676ea3192f
Former-commit-id:b13cbb7e00[formerly 4909e0dd166e43c22a34d96aa744f51db8a7d6c0] Former-commit-id:3904c4ccf5
321 lines
7.9 KiB
C
321 lines
7.9 KiB
C
/* L. Hinson/AWC 11/02 Corrected coding errors */
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#include <string.h>
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#include <strings.h>
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#include "gui.h"
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void draw_map();
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void draw_stnmark();
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void draw_value();
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void draw_cntr();
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/************************************************************************
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* draw.c *
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* *
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* This module contains the drawing functions. *
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* *
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* CONTENTS: *
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* draw_map() set the map attributes and draw the map. *
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* draw_stnmark() draw station marker at station location. *
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* draw_value() plot values at station location . *
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* draw_cntr() plot contouring lines. *
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***********************************************************************/
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/*=====================================================================*/
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void draw_map ( num, map_info, zoomflg, mapb, iret )
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int num;
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struct maptype_list *map_info;
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int zoomflg;
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mapbnd_t *mapb;
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int *iret;
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/************************************************************************
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* draw_map *
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* *
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* This routine will set the map attributes and draw the map. *
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* *
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* draw_map ( num, map_info, zoomflg, mapb, iret ) *
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* *
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* Input parameters: *
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* num int Index to map info array *
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* *map_info struct Map projection info *
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* zoomflg int Zoom box flag *
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* *
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* Input/Output parameters: *
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* *mapb mapbnd_t Map boundary coordinates *
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* *
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* Output parameters: *
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* *iret int Return code *
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** *
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* Log: *
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* S. Jacobs/NMC 7/94 *
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* C. Lin/EAI 8/95 add compute xin, yin from garea *
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* C. Lin/EAI 8/95 modified from nwx2.1 *
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***********************************************************************/
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{
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char map[25];
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char garea[73], tmpgarea[73], *ptr;
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char proj[25];
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char latlon[25];
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char panel[13];
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char text[13];
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char shrttl[9];
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char title[73];
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int ititl;
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int linttl;
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int clear;
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int np;
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float cx, cy, dx, dy;
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static char savprj[25]; /* save the previous projection info */
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/*---------------------------------------------------------------------*/
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*iret = G_NORMAL;
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/*
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* Set the map attributes.
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*/
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strcpy( map, "24" );
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strcpy( latlon, "1/10" );
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strcpy( panel, "0" );
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strcpy( text, "1/22//hw" );
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strcpy( shrttl, " " );
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strcpy( title, " " );
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ititl = 1;
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linttl = -2;
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clear = G_TRUE;
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/*
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* Check for a menu selection or a zoom box for garea.
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*/
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if ( zoomflg ) {
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sprintf( garea, "%f;%f;%f;%f",
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mapb->x[0], mapb->y[0], mapb->x[1], mapb->y[1] );
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strcpy( proj, savprj );
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}
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else {
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strcpy( garea, map_info[num].garea );
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strcpy( proj, map_info[num].proj );
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/*
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* set xin, yin based on garea
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*/
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strcpy( tmpgarea, garea );
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ptr = &tmpgarea[0];
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if ( tmpgarea[0] == '#' ) {
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ptr ++;
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/*
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* use center+delta format
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*/
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cx = atof(strtok(ptr, ";"));
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cy = atof(strtok(NULL,";"));
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dx = atof(strtok(NULL,";"));
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dy = atof(strtok(NULL," "));
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mapb->x[0] = cx - dx;
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mapb->x[1] = cx + dx;
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mapb->y[0] = cy - dy;
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mapb->y[1] = cy + dy;
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}
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else {
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/*
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* use boundary format
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*/
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mapb->x[0] = atof(strtok(ptr, ";"));
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mapb->y[0] = atof(strtok(NULL, ";"));
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mapb->x[1] = atof(strtok(NULL, ";"));
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mapb->y[1] = atof(strtok(NULL, " "));
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}
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}
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/*
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* Draw the map.
