[Geomoose-users] Change projection
Brent Fraser
bfraser at geoanalytic.com
Tue Jan 6 07:57:20 PST 2015
Geograefin,
I don't think 2.6 is very different with the way it handles
coordinate systems, but I will try it to make sure.
Your web mapping site can have only one display coordinate system
(e.g. EPSG:3857, or EPSG:25833) at a time, but each of your local data
sets can be in any coordinate system. Mapserver can re-project them to
the target display coordinate system if you give enough information in
your Mapserver map files.
I used your estimates for the extents in the mapbook.xml
<param name="max_extent">100000,1000000,999999,9999999</param>
<param name="initial_extent">295743,5511505,709358,5755456</param>
Best Regards,
Brent Fraser
On 1/6/2015 8:03 AM, geo.graefin at web.de wrote:
> Dear Brant Fraser,
> thank you for your answer!
> I use GeoMOOSE 2.6. Does this make a difference?
> Cannot I use several coordinate systems (EPSG:25833 and EPSG:3857)?
> What have you entered as the max_extent in mapbook.xml?
> Sincerely, Geograefin
> *Gesendet:* Dienstag, 06. Januar 2015 um 15:11 Uhr
> *Von:* "Brent Fraser" <bfraser at geoanalytic.com>
> *An:* geo.graefin at web.de, geomoose-users at lists.osgeo.org
> *Betreff:* Re: [Geomoose-users] Change projection
> Geograephin,
>
> I followed the instructions and got something reasonable:
>
> <deleted image>
>
> How can you tell your setup is not working properly?
>
> (Note that only the ArcGIS server will return tiles in the EPSG:25833
> coordinate system for the Background group).
> Best Regards,
> Brent Fraser
> On 1/6/2015 6:06 AM, geo.graefin at web.de wrote:
>
> Hello,
> here more in detail what I did:
> 1. I created a new js file including the declaration of the EPSG
> code from spatialreference.org and deleted the one of EPSG:26915.
> /Proj4js.defs["EPSG:25833"] = "+proj=utm +zone=33 +ellps=GRS80
> +units=m +no_defs";/
> 2. I referenced this new js file in geomoose.html. Beside there is
> another projection for the geographic coordinates (EPSG:3857). I
> deleted the reference of EPSG:26915.
> /<script type="text/javascript"
> src="projections/EPSG3857.js"></script>
> <script type="text/javascript"
> src="projections/EPSG25833.js"></script>/
> 3. I changed the parameters projection, max_extent and
> initial_extent in mapbook.xml.
> /<param name="projection">EPSG:25833</param>
> <param name="zoomto"><![CDATA[
> {
> "Zoom To:" : {
> "Sachsen und Niederschlesien" :
> [295743,5511505,709358,5755456]
> }
> }
> ]]></param>
> <param name="max_extent">100000,1000000,999999,9999999</param>
> <param
> name="initial_extent">295743,5511505,709358,5755456</param>
> <param name="measure_tool.show_area_segments">false</param>
> <param name="layer_controls.legend.on">false</param>
> <param name="layer_controls.up.on">false</param>
> <param name="layer_controls.down.on">false</param>
> <param name="layer_controls.metadata.on">false</param>
> <param name="layer_controls.legend.on">true</param>
> <param name="group_checkboxes">false</param>
> <param name="default_tab">Catalog</param>
> <param name="ground_units">m</param>
> <param name="maxResolution">156543.03390625</param>
> <param name="numZoomLevels">20</param>
> <param name="coordinate_display.usng">false</param>
> <param name="jumpto_scales"><![CDATA[
> {
> "1:100000" : 100000,
> "1:50000" : 50000,
> "1:24000" : 24000,
> "1:10000" : 10000,
> "1:5000" : 5000
> }
> ]]></param>/
> When I change the coordinates of max_extent then GeoMOOSE shows
> another area. Maybe there is the problem? When I set the
> fractional_zoom to true, the osm tiles will be displayed pink.
> 4. I changed the projection of the map in local_settings.ini and
> settings.ini:
> /[map]
> projection=EPSG:25833/
> That is what I have done. Is there anywhere a reference to the
> "old" projection of EPSG:26915? Anything I have missing?
> Unfortunately I have no own data, that I can proof, because there
> is a mistake in the map file of the data's source.
> Thanks a lot for your help!
> Greetings, Geograefin
> *Gesendet:* Montag, 05. Januar 2015 um 22:16 Uhr
> *Von:* "TC Haddad" <tchaddad at gmail.com>
> *An:* geo.graefin at web.de
> *Betreff:* Re: Re: [Geomoose-users] Change projection
> Let's back up - can you describe your symptoms in more detail?
> - You started from the demo
> - You made your projection changes and something didn't work
> - is your data displaying correctly in the map?
> - do you get a pink screen when you try to view your data?
> - are the coordinates displaying below the map incorrect? or
> duplicated in 2 projections?
> More items to double check or try:
> - Did you set appropriate initial and maximum extent values in the
> Mapbook?
> ie. <param
> name="max_extent">7110968,-610403,9234765,956456</param>
> <param
> name="initial_extent">7296650,228568,7570144,408049</param>
> - Did you set the correct units in the Mapbook?
> <param name="ground_units">ft</param>
> - Did you set appropriate zoom levels in the Mapbook?
> <param name="fractional_zoom">true</param>
> <param
> name="scales">0.25,0.5,1,2,4,8,16,32,64,128,256,512,1024,2048</param>
> On Mon, Jan 5, 2015 at 11:14 AM, <geo.graefin at web.de> wrote:
>
> Thank you for your answer,
> I did all the steps, including the both of your answer. I
> really have no idea, what is wrong. Maybe the
> local_settings.ini could not overwrite the settings.ini?
> *Gesendet:* Montag, 05. Januar 2015 um 18:10 Uhr
> *Von:* "TC Haddad" <tchaddad at gmail.com>
> *An:* geo.graefin at web.de
> *Betreff:* Re: [Geomoose-users] Change projection
> Some ideas to check if you started from the Demo file:
>
> * Did you place the epsg25833.js file that you created in
> Step 2 in the projections directory?
> * Did you remove the reference to the old projection from
> your HTML? ie.
> delete <script type=”text/javascript”
> src=”projections/EPSG26915.js”></script>
> insert <script type=”text/javascript”
> src=”projections/EPSG25833.js”></script>
>
> On Mon, Jan 5, 2015 at 8:35 AM, <geo.graefin at web.de
> <http://geo.graefin@web.de>> wrote:
>
> Dear community,
> I have problems with changing the projection of my
> GeoMOOSE project. I have followed the instructions at the
> GeoMOOSE site
> [http://docs.geomoose.org/2.7/docs/projections.html]. In
> addition to all these steps I changed the EPSG code in
> local_settings.ini. But there is no effect. It still
> shows the projection (EPSG code 26915) of the demo, as
> well as the coordinates x,y at the status bar. The "new"
> epsg code is 25833.
> Do you have any ideas, what instructions are missing or
> what i did wrong?
> I would be very grateful for help! Thank you in advance!
> Greetings, Geograefin
>
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