文件名称:inpoly
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This code is described in \"Computational Geometry in C\" (Second Edition),
Chapter 7. It is not written to be comprehensible without the
explanation in that book.
This program reads a polygon P followed by query points from stdin.
The input format is:
n
x0 y0
x1 y1
...
xn-1 yn-1
qx qy
qx qy
qx qy
...
For each query point q, InPoly returns one of four char s:
i : q is strictly interior to P
o : q is strictly exterior to P
v : q is a vertex of P
e : q lies on the relative interior of an edge of P
These represent mutually exclusive categories.
For an explanation of the code, see Chapter 7 of
\"Computational Geometry in C (Second Edition).\"
Chapter 7. It is not written to be comprehensible without the
explanation in that book.
This program reads a polygon P followed by query points from stdin.
The input format is:
n
x0 y0
x1 y1
...
xn-1 yn-1
qx qy
qx qy
qx qy
...
For each query point q, InPoly returns one of four char s:
i : q is strictly interior to P
o : q is strictly exterior to P
v : q is a vertex of P
e : q lies on the relative interior of an edge of P
These represent mutually exclusive categories.
For an explanation of the code, see Chapter 7 of
\"Computational Geometry in C (Second Edition).\"
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下载文件列表
压缩包 : 1985489inpoly.rar 列表 inpoly\i.28 inpoly\i.28.verts inpoly\inpoly.c inpoly\Makefile inpoly\README.inpoly inpoly