mirror of
https://github.com/bulletphysics/bullet3
synced 2024-12-15 06:00:12 +00:00
3b9b803683
Parse and use colors from URDF file (single rgba color per link, not per visual) Rename btMultiBody 'stepVelocities' to 'computeAccelerationsArticulatedBodyAlgorithmMultiDof' btHashMap, add const Value* operator[] remove a few more obsolete btMultiBody methods (on the non-multi-dof path) fix spelling typo in fillConstraintJacobianMultiDof (fil -> fill) Add mention to Jakub Stepien for his work on btMultiBody
869 lines
21 KiB
C++
869 lines
21 KiB
C++
#include "UrdfParser.h"
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#include "tinyxml/tinyxml.h"
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#include "urdfStringSplit.h"
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#include "urdfLexicalCast.h"
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UrdfParser::UrdfParser()
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{
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}
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UrdfParser::~UrdfParser()
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{
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//todo(erwincoumans) delete memory
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}
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static bool parseVector4(btVector4& vec4, const std::string& vector_str)
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{
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vec4.setZero();
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btArray<std::string> pieces;
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btArray<float> rgba;
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urdfStringSplit(pieces, vector_str, urdfIsAnyOf(" "));
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for (int i = 0; i < pieces.size(); ++i)
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{
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if (!pieces[i].empty())
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{
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rgba.push_back(urdfLexicalCast<double>(pieces[i].c_str()));
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}
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}
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if (rgba.size() != 4)
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{
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return false;
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}
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vec4.setValue(rgba[0],rgba[1],rgba[2],rgba[3]);
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return true;
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}
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static bool parseVector3(btVector3& vec3, const std::string& vector_str, ErrorLogger* logger)
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{
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vec3.setZero();
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btArray<std::string> pieces;
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btArray<float> rgba;
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urdfStringSplit(pieces, vector_str, urdfIsAnyOf(" "));
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for (int i = 0; i < pieces.size(); ++i)
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{
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if (!pieces[i].empty())
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{
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rgba.push_back(urdfLexicalCast<double>(pieces[i].c_str()));
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}
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}
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if (rgba.size() != 3)
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{
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logger->reportWarning("Couldn't parse vector3");
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return false;
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}
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vec3.setValue(rgba[0],rgba[1],rgba[2]);
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return true;
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}
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bool UrdfParser::parseMaterial(UrdfMaterial& material, TiXmlElement *config, ErrorLogger* logger)
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{
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if (!config->Attribute("name"))
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{
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logger->reportError("Material must contain a name attribute");
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return false;
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}
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material.m_name = config->Attribute("name");
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// texture
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TiXmlElement *t = config->FirstChildElement("texture");
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if (t)
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{
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if (t->Attribute("filename"))
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{
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material.m_textureFilename = t->Attribute("filename");
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}
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}
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if (material.m_textureFilename.length()==0)
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{
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//logger->reportWarning("material has no texture file name");
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}
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// color
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TiXmlElement *c = config->FirstChildElement("color");
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if (c)
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{
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if (c->Attribute("rgba"))
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{
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if (!parseVector4(material.m_rgbaColor,c->Attribute("rgba")))
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{
