Hi all!

I am posting in this thread because I am having a similar issue (itk::ERROR: 
LabelObjectToPolygonFunctor(0x7fff1701bc00): End point not with +/-1 line 
from line)

I am doing this:

Segmenting an image, transforming it to label map, calculating so 
attributes, transforming to vector data
THIS WORKS and I can save a .shp of the vectordata with projection 
reference set and everything ok (I open it in QGIS and it superimpose on my 
image with no problem).

Now: If I OPEN .shp, Transform it to label map (in order to do SVM LabelMap 
classification) and transform it to vector data: ERROR
It does not matter if I do LabelMapToVectorData before or after 
SVMClassification... I get itk::ERROR: 
LabelObjectToPolygonFunctor(0x7fff1701bc00): 
End point not with +/-1 line from line

Is there a fundamental different between the works of VectorDataToLabelMap 
and LabelMapToVectorData to account for this??? I would expect the process 
to be perfectly bidirectionnal.

Just to test, I did this: VectorDataToLabelMap, LabelMapToAttributeImage 
and saving the Attribute image and opening it in QGIS: all is ok.

Any help/hint would really be appreciated!

Thanks

DD

On Friday, 9 May 2014 05:42:23 UTC-4, Bruno Belarte wrote:
>
> Hi,
>
> I thought that maybe the rasterization could be problematic (8-connexion, 
> ...) so I tried to apply a segmentation algorithm to the rasterized image. 
> After the two commands that I used previously :
> otbcli_ExtractROI -in 20120814_ZE_FUS_sudest_24bitscolor.img -out 
> crop_0_0.tif -startx 0 -starty 0 -sizex 1701 -sizey 1782
> otbcli_Rasterization -in MR_160sh5.shp -out test2.tif -im crop_0_0.tif 
> -mode attribute -mode.attribute.field "ID"
>
> I used the command :
> otbcli_LSMSSegmentation -in test2.tif -out test_seg.tif uint32 -ranger 0.1 
> -spatialr 1
> in order to split regions that could be ill defined in the rasterized 
> image. This actually works, I don't have the problem 
> with otbLabelObjectToPolygonFunctor anymore.
>
> Does anyone has an idea of what could be wrong with the rasterization step 
> ?
>
> Best regards, 
>
> Bruno
>
> Le vendredi 9 mai 2014 08:17:20 UTC+2, Bruno Belarte a écrit :
>>
>> Hi,
>>
>> Thank you anyway Rashad!
>> I will do more tests to try to find what is wrong with my piece of code.
>>
>> Best regards,
>>
>> Bruno
>>
>> Le mercredi 7 mai 2014 11:40:43 UTC+2, Rashad a écrit :
>>>
>>> Hi,
>>>
>>> Compiling your code gives me the same error but I dont have any solution 
>>> for now. Maybe someone in the list will have some information.
>>>
>>> On Wed, May 7, 2014 at 9:32 AM, Bruno Belarte <[email protected]> 
>>> wrote:
>>>
>>>> I forgot to mention: I'm on ubuntu 12.04, with OTB 4.0, gdal 1.10
>>>>
>>>> Le mercredi 7 mai 2014 09:19:26 UTC+2, Bruno Belarte a écrit :
>>>>
>>>>> Hi,
>>>>>
>>>>> Here is a minimal code that reproduce the error. 
>>>>>
>>>>> The exact commands I typed for my testings are following:
>>>>> otbcli_ExtractROI -in 20120814_ZE_FUS_sudest_24bitscolor.img -out 
>>>>> crop_0_0.tif -startx 0 -starty 0 -sizex 1701 -sizey 1782
>>>>> otbcli_Rasterization -in MR_160sh5.shp -out test2.tif -im crop_0_0.tif 
>>>>> -mode attribute -mode.attribute.field "ID"
>>>>>
>>>>> Where 20120814_ZE_FUS_sudest_24bitscolor.img is a Pleiades image 
>>>>> and MR_160sh5.shp is one of the two shapefiles. Both shapefiles and the 
>>>>> image were produced by colleagues, I can ask them about how they did the 
>>>>> segmentations.
>>>>>
>>>>> I also tried to do the same processes with ogr/gdal, the commands are:
>>>>> ogr2ogr -clipsrc 1050016 6847483 1050116 6847583 extract.shp 
>>>>> sertit_classification_2012_ZoneSE.shp
>>>>> gdal_rasterize -a ID -te 1050016 6847483 1050116 6847583 -ts 200 200 
>>>>> -ot Uint32 sertit_classification_2012_ZoneSE.shp crop.tif
>>>>> Coordinates are given in the same projection as the input image, and 
>>>>> the results are consistent in both Monteverdi and QGIS.
>>>>>
