[postgis-devel] Parser/Emitter Changeover

[Paul Ramsey]

Yeah, there we go, back in business.

postgis20=# select asewkt('GEOMETRYCOLLECTIONM(POINTM(0 0 0))'::geometry);
              asewkt
-----------------------------------
 GEOMETRYCOLLECTIONM(POINT(0 0 0))
(1 row)



On Mon, Dec 6, 2010 at 9:43 AM, Paul Ramsey <pramsey at opengeo.org> wrote:
> Actually, I think it's easy enough to continue to emit the old
> extended form (just testing a change that does that now), which for
> backwards compatibility makes sense, even if hardly anyone (or no one)
> uses it. A bigger backwards issue will be my desire to emit ISO WKT
> instead of extended.
>
> P.
>
> On Mon, Dec 6, 2010 at 8:14 AM, Paul Ramsey <pramsey at opengeo.org> wrote:
>> Well, the SQL/MM Part 3 spec BNF seems to require the dimensionality
>> flags on all typed subparts as well as the parent part. For example:
>>
>> <geometrycollection text representation> ::= GEOMETRYCOLLECTION [ <z
>> m> ] <geometrycollection text>
>>
>> <geometrycollection text> ::= <empty set>
>> | <left paren> <well-known { <comma> <well-known text representation>
>> text representation> }... <right paren>
>>
>> <well-known text representation> ::= <point text representation> |
>> <curve text representation>
>> | <surface text representation> | <collection text representation>
>>
>> <point text representation> ::= POINT [ <z m> ] <point text>
>>
>> On Mon, Dec 6, 2010 at 3:55 AM, strk <strk at keybit.net> wrote:
>>> On Sat, Dec 04, 2010 at 12:15:40AM -0800, Paul Ramsey wrote:
>>>
>>>> - In EWKT, collections of M-dimensioned objects have the M flag on all
>>>>   subcomponents as well as parent components.
>>>>
>>>>   eg: CURVEPOLYGONM(CIRCULARSTRINGM(..))
>>>
>>> Is there any standard out specifying this one ?
>>>
>>> --strk;
>>>
>>>  ()   Free GIS & Flash consultant/developer
>>>  /\   http://strk.keybit.net/services.html
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>>
>