[Qgis-developer] On the fly simplication of point layers

[A Huarte]

Ok, I will study it


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>If you have time and inclination this would be great (note feature freeze starts in 4 days). A logical starting may be to only return one point per map pixel though I am not sure if you can push that kind of logic over to provider side very easily.
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>Regards
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>Tim
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>>>________________________________
>>> De: Tim Sutton <lists at linfiniti.com>
>>>Para: A Huarte <ahuarte47 at yahoo.es> 
>>>CC: qgis-developer <qgis-developer at lists.osgeo.org> 
>>>Enviado: Lunes 20 de enero de 2014 22:57
>>>Asunto: Re: [Qgis-developer] On the fly simplication of point layers
>>> 
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>>>
>>>Hi
>>>
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>>>
>>>On Mon, Jan 20, 2014 at 11:47 PM, A Huarte <ahuarte47 at yahoo.es> wrote:
>>>
>>>done:
>>>>https://github.com/qgis/QGIS/pull/1093
>>>>
>>>>
>>>>
>>>>This patch hides the simplification rendering tab for point layers, now it is not supported (internally I am not trying to simplify point layers). Thanks Tim!
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>>>>
>>>>About if there is a use case for point simplification, I know one, (gvSIG  + dielmo open lidar) use it for load extreme big point layers as LiDAR LAS files are.
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>>>>It know the code in java and I think easy migrate to QGIS. Basically, It ignore points by distance in a similar style as the current simplifier classes.
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>>>Sorry I see my original email was not very clear - I meant if there was a use case for point simplification as *currently implemented in master* - I fully agree that filtering proximal points would be a good performance booster, as would providing a point clustering capability. 
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>>>>If you think good for QGIS I think but I can imlement it
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>>>That would be great! Thanks for your pull request.
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>>>
>>>Regards
>>>
>>>
>>>Tim
>>> 
>>>.
>>>>Alvaro
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>>>>
>>>>
>>>>>________________________________
>>>>> De: Tim Sutton <lists at linfiniti.com>
>>>>>Para: qgis-developer <qgis-developer at lists.osgeo.org> 
>>>>>Enviado: Lunes 20 de enero de 2014 21:29
>>>>>Asunto: [Qgis-developer] On the fly simplication of point layers
>>>>> 
>>>>>
>>>>>
>>>>>Ok I guess you can see where I am going to go with this email :-) Is there any point to allowing users to simplify point layers? Alvaro, can your remove the point rendering tab in layer properties (and I guess check internally that you are not trying to simplify point layers)? Or is there a use case for point simplification that I am not getting?
>>>>>
>>>>>
>>>>>Regards
>>>>>
>>>>>
>>>>>Tim
>>>>>
>>>>>
>>>>>-- 
>>>>>
>>>>>Tim Sutton - QGIS Project Steering Committee Member
>>>>>==============================================
>>>>>Please do not email me off-list with technical
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>>>>>surrounding your issue will be shared with all.
>>>>>
>>>>>Irc: timlinux on #qgis at freenode.net
>>>>>==============================================
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>>>>>
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>>>>>
>>>
>>>
>>>
>>>
>>>-- 
>>>
>>>Tim Sutton - QGIS Project Steering Committee Member
>>>==============================================
>>>Please do not email me off-list with technical
>>>support questions. Using the lists will gain
>>>more exposure for your issues and the knowledge
>>>surrounding your issue will be shared with all.
>>>
>>>Irc: timlinux on #qgis at freenode.net
>>>==============================================
>>>
>>>
>>>
>
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>
>
>-- 
>
>Tim Sutton - QGIS Project Steering Committee Member
>==============================================
>Please do not email me off-list with technical
>support questions. Using the lists will gain
>more exposure for your issues and the knowledge
>surrounding your issue will be shared with all.
>
>Irc: timlinux on #qgis at freenode.net
>==============================================
>
>
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