/usr/share/ncarg/hluex/mapplot/mp04c.c is in libncarg-data 6.4.0-9.
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* *
* Copyright (C) 1993 *
* University Corporation for Atmospheric Research *
* All Rights Reserved *
* *
***********************************************************************/
/*
* File: mp04c.c
*
* Author: David Brown
* National Center for Atmospheric Research
* PO 3000, Boulder, Colorado
*
* Date: Fri Oct 14 11:42:41 MDT 1994
*
* Description: Illustrates use of Annotation objects.
*/
#include <stdio.h>
#include <math.h>
#include <ncarg/gks.h>
#include <ncarg/ncargC.h>
#include <ncarg/hlu/hlu.h>
#include <ncarg/hlu/App.h>
#include <ncarg/hlu/NcgmWorkstation.h>
#include <ncarg/hlu/PSWorkstation.h>
#include <ncarg/hlu/PDFWorkstation.h>
#include <ncarg/hlu/CairoWorkstation.h>
#include <ncarg/hlu/MapPlot.h>
/*
* Define enough frames for a fairly smooth animation.
*/
#define FRAME_COUNT 36
typedef struct _Anno_List {
NhlString name;
float lat;
float lon;
} Anno_List;
int main(int argc, char *argv[])
{
int appid,wid,mapid;
int rlist,grlist;
int i;
ng_size_t num_am_ids;
int *am_ids;
Anno_List anno_list[] = {
{"Los Angeles",34.0,-118.28},
{"Seattle",47.6,-122.33},
{"Toronto",43.7,-79.4167},
{"New York",40.67,-73.83},
{"Miami",25.75,-80.25},
{"Mexico City",19.417,-99.167},
{"London",51.32,-0.1},
{"Jakarta",-6.13,106.75},
{"Moscow",55.75,37.7},
{"New Delhi",28.37,77.217},
{"Rio de Janeiro",-22.883,-43.283},
{"Cairo",30.05,31.25},
{"Buenos Aires", -34.67,-58.4167},
{"Beijing",39.917,116.4167},
{"Tokyo",35.67,139.67},
{"Lagos",6.45,3.28},
{"Nairobi",-1.283,36.833},
{"Sydney",-33.9167,151.167},
{"Bogota",4.633,-74.083},
{"Lima",-12.1,-77.05},
{"Cape Town",-33.933,18.4667},
{"Calcutta",22.583,88.35},
{"Shanghai",31.217,121.4167},
{"Bombay",18.93,72.85},
{"Denver",39.716,-105.017}
};
int text_ids[NhlNumber(anno_list)];
char const *wks_type = "ncgm";
/*
* Initialize the high level utility library
*/
NhlInitialize();
/*
* Create an application context. Set the app dir to the current
* directory so the application looks for a resource file in the
* working directory. Most resources that remain fixed are set
* in the resource file.
*/
rlist = NhlRLCreate(NhlSETRL);
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNappUsrDir,"./");
NhlRLSetString(rlist,NhlNappDefaultParent,"True");
NhlCreate(&appid,"mp04",NhlappClass,NhlDEFAULT_APP,rlist);
if (!strcmp(wks_type,"ncgm") || !strcmp(wks_type,"NCGM")) {
/*
* Create a meta file workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkMetaName,"./mp04c.ncgm");
NhlCreate(&wid,"mp04Work",
NhlncgmWorkstationClass,NhlDEFAULT_APP,rlist);
}
else if (!strcmp(wks_type,"x11") || !strcmp(wks_type,"X11")) {
/*
* Create an X workstation.
