diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/samples/cropplot.xp |
Initial commit
Diffstat (limited to 'graphics/epix/samples/cropplot.xp')
-rw-r--r-- | graphics/epix/samples/cropplot.xp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/graphics/epix/samples/cropplot.xp b/graphics/epix/samples/cropplot.xp new file mode 100644 index 0000000000..b470d90497 --- /dev/null +++ b/graphics/epix/samples/cropplot.xp @@ -0,0 +1,35 @@ +/* -*-ePiX-*- */ +#include "epix.h" +using namespace ePiX; + +double f(double t) { return 2*t*(1-t)*(1-t); } +double g(double t) { return 1/(1-t*t); } + +int main() +{ + picture(P(-2,-4), P(2,4), "200x200pt"); + + begin(); + + set_crop(); + // Vertical asymptotes + dashed(); + line(P(-1, ymin()), P(-1, ymax())); + line(P( 1, ymin()), P( 1, ymax())); + solid(); + + // Axes + h_axis(8); + v_axis(8); + + h_axis_labels(4, P(-1, 2), tl); // align top-left + v_axis_labels(4, P(-1, 2), tl); + + // Graphs + plot(f, xmin(), xmax(), 80); + + bold(); + plot(g, xmin(), xmax(), 80); // N.B. poles are sample points + + end(); +} |