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std::string msg = material.m_name+" has no rgba";
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logger->reportWarning(msg.c_str());
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}
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}
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}
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return true;
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}
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bool parseTransform(btTransform& tr, TiXmlElement* xml, ErrorLogger* logger)
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{
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tr.setIdentity();
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{
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const char* xyz_str = xml->Attribute("xyz");
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if (xyz_str)
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{
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parseVector3(tr.getOrigin(),std::string(xyz_str),logger);
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}
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}
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{
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const char* rpy_str = xml->Attribute("rpy");
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if (rpy_str != NULL)
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{
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btVector3 rpy;
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if (parseVector3(rpy,std::string(rpy_str),logger))
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{
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double phi, the, psi;
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double roll = rpy[0];
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double pitch = rpy[1];
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double yaw = rpy[2];
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phi = roll / 2.0;
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the = pitch / 2.0;
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psi = yaw / 2.0;
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btQuaternion orn(
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sin(phi) * cos(the) * cos(psi) - cos(phi) * sin(the) * sin(psi),
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cos(phi) * sin(the) * cos(psi) + sin(phi) * cos(the) * sin(psi),
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cos(phi) * cos(the) * sin(psi) - sin(phi) * sin(the) * cos(psi),
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cos(phi) * cos(the) * cos(psi) + sin(phi) * sin(the) * sin(psi));
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orn.normalize();
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tr.setRotation(orn);
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}
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}
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}
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return true;
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}
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bool UrdfParser::parseInertia(UrdfInertia& inertia, TiXmlElement* config, ErrorLogger* logger)
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{
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inertia.m_linkLocalFrame.setIdentity();
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inertia.m_mass = 0.f;
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// Origin
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TiXmlElement *o = config->FirstChildElement("origin");
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if (o)
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{
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if (!parseTransform(inertia.m_linkLocalFrame,o,logger))
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{
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return false;
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}
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}
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TiXmlElement *mass_xml = config->FirstChildElement("mass");
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if (!mass_xml)
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{
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logger->reportError("Inertial element must have a mass element");
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return false;
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}
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if (!mass_xml->Attribute("value"))
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{
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logger->reportError("Inertial: mass element must have value attribute");
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return false;
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}
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inertia.m_mass = urdfLexicalCast<double>(mass_xml->Attribute("value"));
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TiXmlElement *inertia_xml = config->FirstChildElement("inertia");
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if (!inertia_xml)
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{
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logger->reportError("Inertial element must have inertia element");
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return false;
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}
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if (!(inertia_xml->Attribute("ixx") && inertia_xml->Attribute("ixy") && inertia_xml->Attribute("ixz") &&
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inertia_xml->Attribute("iyy") && inertia_xml->Attribute("iyz") &&
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inertia_xml->Attribute("izz")))
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{
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logger->reportError("Inertial: inertia element must have ixx,ixy,ixz,iyy,iyz,izz attributes");
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return false;
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}
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inertia.m_ixx = urdfLexicalCast<double>(inertia_xml->Attribute("ixx"));
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inertia.m_ixy = urdfLexicalCast<double>(inertia_xml->Attribute("ixy"));
