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34 
35 /* Author: Wim Meeussen */
36 
37 #include "urdf_parser/urdf_parser.h"
38 #include <iostream>
39 #include <fstream>
40 
41 using namespace urdf;
42 using namespace std;
43 
addChildLinkNames(LinkConstSharedPtr link,ofstream & os)44 void addChildLinkNames(LinkConstSharedPtr link, ofstream& os)
45 {
46   os << "\"" << link->name << "\" [label=\"" << link->name << "\"];" << endl;
47   for (std::vector<LinkSharedPtr>::const_iterator child = link->child_links.begin(); child != link->child_links.end(); child++)
48     addChildLinkNames(*child, os);
49 }
50 
addChildJointNames(LinkConstSharedPtr link,ofstream & os)51 void addChildJointNames(LinkConstSharedPtr link, ofstream& os)
52 {
53   double r, p, y;
54   for (std::vector<LinkSharedPtr>::const_iterator child = link->child_links.begin(); child != link->child_links.end(); child++){
55     (*child)->parent_joint->parent_to_joint_origin_transform.rotation.getRPY(r,p,y);
56     os << "\"" << link->name << "\" -> \"" << (*child)->parent_joint->name
57        << "\" [label=\"xyz: "
58        << (*child)->parent_joint->parent_to_joint_origin_transform.position.x << " "
59        << (*child)->parent_joint->parent_to_joint_origin_transform.position.y << " "
60        << (*child)->parent_joint->parent_to_joint_origin_transform.position.z << " "
61        << "\\nrpy: " << r << " " << p << " " << y << "\"]" << endl;
62     os << "\"" << (*child)->parent_joint->name << "\" -> \"" << (*child)->name << "\"" << endl;
63     addChildJointNames(*child, os);
64   }
65 }
66 
67 
printTree(LinkConstSharedPtr link,string file)68 void printTree(LinkConstSharedPtr link, string file)
69 {
70   std::ofstream os;
71   os.open(file.c_str());
72   os << "digraph G {" << endl;
73 
74   os << "node [shape=box];" << endl;
75   addChildLinkNames(link, os);
76 
77   os << "node [shape=ellipse, color=blue, fontcolor=blue];" << endl;
78   addChildJointNames(link, os);
79 
80   os << "}" << endl;
81   os.close();
82 }
83 
84 
85 
main(int argc,char ** argv)86 int main(int argc, char** argv)
87 {
88   if (argc != 2){
89     std::cerr << "Usage: urdf_to_graphiz input.xml" << std::endl;
90     return -1;
91   }
92 
93   // get the entire file
94   std::string xml_string;
95   std::fstream xml_file(argv[1], std::fstream::in);
96   while ( xml_file.good() )
97   {
98     std::string line;
99     std::getline( xml_file, line);
100     xml_string += (line + "\n");
101   }
102   xml_file.close();
103 
104   ModelInterfaceSharedPtr robot = parseURDF(xml_string);
105   if (!robot){
106     std::cerr << "ERROR: Model Parsing the xml failed" << std::endl;
107     return -1;
108   }
109   string output = robot->getName();
110 
111   // print entire tree to file
112   printTree(robot->getRoot(), output+".gv");
113   cout << "Created file " << output << ".gv" << endl;
114 
115   string command = "dot -Tpdf "+output+".gv  -o "+output+".pdf";
116   if (system(command.c_str()) != -1)
117     cout << "Created file " << output << ".pdf" << endl;
118   else
119     cout << "There was an error executing '" << command << "'" << endl;
120   return 0;
121 }
122 
123