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List:       grass-user
Subject:    Re: [GRASS-user] data format changing
From:       Markus Neteler <neteler () osgeo ! org>
Date:       2012-09-18 13:23:24
Message-ID: CALFmHhuEcYGPdKUw0DpsuNqPOLcALLus=Kcu0iiUSkh989eXbg () mail ! gmail ! com
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On Mon, Sep 17, 2012 at 2:45 PM, Markus Neteler <neteler@osgeo.org> wrote:
> On Mon, Sep 17, 2012 at 7:14 AM, 巩哲 <gongzhe79@gmail.com> wrote:
...
>> Then I need a binary image
>
> What do you mean with "binary map"? Which format would you like to use?

From the offlist indication you gave, I see that only 8-bit unsigned integer,
16-bit signed integer or 32-bit signed real data are supported by that software.

Hence I would multiply the NDVI values in GRASS with 100.0 (r.mapcalc)
and then export with r.out.bin to integer.

Markus
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