Re: [GRASS-dev] [GRASS GIS] #793: Provide breakline (fault line) support for surface interpolation modules
#793: Provide breakline (fault line) support for surface interpolation modules -+-- Reporter: marisn | Owner: grass-dev@… Type: enhancement | Status: new Priority: normal | Milestone: 7.0.0 Component: Vector | Version: svn-trunk Keywords: breaklines |Platform: All Cpu: All | -+-- Changes (by hamish): * keywords: = breaklines * platform: Unspecified = All * version: unspecified = svn-trunk * cpu: Unspecified = All Comment: see also Alexander Muriy's v.triangle addon module, http://grasswiki.osgeo.org/wiki/TIN_with_breaklines Hamish wrote: try v.surf.icw from addons. [...] it is very computationally expensive so number of starting points should be kept low. note the new version isn't quite as expensive as the old, and now supports multi-processing. Probably should still be limited to less than a few hundred input points though. Hamish -- Ticket URL: https://trac.osgeo.org/grass/ticket/793#comment:3 GRASS GIS http://grass.osgeo.org ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
Re: [GRASS-dev] [GRASS GIS] #793: Provide breakline (fault line) support for surface interpolation modules
#793: Provide breakline (fault line) support for surface interpolation modules -+-- Reporter: marisn | Owner: grass-dev@… Type: enhancement | Status: new Priority: normal | Milestone: 7.0.0 Component: Vector | Version: unspecified Keywords: |Platform: Unspecified Cpu: Unspecified | -+-- Changes (by jdenisgiguere): * cc: jdenisgiguere (added) -- Ticket URL: http://trac.osgeo.org/grass/ticket/793#comment:2 GRASS GIS http://grass.osgeo.org ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
[GRASS-dev] [GRASS GIS] #793: Provide breakline (fault line) support for surface interpolation modules
#793: Provide breakline (fault line) support for surface interpolation modules -+-- Reporter: marisn | Owner: grass-dev@lists.osgeo.org Type: enhancement | Status: new Priority: normal | Milestone: 7.0.0 Component: Vector | Version: unspecified Keywords: |Platform: Unspecified Cpu: Unspecified | -+-- Current v.surf.* modules do not support breaklines (fault lines). It's common in geology and other fields to have line/surface that limits interpolated value expansion - interrupts spatial correlation (neighborhood influence). IMHO breaklines should be taken into account at two times - first when choosing data input points for calculation (only points at one side of line) and second time - when assigning values for cells - only cells at one side of line should receive values. I understand that this is longterm goal and it requires lot of discussions how it should be implemented. Still it's a wanted feature. -- Ticket URL: http://trac.osgeo.org/grass/ticket/793 GRASS GIS http://grass.osgeo.org ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
