Q&A - Question

How to add projections at http://spatialreference.org.

Question
ilkk asked on January 15, 2018, keyword: Developer Kernel
Turkey  SR-ORG: 7931: ITRF96 / TM27,  SR-ORG: 7932: ITRF96 / TM30,
SR-ORG: 7933: ITRF96 / TM33, SR-ORG: 7934: ITRF96 / TM36,
SR-ORG: 7935: ITRF96 / TM39,
SR-ORG: 7936: ITRF96 / TM42,
SR-ORG: 7937: ITRF96 / TM45 projections (ITRF96) are used.
These are defined as tatukgis. How can I add if it is not defined.

http://spatialreference.org/ref/?search=ITRF96
 
Answers
Tomasz Kosinski (TatukGIS) replied January 15, 2018
You can just use a WKT definition like  http://spatialreference.org/ref/sr-org/7931/ogcwkt/

But are those definition equal to TUREF (lke EPSG:5253)?  Visit http://www.epsg-registry.org and search for TUREF 
ilkk replied January 15, 2018
TUREF TM27 (epsg: 5253) and SR-ORG: 7931: ITRF96 / TM27 are not the same. Coordinate transformations etc. it is an error.
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