[GRASS-user] <Q>animal's distribution and the altitude

[Moritz Lennert]

On Wed, December 24, 2008 18:12, Michael Barton wrote:
>
>
> On Dec 24, 2008, at 10:00 AM, <grass-user-request at lists.osgeo.org>
> <grass-user-request at lists.osgeo.org
>  > wrote:
>
>> Date: Wed, 24 Dec 2008 08:41:32 +0900
>> From: SGW00412 at nifty.com
>> Subject: [GRASS-user] <Q>animal's distribution and the altitude
>> To: grass-user at lists.osgeo.org
>> Message-ID: <JP200812240841323.4027203 at nifty.com>
>> Content-Type: text/plain; charset=ISO-2022-JP
>>
>> Dear grass users:
>>
>> I am a beginner of grass. I wish to express my gratitude for past
>> advices.
>>
>> I am researching relation between animal's distribution and the
>> altitude.
>>
>> Animal's distribution is composed of the point vector data. In a
>> word, this is a
>> location information.
>>
>> The altitude data was converted from DEM into the raster data.
>>
>> The rastere data was divided into ten categories by using reclass
>> function.
>>
>> I want to summarize the frequency distribution of the animal above
>> altitude
>> level.
>>
>> However, I do not know the analysis of grass command.
>>
>> I'll try to itersect with the point vector data and mesh polygon
>> converted form
>> raster data.
>>
>> Will this method be appropriate ?
>
> Add a column for elevation to your vector point attribute table. Use
> r.what.rast to put the elevation (or elevation class) directly into
> the elevation field of your points table. No need to convert raster to
> vector.

Or transform your points to raster and use r.coin or r.report with the two
maps.

Moritz