This is probably due to the fact that your raster values are beyond 255.
Mapserver truncates this to 255 which interpreted as white on a
greyscale. To correctly scale the values you can use band processing
options:
PROCESSING "SCALE=:"
You can also use "AUTO" but that might result in strangely "tiled" images.
See:
http://mapserver.org/input/raster.html#special-processing-directives
Regards,
Fabian
On 15.06.15 16:04, William Hudspeth wrote:
> Hello,
>
> I am using mapserver to provide WCS and WMS services from individual
> layers (and their constituent bands) contained in a CF-formatted NetCDF
> file. I have successfully implemented WCS services, but am continuing to
> have problems with WMS services. While calls to return a single raster
> grid (derived from a NetCDF layer) as a WMS request returns a correctly
> projected image, the image is entirely white, and does not seem to
> correctly reinterpret original data values into a range of pixel color
> values. I would appreciate any information on what I might be missing.
>
> Thanks!
>
>
>
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