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inertia.m_ixz = urdfLexicalCast<double>(inertia_xml->Attribute("ixz"));
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inertia.m_iyy = urdfLexicalCast<double>(inertia_xml->Attribute("iyy"));
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inertia.m_iyz = urdfLexicalCast<double>(inertia_xml->Attribute("iyz"));
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inertia.m_izz = urdfLexicalCast<double>(inertia_xml->Attribute("izz"));
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return true;
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}
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bool UrdfParser::parseGeometry(UrdfGeometry& geom, TiXmlElement* g, ErrorLogger* logger)
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{
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btAssert(g);
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TiXmlElement *shape = g->FirstChildElement();
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if (!shape)
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{
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logger->reportError("Geometry tag contains no child element.");
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return false;
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}
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const std::string type_name = shape->ValueTStr().c_str();
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if (type_name == "sphere")
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{
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geom.m_type = URDF_GEOM_SPHERE;
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if (!shape->Attribute("radius"))
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{
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logger->reportError("Sphere shape must have a radius attribute");
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return false;
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} else
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{
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geom.m_sphereRadius = urdfLexicalCast<double>(shape->Attribute("radius"));
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}
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}
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else if (type_name == "box")
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{
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geom.m_type = URDF_GEOM_BOX;
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if (!shape->Attribute("size"))
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{
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logger->reportError("box requires a size attribute");
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} else
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{
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parseVector3(geom.m_boxSize,shape->Attribute("size"),logger);
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}
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}
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else if (type_name == "cylinder")
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{
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geom.m_type = URDF_GEOM_CYLINDER;
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if (!shape->Attribute("length") ||
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!shape->Attribute("radius"))
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{
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logger->reportError("Cylinder shape must have both length and radius attributes");
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return false;
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}
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geom.m_cylinderRadius = urdfLexicalCast<double>(shape->Attribute("radius"));
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geom.m_cylinderLength = urdfLexicalCast<double>(shape->Attribute("length"));
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}
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else if (type_name == "mesh")
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{
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geom.m_type = URDF_GEOM_MESH;
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if (!shape->Attribute("filename")) {
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logger->reportError("Mesh must contain a filename attribute");
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return false;
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}
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geom.m_meshFileName = shape->Attribute("filename");
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if (shape->Attribute("scale"))
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{
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parseVector3(geom.m_meshScale,shape->Attribute("scale"),logger);
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} else
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{
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geom.m_meshScale.setValue(1,1,1);
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}
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}
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else
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{
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logger->reportError("Unknown geometry type:");
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logger->reportError(type_name.c_str());
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return false;
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}
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return true;
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}
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bool UrdfParser::parseCollision(UrdfCollision& collision, TiXmlElement* config, ErrorLogger* logger)
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{
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collision.m_linkLocalFrame.setIdentity();
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// Origin
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TiXmlElement *o = config->FirstChildElement("origin");
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if (o)
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{
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if (!parseTransform(collision.m_linkLocalFrame, o,logger))
