[GRASS GIS] #36: v.generalize Assertion failed.

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[GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
#36: v.generalize Assertion failed.
---------------------+------------------------------------------------------
 Reporter:  marisn   |       Owner:  [hidden email]
     Type:  defect   |      Status:  new                      
 Priority:  major    |   Milestone:  6.4.0                    
Component:  default  |     Version:  svn-trunk                
 Keywords:           |  
---------------------+------------------------------------------------------
 {{{
 (gdb) run -r input=cont_4144@PERMANENT output=cont_4144_general type=line
 method=hermite threshold=3 look_ahead=7 reduction=50 slide=0.5
 angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0
 alpha=1.0 beta=1.0 iterations=1 layer=1 --overwrite
 Starting program: /home/maris/soft/grass_trunk/dist.x86_64-unknown-linux-
 gnu/bin/v.generalize -r input=cont_4144@PERMANENT output=cont_4144_general
 type=line method=hermite threshold=3 look_ahead=7 reduction=50 slide=0.5
 angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0
 alpha=1.0 beta=1.0 iterations=1 layer=1 --overwrite
 [Thread debugging using libthread_db enabled]
 [New Thread 0x2b33d27a2ce0 (LWP 16093)]
 WARNING: Vector map <cont_4144_general> already exists and will be
          overwritten
 Generalization (hermite)...
  100%
 Building topology for vector map <cont_4144_general>...
 Registering lines: v.generalize: index.c:157: RTreeInsertRect: Assertion
 `r->boundary[i] <= r->boundary[3+i]' failed.

 Program received signal SIGABRT, Aborted.
 [Switching to Thread 0x2b33d27a2ce0 (LWP 16093)]
 0x00002b33cf082b45 in raise () from /lib64/libc.so.6
 (gdb) bt
 #0  0x00002b33cf082b45 in raise () from /lib64/libc.so.6
 #1  0x00002b33cf0840e0 in abort () from /lib64/libc.so.6
 #2  0x00002b33cf07c07f in __assert_fail () from /lib64/libc.so.6
 #3  0x00002b33ce27df3e in RTreeInsertRect (R=<value optimized out>,
 Tid=<value optimized out>, Root=0x7fffddb5fa50, Level=0)
     at index.c:157
 #4  0x00002b33ce075559 in dig_spidx_add_line (Plus=0x7fffddb5f840,
 line=12, box=0x7fffddb5f5b0) at spindex.c:128
 #5  0x00002b33ce071561 in dig_add_line (plus=0x7fffddb5f840, type=2,
 Points=0x74ad50, offset=105753) at plus_line.c:133
 #6  0x00002b33cd177cab in Vect_build_nat (Map=0x7fffddb5f830, build=4,
 msgout=0x2b33cf391760) at build_nat.c:501
 #7  0x00002b33cd1767a3 in Vect_build_partial (Map=0x7fffddb5f830, build=4,
 msgout=0x2b33cf391760) at build.c:152
 #8  0x0000000000404e23 in main (argc=19, argv=0xfffffffe) at main.c:489
 }}}

 OS: OpenSuSE 10.3 64bit
 GRASS: svn-trunk rev. 29954

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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  new                      
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:           |    Keywords:                          
----------------------+-----------------------------------------------------
Comment (by wolf):

 The assert happens inside Vlib (the vector library). Could you please test
 v.build on a similar map, to see if it happens there too. Also can you
 provide a sample map where this problem occurs.

 Thank you,
 --Wolf

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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
In reply to this post by GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  new                      
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:           |    Keywords:                          
----------------------+-----------------------------------------------------
Comment (by marisn):

 1. Other vector modules run just fine (v.buid), also v.generalize runs
 just fine with other methods (i.e. method=douglas) => IMHO it's a problem
 within v.generalize;[[BR]]
 2. Location with "guity" map:
 http://www.gisnet.lv/ggmlinux/tomazio_modeli.tgz (2,6M)

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Re: [GRASS GIS] #36: v.generalize Assertion failed.

