Hi again Radu,

checked out version 32771 and now its working fine for me too. Thanks!

Cheers,
Aitor

On Mon, Sep 20, 2010 at 5:07 AM, Radu Bogdan Rusu <rusu@willowgarage.com>wrote:

> Hmm, I think I fixed it. Aitor, Sabrina, would it be possible to try trunk
> (32769+)? If this works for you, then I will include it in the next release
> (0.3.1) as soon as you reply back.
>
> --
> Cheers,
> Radu.
>
>
>
> On 09/16/2010 11:14 AM, Aitor Aldomà wrote:
>
>> yes, I think so...Thanks.
>>
>> Cheers,
>> Aitor
>>
>> On Thu, Sep 16, 2010 at 5:13 PM, Radu Bogdan Rusu <rusu@willowgarage.com
>> <mailto:rusu@willowgarage.com>> wrote:
>>
>>    Aitor, Sabrina,
>>
>>    I'll try to fix this today. Your platforms are standard 32bit right?
>>
>>    Cheers,
>>    Radu.
>>
>>
>>    On 09/16/2010 07:04 AM, Aitor Aldomà wrote:
>>
>>        Hi Sabrina,
>>
>>        adding -DEIGEN_DONT_VECTORIZE didnt work for me either. Then I
>> found
>>        this document:
>>
>> http://eigen.tuxfamily.org/index.php?title=FAQ#I_disabled_vectorization.2C_but_I.27m_still_getting_annoyed_about_alignment_issues.21
>>
>>        Define EIGEN_DONT_ALIGN
>>        Or define both EIGEN_DONT_VECTORIZE and
>>        EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT
>>
>>        Tried all possible combinations but it didnt work :) I was still
>>        becoming the assertion. So, what I did in the end (not a very clean
>>        solution) was,
>>
>>        Added this to CMakeList.txt in pcl:
>>        add_definitions(-DEIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT
>>        -DEIGEN_DONT_VECTORIZE)
>>        add_definitions(-DEIGEN_DONT_ALIGN)
>>
>>        and finally comment the line in MapBase.h giving the assertion.
>>        //ei_assert(EIGEN_IMPLIES(ei_traits<Derived>::Flags&AlignedBit,
>>        (size_t(m_data)&0xf)==0)
>>          // && "data is not aligned");
>>
>>        and remake PCL...
>>
>>        No idea which side effects this might have but its working fine
>> now.
>>        Anyway, just a temporal dirty solution.
>>
>>        Hope it works for you too.
>>        Regards
>>
>>        Aitor
>>
>>        On Thu, Sep 16, 2010 at 12:40 PM, Sabrina Kliegl
>>        <skliegl@get.upb.de <mailto:skliegl@get.upb.de>
>>        <mailto:skliegl@get.upb.de <mailto:skliegl@get.upb.de>>> wrote:
>>
>>            Hi Radu,
>>
>>            I am facing a similar problem as Aitor (I am using the
>>            tabletop_object_detector). Which CMakeLists.txt do I have to
>>        modify
>>            exactly?
>>
>>            I tried the CMakeLists.txt in pcl then "make clean" and
>>        "make", but
>>            still get
>>            the failed assertion.
>>
>>            Regards,
>>            Sabrina
>>
>>            Am Dienstag 14 September 2010 10:42:22 schrieb Radu Bogdan
>> Rusu:
>>         > Aitor,
>>         >
>>         > Thanks for the bug report. We're aware of the eigen 32-bit
>>         >  allocation/vectorization problems and are working on fixing
>>            these. In the
>>         >  meantime, you can enable EIGEN_DONT_VECTORIZE
>>            (-DEIGEN_DONT_VECTORIZE to
>>         >  add_definitions in CMakeLists.txt), which will fix these issues
>>            on 32bit
>>         >  architectures.
>>         >
>>         > Cheers,
>>         > Radu.
>>         >
>>         > On 09/14/2010 11:29 AM, Aitor Aldomà wrote:
>>         > > Hi everyone,
>>         > >
>>         > > was using the PCL to detect the dominant plane from a point
>>        cloud,
>>         > > similar to what is done in package tabletop_object_detector
>>        using
>>         > > SACSegmentation or SACSegmentationFromNormals and one
>> assertion
>>            fails:
>>         > >
>>         > >
>>
>>
>>  /home/aa/ros/stacks/point_cloud_perception/eigen3/include/Eigen/src/Core/
>>         > >MapBase.h:192: void Eigen::MapBase<Derived>::checkSanity()
>> const
>>            [with
>>         > > Derived = Eigen::Map<Eigen::Matrix<float, 4, 1, 0, 4, 1>, 1,
>>         > > Eigen::Stride<0, 0>
>>         > >
>>         > > >]: Assertion `(!(ei_traits<Derived>::Flags&AlignedBit) ||
>>         > >
>>         > > ((size_t(m_data)&0xf)==0)) && "data is not aligned"' failed.
>>         > >
>>         > > Tried the example from:
>>         > >
>>
>> http://www.ros.org/wiki/pcl/Tutorials/Planar%20model%20segmentation
>>         > >
>>         > > and the error persists but it does not occur always, just
>> every
>>            now and
>>         > > then :S I am testing on a 32-Bit Ubuntu operating system.
>>         > >
>>         > > Any idea? I would really appreciate it.
>>         > >
>>         > > Thanks in advance.
>>         > > Aitor
>>         > >
>>         > >
>>         > >
>>         > > _______________________________________________
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>>
>>
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>>         >
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>>
>>    --
>>
>>    | Radu Bogdan Rusu | http://rbrusu.com/
>>
>>
>>
>