Details Ticket 3227


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Serial Number 3227
Subject d.paint.labels uses wrong reference point
Area grass5.4
Queue grass
Requestors roger@spinn.net
Owner none
Status open
Last User Contact Sat Aug 20 12:36:24 2005 (3 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Wed Sep 27 15:00:50 2006 (2 yr ago)
Created Tue May 10 23:23:21 2005 (3 yr ago)

Transaction History Ticket 3227


Tue, May 10 2005 23:23:21    Request created by guest  
Subject: d.paint.labels uses wrong reference point

Platform: GNU/Linux/i386
grass obtained from: Mirror of Trento site
grass binary for platform: Compiled from Sources
GRASS Version: 5.3.0 (15 May 2004)


d.paint.labels does not use the second word in a two-word reference point name.
"upper right" is parsed just as "upper", "lower left" is parsed as "lower" and
so on.  The problem is caused in the do_labels function when the input line containing
the reference point data is scanned using the format string "%*s %s".  Only the
first of the two words in the reference point name is scanned.

If d.paint.labels uses other two-word data strings then those strings will probably
also be scanned incorrectly.  ps.map scans the same input line correctly.

I modified my copy by:

  1) replacing the sscanf call in do_labels with a function that returned a pointer
to the data in the input line or NULL if the data weren't found 

  2) passing that pointer to the scan_ref function

  3) I also modified scan_ref do detect a NULL pointer in its input.


Roger Miller
Lee Wilson and Associates
Sat, Aug 20 2005 12:36:24    Mail sent by msieczka  
Does this problem exist in Grass 5.4 as well or 5.5 (only CVS)? If so, could
you send over a patch?

Please "Reply to all" so I get a copy!

Best,
Maciek
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