Daniel Bundala
In reply to this post by GRASS GIS
Hello,

I just checked it and it works fine for me. I tried it with the map
and command you sent and everything was ok. What version of GRASS do
you use? As I remember, there were a few problems with hermite
interpolation some time ago, but it should be fixed now. The problem
occured when a line in the map contained two consecutive points at the
same position. If this is the case then you can remove such points
with v.generalize itself (method=reduction threshold=eps) or with
v.clean

Daniel

On Feb 5, 2008 2:12 PM, GRASS GIS <[hidden email]> wrote:

> #36: v.generalize Assertion failed.
> ---------------------+------------------------------------------------------
>  Reporter:  marisn   |       Owner:  [hidden email]
>      Type:  defect   |      Status:  new
>  Priority:  major    |   Milestone:  6.4.0
> Component:  default  |     Version:  svn-trunk
>  Keywords:           |
> ---------------------+------------------------------------------------------
>  {{{
>  (gdb) run -r input=cont_4144@PERMANENT output=cont_4144_general type=line
>  method=hermite threshold=3 look_ahead=7 reduction=50 slide=0.5
>  angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0
>  alpha=1.0 beta=1.0 iterations=1 layer=1 --overwrite
>  Starting program: /home/maris/soft/grass_trunk/dist.x86_64-unknown-linux-
>  gnu/bin/v.generalize -r input=cont_4144@PERMANENT output=cont_4144_general
>  type=line method=hermite threshold=3 look_ahead=7 reduction=50 slide=0.5
>  angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0
>  alpha=1.0 beta=1.0 iterations=1 layer=1 --overwrite
>  [Thread debugging using libthread_db enabled]
>  [New Thread 0x2b33d27a2ce0 (LWP 16093)]
>  WARNING: Vector map <cont_4144_general> already exists and will be
>           overwritten
>  Generalization (hermite)...
>   100%
>  Building topology for vector map <cont_4144_general>...
>  Registering lines: v.generalize: index.c:157: RTreeInsertRect: Assertion
>  `r->boundary[i] <= r->boundary[3+i]' failed.
>
>  Program received signal SIGABRT, Aborted.
>  [Switching to Thread 0x2b33d27a2ce0 (LWP 16093)]
>  0x00002b33cf082b45 in raise () from /lib64/libc.so.6
>  (gdb) bt
>  #0  0x00002b33cf082b45 in raise () from /lib64/libc.so.6
>  #1  0x00002b33cf0840e0 in abort () from /lib64/libc.so.6
>  #2  0x00002b33cf07c07f in __assert_fail () from /lib64/libc.so.6
>  #3  0x00002b33ce27df3e in RTreeInsertRect (R=<value optimized out>,
>  Tid=<value optimized out>, Root=0x7fffddb5fa50, Level=0)
>      at index.c:157
>  #4  0x00002b33ce075559 in dig_spidx_add_line (Plus=0x7fffddb5f840,
>  line=12, box=0x7fffddb5f5b0) at spindex.c:128
>  #5  0x00002b33ce071561 in dig_add_line (plus=0x7fffddb5f840, type=2,
>  Points=0x74ad50, offset=105753) at plus_line.c:133
>  #6  0x00002b33cd177cab in Vect_build_nat (Map=0x7fffddb5f830, build=4,
>  msgout=0x2b33cf391760) at build_nat.c:501
>  #7  0x00002b33cd1767a3 in Vect_build_partial (Map=0x7fffddb5f830, build=4,
>  msgout=0x2b33cf391760) at build.c:152
>  #8  0x0000000000404e23 in main (argc=19, argv=0xfffffffe) at main.c:489
>  }}}
>
>  OS: OpenSuSE 10.3 64bit
>  GRASS: svn-trunk rev. 29954
>
> --
> Ticket URL: <http://trac.osgeo.org/grass/ticket/36>
> GRASS GIS <http://grass.osgeo.org>
> GRASS Geographic Information System (GRASS GIS) - http://grass.osgeo.org/
> _______________________________________________
> grass-dev mailing list
> [hidden email]
> http://lists.osgeo.org/mailman/listinfo/grass-dev
>
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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
In reply to this post by GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  new                      
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:           |    Keywords:                          
----------------------+-----------------------------------------------------
Comment (by martinl):

