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Re: [ggt-devel] problems using GMTL
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From: Kevin M. <ke...@su...> - 2008-06-01 20:29:54
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*check your compiler version.
*
I have
g++ (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
compiling your 3rd example, I get this error:
main.cpp: In function `int main()':
main.cpp:13: error: no match for 'operator*' in 'myVec * myAA'
main.cpp:14: error: no match for 'operator*' in 'myVec * myQuat'
main.cpp:15: error: no match for 'operator*' in 'myVec * myMat'
main.cpp:16: error: no match for 'operator*' in 'myVec * myEuler'
which makes sense, since there are no functions for that.
Swapping the args, I still get 2 errors:
main.cpp: In function `int main()':
main.cpp:13: error: no match for 'operator*' in 'myAA * myVec'
main.cpp:16: error: no match for 'operator*' in 'myEuler * myVec'
which makes sense, since we don't have functions for AA * vec, or euler *
vec (you should use matrix or quaternion...)
here's my main.cpp so that you can try it on your compiler.
#include <gmtl/gmtl.h>
int main()
{
gmtl::Vec3f myVec;
gmtl::AxisAnglef myAA;
gmtl::Quatf myQuat;
gmtl::Matrix44f myMat;
gmtl::EulerAngleXYZf myEuler;
myVec = myAA * myVec ;
myVec = myQuat * myVec ;
myVec = myMat * myVec ;
myVec = myEuler * myVec ;
return 0;
}
On Sun, Jun 1, 2008 at 1:08 PM, Wouter Wognum <wo...@xs...> wrote:
> that didn't help :(
>
> ----- Original Message -----
> *From:* Kevin Meinert <ke...@su...>
> *To:* ggt...@li...
> *Sent:* Sunday, June 01, 2008 9:17 PM
> *Subject:* Re: [ggt-devel] problems using GMTL
>
>
> what happens when you reverse your arguments?
>
> gmtl::Vec3f myVec;
> gmtl::AxisAnglef myAA;
> gmtl::Quatf myQuat;
> gmtl::Matrix44f myMat;
> gmtl::EulerAngleXYZf myEuler;
>
> myVec = myAA * myVec ;
> myVec = myQuat * myVec ;
> myVec = myMat * myVec ;
> myVec = myEuler * myVec ;
>
>
>
>
> I don't think it works to have the vec on the left hand side... but i could
> be wrong, i haven't used this library in a few years... :)
>
>
> On Sun, Jun 1, 2008 at 11:13 AM, Wouter Wognum <wo...@xs...> wrote:
>
>> Hello there,
>>
>> I am trying to use GMTL in my application,
>> but I am running into a lot of problems.
>> A lot of the examples in the FAQ do not seem to work.
>> I include gmtl.h, so that should cover everything, right?
>>
>> Ok, so, where to start. First of all; extracting rotation/translation
>> information from a matrix doesn't work properly.
>>
>> The FAQ states:
>>
>> "You can extract the rotational data as any of GMTL's rotation data types.
>> In any case, you need to use the makeRot templated function. Note that you
>> need to specify which rotation data type you want to extract."
>>
>> followed by four examples.
>>
>> Two of these examples do not work; extracting the rotation in euler angles
>> or quaternions works, but trying to get axis angles or a matrix fails.
>>
>>
>> myAxisAngle = gmtl::makeRot< gmtl::AxisAnglef >( mymat )
>>
>>
>> results in 19 errors on that line.