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*/
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map_draw( map, garea, proj, latlon, panel, text, title, &ititl,
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&linttl, shrttl, &clear, iret,
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strlen(map), strlen(garea), strlen(proj),
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strlen(latlon), strlen(panel), strlen(text),
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strlen(title), strlen(shrttl) );
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strcpy( savprj, proj );
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}
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/*=====================================================================*/
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void draw_stnmark ( numpts, slat, slon, jcolr, imrk, iret )
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int numpts;
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float *slat;
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float *slon;
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int jcolr;
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int imrk;
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int *iret;
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/************************************************************************
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* draw_stnmark *
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* *
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* This routine will set the marker attributes and plot the markers *
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* at the station locations. *
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* *
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* draw_stnmark ( numpts, slat, slon, jcolr, imrk, iret ) *
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* *
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* Input parameters: *
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* numpts int Number of stations *
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* *slat float Array of latitudes *
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* *slon float Array of longitudes *
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* jcolr int Requested marker color *
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* imrk int Requested marker type *
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* *
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* Output parameters: *
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* *iret int Return code *
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** *
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* Log: *
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* S. Jacobs/NMC 7/94 *
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***********************************************************************/
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{
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float sizmrk;
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int ncolor, mrktyp, mrkwid, pltval, iposn;
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/*---------------------------------------------------------------------*/
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*iret = G_NORMAL;
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/*
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* Set the marker attributes.
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*/
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ncolor = 1;
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mrktyp = imrk;
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sizmrk = 1.0;
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mrkwid = 2;
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pltval = G_FALSE;
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iposn = 0;
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/*
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* Draw the markers.
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*/
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map_mark( &numpts, slat, slon, NULL, &ncolor, NULL, &jcolr,
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&mrktyp, &sizmrk, &mrkwid, &pltval, &iposn, iret );
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}
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/*=====================================================================*/
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void draw_value( markdata )
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struct mrkv *markdata;
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/************************************************************************
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* draw_value *
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* *
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* This routine will plot the markers based on the input data. *
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* *
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* draw_value ( markdata ) *
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* *
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* Input parameters: *
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* *markdata struct structure for marker data *
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* *
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* Output parameters: *
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** *
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* Log: *
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* C. Lin/EAI 9/95 *
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***********************************************************************/
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{
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int iret;
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map_mark( &(markdata->nstn), markdata->lat, markdata->lon,
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markdata->dvalues, &(markdata->ncolor),
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markdata->breaks, markdata->icolrs,
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&(markdata->marktype), &(markdata->marksize),
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&(markdata->markwdth), &(markdata->pltflag),
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&(markdata->iposn),
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&iret );
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}
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/*=====================================================================*/
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void draw_cntr(contours)
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struct contour *contours;
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/************************************************************************
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* draw_cntr *
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* *
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* This routine plots the contour lines. *
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* *
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* draw_cntr(contours) *
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* *
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* Input parameters: *
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* *contours struct struct of contour data *
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* *
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* Output parameters: *
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* *
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** *
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* Log: *
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* L. Williams/EAI 01/95 *
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* C. Lin/EAI 09/95 *
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************************************************************************/
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{
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int ltyhw, ltype, lwidth;
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int offset, j;
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float rotat;
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char sys[2];
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int iret;
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/*---------------------------------------------------------------------*/
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if ( contours->nc == 0 )
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return;
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ltyhw = 0;
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ltype = 1;
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lwidth = 1;
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rotat = 0.;
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offset = 0;
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strcpy (sys, "M");
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/*
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* set the line type, width... attributes
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*/
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gsline(<ype, <yhw, &lwidth, <yhw, &iret);
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for ( j=0; j < contours->nc; ++j ) {
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/*
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* set line color
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*/
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gscolr(&(contours->line[j].color), &iret);
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/*
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* draw the line
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*/
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gline(sys, &(contours->line[j].npt),
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contours->line[j].lat,
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contours->line[j].lon,
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&iret, strlen(sys));
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/*
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* plot contour label
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*/
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gtextc(sys, &(contours->line[j].lat[0]),
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&(contours->line[j].lon[0]),
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contours->line[j].label,
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&rotat, &offset, &offset, &iret,
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strlen(sys), strlen(contours->line[j].label));
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}
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/*
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* flush the buffer
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*/
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geplot(&iret );
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}
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/*=====================================================================*/
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