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Diffstat (limited to 'Master/texmf-dist/doc/latex/metaplot/examples/metacontour_main.cc')
-rw-r--r-- | Master/texmf-dist/doc/latex/metaplot/examples/metacontour_main.cc | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/metaplot/examples/metacontour_main.cc b/Master/texmf-dist/doc/latex/metaplot/examples/metacontour_main.cc new file mode 100644 index 00000000000..4e3cc711874 --- /dev/null +++ b/Master/texmf-dist/doc/latex/metaplot/examples/metacontour_main.cc @@ -0,0 +1,75 @@ +/* MetaContour, version 0.1 -------------------------------------- */ +/* Copyright(C) 2004, Brooks Moses */ +/* */ +/* This version of MetaContour is made available under the Gnu */ +/* Public License; see below for details. */ +/* */ +/* This is a very pre-release version of MetaContour, distributed */ +/* primarily as an example of a use of MetaPlot. It can be */ +/* compiled with gcc using the line: */ +/* */ +/* g++ metacontour.cc cpoint.cc metacontour_main.cc */ +/* */ +/*-----------------------------------------------------------------*/ + +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +#include<string> +#include<vector> +#include<iostream> +#include<cmath> +#include"metacontour.h" +using namespace std; + +int main() { + int il = 21; + int jl = 11; + double pi = atan(1.0)*4.0; + + cparray GridData(il,jl); + + for (int i=0; i<il; i++) { + double theta = 2.0 * pi * double(i) / (il-1.0); + for (int j=0; j<jl; j++) { + double r = 1.5 * (double(j)/(jl-1.0))*(double(j)/(jl-1.0)) + 0.03; + + double x = - r * cos(theta); + double y = r * sin(theta); + + double z = (-0.5 * log(r)) + x; + + GridData(i,j) = cpoint(0.5*(x+1.0),0.5*(y+1.0),z); + } + } + + vector<double> ContourList(31); + + cout << "color contourcolor[];\n"; + for (int k=0; k<31; k++) { + ContourList[k] = 0.1 * k - 1.0; + cout << "contourcolor[" << k << "] = " << (1.0 - k/50.0) << "white;\n"; + } + + string PlotName = "contplotA"; + + MetapostContours testplot(GridData, ContourList, PlotName); + + cout << '\n' << testplot.Grid(); + cout << testplot.LinePlot(); + cout << testplot.FillPlot(); + +} + |