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return false;
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}
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// Geometry
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TiXmlElement *geom = config->FirstChildElement("geometry");
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if (!parseGeometry(collision.m_geometry,geom,logger))
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{
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return false;
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}
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const char *name_char = config->Attribute("name");
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if (name_char)
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collision.m_name = name_char;
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return true;
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}
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bool UrdfParser::parseVisual(UrdfVisual& visual, TiXmlElement* config, ErrorLogger* logger)
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{
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visual.m_linkLocalFrame.setIdentity();
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// Origin
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TiXmlElement *o = config->FirstChildElement("origin");
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if (o)
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{
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if (!parseTransform(visual.m_linkLocalFrame, o,logger))
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return false;
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}
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// Geometry
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TiXmlElement *geom = config->FirstChildElement("geometry");
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if (!parseGeometry(visual.m_geometry,geom,logger))
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{
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return false;
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}
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const char *name_char = config->Attribute("name");
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if (name_char)
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visual.m_name = name_char;
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visual.m_hasLocalMaterial = false;
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// Material
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TiXmlElement *mat = config->FirstChildElement("material");
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if (mat)
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{
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// get material name
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if (!mat->Attribute("name"))
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{
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logger->reportError("Visual material must contain a name attribute");
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return false;
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}
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visual.m_materialName = mat->Attribute("name");
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// try to parse material element in place
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TiXmlElement *t = mat->FirstChildElement("texture");
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TiXmlElement *c = mat->FirstChildElement("color");
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if (t||c)
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{
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if (parseMaterial(visual.m_localMaterial, mat,logger))
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{
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UrdfMaterial* matPtr = new UrdfMaterial(visual.m_localMaterial);
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m_model.m_materials.insert(matPtr->m_name.c_str(),matPtr);
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visual.m_hasLocalMaterial = true;
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}
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}
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}
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return true;
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}
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bool UrdfParser::parseLink(UrdfLink& link, TiXmlElement *config, ErrorLogger* logger)
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{
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const char* linkName = config->Attribute("name");
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if (!linkName)
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{
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logger->reportError("Link with no name");
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return false;
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}
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link.m_name = linkName;
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// Inertial (optional)
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TiXmlElement *i = config->FirstChildElement("inertial");
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if (i)
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{
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if (!parseInertia(link.m_inertia, i,logger))
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{
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logger->reportError("Could not parse inertial element for Link:");
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logger->reportError(link.m_name.c_str());
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return false;
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}
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} else
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{
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logger->reportWarning("No inertial data for link, using mass=1, localinertiadiagonal = 1,1,1, identity local inertial frame");
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link.m_inertia.m_mass = 1.f;
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link.m_inertia.m_linkLocalFrame.setIdentity();
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link.m_inertia.m_ixx = 1.f;