 Replying to [ticket:36 marisn]:
 {{{
 > (gdb) run -r input=cont_4144@PERMANENT output=cont_4144_general
 type=line method=hermite threshold=3 look_ahead=7 reduction=50 slide=0.5
 angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0
 alpha=1.0 beta=1.0 iterations=1 layer=1 --overwrite
 > Starting program: /home/maris/soft/grass_trunk/dist.x86_64-unknown-
 linux-gnu/bin/v.generalize -r input=cont_4144@PERMANENT
 output=cont_4144_general type=line method=hermite threshold=3 look_ahead=7
 reduction=50 slide=0.5 angle_thresh=3 degree_thresh=0 closeness_thresh=0
 betweeness_thresh=0 alpha=1.0 beta=1.0 iterations=1 layer=1 --overwrite
 > [Thread debugging using libthread_db enabled]
 > [New Thread 0x2b33d27a2ce0 (LWP 16093)]
 > WARNING: Vector map <cont_4144_general> already exists and will be
 >          overwritten
 > Generalization (hermite)...
 >  100%
 > Building topology for vector map <cont_4144_general>...
 > Registering lines: v.generalize: index.c:157: RTreeInsertRect: Assertion
 `r->boundary[i] <= r->boundary[3+i]' failed.
 >
 > Program received signal SIGABRT, Aborted.
 > [Switching to Thread 0x2b33d27a2ce0 (LWP 16093)]
 > 0x00002b33cf082b45 in raise () from /lib64/libc.so.6
 > (gdb) bt
 > #0  0x00002b33cf082b45 in raise () from /lib64/libc.so.6
 > #1  0x00002b33cf0840e0 in abort () from /lib64/libc.so.6
 > #2  0x00002b33cf07c07f in __assert_fail () from /lib64/libc.so.6
 > #3  0x00002b33ce27df3e in RTreeInsertRect (R=<value optimized out>,
 Tid=<value optimized out>, Root=0x7fffddb5fa50, Level=0)
 >     at index.c:157
 > #4  0x00002b33ce075559 in dig_spidx_add_line (Plus=0x7fffddb5f840,
 line=12, box=0x7fffddb5f5b0) at spindex.c:128
 > #5  0x00002b33ce071561 in dig_add_line (plus=0x7fffddb5f840, type=2,
 Points=0x74ad50, offset=105753) at plus_line.c:133
 > #6  0x00002b33cd177cab in Vect_build_nat (Map=0x7fffddb5f830, build=4,
 msgout=0x2b33cf391760) at build_nat.c:501
 > #7  0x00002b33cd1767a3 in Vect_build_partial (Map=0x7fffddb5f830,
 build=4, msgout=0x2b33cf391760) at build.c:152
 > #8  0x0000000000404e23 in main (argc=19, argv=0xfffffffe) at main.c:489
 }}}

 From ML by Daniel Bundala:

 I just checked it and it works fine for me. I tried it with the map
 and command you sent and everything was ok. What version of GRASS do
 you use? As I remember, there were a few problems with hermite
 interpolation some time ago, but it should be fixed now. The problem
 occured when a line in the map contained two consecutive points at the
 same position. If this is the case then you can remove such points
 with v.generalize itself (method=reduction threshold=eps) or with
 v.clean

 Daniel

 ---

 On my machine (Debian GNU/Linux, 32bit, grass-svn) I get the same error

 {{{
 Registering lines: v.generalize: index.c:157: RTreeInsertRect: Assertion
 `r->boundary[i] <= r->boundary[3+i]' failed.
 }}}

 Martin

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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
In reply to this post by GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  new                      
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:           |    Keywords:                          
----------------------+-----------------------------------------------------
Comment (by martinl):

