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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/3rdparty/adaptagrams/libcola/tests/trees.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/3rdparty/adaptagrams/libcola/tests/trees.cpp')
-rw-r--r-- | src/3rdparty/adaptagrams/libcola/tests/trees.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/3rdparty/adaptagrams/libcola/tests/trees.cpp b/src/3rdparty/adaptagrams/libcola/tests/trees.cpp new file mode 100644 index 0000000..72fb296 --- /dev/null +++ b/src/3rdparty/adaptagrams/libcola/tests/trees.cpp @@ -0,0 +1,103 @@ +/* + * 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 + * +*/ + +#include<iostream> +#include<vector> +#include <cmath> +#include <time.h> +#include <valarray> + +#include "graphlayouttest.h" + +using namespace std; +using namespace cola; + +void makeEdge(unsigned u, unsigned v, + vector<Edge> &edges, CompoundConstraints &cy) { + edges.push_back(make_pair(u,v)); + cy.push_back(new SeparationConstraint(u,v,20)); +} +vector<Edge> random_tree(unsigned depth, unsigned maxbranch, unsigned &V, + CompoundConstraints &cx, CompoundConstraints &cy) { + vector<Edge> edges; + unsigned lstart=0, lend=1; + V=0; + for(unsigned i=0;i<depth;i++) { + for(unsigned j=lstart;j<lend;j++) { + //makeEdge(j,++V,edges,cy); + //makeEdge(j,++V,edges,cy); + for(unsigned k=0;k<maxbranch;k++) { + double r=(double)rand()/(double)RAND_MAX; + if(r < 0.5) { + makeEdge(j,++V,edges,cy); + } + } + } + lstart=lend; + lend=V+1; + } + V++; + DFS::Graph dfs(V,edges); + for(unsigned i=1;i<dfs.order.size();i++) { + cx.push_back( + new SeparationConstraint(dfs.order[i-1],dfs.order[i],0.5)); + } + /* + for(unsigned i=0;i<dfs.leaves.size();i++) { + for(unsigned j=1;j<dfs.leaves[i].size();j++) { + cx.push_back( + new SeparationConstraint(dfs.leaves[i][j-1],dfs.leaves[i][j],10)); + } + } + */ + return edges; +} +int main() { + unsigned V; + CompoundConstraints cx,cy; + //srand(time(nullptr)); + srand(3); + vector<Edge> es = random_tree(7,4,V,cx,cy); + double defaultEdgeLength=40; + + cout << "V="<<V<<endl; + double width=1000; + double height=1000; + vector<pair<double,double> > startpos(V); + for(unsigned i=0;i<V;i++) { + double x=getRand(width), y=getRand(height); + startpos[i]=make_pair(x,y); + } + const char *testname="trees"; + run_test(startpos,es,defaultEdgeLength,cx,cy,CG,false,testname,"cg"); + run_test(startpos,es,defaultEdgeLength,cx,cy,IP,false,testname,"ip"); + run_test(startpos,es,defaultEdgeLength,cx,cy,SGP,false,testname,"sgp"); + run_test(startpos,es,defaultEdgeLength,cx,cy,UGP,false,testname,"ugp"); + run_test(startpos,es,defaultEdgeLength,cx,cy,IP,true,testname,"cip"); + run_test(startpos,es,defaultEdgeLength,cx,cy,SGP,true,testname,"csgp"); + run_test(startpos,es,defaultEdgeLength,cx,cy,UGP,true,testname,"cugp"); + return 0; +} +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4:textwidth=99 : |