[Therion] Incorrectly Drawn Scraps

[Martin Sluka]

Problem from Carl:

Posted here http://mbug.dyndns.org/example/ are two thconfig files,  
one with the scraps and one without and the generated PDF files.  The  
shot B009-B010 for example looks fine in the just centerline export,  
but does not show up on the export from scraps (even though it has a  
scrap which looks correct).

Analysis from Stacho:

All scraps has identical coordinates of stations and in several cases  
neighboring scraps has identical distance between walls. Therion has  
one hidden feature - it tries to join scraps automatically if there  
is no command "join". And in some conditions the result is as in your  
example. Therion "thought" two neighboring scraps are of one passage.  
Stacho wrote me the shift of coordinates: for example 0-100, 1-101,  
2-102 should help.

The problem at the end is in Carl data. (comment m.s.) :)

A note:

Don't use visibility on/off
but
subtype invisible
subtype bedrock

You may not use smooth off when there is no one bezier curve in your  
data.

Correct data:

scrap example-11-18-th2
point 0 0 station -name B007
point 100 0 station -name B009
line wall -outline out -attr color "color col; col:=(.5,0,0);"
100  4.62962962962963
0  4.62962962962963
subtype invisible
0  -4.62962962962963
subtype bedrock
100  -4.62962962962963
endline
endscrap

scrap example-11-19-th2
point 1 0 station -name B009
point 101 0 station -name B010
line wall -outline out -attr color "color col; col:=(.5,0,0);"
101  4.62962962962963
1  4.62962962962963
subtype invisible
1  -4.62962962962963
subtype bedrock
101  -4.62962962962963
endline
endscrap

Several pictures illustrated the problem:

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