 > On my machine (Debian GNU/Linux, 32bit, grass-svn) I get the same error
 >
 {{{
 > Registering lines: v.generalize: index.c:157: RTreeInsertRect: Assertion
 `r->boundary[i] <= r->boundary[3+i]' failed.
 }}}

 sorry, I forgot to add debug output

 {{{
 D3/5: Register node 391690.000000,392030.000000
 D3/5: dig_find_node()
 D3/5: node = 0
 D3/5: dig_add_node(): n_nodes = 11, alloc_nodes = 1000
 D3/5: dig_spidx_add_node(): node = 12, x,y,z = 391690.000000,
 392030.000000, 0.000000
 D3/5: new node = 12, n_nodes = 12, alloc_nodes = 1000
 D3/5: Add new node: 12
 D3/5: dig_node_add_line(): node = 12 line = -12
 D3/5: dig_node_alloc_line(): add = 1
 D5/5: dig_line_degenerate()
 D3/5:     angle = nan
 D3/5: dig_node_add_line(): line -12 added position 1 n_lines: 1 angle nan
 D3/5: dig_spidx_add_line(): line = 12
 v.generalize: index.c:157: RTreeInsertRect: Assertion `r->boundary[i] <=
 r->boundary[3+i]' failed.
 Aborted
 }}}

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Re: Re: [GRASS GIS] #36: v.generalize Assertion failed.

Daniel Bundala
Hello,

Finally, I had some time to look at it carefully. It seems to me that
the problem is the same as the one I mentioned earlier. I made a patch
some time ago, but for some obscure reasons, it did not propagate to
the SVN. I think that the patch should fix it as it is the only
difference between the version in SVN and on my computer.

Daniel

PS: I am not a big expert on CVS/SVN so the patch may be little out of date.....

Index: smoothing.c
===================================================================
RCS file: /home/grass/grassrepository/grass6/vector/v.generalize/smoothing.c,v
retrieving revision 1.2
diff -u -r1.2 smoothing.c
--- smoothing.c 3 Nov 2007 13:10:57 -0000 1.2
+++ smoothing.c 16 Dec 2007 18:35:00 -0000
@@ -258,7 +258,12 @@
 void refine_tangent(POINT * p)
 {
     double l = point_dist2(*p);
-    point_scalar(*p, (double)1.0 / sqrt(sqrt(sqrt(l))), p);
+    if (l < 1e-12) {
+ point_scalar(*p, 0.0, p);
+    }
+    else {
+ point_scalar(*p, (double)1.0 / sqrt(sqrt(sqrt(l))), p);
+    }
     return;
 }

@@ -281,7 +286,7 @@

     /* line is too short */
     if (n <= 2) {
- return 1;
+ return n;
     }

     /* convert degrees=>radians */

On Feb 5, 2008 5:49 PM, GRASS GIS <[hidden email]> wrote:

> #36: v.generalize Assertion failed.
> ----------------------+-----------------------------------------------------
>   Reporter:  marisn   |       Owner:  [hidden email]
>       Type:  defect   |      Status:  new
>   Priority:  major    |   Milestone:  6.4.0
>  Component:  default  |     Version:  svn-trunk
> Resolution:           |    Keywords:
> ----------------------+-----------------------------------------------------
> Comment (by martinl):
>
>  > On my machine (Debian GNU/Linux, 32bit, grass-svn) I get the same error
>  >
>  {{{
>  > Registering lines: v.generalize: index.c:157: RTreeInsertRect: Assertion
>  `r->boundary[i] <= r->boundary[3+i]' failed.
>  }}}
>
>  sorry, I forgot to add debug output
>
>  {{{
>  D3/5: Register node 391690.000000,392030.000000
>  D3/5: dig_find_node()
>  D3/5: node = 0
>  D3/5: dig_add_node(): n_nodes = 11, alloc_nodes = 1000
>  D3/5: dig_spidx_add_node(): node = 12, x,y,z = 391690.000000,
>  392030.000000, 0.000000
>  D3/5: new node = 12, n_nodes = 12, alloc_nodes = 1000
>  D3/5: Add new node: 12
>  D3/5: dig_node_add_line(): node = 12 line = -12
>  D3/5: dig_node_alloc_line(): add = 1
>  D5/5: dig_line_degenerate()
>  D3/5:     angle = nan
>  D3/5: dig_node_add_line(): line -12 added position 1 n_lines: 1 angle nan
>  D3/5: dig_spidx_add_line(): line = 12
>  v.generalize: index.c:157: RTreeInsertRect: Assertion `r->boundary[i] <=
>  r->boundary[3+i]' failed.
>  Aborted
>  }}}
>
> --
> Ticket URL: <http://trac.osgeo.org/grass/ticket/36#comment:4>
>
> GRASS GIS <http://grass.osgeo.org>
> GRASS Geographic Information System (GRASS GIS) - http://grass.osgeo.org/
> _______________________________________________
> grass-dev mailing list
> [hidden email]
> http://lists.osgeo.org/mailman/listinfo/grass-dev
>
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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
In reply to this post by GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  new                      
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:           |    Keywords:                          
----------------------+-----------------------------------------------------
Comment (by hamish):

