summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/adaptagrams/libcola/tests/planar.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/adaptagrams/libcola/tests/planar.cpp')
-rw-r--r--src/3rdparty/adaptagrams/libcola/tests/planar.cpp287
1 files changed, 287 insertions, 0 deletions
diff --git a/src/3rdparty/adaptagrams/libcola/tests/planar.cpp b/src/3rdparty/adaptagrams/libcola/tests/planar.cpp
new file mode 100644
index 0000000..f5eae9c
--- /dev/null
+++ b/src/3rdparty/adaptagrams/libcola/tests/planar.cpp
@@ -0,0 +1,287 @@
+/*
+ * vim: ts=4 sw=4 et tw=0 wm=0
+ *
+ * libcola - A library providing force-directed network layout using the
+ * stress-majorization method subject to separation constraints.
+ *
+ * Copyright (C) 2006-2008 Monash University
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library in the file LICENSE; if not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place,
+ * Suite 330, Boston, MA 02111-1307 USA
+ *
+*/
+
+/** \file topology.cpp
+ *
+ * tests topology preserving layout. graph is a triangle.
+ * We have a fourth disconnected node starting inside the triangle.
+ * We give the disconnected node a desired position outside the triangle
+ * and begin layout. Layout should converge to near zero stress as all
+ * edges should be able to reach their desired lengths, and disconnected
+ * node should still be inside the triangle at the end.
+ */
+/*
+* Authors:
+* Tim Dwyer <tgdwyer@gmail.com>
+*/
+#include <iostream>
+#include <iomanip>
+#include <fstream>
+
+#include <vector>
+#include <valarray>
+#include <algorithm>
+#include <float.h>
+#include <libcola/cola.h>
+#include <libtopology/topology_graph.h>
+#include "graphlayouttest.h"
+using namespace std;
+using namespace cola;
+
+struct TestCase {
+ topology::Nodes vs;
+ topology::Edges tes;
+ topology::EdgePoints ps;
+ vector<vpsc::Rectangle*> rs;
+ vector<Edge> es;
+ void addNode(double minX, double minY, double w, double h) {
+ vpsc::Rectangle* r = new Rectangle(minX, minX+w, minY, minY+h);
+ rs.push_back(r);
+ topology::Node *v = new topology::Node(vs.size(), r);
+ vs.push_back(v);
+ }
+ void addToPath(unsigned vID, topology::EdgePoint::RectIntersect i) {
+ ps.push_back(new topology::EdgePoint(vs[vID],i));
+ }
+ void addEdge(double l) {
+ tes.push_back(new topology::Edge(l, ps));
+ es.push_back(make_pair(ps[0]->node->id,ps[ps.size()-1]->node->id));
+ ps.clear();
+ }
+ ~TestCase() {
+ for_each(rs.begin(),rs.end(),delete_object());
+ for_each(tes.begin(),tes.end(),delete_object());
+ for_each(vs.begin(),vs.end(),delete_object());
+ }
+};
+void writeFile(const topology::Nodes& vs, const topology::Edges& es, const char *outputFileName) {
+ const unsigned n=vs.size();
+ vector<cola::Edge> cedges;
+
+ for(unsigned i=0;i<es.size();i++) {
+ cedges.push_back(make_pair(1,2));
+ }
+
+ vector<straightener::Route*> routes;
+ for(topology::Edges::const_iterator e=es.begin();e!=es.end();++e) {
+ routes.push_back((*e)->getRoute());
+ }
+
+ vector<string> labels(n);
+ for(unsigned i=0;i<n;++i) {
+ stringstream ss;
+ ss << i;
+ labels[i]=ss.str();
+ }
+
+ vector<vpsc::Rectangle*> rs;
+ for(topology::Nodes::const_iterator i=vs.begin();i!=vs.end();++i) {
+ rs.push_back((*i)->rect);
+ }
+ OutputFile of(rs,cedges,nullptr,outputFileName,true,false);
+ of.setLabels(labels);
+ of.routes=&routes;
+ of.generate();
+
+ for_each(routes.begin(),routes.end(),delete_object());
+}
+struct Test : TestConvergence {
+ Test(const double d,const unsigned i,topology::Nodes& vs, topology::Edges& es) : TestConvergence(d,i), vs(vs), es(es) {}
+ bool operator()(const double new_stress, valarray<double> & X, valarray<double> & Y) {
+ cout << "stress="<<new_stress<<" iteration="<<iterations<<endl;
+ stringstream ss;
+ ss << "planar-" << setfill('0') << setw(3) << ++iterations << ".svg";
+ writeFile(vs,es,ss.str().c_str());
+ if(iterations<100) {
+ return false;
+ }
+ return true;
+ return TestConvergence::operator()(new_stress,X,Y);
+ }
+ double lastStress;
+ topology::Nodes& vs;
+ topology::Edges& es;
+};
+void test() {
+ TestCase t;
+t.addNode(144.000000,511.000000,8.000000,8.000000);
+t.addNode(413.000000,155.000000,8.000000,8.000000);
+t.addNode(437.000000,169.000000,8.000000,8.000000);
+t.addNode(436.000000,122.000000,8.000000,8.000000);
+t.addNode(460.000000,150.000000,8.000000,8.000000);
+t.addNode(466.000000,178.000000,8.000000,8.000000);
+t.addNode(469.000000,198.000000,8.000000,8.000000);
+t.addNode(378.000000,332.000000,8.000000,8.000000);
+t.addNode(368.000000,315.000000,8.000000,8.000000);
+t.addNode(332.000000,341.000000,8.000000,8.000000);
+t.addNode(282.000000,374.000000,8.000000,8.000000);
+t.addNode(329.000000,364.000000,8.000000,8.000000);
+t.addNode(346.000000,390.000000,8.000000,8.000000);
+t.addNode(375.000000,402.000000,8.000000,8.000000);
+t.addNode(357.000000,438.000000,8.000000,8.000000);
+t.addNode(382.000000,422.000000,8.000000,8.000000);
+t.addNode(453.000000,280.000000,8.000000,8.000000);
+t.addNode(452.000000,258.000000,8.000000,8.000000);
+t.addNode(530.000000,449.000000,8.000000,8.000000);
+t.addNode(576.000000,431.000000,8.000000,8.000000);
+t.addNode(577.000000,408.000000,8.000000,8.000000);
+t.addNode(606.000000,438.000000,8.000000,8.000000);
