root / trunk / code / projects / traffic_navigation / intersectData.h @ 1982
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#ifndef _NODE_DATABASE_
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#define _NODE_DATABASE_
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#define NUM_FEATURES 17 |
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/****************************
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* Node Information: 5-bit Integer
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* 3 bits of node type
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* 2 bits of entry information
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*
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* Intersection Number stored in bits 6-12.
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*
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* Also contains a "feature id": 4 bits in positions 13,14,15,16
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*
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****************************/
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/********************************
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* Feature TYPES:
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*
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********************************/
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#define INTERSECTION_NODE 0 |
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#define ROAD_NODE 1 |
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//Used when mapping to signify return to previously visited intersection while driving on the wrong side of the road.
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#define MAPPING_MARKER NUM_FEATURES
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// intersection number for unused and meaningless barcodes
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#define UNUSED_INTER 0 |
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/********************************
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* Node TYPES:
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*
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*
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* SINGLE 0
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* ON_RAMP 1
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* OFF_RAMP 2
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* DOUBLE_C 3
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* DOUBLE_T 4
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* ROAD 5
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*
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********************************/
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/********************************
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* Turn TYPES:
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*
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* ISTRAIGHT 0
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* ILEFT 1
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* IRIGHT 2
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* IUTURN 3
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*
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********************************/
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/********************************
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* Road TYPES:
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*
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********************************/
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#define ROAD_DOUBLE 0 |
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#define ROAD_SINGLE 1 |
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#define HIGHWAY 2 |
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/********************************
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* Intersection ENTRYPOINTS:
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*
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********************************/
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//DOUBLE_C intersection (Cross Intersection) positions
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/*
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CTOP
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CLEFT=======CRIGHT
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CBOT
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*/
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#define CTOP 0 |
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#define CRIGHT 1 |
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#define CBOT 2 |
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#define CLEFT 3 |
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//DOUBLE_T intersection (T-Junction) positions
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/*
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TLEFT=======TRIGHT
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TMIDDLE
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*/
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#define TLEFT 0 |
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#define TRIGHT 1 |
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#define TMIDDLE 2 |
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//SINGLE intersection positions
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/*
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/\
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/||\
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SACROSS==========>
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SUP
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*/
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#define SACROSS 0 |
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#define SUP 1 |
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//ON_RAMP and OFF_RAMP intersection positions
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/*
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R_LEFT================R_RIGHT
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R_RAMP
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*/
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#define R_LEFT 0 |
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#define R_RIGHT 1 |
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#define R_RAMP 2 |
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// Global variable for the intersection database.
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extern int NodeData[NUM_FEATURES]; |
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void initializeData(void); |
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// Functions to get data from the Database:
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int getFeatureId(int key); //Returns value in Feature TYPES (see above) |
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int getIntersectType(int key); //Returns value in Node TYPE (values 0-4) (see above) |
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int getIntersectPos(int key); //Returns value in Intersect ENTRYPOINTS (see above) |
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int getRoadType(int key); //Returns value in Node TYPE (values 5) (see above) |
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int getRoadInfo(int key); //Returns value in Road TYPES (see above) |
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int getIntersectNum(int key); //Returns number of intersection |
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#endif
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