9bb8decbcf
Former-commit-id:133dc97f67[formerlya02aeb236c] [formerly9f19e3f712] [formerly06a8b51d6d[formerly9f19e3f712[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]]] Former-commit-id:06a8b51d6dFormer-commit-id:377dcd10b9[formerly3360eb6c5f] Former-commit-id:8e80217e59
93 lines
1.4 KiB
C
93 lines
1.4 KiB
C
#ifndef LINESEGS_DEFS_H
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#define LINESEGS_DEFS_H
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/* definitions */
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#define MAX_HRAP_ROWS 5000
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#define NMILE_PER_DEG_LAT 60
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#define PI 3.14159
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#define RAD_PER_DEG PI/180
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#define MILES_PER_NMILE KM_PER_NMILE/KM_PER_MILE
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#define NMILES_PER_MILE .8683910
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#define M_PER_NMILE 1852
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#define KM_PER_NMILE 1.852
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#define KM_PER_MILE 1.609344
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#define MIN_DOUBLE_ERROR 0.00000001
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/* enumerated data */
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typedef enum BinMark
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{
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UNKNOWN,
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OUTSIDE,
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INSIDE
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} BinMark;
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/* structures */
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typedef struct Point
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{
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double x;
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double y;
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} Point;
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typedef struct HrapBin
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{
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double row;
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double col;
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Point point;
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BinMark mark;
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} HrapBin;
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typedef struct HrapBinList
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{
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long rows[MAX_HRAP_ROWS];
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long beginCols[MAX_HRAP_ROWS];
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long endCols[MAX_HRAP_ROWS];
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long numRows;
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long numBins;
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double area; /*square miles */
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} HrapBinList;
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typedef struct LineSegment
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{
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/* points defining the segment */
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Point point1;
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Point point2;
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/* slope and base of the line of which the segment is a part */
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int isVertical;
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double x_value;
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double slope;
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double base;
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/* points that define the box that surrounds the segment */
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Point min;
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Point max;
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} LineSegment;
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#endif
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