[Gvsig_english] gvSIG's extension topologia...

[Benjamin Ducke]

Fantastic! This is exactly what I've been looking for for a long time.
You people must be able to read minds are something.

Thanks for this.

Ben

Francisco José Peñarrubia wrote:
> Hi Benjamin.
> 
> It's not finished yet (because it seems SDE complains about the 
> generated polygon, but it may help you if you are not using SDE...
> 
> https://gvsig.org/web/docdev/manual-para-desarrolladores-gvsig/ejemplos/edicion/view?set_language=en 
> 
> 
> Source code:
> 
> https://gvsig.org/docdev/docs/manual-para-desarrolladores-gvsig-1/ejemplos/https://gvsig.org/web/docdev/docs/manual-para-desarrolladores-gvsig-1/ejemplos/data/src_workshop.zip 
> 
> 
> This extension alone:
> http://www.nabble.com/attachment/18065340/0/orggvsigworkshop.zip
> 
> Hope this helps.
> 
> Fran Peñarrubia
> http://www.scolab.es
> 
> 
> 
> 
> Benjamin Ducke escribió:
>> That's really great news.
>>
>> We are currently trying hard to educate users about topological
>> correctness and this will come in very handy.
>>
>> There is one thing I would love to see for topological editing of
>> polygons: if the user creates a new polygon "B" and one of the vertices
>> of "B" overlaps an existing polygon "A" in the same layer, then that
>> vertex should automatically be "snapped back" so that it "sits" exactly
>> on the boundary of "A", not its area. In such a case, additional
>> vertices may also have to be added to follow the boundary of "A".
>>
>> This would prevent a lot of small digitizing errors that would otherwise
>> have to be cleaned up manually.
>>
>> Cheers,
>>
>> Ben
>>
>>
>> Manuel Madrid wrote:
>>> Hi Wolfgang and all.
>>>
>>> This extension will provide gvSIG with some topology tools. 
>>> Specifically (sorry about the translation):
>>>
>>> - Generate topology.
>>> - Show and modify topology.
>>> - Save and load topology.
>>> - Topology editing tools.
>>>     · Move geometries.
>>>     · Split geometries.
>>>     · Simplify geometries.
>>>     · Smooth polyline.
>>>     · Autocomplete poligons.
>>>     · Geometric info.
>>> - Topological geoprocessing.
>>>     · Reverse digitation direction.
>>>     · Simplify geometries.
>>>     · Convert a polygon geometries layer to a line geometries layer.
>>>     · Smooth lines.
>>>     · Delaunay triangulation / Thiessen polygons.
>>>     · Build.
>>>     · Clean.
>>>     · Batch.
>>>
>>> We hope all of them are available soon in the devel builds.
>>>
>>> Regards,
>>> Manuel.
>>>
>>> Wolfgang Qual escribió:
>>>> Good morning, developers.
>>>> Recently, I discovered by accident that there will be another 
>>>> extension of gvSIG - the extension topologia. This is really 
>>>> interesting! Is it possible to estimate the release date of that 
>>>> extension? What will it include?
>>>> I am curious about this and it would be very cool if you could give 
>>>> us some information. :)
>>>>
>>>> Best regards
>>>> Wolfgang 
>>>
>>
>>
> 
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> 


-- 
Benjamin Ducke
Senior Applications Support and Development Officer

Oxford Archaeology Ltd
Janus House
Osney Mead
OX2 0ES
Oxford, U.K.

Tel: +44 (0)1865 263 800 (switchboard)
Tel: +44 (0)1865 980 758 (direct)
Fax :+44 (0)1865 793 496
benjamin.ducke at oxfordarch.co.uk




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