seemingly simple question

[Stephen Woodbridge]

Try setting the "IMAGECOLOR -1 -1 -1" in the map object.

-Steve W.
  http://imaptools.com

Richard Taylor wrote:
> Hello list -
>
> have installed ms4w 4.4.0 and have steadily increased
> additions of 'my own' vector and raster layers, getting
> the feel of it with primarily only previous experience
> with esriworld (but not IMS) and with the Univ Kansas
> 'flat earth' javascript WMS client.
>
> at this point am blending output from multiple WMS servers
> and serving my layers from localhost into the Javascript client
> and getting images that are correctly registered in geographic
> space however a simple line shapefile from my server
> is rendered with a grey background across the entire image
> extent. must be in good company, or at least sharing bad
> habits with good company in that the 'global_mosaic' layer
> from the JPL WMS server also has this grey background where
> ever there is no data.
>
> have searched the documentation but unsuccessfully to date
> except for transparent png symbols.
> What is the best way of setting background of MS output
> to transparent, presumably in the mapfile?
>
> thanks in advance
>
> Richard Taylor
>
> my current version of the flat earth WMS javascript client
> can be seen at http://www.seascallop.com/COOA_660.html
> or any of the larger sizes linked at the bottom of that page
>