[GRASS-dev] mean value bug?
glynn at gclements.plus.com
Wed Nov 25 18:51:47 EST 2009
Peng Du wrote:
> Hi, the following part is from code grass-6.4.0RC5/imagery/i.pca/main.c
> static int calc_mu(int *fds, double *mu, int bands)
> Correct me if I'm wrong, but I can't seem to tell how variable ptr is
> used. This two loops are accumulating values in a certain band and ptr
> points to the data value:
> sum += G_get_raster_value_d(rowbuf, maptype);
> Shouldn't the first parameter of G_get_raster_value_d be ptr rather than
Yes. And likewise for G_is_null_value().
Fixed in r39800 (6.5) and r39801 (7.0).
Glynn Clements <glynn at gclements.plus.com>
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