*/
NhlRLClear(rlist);
NhlRLSetInteger(rlist,NhlNwkPause,True);
NhlCreate(&wid,"mp04Work",
NhlcairoWindowWorkstationClass,NhlDEFAULT_APP,rlist);
}
else if (!strcmp(wks_type,"oldps") || !strcmp(wks_type,"OLDPS")) {
/*
* Create an older-style PostScript workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkPSFileName,"mp04c.ps");
NhlCreate(&wid,"mp04Work",
NhlpsWorkstationClass,NhlDEFAULT_APP,rlist);
}
else if (!strcmp(wks_type,"oldpdf") || !strcmp(wks_type,"OLDPDF")) {
/*
* Create an older-style PDF workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkPDFFileName,"mp04c.pdf");
NhlCreate(&wid,"mp04Work",
NhlpdfWorkstationClass,NhlDEFAULT_APP,rlist);
}
else if (!strcmp(wks_type,"pdf") || !strcmp(wks_type,"PDF") ||
!strcmp(wks_type,"ps") || !strcmp(wks_type,"PS")) {
/*
* Create a cairo PS/PDF workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkFileName,"mp04c");
NhlRLSetString(rlist,NhlNwkFormat,(char*)wks_type);
NhlCreate(&wid,"mp04Work",
NhlcairoDocumentWorkstationClass,NhlDEFAULT_APP,rlist);
}
else if (!strcmp(wks_type,"png") || !strcmp(wks_type,"PNG")) {
/*
* Create a cairo PNG workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkFileName,"mp04c");
NhlRLSetString(rlist,NhlNwkFormat,(char*)wks_type);
NhlCreate(&wid,"mp04Work",
NhlcairoImageWorkstationClass,NhlDEFAULT_APP,rlist);
}
/*
* AnnoManager objects allow the PlotManager to manipulate any View class
* object as an annotation a uniform fashion. They allow
* the user to set the View object's size and location relative to
* the viewport of a Plot. They may be located relative to one
* of the viewport sides, or, as in this example, aligned with the plot's
* data space (amTrackData is set True in the resource file).
*
* Create a TextItem for each place name to be included on the map.
* Collect the object ids into an array.
*/
for (i = 0; i < NhlNumber(anno_list); i++) {
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNtxString,anno_list[i].name);
NhlCreate(&text_ids[i],anno_list[i].name,
NhltextItemClass,wid,rlist);
}
/*
* Since the MapPlot object is by default a PlotManager, you can
* make each TextItem View object into an annotation simply by setting the
* pmAnnoViews resource with the array of TextItem ids.
*/
NhlRLClear(rlist);
NhlRLSetIntegerArray(rlist,NhlNpmAnnoViews,text_ids,NhlNumber(text_ids));
NhlCreate(&mapid,"Map0",NhlmapPlotClass,wid,rlist);
/*
* Retrieve the ids of the AnnoManager objects created by the PlotManager and
* then set their location in data coordinate space. The AnnoManager objects
* are arranged in the same order as the TextItems in the pmAnnoViews
* resource.
*/
grlist = NhlRLCreate(NhlGETRL);
NhlRLClear(grlist);
NhlRLGetIntegerArray(grlist,NhlNpmAnnoManagers,&am_ids,&num_am_ids);
NhlGetValues(mapid,grlist);
for (i = 0; i < num_am_ids; i++) {
NhlRLClear(rlist);
NhlRLSetFloat(rlist,NhlNamDataXF,anno_list[i].lon);
NhlRLSetFloat(rlist,NhlNamDataYF,anno_list[i].lat);
NhlSetValues(am_ids[i],rlist);
}
/*
* Create FRAME_COUNT plots, varying the center longitude by an equal
* amount each time.
*/
for (i = FRAME_COUNT; i > 0; i--) {
NhlRLClear(rlist);
NhlRLSetFloat(rlist,NhlNmpCenterLonF,i * 360.0 / FRAME_COUNT);
NhlSetValues(mapid,rlist);
NhlDraw(mapid);
NhlFrame(wid);
}
/*
* Destroy the objects created, close the HLU library and exit.
*/
NhlDestroy(mapid);
for (i = 0; i < NhlNumber(anno_list); i++) {
NhlDestroy(text_ids[i]);
}
NhlDestroy(wid);
NhlDestroy(appid);
NhlClose();
exit(0);
}
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