Brent,
Thanks for the response. I appreciate the *watch* items you included! and I
think that I have all that info available.
I think my main problem is that I cannot separate out what is *nice* in a
mapfile from what is *necessary* ... most of the examples I have been able
to find have multiple layers, labels, scales etc. that I may use one day,
but I have to comment them out because they don't apply. It's why I'm
trying to find the world's simplest mapfile that works for displaying raster
data... MrSID data if possible. A sort of a "Hello Raster (world)" Mapfile
for Mapserver.
I have been reading more about mapfiles @
http://umn.mapserver.ch/index_en.php . This has an astonishing amount of
information and is well organized.
Perhaps I should wait until I am over this bad head cold before I plow back
into it ;>)
Sincerest thanks!
Ken
----- Original Message -----
From: "Brent Fraser" <[EMAIL PROTECTED]>
To: "Ken S. Elvehjem" <[EMAIL PROTECTED]>
Cc: <[email protected]>
Sent: Sunday, February 10, 2008 8:03 PM
Subject: Re: [mapserver-users] Simple MrSid map file
Ken,
I don't use MrSID, but here are some general things to look at:
1. Does your MrSID file have geo-referencing and coordinate system
definition information with it? Use GDAL's "gdalinfo" to find out.
2. Do your EXTENTS (with the related PROJECTION and UNITS) in the map file
actually cover/intersect the MrSID file?
3. Check your DATA value in the map file's LAYER. Is the path correct?
Is Mapserver able to access the file?
Brent Fraser
GeoAnalytic Inc.
Calgary, Alberta
Hi,
I am trying to make ms4w show me a MrSid file. Eventually, I would like
to be able to send center coordinates and dimensions and have it return a
JPG.
For now, however, I have apparently gotten into a tail chasing game -- no
matter what I try, I seem to need to do something else first.
I'm hoping that someone who uses MrSid files w/ ms4w could send me a
"simplest" map file and html code that will allow me to display MrSid
data
over the web. This will give me a "solid place to stand" (or a safe
position for a retreat) and I can add components and code from there.
My MrSid file happens to be the NAIP file for McCook Co, SD. The file
structure is like this: SD/mccook/..... files here.
Sincerely,
Ken
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