Demitri,
You will want to build yourself a tile system (there are a number of tools for
this) with an attached index of the tiles. You'll need to build a set of tiles
for each level of zoom (pixel scales) that you will be using in the map
interface drill down.
With the right indexing of tiles, and proper tile building, you can serve up
just about an unlimited size raster dataset.
MapServer includes some utilities to build a tile set as does GDAL/OGR. Do a
search on the keywords Mapserver, tiles and index, and that should get you
close to what you are looking for.
bobb
06/14/11 10:10 PM
Hello,
I have recently discovered MapServer and I wanted to get some advice about
setting up a new WMS. I have a data set that is several terabytes in size that
I'd like to serve.
As just a trial, I want to start with a single raster layer. Is there an
example of a MapServer setup that I can look at that only serves raster images
in the form of individual tiles? The raster examples I have seen use a single
image that MS apparently slices up on demand, but no such single image for my
data exists (it's far too big).
What is the recommended approach? I could write a script that can generate the
images on demand from the raw data - can these be passed to mapserv? I can also
pre-generate tiles of the whole data set. If I want to implement a zoom,
presumably I'd generate multiple sets of these at different scales? Would each
zoom level be a new layer?
I'm sure I'll have lots more questions, but this should start me on the right
path!
Cheers,
Demitri
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