[mapguide-users] RE: Tile Cache and corridor-based imagery

[Mike Micallef]

That was essentially what I did - I got a subset of tiles then I began
to build the cache against it - extremely slow when we need 1:1000
scale...

How much of a pain is it to setup Mapguide to use a 3rcd party created
cache? ArcGIS Server as I have access to one?

 

Mike

 

M. Micallef, PMP - R. GIS Coordinator - MTO - London, ON - (519)
873-4416

________________________________

From: Steve G [via OSGeo.org]
[mailto:ml-node+6399659-1842226217-252211 at n2.nabble.com] 
Sent: May 24, 2011 1:33 PM
To: Micallef, Michael (MTO)
Subject: Re: Tile Cache and corridor-based imagery

 

Outside of MapGuide there are a few solutions using GIS software to
create a subset of the imagery and then load into Mapguide.  Below are
just a couple off the top of my head...   

1.  Assuming your imagery is a series of tiles, create a 1KM buffer
around the highway and select those image tiles that interset with the
buffer.  Create a subset of the imagery based on the spatial query.
Then create your tile cache based on the subset of tiles. 

2.  Create a buffer (same as above) and clip out the imagery (you could
use this method if your rasters are a series of tiles or one huge raster
image).  The ability to clip rasters might depend on the GIS software
that you have (some require additional raster editors).  Your clipped
rasters become the subset of tiles to create your tile cache with. 

Not a MapGuide specific solution, but I hope it helps anyhow.  If you
don't have any GIS software and don't want to spend any money, check out
QGIS...pretty powerful for $0. 

-Steve 

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