[mapserver-users] areas of high res
Christopher Schmidt
crschmidt at metacarta.com
Tue Feb 2 15:23:01 PST 2010
On Tue, Feb 02, 2010 at 03:10:40PM -0800, TC Haddad wrote:
> use two different tile indexes and use MIN- and MAXSCALEDENOM to control
> when they are each used.
Or just don't use min/max at all, and just paint over the lower res
layers with the higher res layers.
-- Chris
> presumably you already have one tileindex working for the nationwide 500,000
> scale images?
>
> so make a second one that is a compound index - looks like the above, but
> also includes the footprints of the 250,000 areas (replacing the 500,000
> references in those areas). Switch between the two something like this:
>
> LAYER
> NAME "Overview Imagery"
> STATUS OFF
> TYPE RASTER
> TILEINDEX "img_index_500k"
> TILEITEM "PATH"
> MINSCALEDENOM 300001
> END
>
> LAYER
> NAME "Detailed Imagery"
> STATUS OFF
> TYPE RASTER
> TILEINDEX "img_index_250k"
> TILEITEM "PATH"
> MAXSCALEDENOM 300000
> END
>
>
>
>
>
>
>
>
> On Tue, Feb 2, 2010 at 1:34 PM, Wendell Turner <wendell at enflight.com> wrote:
>
> The base layer of my map has full coverage of the US at a
> > scale of 1:500,000. That works fine. I have some areas of
> > detail that have tif files at a scale of 1:250,000. What do
> > I put in the mapfile to say 'use high res if available for
> > this tile, otherwise use the low res one'?
> >
> > Thanks,
> >
> > Wendell
> >
> > _______________________________________________
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> > mapserver-users at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
> >
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--
Christopher Schmidt
MetaCarta
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