>>
>> Error 1 error C2784: 'gmtl::Coord<POS_TYPE,ROT_TYPE>
>> &gmtl::set(gmtl::Coord<POS_TYPE,ROT_TYPE> &,const
>> gmtl::Matrix<DATATYPE,MATROWS,MATCOLS> &)' : could not deduce template
>> argument for 'gmtl::Coord<POS_TYPE,ROT_TYPE> &' from 'gmtl::AxisAnglef'
>> C:\Program Files\VR Juggler 2.2.0\include\gmtl\Generate.h 1323
>> Error 2 error C2784: 'gmtl::Coord<POS_TYPE,ROT_TYPE>
>> &gmtl::set(gmtl::Coord<POS_TYPE,ROT_TYPE> &,const
>> gmtl::Matrix<DATATYPE,MATROWS,MATCOLS> &)' : could not deduce template
>> argument for 'gmtl::Coord<POS_TYPE,ROT_TYPE> &' from 'gmtl::AxisAnglef'
>> C:\Program Files\VR Juggler 2.2.0\include\gmtl\Generate.h 1323
>> Error 3 error C2784: 'gmtl::Matrix<DATA_TYPE,ROWS,COLS>
>> &gmtl::set(gmtl::Matrix<DATA_TYPE,ROWS,COLS> &,const gmtl::Quat<DATA_TYPE>
>> &)' : could not deduce template argument for
>> 'gmtl::Matrix<DATA_TYPE,ROWS,COLS> &' from 'gmtl::AxisAnglef' C:\Program
>> Files\VR Juggler 2.2.0\include\gmtl\Generate.h 1323
>> ...and so on...
>>
>>
>> myRotationMat = gmtl::makeRot< gmtl::Matrix44f >( mymat );
>>
>> results in similar errors
>>
>>
>>
>> Secondly, the makeTrans function works for Point3f and Vec3f, but not for
>> Matrix44f. The following code:
>>
>> gmtl::Matrix44f matrix1;
>> gmtl::Matrix44f matrix2;
>> matrix2 = gmtl::makeTrans< gmtl::Matrix44f >( matrix1 );
>>
>> results in the following errors:
>>
>> Error 1 error C2039: 'Size' : is not a member of
>> 'gmtl::Matrix<DATA_TYPE,ROWS,COLS>' C:\Program Files\VR Juggler
>> 2.2.0\include\gmtl\Generate.h 122
>> Error 2 error C2065: 'Size' : undeclared identifier C:\Program Files\VR
>> Juggler 2.2.0\include\gmtl\Generate.h 122
>> Error 3 error C2039: 'Size' : is not a member of
>> 'gmtl::Matrix<DATA_TYPE,ROWS,COLS>' C:\Program Files\VR Juggler
>> 2.2.0\include\gmtl\Generate.h 123
>> Error 4 error C2039: 'Size' : is not a member of
>> 'gmtl::Matrix<DATA_TYPE,ROWS,COLS>' C:\Program Files\VR Juggler
>> 2.2.0\include\gmtl\Generate.h 125
>> Error 5 error C2679: binary '=' : no operator found which takes a
>> right-hand operand of type 'const float' (or there is no acceptable
>> conversion) C:\Program Files\VR Juggler 2.2.0\include\gmtl\Generate.h 134
>>
>> The 3rd problem I encountered is the rotating of vectors.
>> The FAQ says:
>> "In most cases you can simply use the * operator with your vector and one
>> of the rotaional data types."
>>
>> So I tried that, with the provided sample code:
>>
>> gmtl::Vec3f myVec;
>> gmtl::AxisAnglef myAA;
>> gmtl::Quatf myQuat;
>> gmtl::Matrix44f myMat;
>> gmtl::EulerAngleXYZf myEuler;
>>
>> myVec = myVec * myAA;
>> myVec = myVec * myQuat;
>> myVec = myVec * myMat;
>> myVec = myVec * myEuler;
>>
>>
>> This results in >100 errors, all of type C2784 ("could not deduce template
>> argument for....")
>>
>>
>> I'm clueless here, I am trying to use the GMTL library for basic math
>> operations, but just about everything I try to do, fails.
>>
>> Can someone help me out?
>>
>>
>> - Wouter
>>
>>
>>
>>
>>
>>
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>>
>
>
> --
> kevin meinert | http://www.subatomicglue.com
>
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--
kevin meinert | http://www.subatomicglue.com
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