[Gvsig_english] About CRS extension... (part 2)

Antonio Falciano afalciano at yahoo.it
Thu Sep 20 11:54:51 CEST 2007


Hi Jose, hi list!
excuse me all, I have to make some precisations about what i said:
The EPSG codes I reported were wrong! They are 3003 and 3004, instead of
26591 and 26592. The CRSs with codes 26591 and 26592 admit another
transformation (+towgs84=-225,-65,9). I'm using gvSIG 1.1 rc2.

> Jose Luis Gómez Martínez wrote:
>> Hi Antonio,
>>
>> It will be possible to customize a CRS in the future, we are working 
>> on it. You will be able to create your own CRSs, save and use them.
>>
>> We need to study the problem with the manual tranformations. We are 
>> going to do some tests in order to see what is wrong.
>>
>> Best,
>>    José Luis
>>
>>
>> Antonio Falciano escribió:
>>> Hi list,
>>> i'm wondering if it will be possible to customize a CRS in the future,
>>> useful especially in the case of cadastral maps.
>>> Furthermore, the manual transformations (and so the projection on the 
>>> fly)
>>> to UTM WGS84 32 and 33N don't work properly in the case of Italian 
>>> Gauss-Boaga Roma40
>>> (EPSG codes: 26591 and 26592). It seems that default transformations

EPSG codes: 3003 and 3004, instead of 26591 and 26592.

>>> (Sicily? Sardinia?) override the manual one
>>> (+towgs84=-104.1,-49.1,-9.9,0.971,-2.917,0.714,-11.68), which is that
>>> suggested by EPSG for peninsular part of Italy.
>>> Any suggestions?
>>>

Best Regards,
Antonio Falciano




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