>>>>> Le mardi 6 mai 2014 20:29:43 UTC+2, Rashad a écrit :
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, May 6, 2014 at 3:03 AM, Bruno Belarte <[email protected]> 
>>>>>> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> Here is a short extract of one of the shapefiles. I tested it again 
>>>>>>> with my code and it still failed with the error itk::ERROR: 
>>>>>>> LabelObjectToPolygonFunctor(0x7fff1701bc00): End point not with 
>>>>>>> +/-1 line from line
>>>>>>>
>>>>>>> I am not able to reproduce this error. Could you post a more 
>>>>>> complete code.?
>>>>>> and the exact command line you used for:
>>>>>> rasterization
>>>>>> segmentaion
>>>>>>  
>>>>>>
>>>>>>> Le vendredi 2 mai 2014 19:12:01 UTC+2, Rashad a écrit :
>>>>>>>>
>>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> On Fri, May 2, 2014 at 8:51 AM, Bruno Belarte <[email protected]> 
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hi everyone,
>>>>>>>>>
>>>>>>>>> I have a piece of code that behaves differently with differents 
>>>>>>>>> segmentations. The problematic piece of code can be found here: 
>>>>>>>>> http://pastebin.com/Gfa9TdPb
>>>>>>>>>
>>>>>>>>> Segmentation 1: LabelImage generated  with the large scale 
>>>>>>>>> meanshift framework from a Pleiades image (pan-ms fusion)
>>>>>>>>> Segmentation 2 and 3: two LabelImage generated with the 
>>>>>>>>> otbcli_Rasterization application from two different shapefiles
>>>>>>>>>
>>>>>>>>>
>>>>>>>> Is it possible for you to provide your data to test?. shapefiles 
>>>>>>>> would be fine.
>>>>>>>>  
>>>>>>>>
>>>>>>>>>  With segmentation 1 everything works fine: the LabelMap and the 
>>>>>>>>> corresponding polygons are computed and can be used further in the 
>>>>>>>>> code.
>>>>>>>>> With segmentation 2 and 3 the code failed at line 19 with the 
>>>>>>>>> following error:
>>>>>>>>> /home/belarte/OTB/src/OTB/Utilities/ITK/Modules/Core/Common/
>>>>>>>>> src/itkMultiThreader.cxx:359:
>>>>>>>>> itk::ERROR: MultiThreader(0x1cdcf90): Exception occurred during 
>>>>>>>>> SingleMethodExecute
>>>>>>>>> /home/belarte/OTB/src/OTB/Code/OBIA/otbLabelObjectToPolygonFunctor
>>>>>>>>> .txx:559:
>>>>>>>>> itk::ERROR: LabelObjectToPolygonFunctor(0x7fff1701bc00): End 
>>>>>>>>> point not with +/-1 line from line
>>>>>>>>>
>>>>>>>>> The program crashes while computing the polygons from the 
>>>>>>>>> LabelImage. My guess was that some of the polygons in the shapefile 
>>>>>>>>> were 
>>>>>>>>> problematic, so I tried to simplify the polygons with the ogr2ogr 
>>>>>>>>> application with different *simplify* parameters (0.001 0.01 0.1 
>>>>>>>>> 0.5 and 0.75) and then use the rasterization application but it did 
>>>>>>>>> not 
>>>>>>>>> change the result. I also try to use the 
>>>>>>>>> otbcli_LSMSSmallRegionsMerging 
>>>>>>>>> with different mininmum region sizes (10 15 20 100 and 1000) after 
>>>>>>>>> the 
>>>>>>>>> rasterization, but again no changes.
>>>>>>>>>
>>>>>>>>> Does someone have an idea of what could be the problem here?
>>>>>>>>>
>>>>>>>>> Thanks for your help,
>>>>>>>>>
>>>>>>>>> Bruno
>>>>>>>>>
>>>>>>>>> -- 
>>>>>>>>> -- 
>>>>>>>>> Check the OTB FAQ at
>>>>>>>>> http://www.orfeo-toolbox.org/FAQ.html
>>>>>>>>>  
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>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> -- 
>>>>>>>> Regards,
>>>>>>>>    Rashad
>>>>>>>>  
>>>>>>>  -- 
>>>>>>> -- 
>>>>>>> Check the OTB FAQ at
>>>>>>> http://www.orfeo-toolbox.org/FAQ.html
>>>>>>>  
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>>>>>>
>>>>>>
>>>>>>
>>>>>> -- 
>>>>>> Regards,
>>>>>>    Rashad
>>>>>>  
>>>>>  -- 
>>>> -- 
>>>> Check the OTB FAQ at
>>>> http://www.orfeo-toolbox.org/FAQ.html
>>>>  
>>>> You received this message because you are subscribed to the Google
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>>>
>>>
>>>
>>> -- 
>>> Regards,
>>>    Rashad
>>>  
>>

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