Re: [gdal-dev] gdal_grid: number of data points to use

2014-01-18 Thread Even Rouault
Le samedi 18 janvier 2014 16:47:23, Jan Hartmann a écrit : > Thanks Even. How difficult would it be to let gdal_gid use the nearest > points? The way it works now does not make much sense for mapping. The points would need to be accumulated in an array and sorted by distance to the point being co

Re: [gdal-dev] gdal_grid: number of data points to use

2014-01-18 Thread Jan Hartmann
Thanks Even. How difficult would it be to let gdal_gid use the nearest points? The way it works now does not make much sense for mapping. Another very usable solution would be to select the nearest points in each quadrant relative to the interpolation point (NE, SE, SW, SE). It is available in

Re: [gdal-dev] gdal_grid: number of data points to use

2014-01-18 Thread Even Rouault
Le samedi 18 janvier 2014 12:48:23, Jan Hartmann a écrit : > gdal_grid has the option to set a minimum and maximum number of data > points to use for interpolation. How are these data points selected from > the total number of points? Are they always the nearest points to the > grid-point that is i

[gdal-dev] gdal_grid: number of data points to use

2014-01-18 Thread Jan Hartmann
gdal_grid has the option to set a minimum and maximum number of data points to use for interpolation. How are these data points selected from the total number of points? Are they always the nearest points to the grid-point that is interpolated? Jan _