[Proj] Verification of inverse step in projection

[José Luis García Pallero]

2009/12/13 Roger Oberholtzer <roger at opq.se>:
> Perhaps:
>
> projPJ *pjStruct;
>
> as pj_init_plus returns a pointer.
>
>
>> pjStruct = pj_init_plus("+proj=tcc +ellps=clrk66 +lon_0=90W");
>> if(!pjStruct)
>>    ....
>> if(pjStruct->inv==0)
>>    ....

But pj_init_plus() can't know if you will use the forward or the inverse step.

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José Luis García Pallero
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