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A template-based robot dynamics library

metapod 최신버젼 다운로드

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metapod
========

[![Build Status](https://travis-ci.org/laas/metapod.png?branch=master)](https://travis-ci.org/laas/metapod)
[![Coverage Status](https://coveralls.io/repos/laas/metapod/badge.png?branch=master)](https://coveralls.io/r/laas/metapod?branch=master)

This software provides robot dynamics algorithms.
It uses a combination of a specific representation of robot models and C++
templates, such that each algorithm remains model-independant, yet is optimized
for a particular robot at compile-time.
It makes use of R. Featherstone's Spatial Algebra to describe forces, motions
and inertias (cf. Rigid Body Dynamics Algorithms, Roy Featherstone).

Content
-------

* include/metapod/spatial: header-only spatial algebra library.

* include/metapod: header-only library of robot dynamics algorithms.
    Algorithms consist of the combination of *compile-time* traversal
    algorithms and visitors. They can be applied to a robot model which is
    a class with a specific structure.

* robotbuilder: a library to help generating the source code of robot
    model classes.

* embedfile: an utility executable used to embed templates in the
    robotbuilder library.

* metapodfromurdf: an utility executable based on robotbuilder and liburdf
    which generates the source code of robot model classes from an URDF
    description.

* binarytreemodel: an utility executable based on robotbuilder which
    generates the source code of robot model classes with a binary kinematic
    tree. Those models are named sample_[1-4]and are used for benckmarks.

* data: URDF definition of the simple_arm and simple_humanoid models which
    are used for examples, tests and benchmarks.

* tests: some tests for metapod and metapod::Spatial

* timer: a portable timer library used for the benchmarks.

* benchmark: some benchmarks

* doc: some doc.

Dependencies
------------

The package depends on several packages which have to be available on
your machine.

- System tools:
   - CMake (>=2.6)
   - pkg-config
   - usual compilation tools (GCC/G++, make, etc.)
 - Libraries:
   - Eigen (>=3.0.0)
   - Boost (>=1.40.0)
     Boost Test is used in the test suite
   - optionally, liburdfdom or liburdf (as provided by ROS)

Setup
-----

To compile this package, it is recommended to create a separate build
directory:

mkdir _build
    cd _build
    cmake -DBUILD_METAPODFROMURDF=OFF ..
    make install

Please note that CMake produces a `CMakeCache.txt` file which should
be deleted to reconfigure a package from scratch.

In order to build the urdf converter, you'll need to install liburdfdom or
liburdf. There are several options:

- Install urdfdom alone

git clone git://github.com/ros/console_bridge.git && cd console_bridge
       git checkout 0.1.5
       mkdir build && cd build
       cmake ..
       make
       sudo make install

git clone git://github.com/ros/urdfdom_headers && cd urdfdom_headers
       git checkout 0.2.2
       mkdir build && cd build
       cmake ..
       make
       sudo make install

git clone git://github.com/ros/urdfdom && cd urdfdom
       git checkout 0.2.7
       mkdir build && cd build
       cmake ..
       make
       sudo make install

- Or install ROS groovy using the ubuntu packages and just do

source /opt/ros/groovy/setup.bash

before running cmake.

- Or install ROS fuerte using the ubuntu packages and just do

source /opt/ros/fuerte/setup.bash

before running cmake.

Documentation
-------------

Development branch documentation is [available
online](http://laas.github.com/metapod/doxygen/HEAD/).

Known Bugs
----------

* Benchmark times different with different combination of outer and inner loop.

Please do not use benchmark/benchmark to make performances comparisons.
 The programs benchmark/benchmark_metapod_simple_humanoid_CRBA
 and benchmark/benchmark_metapod_simple_humanoid_RNEA are more coherent.

* NP is mandatory
 
 Benjamin Chretien pointed out that a dummy root link is necessary as
 a Galilean Frame for the urdf file parser of metapod.

metapod

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