[MetaCRS] gsb grids in Proj4js

Tue Mar 19 15:51:38 PDT 2013

> Didier,
>

Mike,

> Did you test to see if you have commit access for proj4js?

Just made a test with proj4js-trunk.diff of ticket 80. Seems ok for the
commit access (rev 2318).

> If you can commit your patches, I'll endeavour to clean up what's left
> and then we can put out a new point release.   I'm also working on a
> version to work with the Closure compiler (to be released as version 1.2)
> but it would be good to have the existing tickets fixed before that
> happens.
>

Ok, I'll try my best this week-end. Does it sound ok for you ?

> Mike
>
>

Didier

> On 19/03/2013 11:16 AM, Juan Pedro Pérez Alcántara wrote:
>> Thanks for the reply, Richard. Again, forgive me for being ignorant
>> about the development process. Will your ticket be part of the
>> official code? Do you have any idea when it will be accepted? From the
>> time being, we can cope very well with a 7-parameter datum shifting,
>> but being able to incorporate the GSB will be definitively a very good
>> point for very precise applications.
>>
>> Thanks,
>> Juan Pedro Pérez Alcántara
>> Technical Director
>> jp.alcantara at geographica.gs <mailto:alberto.asuero at geographica.gs>
>> +34 670 786 422
>> Rodio 35
>> 41007 Sevilla
>> Spain
>> <http://maps.google.es/maps?f=q&source=s_q&hl=es&geocode=&q=rodio+35,+sevilla+espa%C3%B1a&sll=40.396764,-3.713379&sspn=10.787528,19.753418&ie=UTF8&hq=&hnear=Calle+Rodio,+35,+41007+Sevilla,+Andaluc%C3%ADa&t=h&z=16>
>>
>> T +34  954 437 818
>> F +34  955 110 441
>> Visit our web
>> *www.geographica.gs*
>> <http://www.geographica.gs/>
>> Follow us on Twitter
>> *@Geographica_ST*
>> <https://twitter.com/#%21/Geographica_GS>
>> Twitter <https://twitter.com/#%21/Geographica_ST>
>>
>>
>> On Fri, Mar 15, 2013 at 2:41 PM, RICHARD Didier <didier.richard at ign.fr
>> <mailto:didier.richard at ign.fr>> wrote:
>>
>>     > Hello everyone,
>>     >
>>
>>     Hi Juan Pedro,
>>
>>     > I'm new to the list and to Proj4js. I've managed to do 7
>> parameters
>>     > transformations between ED50 and ETRS89 (specifically, between
>>     EPSG:23030
>>     > (ED50 UTM30N) and EPSG:25830 (ETRS89 UTM30N) and works like a
>> charm,
>>     > congratulations to the Proj4js dev team. I was wondering if gsb
>>     grids
>>     > datum
>>     > shifting is already in the stable trunk. I've seen there is a
>>     ticket in
>>     > TRAC regarding this but, not being completely familiar with TRAC
>>     and the
>>     > development process, I don't know if this support is already in
>>     the stable
>>     > trunk. I've seen also that a gsb.js file is added to the
>>     definitions.
>>
>>
>>     I have not yet committed ticket 81 to truck for the moment. But, i
>> can
>>     write that it is used in production for our openlayers' based
>> webapp.
>>
>>     > Would
>>     > you please drop a hint on how this file is created from the
>>     original gsb
>>     > file?
>>     >
>>
>>     The structure of the gsb grid is detailled in the ticket: (CTABLE
>>     based). I didnot convert my gsb to this format, but i am sure it
>>     can be
>>     done via a PROJ4 dedicated app.
>>
>>     Regards,
>>
>>     Didier
>>     > Besides, if the dev team consider it useful, I can provide the
>>     23030 and
>>     > 25830 EPSG.js definition files for the source trunk, with the
>>     > transformation parameters applicable for the almost the entirety
>>     of the
>>     > Iberian Peninsula (only the northwest (Galician sector) uses a
>>     different
>>     > set of parameters).
>>     >
>>     > Thanks, and keep up with the great work!
>>     >
>>     > Regards,
>>     > Juan Pedro Pérez Alcántara
>>     > Technical Director
>>     > jp.alcantara at geographica.gs <mailto:jp.alcantara at geographica.gs>
>>     <alberto.asuero at geographica.gs
>> <mailto:alberto.asuero at geographica.gs>>
>>     > +34 670 786 422 <tel:%2B34%20670%20786%20422>
>>     > Rodio 35
>>     > 41007 Sevilla
>>     > Spain
>>     >
>>     <http://maps.google.es/maps?f=q&source=s_q&hl=es&geocode=&q=rodio+35,+sevilla+espa%C3%B1a&sll=40.396764,-3.713379&sspn=10.787528,19.753418&ie=UTF8&hq=&hnear=Calle+Rodio,+35,+41007+Sevilla,+Andaluc%C3%ADa&t=h&z=16>
>>     > T +34 954 437 818 <tel:%2B34%20%20954%20437%20818>
>>     > F +34 955 110 441 <tel:%2B34%20%20955%20110%20441>
>>     > Visit our web
>>     > *www.geographica.gs <http://www.geographica.gs>*
>>     > <http://www.geographica.gs/>
>>     > Follow us on Twitter
>>     > *@Geographica_ST*
>>     > <https://twitter.com/#%21/Geographica_GS>
>>     > [image: Twitter] <https://twitter.com/#%21/Geographica_ST>
>>     > _______________________________________________
>>     > MetaCRS mailing list
>>     > MetaCRS at lists.osgeo.org <mailto:MetaCRS at lists.osgeo.org>
>>     > http://lists.osgeo.org/mailman/listinfo/metacrs
>>     >
>>
>>
>>     --
>>     RICHARD Didier - Chef du pôle technique du Géoportail
>>     2/4, avenue Pasteur - 94165 Saint Mandé Cedex
>>     Tél : +33 (0) 1 43 98 83 23
>>     <tel:%2B33%20%280%29%201%2043%2098%2083%2023>
>>
>>
>>
>>
>> _______________________________________________
>> MetaCRS mailing list
>> MetaCRS at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/metacrs
>
> _______________________________________________
> MetaCRS mailing list
> MetaCRS at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/metacrs
>

-- 
RICHARD Didier - Chef du pôle technique du Géoportail
2/4, avenue Pasteur - 94165 Saint Mandé Cedex
Tél : +33 (0) 1 43 98 83 23