[gdal-dev] gdal_grid: taking a value from feature attribute

[Tamas Szekeres]

Andrey,

I think the 'field' option name would better conform to the OGR
terminology. You could also denote that this will make up the z value
during the grid creation.
So I think '-zfield' or '-zvalue' would be a better choice.

Best regards,

Tamas


2008/5/17 Andrey Kiselev <dron at ak4719.spb.edu>:
> Folks,
>
> I need an advise. I have added a possibility to get the value for
> interpolation from feature attribute instead of Z coordinate of geometry
> record. But there is a small problem with gdal_grid utility interface.
> The "-a" option that I would like to use to specify attribute name is
> already taken by an algorithm parameter (see
> http://www.gdal.org/gdal_grid.html manual page for details). Other GDAL
> utilities (gdal_rasterize, gdal_contour) use "-a" option to set the
> attribute name. I would like to be consistent and go with "-a" too and
> rename the "algorithm" option in something other. Let it be "-m"
> (m[ethod]).
>
> So my question is: will it be harmless to change the gdal_grid
> interface in that way? Any objections?
>
> Best regards,
> Andrey
>
> --
> Andrey V. Kiselev
> ICQ# 26871517
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