 Daniel Bundala wrote on grass-dev:
 > Hello,
 >
 > Finally, I had some time to look at it carefully. It seems to me that
 > the problem is the same as the one I mentioned earlier. I made a patch
 > some time ago, but for some obscure reasons, it did not propagate to
 > the SVN. I think that the patch should fix it as it is the only
 > difference between the version in SVN and on my computer.
 >
 > Daniel
 >
 > PS: I am not a big expert on CVS/SVN so the patch may be little out of
 > date.....


 The patch applied fine, now in SVN/trunk (r30050) and 6.3 release branch
 (r30051). It still needs testing.


 Should it use GRASS_EPSILON from include/gis.h instead of hardcoded 1e-12
 ?


 just do:
 {{{
 $ svn up vector/v.generalize
 # make changes
 $ vi vector/v.generalize/smoothing.c
 # check it
 $ svn diff vector/v.generalize
 $ svn diff vector/v.generalize > v.gen_fix.diff
 }}}

 "svn up" after changes should try and merge in any new updates which don't
 directly conflict.


 Hamish

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Re: Re: [GRASS GIS] #36: v.generalize Assertion failed.

Daniel Bundala
Yes, it should use GRASS_EPSILON. Can someone please change it? And as
far as I remember, there is one more hard-coded constant just a few
lines belows.
Thanks

Daniel

On Feb 10, 2008 9:10 AM, GRASS GIS <[hidden email]> wrote:

> #36: v.generalize Assertion failed.
> ----------------------+-----------------------------------------------------
>   Reporter:  marisn   |       Owner:  [hidden email]
>       Type:  defect   |      Status:  new
>   Priority:  major    |   Milestone:  6.4.0
>  Component:  default  |     Version:  svn-trunk
> Resolution:           |    Keywords:
> ----------------------+-----------------------------------------------------
> Comment (by hamish):
>
>  Daniel Bundala wrote on grass-dev:
>  > Hello,
>  >
>  > Finally, I had some time to look at it carefully. It seems to me that
>  > the problem is the same as the one I mentioned earlier. I made a patch
>  > some time ago, but for some obscure reasons, it did not propagate to
>  > the SVN. I think that the patch should fix it as it is the only
>  > difference between the version in SVN and on my computer.
>  >
>  > Daniel
>  >
>  > PS: I am not a big expert on CVS/SVN so the patch may be little out of
>  > date.....
>
>
>  The patch applied fine, now in SVN/trunk (r30050) and 6.3 release branch
>  (r30051). It still needs testing.
>
>
>  Should it use GRASS_EPSILON from include/gis.h instead of hardcoded 1e-12
>  ?
>
>
>  just do:
>  {{{
>  $ svn up vector/v.generalize
>  # make changes
>  $ vi vector/v.generalize/smoothing.c
>  # check it
>  $ svn diff vector/v.generalize
>  $ svn diff vector/v.generalize > v.gen_fix.diff
>  }}}
>
>  "svn up" after changes should try and merge in any new updates which don't
>  directly conflict.
>
>
>  Hamish
>
> --
> Ticket URL: <http://trac.osgeo.org/grass/ticket/36#comment:5>
>
> GRASS GIS <http://grass.osgeo.org>
> GRASS Geographic Information System (GRASS GIS) - http://grass.osgeo.org/
> _______________________________________________
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> [hidden email]
> http://lists.osgeo.org/mailman/listinfo/grass-dev
>
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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
In reply to this post by GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  new                      
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:           |    Keywords:                          
----------------------+-----------------------------------------------------
Comment (by neteler):

