[Geomoose-users] Change projection

Brent Fraser bfraser at geoanalytic.com
Tue Jan 6 08:40:20 PST 2015


2.6.1 works fine too.

Best Regards,
Brent Fraser

On 1/6/2015 8:57 AM, Brent Fraser wrote:
> 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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