[GRASS5] Re: [bug #3017] (grass) v.clean segfault

[Radim Blazek]

I fixed that, however:
1) bpol should be used as first cleaning tool, it does the same as 
break, but it is faster on clean (identical boundaries) polygons
2) bpol works only with type=boundary, the same break,rmdupl etc.


Radim

Maciek Sieczka wrote:
>> Try to select the features causing segfault (repeated select half)
> 
> 
> Guilty is tool=bpol.
> 
>> and send it to me.
> 
> 
> Please always specify your email. That makes replaying simplier as 
> "Radim Blazek via RT <grass-bugs at intevation.de>" is a black hole.
> 
> Maciek
> 
> P.S.
> Thank you for taking care of this! (Although I'm aware you don't 
> appreciate such "thank yous" too much ;)).
> 
>> Radim
>>
>> Request Tracker wrote:
>>
>>> this bug's URL: http://intevation.de/rt/webrt?serial_num=3017
>>> ------------------------------------------------------------------------- 
>>>
>>>
>>> Subject: v.clean segfault
>>>
>>> Platform: GNU/Linux/i386
>>> grass obtained from: Trento Italy site
>>> grass binary for platform: Compiled from Sources
>>> GRASS Version: grass-6.0.cvs_src_snapshot_2005_02_12
>>>
>>> I encounter a segfault with one particular dataset with the following 
>>> options:
>>>
>>> GRASS 6.0.cvs:~ > v.clean input=i output=j type=area err=j_err 
>>> tool=break,rmdupl,rmdac,bpol,rmarea
>>> +---------------------------------+---------------+
>>> | Tool                            | Threshold     |
>>> +---------------------------------+---------------+
>>> | Break                            | 0.000000e+00 |
>>> | Remove duplicates                | 0.000000e+00 |
>>> | Remove duplicate area centroids  | 0.000000e+00 |
>>> | Break polygons                   | 0.000000e+00 |
>>> | Remove small areas               | 0.000000e+00 |
>>> +---------------------------------+---------------+
>>> Copying vector lines ...
>>> --------------------------------------------------
>>> Rebuilding parts of topology ...
>>> Building topology ...
>>> 407 primitives registered
>>> Topology was built.
>>> Number of nodes     :   329
>>> Number of primitives:   407
>>> Number of points    :   0
>>> Number of lines     :   0
>>> Number of boundaries:   307
>>> Number of centroids :   100
>>> Number of areas     :   -
>>> Number of isles     :   -
>>> --------------------------------------------------
>>> Tool: Break lines at intersections
>>> Intersections:     0
>>> --------------------------------------------------
>>> Tool: Remove duplicates
>>> Duplicates:     0
>>> --------------------------------------------------
>>> Rebuilding parts of topology ...
>>> Building topology ...
>>> Building areas:  100%
>>> 100 areas built
>>> 22 isles built
>>> Attaching islands:  100%
>>> Attaching centroids:  100%
>>> Topology was built.
>>> Number of nodes     :   329
>>> Number of primitives:   407
>>> Number of points    :   0
>>> Number of lines     :   0
>>> Number of boundaries:   307
>>> Number of centroids :   100
>>> Number of areas     :   100
>>> Number of isles     :   22
>>> --------------------------------------------------
>>> Tool: Remove duplicate area centroids
>>> Duplicate area centroids:     0
>>> --------------------------------------------------
>>> Tool: Break polygons
>>> Registering points ... 0
>>> All points (vertices):     0
>>> Registered points (unique coordinates):     0
>>> Points marked for break:     0
>>> Breaks:     0Segmentation fault
>>>
>>> Maciek
>>>
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>>>
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>>> grass5 mailing list
>>> grass5 at grass.itc.it
>>> http://grass.itc.it/mailman/listinfo/grass5
>>
>>
>>
>> --- Headers Follow ---
>>
>>> From blazek at itc.it  Mon Feb 21 08:40:10 2005
>>
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>> Date: Mon, 21 Feb 2005 08:40:04 +0100
>> From: Radim Blazek <blazek at itc.it>
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>> To: Request Tracker <grass-bugs at intevation.de>
>> Subject: Re: [GRASS5] [bug #3017] (grass) v.clean segfault
>> References: <20050219130424.66CF2102C28 at lists.intevation.de>
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