[MetaCRS] gsb grids in Proj4js
Jan Hartmann
j.l.h.hartmann at uva.nl
Wed Mar 20 08:08:59 PDT 2013
Very interesting, I just read it now. Does this mean that I can use an
ntv2-file as part of a PROJ definition? How will this file be read in?
This would be very important for my work with historical maps, as it is
very easy to create ntv2-files with the gdal-utilities, to use as base
for rubber-sheeting
http://lists.maptools.org/pipermail/proj/2013-January/006539.html
Jan
On 03/20/2013 03:33 PM, Michael Adair wrote:
> 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>
>>>> > _______________________________________________
>>>> > 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>
>>>>
>>>>
>>>>
>>>>
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