Thanks for the help, but I am not quite clear on the part you say the
script has to be an executable. I copied and pasted the script from
the wiki page and stored it in ~/Library/GRASS/6.4/Modules/bin; called
the script by typing it (called chlatransl) to the Terminal shell. It
said "chlatranl not found". How do I compile the script to make it an
executable. Right now it is stored in a text file.
I apologize for being naive.
Andrew
Andrew Lewin, M.Sc., Adv. Dipl. GIS
Email: [email protected]
Tel: (905) 639-4646
Mobile: (905) 630-8441
Skype: andrew.lewin99
On 18-Aug-09, at 4:54 PM, William Kyngesburye wrote:
On Aug 18, 2009, at 3:18 PM, Andrew Lewin wrote:
Hi Everyone,
I am a beginner user of GRASS (I normally use ArcGIS) running on
Mac OS X Grass 6.4 ORC5.
I am trying to process MODIS chlor-a images according to the MODIS
Wiki page. There are many scripts on the wiki page that I would
like to use; however, I do not know how to:
1) save the script file, i.e. what file extension to I use?
use whatever filename the script has (or is specified). No
extension needed, but 'sh' is the standard shell script extension.
But it does need to be executable, which won't be true if you
download the raw script text or copy-n-paste. It should be set if
the script is compressed.
In a Terminal, type this (drag-n-drop the script from a Finder
window to the Terminal to paste the path to the script):
chmod +x /path/to/script
2) where to store the script, i.e. Do I store it in the mapset
location?
You can put it whereever you like, but in the GISBASE is probably
not a good idea. There is a GRASS environment setting to specify
custom paths where to find GRASS addon executables: GRASS_ADDON_PATH.
Even easier, on OSX (for the application build), put it in:
~/Library/GRASS/6.4/Modules/bin
This is automatically added to GRASS_ADDON_PATH on startup. It will
be created the first time you run GRASS.
3) how to call the script, i.e. within the terminal shell (bash).
type the name of the script.
Any help would be greatly appreciated.
Andrew
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-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/
"Oh, look, I seem to have fallen down a deep, dark hole. Now what
does that remind me of? Ah, yes - life."
- Marvin
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