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link.m_inertia.m_iyy = 1.f;
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link.m_inertia.m_izz= 1.f;
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logger->reportWarning(link.m_name.c_str());
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}
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// Multiple Visuals (optional)
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for (TiXmlElement* vis_xml = config->FirstChildElement("visual"); vis_xml; vis_xml = vis_xml->NextSiblingElement("visual"))
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{
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UrdfVisual visual;
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if (parseVisual(visual, vis_xml,logger))
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{
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link.m_visualArray.push_back(visual);
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}
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else
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{
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logger->reportError("Could not parse visual element for Link:");
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logger->reportError(link.m_name.c_str());
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return false;
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}
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}
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// Multiple Collisions (optional)
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for (TiXmlElement* col_xml = config->FirstChildElement("collision"); col_xml; col_xml = col_xml->NextSiblingElement("collision"))
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{
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UrdfCollision col;
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if (parseCollision(col, col_xml,logger))
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{
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link.m_collisionArray.push_back(col);
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}
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else
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{
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logger->reportError("Could not parse collision element for Link:");
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logger->reportError(link.m_name.c_str());
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return false;
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}
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}
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return true;
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}
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bool UrdfParser::parseJointLimits(UrdfJoint& joint, TiXmlElement* config, ErrorLogger* logger)
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{
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joint.m_lowerLimit = 0.f;
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joint.m_upperLimit = 0.f;
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joint.m_effortLimit = 0.f;
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joint.m_velocityLimit = 0.f;
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const char* lower_str = config->Attribute("lower");
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if (lower_str)
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{
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joint.m_lowerLimit = urdfLexicalCast<double>(lower_str);
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}
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const char* upper_str = config->Attribute("upper");
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if (upper_str)
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{
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joint.m_upperLimit = urdfLexicalCast<double>(upper_str);
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}
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// Get joint effort limit
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const char* effort_str = config->Attribute("effort");
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if (effort_str)
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{
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joint.m_effortLimit = urdfLexicalCast<double>(effort_str);
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}
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// Get joint velocity limit
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const char* velocity_str = config->Attribute("velocity");
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if (velocity_str)
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{
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joint.m_velocityLimit = urdfLexicalCast<double>(velocity_str);
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}
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return true;
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}
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bool UrdfParser::parseJoint(UrdfJoint& joint, TiXmlElement *config, ErrorLogger* logger)
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{
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// Get Joint Name
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const char *name = config->Attribute("name");
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if (!name)
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{
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logger->reportError("unnamed joint found");
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return false;
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}
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joint.m_name = name;
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joint.m_parentLinkToJointTransform.setIdentity();
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// Get transform from Parent Link to Joint Frame
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TiXmlElement *origin_xml = config->FirstChildElement("origin");
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if (origin_xml)
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{
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if (!parseTransform(joint.m_parentLinkToJointTransform, origin_xml,logger))
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{
