[mapserver-users] A new (I think) question about Mapfile filtering . . .

[Stephen Woodbridge]

Bob Basques wrote:
> 
> 
> All,
> 
> 
> Any ideas on how to fill an area that is not defined by a polygon.  I'm 
> basically after coloring the Right of way areas in the City based on 
> them NOT being a Parcel.
> 
> 
> My first thought was to use a image background color, and paint the 
> parcels a transparent color, am I on the right track?

Bob,

What format are you Right of Ways in?
It sounds like they might be in a raster format. If that is the case you 
probably can do it either way.

1. raster as background, transparent parcel
2. parcels with fill, raster overlay using an opacity and a nodata flag 
in the raster.

-Steve W