[Rock-dev] No memory layout for Vector3d when passing base/Position or base/Vector3d

[Leif Christensen]

Am 14.10.2013 15:16, schrieb Leif Christensen:
> Am 09.10.2013 15:41, schrieb Sylvain Joyeux:
>> > On 10/01/2013 03:15 PM, Leif Christensen wrote:
>>>> >> > Hi,
>>>> >> >
>>>> >> > I have a callback function foo that awaits two arguments:
>>>> >> >
>>>>>> >>> >> #include <base/Pose.hpp>
>>>>>> >>> >> #include <base/Eigen.hpp>
>>>>>> >>> >> ...
>>>>>> >>> >> void foo(base::Position, base::Vector3d);
>>>>>> >>> >> ...
>>>> >> > When I try to call the function from a ruby script, the script fails:
>>>> >> >
>>>>>> >>> >> pos = Types::Base::Position.new(0,0,0)
>>>>>> >>> >> vec = Types::Base::Vector3d.new(1,1,0)
>>>>>> >>> >> foo(pos,vec)
>>>>>> >>> >> -- Ruby level backtrace information ----------------------------------------
>>>>>> >>> >> test_vf3d.rb:23:in `<main>'
>>>>>> >>> >> test_vf3d.rb:23:in `method_missing'
>> > Hi Leif. How do you do the C++-to-ruby bindings ?
> My code is a widget in the rock_widget_collection, so I guess vizkit is
> doing the c++ to ruby bindings.
Ok, actually vizkit is not doing this automatically. But adding

>require 'vizkittypelib'
>Orocos.load_typekit "base"
>[...]
>gui.extend(Vizkit::QtTypelibExtension)

to my script solved the issue (thanks Alex)

Leif

-- 
 Leif Christensen

 DFKI Bremen
 Robotics Innovation Center
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 E-Mail: leif.christensen at dfki.de

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