an example called landsat (that uses tiffs), but I
> >     can't find a link to it anywhere.
> >     Can anybody tell me where I can get it or send a zipped copy of
> >     it to my mail adress?
> >
> > 2.) Are there other examples using tiffs available? I need a tiff and
> >     a corresponding word file
> >     that is known to work with mapserver.
> >
> > 3.) I have the problem that my tiff does not show up.
> >     It is an 8 Bit uncompressed tiff with size 600 x 600.
> >
> >     I used a world file like this:
> >     0.6
> >     0.0000000000
> >     0.0000000000
> >     -0.6
> >     400000.00
> >     5255555.00
> >
> >     To try it, I replaces the background layer of the itasca example
> >     by this layer definition:
> >     LAYER
> >         NAME ctybdpy2
> >         TYPE RASTER
> >         STATUS DEFAULT
> >       DATA test.tif
> >     END
> >
> >     Has anybody an idear what I can do?
> >     Thanks, Nicole.
> >
> > --------------------------------------------------------------------------
> --
> >     Nicole Bömeke
> >     IVV Aachen
> >     Germany
> >     bon at ivv-aachen.de



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