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logger->reportError("Malformed parent origin element for joint:");
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logger->reportError(joint.m_name.c_str());
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return false;
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}
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}
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// Get Parent Link
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TiXmlElement *parent_xml = config->FirstChildElement("parent");
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if (parent_xml)
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{
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const char *pname = parent_xml->Attribute("link");
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if (!pname)
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{
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logger->reportError("no parent link name specified for Joint link. this might be the root?");
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logger->reportError(joint.m_name.c_str());
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return false;
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}
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else
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{
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joint.m_parentLinkName = std::string(pname);
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}
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}
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// Get Child Link
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TiXmlElement *child_xml = config->FirstChildElement("child");
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if (child_xml)
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{
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const char *pname = child_xml->Attribute("link");
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if (!pname)
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{
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logger->reportError("no child link name specified for Joint link [%s].");
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logger->reportError(joint.m_name.c_str());
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return false;
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}
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else
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{
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joint.m_childLinkName = std::string(pname);
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}
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}
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// Get Joint type
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const char* type_char = config->Attribute("type");
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if (!type_char)
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{
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logger->reportError("joint [%s] has no type, check to see if it's a reference.");
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logger->reportError(joint.m_name.c_str());
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return false;
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}
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std::string type_str = type_char;
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if (type_str == "planar")
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joint.m_type = URDFPlanarJoint;
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else if (type_str == "floating")
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joint.m_type = URDFFloatingJoint;
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else if (type_str == "revolute")
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joint.m_type = URDFRevoluteJoint;
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else if (type_str == "continuous")
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joint.m_type = URDFContinuousJoint;
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else if (type_str == "prismatic")
|
|
joint.m_type = URDFPrismaticJoint;
|
|
else if (type_str == "fixed")
|
|
joint.m_type = URDFFixedJoint;
|
|
else
|
|
{
|
|
logger->reportError("Joint ");
|
|
logger->reportError(joint.m_name.c_str());
|
|
logger->reportError("has unknown type:");
|
|
logger->reportError(type_str.c_str());
|
|
return false;
|
|
}
|
|
|
|
// Get Joint Axis
|
|
if (joint.m_type != URDFFloatingJoint && joint.m_type != URDFFixedJoint)
|
|
{
|
|
// axis
|
|
TiXmlElement *axis_xml = config->FirstChildElement("axis");
|
|
if (!axis_xml){
|
|
logger->reportWarning("urdfdom: no axis elemement for Joint, defaulting to (1,0,0) axis");
|
|
logger->reportWarning(joint.m_name.c_str());
|
|
joint.m_localJointAxis.setValue(1,0,0);
|
|
}
|
|
else{
|
|
if (axis_xml->Attribute("xyz"))
|
|
{
|
|
if (!parseVector3(joint.m_localJointAxis,axis_xml->Attribute("xyz"),logger))
|
|
{
|
|
logger->reportError("Malformed axis element:");
|
|
logger->reportError(joint.m_name.c_str());
|
|
logger->reportError(" for joint:");
|
|
logger->reportError(axis_xml->Attribute("xyz"));
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get limit
|
|
TiXmlElement *limit_xml = config->FirstChildElement("limit");
|
|
if (limit_xml)
|
|
{
|
|
if (!parseJointLimits(joint, limit_xml,logger))
|
|
{
|
|
logger->reportError("Could not parse limit element for joint:");
|
|
logger->reportError(joint.m_name.c_str());
|
|
return false;
|
|
}
|
|
}
|
|
else if (joint.m_type == URDFRevoluteJoint)
|
|
{
|
|
logger->reportError("Joint is of type REVOLUTE but it does not specify limits");
|
|
logger->reportError(joint.m_name.c_str());
|
|
return false;
|
|
}
|
|
else if (joint.m_type == URDFPrismaticJoint)
|
|
{
|
|
logger->reportError("Joint is of type PRISMATIC without limits");
|
|
logger->reportError( joint.m_name.c_str());
|
|
return false;
|
|
}
|
|
|
|
joint.m_jointDamping = 0;
|
|
joint.m_jointFriction = 0;
|
|
|
|
// Get Dynamics
|
|
TiXmlElement *prop_xml = config->FirstChildElement("dynamics");
|
|
if (prop_xml)
|
|
{
|
|
|
|
// Get joint damping
|
|
const char* damping_str = prop_xml->Attribute("damping");
|
|
if (damping_str)
|
|
{
|
|
joint.m_jointDamping = urdfLexicalCast<double>(damping_str);
|
|
}
|
|
|
|
// Get joint friction
|
|
const char* friction_str = prop_xml->Attribute("friction");
|
|
