Hi Chris,
Thank you for your answers - Really appreciated.
I'll play around with all these options, read up a bit, and most likely post
more questions later.
Thanks,
Mark
On 7 June 2011 20:36, Chris Holmes <[email protected]> wrote:
>
>
> On Tue, Jun 7, 2011 at 11:40 AM, Mark van Wyk <[email protected]> wrote:
>
>> Hi there,
>>
>> This is my first post to the group.
>>
>> I'm very excited about the prospects that GeoServer have to offer my
>> project. I would really love it if you could give me some hints around how
>> to start tackling my project.
>>
>> I have lots of Lamberts Projection Aeronautical Charts. They're in
>> Geocoded TIFF Files.
>>
>> I have them in 1:250 000, 1:500 000 and 1:1 000 000.
>>
>> I'd like to get them loaded into GeoServer, and then get GeoServer to
>> serve tiles to Google Maps.
>>
>> Can you please let me know what parts of GeoServer I'll need to read up on
>> and what the features are called. (I'm new to geo language and acronyms).
>>
>> Also, I'd love to know if you think any of the following would be
>> possible.
>>
>> 1. To crop the map legends off the bottom of the maps (but keeping the geo
>> encoding).
>>
>
> This I'm not sure how to do. I imagine you could use GDAL command line in
> some way http://www.gdal.org/ Or a desktop GIS. Basically I believe it's
> a pre-processing step before you get it in to GeoServer.
>
>
>> 2. Have GeoServer read a lamberts TIFF projection and correctly map it to
>> the earth, and GeoServer serve Google Map / OpenLayer tiles that are in it's
>> typical Mercator projection.
>>
>
> This should happen with just getting it configured right (adding your
> geotiff as a 'store' and then publishing the layer. Basically it's
> http://docs.geoserver.org/stable/en/user/gettingstarted/shapefile-quickstart/index.htmlbut
> pick geotiff instead of shapefile). As long as the lamberts projection
> is right then GeoServer automatically handles reprojection. You just need
> to request srs=EPSG:900913 for the projection. Can play with requests
> using http://docs.geoserver.org/2.1.x/en/user/tutorials/wmsreflector.html
>
> I would recommend you use GeoWebCache, as it'll cache your tiles for faster
> access. It's embedded in GeoServer
> http://docs.geoserver.org/stable/en/user/geowebcache/index.html If you're
> using GMaps API directly then GWC has a nice shortcut you can use, see
> http://geowebcache.org/docs/current/services/gmaps.html
>
>
>> 3. Have tiles served from 1:250 000 when zoomed in (if available, else
>> fall back to 1:500 000), 1:500 000 for medium zoom levels, and 1:100 000 for
>> other zoom levels.
>>
>>
> I believe the best practice way to do this is to make an SLD for each with
> the scale denominators you want it to display at. See like
> http://suite.opengeo.org/recipes/#sld/polygon/zoombasedpolygon Though you
> just probably need the scale for each layer, not a bunch of rules.
>
> Then after you have each layer at the scales you want put them together in
> to a 'layer group'
>
> http://docs.geoserver.org/stable/en/user/webadmin/data/layergroups.html
>
>
>> I'm not looking for verbose answers (although they will be greatly
>> appreciated). Quite happy to RTFM, just like to be pointed in the right
>> direction.
>>
>> Very excited to hear your response.
>>
>>
> No problem - thanks for asking so nicely and considerately.
>
> Chris
>
>
>> Thanks,
>>
>> Mark van Wyk
>>
>>
>>
>> *Email: *[email protected]
>> *Mobile:* 082 831 9227
>>
>>
>>
>>
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