8e80217e59
Former-commit-id:a02aeb236c[formerly9f19e3f712] [formerly06a8b51d6d[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]] Former-commit-id:06a8b51d6dFormer-commit-id:3360eb6c5f
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/****************************************************************************
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*
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* Header: map_convert.h
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*
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* Description: contains prototype definations needed for map_convert.c
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*
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***************************************************************************/
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#ifndef MAP_CONVERT_H
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#define MAP_CONVERT_H
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#include "map_defines.h"
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#define POLAR_SCALE_MULTIPLE 45
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#define HRAP_REFERENCE_LON -105.0
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#define NUM_NMI_PER_DEGREE 60
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#define ZOOM_OUT_LIMIT_DEFAULT 20
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/* This structure is used by the functionality which allows the drawing of
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of a rectangle which can be used for zooming. */
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typedef struct {
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Boolean zoom_state ;
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Boolean rubber_band_zoom_mode ;
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Boolean use_rectangle ;
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int start_x, start_y, last_x, last_y;
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GC gc;
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Widget w;
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} rubber_band_data;
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/* prototype definitions */
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extern void _set_map_projection(int);
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extern void _init_map_variables ( float nmi ) ;
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extern void _update_map_variables();
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extern void _pan_map_up(Widget,XtPointer,XtPointer);
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extern void _pan_map_down(Widget,XtPointer,XtPointer);
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extern void _pan_map_left(Widget,XtPointer,XtPointer);
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extern void _pan_map_right(Widget,XtPointer,XtPointer);
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extern void _zoom_map_in(Widget,XtPointer,XtPointer);
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extern void _zoom_map_out(Widget,XtPointer,XtPointer);
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extern void mArealZoom ( Widget w , XtPointer clientdata ,
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XtPointer calldata ) ;
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extern int _get_map_projection();
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extern float _get_center_lon();
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extern float _get_center_lat();
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extern float _get_left_lon();
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extern float _get_top_lat();
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extern int _get_offsetx();
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extern int _get_offsety();
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extern void mConvertLatLon2XY(float,float,int *,int *);
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extern void mConvertXY2LatLon(int,int,float *,float *);
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extern void mSaveOriginalCenterLatLon ( ) ;
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extern void mSetCenterLatLon(float,float);
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extern void mGetCenterLatLon ( float * , float * ) ;
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extern void _get_region(float *,float *,float *,float *);
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extern void mAddPanRoutine ( MotifCallback pan_function ) ;
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extern void mAddZoomRoutine ( MotifCallback zoom_function ) ;
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extern void mOptimizeScaleFactor ( long previous_scale ,
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double lat , double lon , double lat1 ,
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double lon1 , int height , int width ,
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char direction ) ;
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extern void mSetHrapArea ( int Hrap_XOR , int Hrap_YOR , int Hrap_MAXX ,
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int Hrap_MAXY ) ;
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#endif /* #ifndef MAP_CONVERT_H */
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