* Markus Neteler <nete...@osgeo.org> [2019-10-28 12:33:44 +0100]:
On Mon, Oct 28, 2019 at 10:46 AM Moritz Lennert
<mlenn...@club.worldonline.be> wrote:
On 27/10/19 18:52, Markus Neteler wrote:
> Hi,
>
> I am using i.fusion.hpf on Worldview-2 data and see that the resulting
> range is completely different:
>
> # orig
> r.info -r wv2_17OCT08182034_M2AS_058891334010_01_P001.5
> min=0
> max=1509
>
> # HPF
> r.info -r wv2_17OCT08182034_M2AS_058891334010_01_P001.5.hpf
> min=-1045.79783524995
> max=3416.06793724612
Just guessing here, but did you try the -c flag ?
Now yes:
i.fusion.hpf pan=$PAN msx=$(g.list raster pattern="$COLORPREFIX.?"
sep=comma) -c --o
# band 8
r.info -r wv2_17OCT08182034_M2AS_058891334010_01_P001.8
min=0
max=1605
r.info -r wv2_17OCT08182034_M2AS_058891334010_01_P001.8.hpf
min=-1163.98434592277
max=3879.99538075697
So, -c doesn't seem to have any effect here.
Mean values (and StdDev) don't change too much though. As I am looking
over the algorithm again, these days, I'll try to answer this in the
best possible way.
Cheers, Nikos
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