[MetaCRS] gsb grids in Proj4js

Wed Mar 20 07:33:51 PDT 2013

Didier,

Glad to hear the commit worked, next week is fine with me.

Mike

On 19/03/2013 6:51 PM, RICHARD Didier wrote:
>> 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>
>>>      > _______________________________________________
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>>>      >
>>>
>>>
>>>      --
>>>      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>
>>>
>>>
>>>
>>>
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