/usr/share/ncarg/hluex/mapplot/mp02c.c is in libncarg-data 6.4.0-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: mp02c.c,v 1.13 2010-03-15 22:49:24 haley Exp $
*/
/************************************************************************
* *
* Copyright (C) 1993 *
* University Corporation for Atmospheric Research *
* All Rights Reserved *
* *
************************************************************************/
/*
* File: mp02c.c
*
* Author: David Brown
* National Center for Atmospheric Research
* PO 3000, Boulder, Colorado
*
* Date: Fri Oct 14 11:42:41 MDT 1994
*
* Description: Demonstrates individual control of MapPlot areas
*/
#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>
int main(int argc, char *argv[])
{
int appid,wid,mapid;
int rlist;
char const *wks_type = "x11";
/*
* String arrays for specifying areas
*/
NhlString fill_specs[] = { "mexico","bolivia","brazil","nicaragua",
"cuba","haiti","canada"};
NhlString outline_specs[] = { "argentina","paraguay","colombia",
"us-colorado","us-texas",
"us-kentucky" };
NhlString mask_specs[] =
{ "us-colorado","us-texas","us-kentucky",
"bolivia","paraguay","nicaragua","oceans" };
/*
* 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.
* The resource file sets most of the Contour resources that remain fixed
* throughout the life of the Contour object.
*/
rlist = NhlRLCreate(NhlSETRL);
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNappUsrDir,"./");
NhlCreate(&appid,"mp02",NhlappClass,NhlDEFAULT_APP,rlist);
if (!strcmp(wks_type,"ncgm") || !strcmp(wks_type,"NCGM")) {
/*
* Create a meta file workstation
*/
rlist = NhlRLCreate(NhlSETRL);
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkMetaName,"./mp02c.ncgm");
NhlCreate(&wid,"mp02Work",
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,"mp02Work",NhlcairoWindowWorkstationClass,appid,rlist);
}
else if (!strcmp(wks_type,"oldps") || !strcmp(wks_type,"OLDPS")) {
/*
* Create an older-style PostScript workstation
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkPSFileName,"./mp02c.ps");
NhlCreate(&wid,"mp02Work",
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,"./mp02c.pdf");
NhlCreate(&wid,"mp02Work",
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,"./mp02c");
NhlRLSetString(rlist,NhlNwkFormat,(char*)wks_type);
NhlCreate(&wid,"mp02Work",
NhlcairoDocumentWorkstationClass,NhlDEFAULT_APP,rlist);
}
else if (!strcmp(wks_type,"png") || !strcmp(wks_type,"PNG")) {
/*
* Create a cairo PNG workstation
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkFileName,"./mp02c");
NhlRLSetString(rlist,NhlNwkFormat,(char*)wks_type);
NhlCreate(&wid,"mp02Work",
NhlcairoImageWorkstationClass,NhlDEFAULT_APP,rlist);
}
/*
* Create a plot focusing on North and South America;
* Outlines are on by default; turn fill on.
* By default the geophysical boundary set is used both for outline and
* fill.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNpmTitleDisplayMode,"Always");
NhlRLSetString(rlist,NhlNtiMainString,"mp02c - Frame 1");
NhlRLSetString(rlist,NhlNmpFillOn,"True");
NhlRLSetString(rlist,NhlNmpProjection,"Orthographic");
NhlRLSetString(rlist,NhlNmpPerimOn,"true");
NhlRLSetFloat(rlist,NhlNmpCenterLatF,10.0);
NhlRLSetFloat(rlist,NhlNmpCenterLonF,-90.0);
NhlRLSetFloat(rlist,NhlNmpCenterRotF,45.0);
NhlRLSetString(rlist,NhlNmpLimitMode,"LatLon");
NhlRLSetFloat(rlist,NhlNmpMinLatF,-60.0);
NhlRLSetFloat(rlist,NhlNmpMaxLatF,60.0);
NhlRLSetFloat(rlist,NhlNmpMinLonF,-135.0);
NhlRLSetFloat(rlist,NhlNmpMaxLonF,-45.0);
/*
* Highlight selected countries using their "political" color.
*/
NhlRLSetStringArray(rlist,NhlNmpFillAreaSpecifiers,
fill_specs,NhlNumber(fill_specs));
NhlCreate(&mapid,"Map0",NhlmapPlotClass,wid,rlist);
NhlDraw(mapid);
NhlFrame(wid);
/*
* Individually outline some other countries and some US states.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNtiMainString,"mp02c - Frame 2");
NhlRLSetStringArray(rlist,NhlNmpOutlineSpecifiers,
outline_specs,NhlNumber(outline_specs));
NhlSetValues(mapid,rlist);
NhlDraw(mapid);
NhlFrame(wid);
/*
* Turn off the base geophysical set for outlines and fill, leaving only
* the specified areas.
* Also change the specification, 'canada' to 'canada*',
* in order to draw all areas belonging to Canada.
* Note that another color, mpDefaultFillColor, is used for all areas
* within the map projection that are otherwise not drawn, including the
* oceans. If you look closely, you will see that the Canadian lakes
* are not drawn in the color used in the previous frame for the ocean.
* The wild card specification, 'canada*', picks up all the lakes of
* Canada. Lakes are drawn using mpInlandWaterFillColor, which is, by
* default, set to the same color as mpOceanFillColor.
*/
fill_specs[6] = "canada*";
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNtiMainString,"mp02c - Frame 3");
NhlRLSetString(rlist,NhlNmpFillBoundarySets,"NoBoundaries");
NhlRLSetString(rlist,NhlNmpOutlineBoundarySets,"NoBoundaries");
NhlRLSetStringArray(rlist,NhlNmpFillAreaSpecifiers,
fill_specs,NhlNumber(fill_specs));
NhlSetValues(mapid,rlist);
NhlDraw(mapid);
NhlFrame(wid);
/*
* You can also specify area groupings using certain predefined
* string constants: set 'continents' on to demonstrate.
* Masking an area is different from not explicitly drawing it. To enable
* masking you must explicitly turn area masking and then create an area
* mask specification list containing the name of each area to be masked.
* There is an order of precedence for fill and masking. Explicitly
* named areas take precedence over area groupings, and small areas take
* precedence over enclosing larger areas. Otherwise masking takes
* precedence over filling.
* >>> Masking or filling individual US states causes processing time and
* >>> memory requirements to increase substantially. Hopefully the
* >>> performance can be improved before the release.
*/
fill_specs[0] = "continents";
fill_specs[1] = "us";
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNtiMainString,"mp02c - Frame 4");
NhlRLSetString(rlist,NhlNmpFillBoundarySets,"NoBoundaries");
NhlRLSetStringArray(rlist,NhlNmpFillAreaSpecifiers,
fill_specs,NhlNumber(fill_specs));
NhlRLSetString(rlist,NhlNmpAreaMaskingOn,"True");
NhlRLSetStringArray(rlist,NhlNmpMaskAreaSpecifiers,
mask_specs,NhlNumber(mask_specs));
NhlSetValues(mapid,rlist);
NhlDraw(mapid);
NhlFrame(wid);
/*
* Destroy the objects created, close the HLU library and exit.
*/
NhlDestroy(mapid);
NhlDestroy(wid);
NhlDestroy(appid);
NhlClose();
exit(0);
}
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