+t.addNode(624.000000,467.000000,8.000000,8.000000);
+t.addNode(620.000000,492.000000,8.000000,8.000000);
+t.addNode(681.000000,492.000000,8.000000,8.000000);
+t.addNode(729.000000,528.000000,8.000000,8.000000);
+t.addNode(765.000000,515.000000,8.000000,8.000000);
+t.addNode(765.000000,492.000000,8.000000,8.000000);
+t.addNode(858.000000,538.000000,8.000000,8.000000);
+t.addNode(2.000000,544.000000,8.000000,8.000000);
+t.addToPath(28,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(27,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(28,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(26,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(25,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(28,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(25,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(29,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(17,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(24,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(16,(topology::EdgePoint::RectIntersect)4);
+//t.addToPath(20,(topology::EdgePoint::RectIntersect)1);
+t.addToPath(24,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(16,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(7,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(24,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(25,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(22,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(24,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(22,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(0,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(22,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(23,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(22,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(18,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(21,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(20,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(20,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(19,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(18,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(20,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(18,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(16,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(14,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(18,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(13,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(14,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(15,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(14,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(12,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(13,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(12,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(10,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(11,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(12,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(10,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(11,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(9,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(13,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(9,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(10,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(6,(topology::EdgePoint::RectIntersect)4);
+//t.addToPath(8,(topology::EdgePoint::RectIntersect)2);
+t.addToPath(9,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(6,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(7,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(8,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(7,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(6,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(25,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(5,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(10,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(5,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(29,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(29,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(1,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(3,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(2,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(5,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(6,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(4,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(5,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(3,(topology::EdgePoint::RectIntersect)4);
+t.addToPath(4,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+t.addToPath(29,(topology::EdgePoint::RectIntersect)4);
+//t.addToPath(1,(topology::EdgePoint::RectIntersect)2);
+t.addToPath(3,(topology::EdgePoint::RectIntersect)4);
+t.addEdge(70.000000);
+ writeFile(t.vs,t.tes,"planar-000.svg");
+ Test test(0.00001,100,t.vs,t.tes);
+ ConstrainedFDLayout alg(t.rs,t.es,70.0,nullptr,test,nullptr);
+ alg.setTopology(&t.vs,&t.tes);
+ alg.run(true,true);
+ double finalStress=alg.computeStress();
+ printf("finalStress=%f\n",finalStress);
+
+ //assert(finalStress<1e-5);
+}
+int main() {
+ test();
+ return 0;
+}
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4:textwidth=80 :