zbufstruct.h

很经典的电磁计算（电容计算）软件 MIT90年代开发

/*
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place the appropriate copyright notice on any such copies.

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/* structs used by .ps file dumping part of code (zbuf)--somewhat redundant */

struct face {
  int numsides;			/* number of sides this face has */
  double **c;			/* corners of the face */
  double normal[3];		/* normal to the face's plane */
  double rhs;			/* rhs for the face's plane equation */
  int index;			/* input order index */
  int depth;			/* depth index - lower numbers are deeper */
  int mark;			/* flag for topological depth ordering */
  double greylev;		/* 0 (white) to 1 (black), default = GREYLEV */
  double width;			/* line width, default = LINE */
  int numbehind;		/* number of faces this face is behind */
  struct face **behind;		/* pntrs to faces this face is behind */
  struct face *prev;
  struct face *next;
};
typedef struct face face;

struct line {
  double from[3];
  double to[3];
  int index;
  int width;
  double arrow;			/* != 0.0 => put arrow hd on to end this sz */
  double dot;			/* != 0.0 => put dot on to end this sz */
  struct line *prev;
  struct line *next;
};
typedef struct line line;