 Done:

 http://trac.osgeo.org/grass/changeset/30055

 I also fixed that no exit() needed after G_fatal_error().
 The second constant I didn't find, though.
 Please tell us the line number:
 http://trac.osgeo.org/grass/browser/grass/trunk/vector/v.generalize/smoothing.c

 Markus

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Ticket URL: <http://trac.osgeo.org/grass/ticket/36#comment:6>
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Re: [GRASS GIS] #36: v.generalize Assertion failed.

GRASS GIS
In reply to this post by GRASS GIS
#36: v.generalize Assertion failed.
----------------------+-----------------------------------------------------
  Reporter:  marisn   |       Owner:  [hidden email]
      Type:  defect   |      Status:  closed                  
  Priority:  major    |   Milestone:  6.4.0                    
 Component:  default  |     Version:  svn-trunk                
Resolution:  fixed    |    Keywords:                          
----------------------+-----------------------------------------------------
Changes (by marisn):

  * status:  new => closed
  * resolution:  => fixed

Comment:

 Seems to be fixed now. No crash here anymore :)

--
Ticket URL: <http://trac.osgeo.org/grass/ticket/36#comment:7>
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Re: Re: [GRASS GIS] #36: v.generalize Assertion failed.

Daniel Bundala
In reply to this post by GRASS GIS
Thanks,

Line is 317. Very end of if-statement

Daniel

On Feb 10, 2008 3:55 PM, GRASS GIS <[hidden email]> wrote:

> #36: v.generalize Assertion failed.
> ----------------------+-----------------------------------------------------
>   Reporter:  marisn   |       Owner:  [hidden email]
>       Type:  defect   |      Status:  new
>   Priority:  major    |   Milestone:  6.4.0
>  Component:  default  |     Version:  svn-trunk
> Resolution:           |    Keywords:
> ----------------------+-----------------------------------------------------
> Comment (by neteler):
>
>  Done:
>
>  http://trac.osgeo.org/grass/changeset/30055
>
>  I also fixed that no exit() needed after G_fatal_error().
>  The second constant I didn't find, though.
>  Please tell us the line number:
>  http://trac.osgeo.org/grass/browser/grass/trunk/vector/v.generalize/smoothing.c
>
>  Markus
>
> --
> Ticket URL: <http://trac.osgeo.org/grass/ticket/36#comment:6>
>
> GRASS GIS <http://grass.osgeo.org>
> GRASS Geographic Information System (GRASS GIS) - http://grass.osgeo.org/
> _______________________________________________
> grass-dev mailing list
> [hidden email]
> http://lists.osgeo.org/mailman/listinfo/grass-dev
>
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Re: Re: [GRASS GIS] #36: v.generalize Assertion failed.

hamish-2
> > #36: v.generalize Assertion failed.
[GRASS_EPSILON]

Daniel Bundala wrote:

> Thanks,
>
> Line is 317. Very end of if-statement

How about the one on smoothing.c line 169?


Hamish



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Re: Re: [GRASS GIS] #36: v.generalize Assertion failed.

Markus Neteler
On Feb 10, 2008 8:03 PM, Hamish <[hidden email]> wrote:

> > > #36: v.generalize Assertion failed.
> [GRASS_EPSILON]
>
> Daniel Bundala wrote:
>
> > Thanks,
> >
> > Line is 317. Very end of if-statement
>
> How about the one on smoothing.c line 169?

Fixed.

Markus
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