[mapserver-users] Shapefile Modification

[Keith Baker]

On Mon, 2002-11-04 at 18:46, woodbri at swoodbridge.com wrote:
> Keith,
> 
> That would be one way to do it, but another would be to turn off the 
> NA vmap0 data when you zoom to a certain scale and turn on the tiger 
> data at the same scale.
> 
> -Steve W.

Vmap NA coverage != Tiger Coverage

VmapNA is much bigger than Tiger.  

for example Canada is not covered by Tiger.  so this does not work as a
scale dependent thing.  I want tiger where I have it, and vmap where I
have no tiger...
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