if (friction_str)
|
|
{
|
|
joint.m_jointFriction = urdfLexicalCast<double>(friction_str);
|
|
}
|
|
|
|
if (damping_str == NULL && friction_str == NULL)
|
|
{
|
|
logger->reportError("joint dynamics element specified with no damping and no friction");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool UrdfParser::initTreeAndRoot(ErrorLogger* logger)
|
|
{
|
|
// every link has children links and joints, but no parents, so we create a
|
|
// local convenience data structure for keeping child->parent relations
|
|
btHashMap<btHashString,btHashString> parentLinkTree;
|
|
|
|
// loop through all joints, for every link, assign children links and children joints
|
|
for (int i=0;i<m_model.m_joints.size();i++)
|
|
{
|
|
UrdfJoint** jointPtr = m_model.m_joints.getAtIndex(i);
|
|
if (jointPtr)
|
|
{
|
|
UrdfJoint* joint = *jointPtr;
|
|
std::string parent_link_name = joint->m_parentLinkName;
|
|
std::string child_link_name = joint->m_childLinkName;
|
|
if (parent_link_name.empty() || child_link_name.empty())
|
|
{
|
|
logger->reportError("parent link or child link is empty for joint");
|
|
logger->reportError(joint->m_name.c_str());
|
|
return false;
|
|
}
|
|
|
|
UrdfLink** childLinkPtr = m_model.m_links.find(joint->m_childLinkName.c_str());
|
|
if (!childLinkPtr)
|
|
{
|
|
logger->reportError("Cannot find child link for joint ");
|
|
logger->reportError(joint->m_name.c_str());
|
|
|
|
return false;
|
|
}
|
|
UrdfLink* childLink = *childLinkPtr;
|
|
|
|
UrdfLink** parentLinkPtr = m_model.m_links.find(joint->m_parentLinkName.c_str());
|
|
if (!parentLinkPtr)
|
|
{
|
|
logger->reportError("Cannot find parent link for a joint");
|
|
logger->reportError(joint->m_name.c_str());
|
|
return false;
|
|
}
|
|
UrdfLink* parentLink = *parentLinkPtr;
|
|
|
|
childLink->m_parentLink = parentLink;
|
|
|
|
childLink->m_parentJoint = joint;
|
|
parentLink->m_childJoints.push_back(joint);
|
|
parentLink->m_childLinks.push_back(childLink);
|
|
parentLinkTree.insert(childLink->m_name.c_str(),parentLink->m_name.c_str());
|
|
|
|
}
|
|
}
|
|
|
|
//search for children that have no parent, those are 'root'
|
|
for (int i=0;i<m_model.m_links.size();i++)
|
|
{
|
|
UrdfLink** linkPtr = m_model.m_links.getAtIndex(i);
|
|
btAssert(linkPtr);
|
|
if (linkPtr)
|
|
{
|
|
UrdfLink* link = *linkPtr;
|
|
link->m_linkIndex = i;
|
|
|
|
if (!link->m_parentLink)
|
|
{
|
|
m_model.m_rootLinks.push_back(link);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if (m_model.m_rootLinks.size()>1)
|
|
{
|
|
logger->reportWarning("URDF file with multiple root links found");
|
|
}
|
|
|
|
if (m_model.m_rootLinks.size()==0)
|
|
{
|
|
logger->reportError("URDF without root link found");
|
|
return false;
|
|
}
|
|
return true;
|
|
|
|
}
|
|
|
|
bool UrdfParser::loadUrdf(const char* urdfText, ErrorLogger* logger, bool forceFixedBase)
|
|
{
|
|
|
|
TiXmlDocument xml_doc;
|
|
xml_doc.Parse(urdfText);
|
|
if (xml_doc.Error())
|
|
{
|
|
logger->reportError(xml_doc.ErrorDesc());
|
|
xml_doc.ClearError();
|
|
return false;
|
|
}
|
|
|
|
TiXmlElement *robot_xml = xml_doc.FirstChildElement("robot");
|
|
if (!robot_xml)
|
|
{
|
|
logger->reportError("expected a robot element");
|
|
return false;
|
|
}
|
|
|
|
// Get robot name
|
|
const char *name = robot_xml->Attribute("name");
|
|
if (!name)
|
|
{
|
|
logger->reportError("Expected a name for robot");
|
|
return false;
|
|
}
|
|
m_model.m_name = name;
|
|
|
|
|
|
|
|
// Get all Material elements
|
|
for (TiXmlElement* material_xml = robot_xml->FirstChildElement("material"); material_xml; material_xml = material_xml->NextSiblingElement("material"))
|
|
{
|
|
UrdfMaterial* material = new UrdfMaterial;
|
|
|
|
parseMaterial(*material, material_xml, logger);
|
|
|
|
|
|
UrdfMaterial** mat =m_model.m_materials.find(material->m_name.c_str());
|
|
if (mat)
|
|
{
|
|
logger->reportWarning("Duplicate material");
|
|
} else
|
|
{
|
|
m_model.m_materials.insert(material->m_name.c_str(),material);
|
|
}
|
|
}
|
|
|
|
char msg[1024];
|
|
sprintf(msg,"Num materials=%d", m_model.m_materials.size());
|
|
logger->printMessage(msg);
|
|
|
|
|
|
for (TiXmlElement* link_xml = robot_xml->FirstChildElement("link"); link_xml; link_xml = link_xml->NextSiblingElement("link"))
|
|
{
|
|
UrdfLink* link = new UrdfLink;
|
|
|
|
if (parseLink(*link, link_xml,logger))
|
|
{
|
|
if (m_model.m_links.find(link->m_name.c_str()))
|
|
{
|
|
logger->reportError("Link name is not unique, link names in the same model have to be unique");
|
|
logger->reportError(link->m_name.c_str());
|
|
return false;
|
|
} else
|
|
{
|
|
//copy model material into link material, if link has no local material
|
|
for (int i=0;i<link->m_visualArray.size();i++)
|
|
{
|
|
UrdfVisual& vis = link->m_visualArray.at(i);
|
|
if (!vis.m_hasLocalMaterial && vis.m_materialName.c_str())
|
|
{
|
|
UrdfMaterial** mat = m_model.m_materials.find(vis.m_materialName.c_str());
|
|
if (mat && *mat)
|
|
{
|
|
vis.m_localMaterial = **mat;
|
|
} else
|
|
{
|
|
//logger->reportError("Cannot find material with name:");
|
|
//logger->reportError(vis.m_materialName.c_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
m_model.m_links.insert(link->m_name.c_str(),link);
|
|
}
|
|
} else
|
|
{
|
|
logger->reportError("failed to parse link");
|
|
delete link;
|
|
return false;
|
|
}
|
|
|
|
}
|
|
if (m_model.m_links.size() == 0)
|
|
{
|
|
logger->reportWarning("No links found in URDF file");
|
|
return false;
|
|
}
|
|
|
|
// Get all Joint elements
|
|
for (TiXmlElement* joint_xml = robot_xml->FirstChildElement("joint"); joint_xml; joint_xml = joint_xml->NextSiblingElement("joint"))
|
|
{
|
|
UrdfJoint* joint = new UrdfJoint;
|
|
|
|
if (parseJoint(*joint, joint_xml,logger))
|
|
{
|
|
if (m_model.m_joints.find(joint->m_name.c_str()))
|
|
{
|
|
logger->reportError("joint '%s' is not unique.");
|
|
logger->reportError(joint->m_name.c_str());
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
m_model.m_joints.insert(joint->m_name.c_str(),joint);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
logger->reportError("joint xml is not initialized correctly");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool ok(initTreeAndRoot(logger));
|
|
if (!ok)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (forceFixedBase)
|
|
{
|
|
for (int i=0;i<m_model.m_rootLinks.size();i++)
|
|
{
|
|
UrdfLink* link(m_model.m_rootLinks.at(i));
|
|
link->m_inertia.m_mass = 0.0;
|
|
link->m_inertia.m_ixx = 0.0;
|
|
link->m_inertia.m_ixy = 0.0;
|
|
link->m_inertia.m_ixz = 0.0;
|
|
link->m_inertia.m_iyy = 0.0;
|
|
link->m_inertia.m_iyz = 0.0;
|
|
link->m_inertia.m_izz = 0.0;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|