Creating a swd file
nadia
Does anyone have any advice on how to create a swd file. I'm not sure
which tool in ArcGIS allows you to get the grid values of multiple
environmental layers from the pixels underlying a point file. Any
advice would be appreciated.
Thanks!
Nadia
Ramamurthy Suganthan
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Ciprian Samoila
Do read the red paragraphs.
http://www.spatialecology.com/htools/tooldesc.php
Instead you may try
http://www.spatialecology.com/gme/ - the new tool improving the
functions also found in Hawth's tools.
This tool may be useful: http://www.spatialecology.com/gme/isectpntrst.htm
Best,
Ciprian
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Ciprian Samoila
Research assistant, PhD student (Biology)
The Faculty of Natural and Agricultural Sciences (www.stiintele-naturii.ro)
Ovidius University Constanta, Romania (www.univ-ovidius.ro)
ciprian...@stiintele-naturii.ro
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
on 26.06.2010 06:03 Ramamurthy Suganthan said the following:
> Use Hawths tool
> http://www.spatialecology.com/htools/tooldesc.php
>
> Good luck
> Suganthan
>
> On 26 June 2010 03:39, nadia <nro...@gmail.com
> <mailto:nro...@gmail.com>> wrote:
>
> Hi,
>
> Does anyone have any advice on how to create a swd file. I'm not sure
> which tool in ArcGIS allows you to get the grid values of multiple
> environmental layers from the pixels underlying a point file. Any
> advice would be appreciated.
>
> Thanks!
> Nadia
>
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> You received this message because you are subscribed to the Google
> Groups "Maxent" group.
> To post to this group, send email to max...@googlegroups.com
> <mailto:max...@googlegroups.com>.
> To unsubscribe from this group, send email to
> maxent+un...@googlegroups.com
> <mailto:maxent%2Bunsu...@googlegroups.com>.
John B
command is:
java -cp maxent.jar density.Getval samplesfile directory/
*.asc ... > outfile
where samplesfile is your sample .csv, directory is the path to your
enviro grids, and outfile is the path and name of the file you want to
write the resulting SWD .csv to.
The wildcard (*) tells Maxent to use all .asc grids in the directory.
If you'd rather choose a subset, you can list the grids' filenames one
after another instead (seperated with spaces).
To produce a background (pseudoabsence) SWD file, you can use:
java -cp maxent.jar density.tools.RandomSample num grid1 grid2
grid3
where num is your desired number of random points, and grid1, grid2,
etc are your enviro grid filenames.
John
On Jun 26, 5:17 pm, Ciprian Samoila <csamm...@gmail.com> wrote:
> Hawthorne Beyer isn't recommending the use of Hawth's tools any longer.
> Do read the red paragraphs.http://www.spatialecology.com/htools/tooldesc.php
>
>
> This tool may be useful:http://www.spatialecology.com/gme/isectpntrst.htm
>
> Best,
> Ciprian
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ciprian Samoila
> Research assistant, PhD student (Biology)
> The Faculty of Natural and Agricultural Sciences (www.stiintele-naturii.ro)
> Ovidius University Constanta, Romania (www.univ-ovidius.ro)
>
> on 26.06.2010 06:03 Ramamurthy Suganthan said the following:
>
>
>
> > Use Hawths tool
> >http://www.spatialecology.com/htools/tooldesc.php
>
> > Good luck
> > Suganthan
>
christos chariskos
First : i have an excel sheet with multiple variables and i convert it to csv file. then i import it to arcgis and convert it to raster and isnt appear at all.
Secondly : what is the steps to analyse the variable contribution with SWD?
Thank you
Chris Chariskos