[GRASS5] Tutorial Chapter 5 (ch5a.ps) and SGI sockets

GRASS GRASS developer
1

Hi all.

I got bored with trying to get Grass working on Windows 98, and decided to
treat myself and build and run grass on an SGI Octane at work (with
sockets).

Very nice - it's fun to use Grass rather than trying to debug it! The
sockets seem to be working fine.

"Issues":

1. On startup it gives this self explanatory message, which I report only
because it asks me to:
-------------------------------------------------------------
50 miketh(1)@canetoad % ../grass/bin.mips-sgi-irix6.5/grass5 -tcltk
Starting GRASS ...
application-specific initialization failed: Can't find a usable init.tcl in
the following directories:
    /usr/local/lib/tcl7.6 /usr/local/lib/tcl7.6 /usr/tcl7.6/library
/usr/local/library
This probably means that Tcl wasn't installed properly.

Sorry your version of Tcl/Tk is 7.6 and is too old for GRASS.
GRASS requires a TCL/TK version of 8.0 or more.
Reverting back to text mode interface.
Please report this error to the Grass developers
Switching to text mode
Hit RETURN to continue...
----------------------------------------------------------

2. When doing the Chapter 5 of the Spearfish tutorial, r.reclass gives this
message:
----------------------------------------------------------
Mapset <miketh> in Location <spearfish>
GRASS 5.0beta12 > r.reclass input=landuse.tmp output=landuse.landfill
title="Acceptable Landuse"
ERROR: landuse.tmp is a reclass of another map. Exiting.
       Use r.mapcalc to generate a copy of input map landuse.tmp to work
with
Mapset <miketh> in Location <spearfish>
----------------------------------------------------------

How do I fix this and why does it happen?

Cheers

Mike Thomas.

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2

On Thu, Mar 01, 2001 at 11:24:47AM +1000, Mike Thomas wrote:

Hi all.

I got bored with trying to get Grass working on Windows 98, and decided to
treat myself and build and run grass on an SGI Octane at work (with
sockets).

Very nice - it's fun to use Grass rather than trying to debug it! The
sockets seem to be working fine.

"Issues":

1. On startup it gives this self explanatory message, which I report only
because it asks me to:
-------------------------------------------------------------
50 miketh(1)@canetoad % ../grass/bin.mips-sgi-irix6.5/grass5 -tcltk
Starting GRASS ...
application-specific initialization failed: Can't find a usable init.tcl in
the following directories:
    /usr/local/lib/tcl7.6 /usr/local/lib/tcl7.6 /usr/tcl7.6/library
/usr/local/library
This probably means that Tcl wasn't installed properly.

Sorry your version of Tcl/Tk is 7.6 and is too old for GRASS.
GRASS requires a TCL/TK version of 8.0 or more.
Reverting back to text mode interface.
Please report this error to the Grass developers
Switching to text mode
Hit RETURN to continue...
----------------------------------------------------------

Hi Mike,

it says: your version of Tcl/Tk is 7.6 and is too old for GRASS. GRASS
requires a TCL/TK version of 8.0 or more.
-> update tcl/tk libraries (see REQUIREMENTS for URL)

2. When doing the Chapter 5 of the Spearfish tutorial, r.reclass gives this
message:
----------------------------------------------------------
Mapset <miketh> in Location <spearfish>
GRASS 5.0beta12 > r.reclass input=landuse.tmp output=landuse.landfill
title="Acceptable Landuse"
ERROR: landuse.tmp is a reclass of another map. Exiting.
       Use r.mapcalc to generate a copy of input map landuse.tmp to work
with
Mapset <miketh> in Location <spearfish>
----------------------------------------------------------

How do I fix this and why does it happen?

It says: landuse.tmp is a reclass of another map. Exiting. Use r.mapcalc to
generate a copy of input map landuse.tmp to work

If you look at the manual page of r.reclass, you see:
http://www.geog.uni-hannover.de/grass/gdp/html_grass5/html/r.reclass.html
" NOTES

In fact, the r.reclass program does not generate any new raster map layers
(in the interests of disk space conservation). Instead, a reclass table is
stored which will be used to reclassify the original raster map layer each
time the new (reclassed) map name is requested.
..."

There you find more explanations.

Cheers

Mike Thomas.

Hope this helps,

Markus

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