[mapserver-users] Map data strategy

[Paul Ramsey]

If you're using a map file with 100s of layers, you really must set an
EXTENT on each layer to mapserver can intelligently ignore layers that
are not "in scope" for the current view.

P

On Tue, Jun 24, 2014 at 10:36 PM, Malm Paul <paul.malm at saabgroup.com> wrote:
> Hi,
>
> I’ve just started using Mapserver and have a question, that could help me to
> cut corners.
>
>
>
> 1)      I have a lot of S57 charts in different scale groups 1-6.
>
> 2)      It should be simple to maintain the map data (a lot of upgrades).
>
> 3)      Of course, it should be fast.
>
>
>
> Strategy of today:
>
> I have the original data stored in the original format on ram disk. I have
> one map file that INCLUDEs all “layer” files (one per chart).
>
> The layer files defines the all the interesting chart features (layers) and
> the max scale.
>
> I was thinking that I only shall use max scale, not min scale, because if I
> don’t have a chart with a larger scale a certain position when I zoom in,
> then I shall at least see a chart. Even if has a to small scale for this
> zoom. I don’t have any spatial restrictions on each layer or layer file,
> just for the map file -90, -180, 90, 180 (i.e no limits)
>
> Is it possible to have spatial limitations on a layer?
>
>
>
> When I use this strategy the map server chokes then I zoom in too much.
>
>
>
> I can see that the map configuration could be done in a lot of different
> ways,
>
> How would your strategy be?
>
>
>
> Kind regards,
>
> Paul
>
>
>
>
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