/usr/share/ncarg/hluex/legend/lg03c.c is in libncarg-data 6.3.0-6build1.
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* $Id: lg03c.c,v 1.17 2010-03-15 22:49:24 haley Exp $
*/
/***********************************************************************
* *
* Copyright (C) 1995 *
* University Corporation for Atmospheric Research *
* All Rights Reserved *
* *
***********************************************************************/
/*
* File: lg03c.c
*
* Author: Bob Lackman
* National Center for Atmospheric Research
* PO 3000, Boulder, Colorado
*
* Date: Fri Jan 13 18:31:18 MDT 1995
*
* Description: Demonstrates a Legend of 5 line types.
*/
#include <stdio.h>
#include <ncarg/hlu/hlu.h>
#include <ncarg/hlu/ResList.h>
#include <ncarg/hlu/App.h>
#include <ncarg/hlu/Legend.h>
#include <ncarg/hlu/NcgmWorkstation.h>
#include <ncarg/hlu/PSWorkstation.h>
#include <ncarg/hlu/PDFWorkstation.h>
#include <ncarg/hlu/CairoWorkstation.h>
int main()
{
int appid, wid, pid;
int rlist;
char *labels[5] = {"Line_Type_0", "Line_Type_1", "Line_Type_2",
"Line_Type_3", "Line_Type_4"};
int colors[5];
int item_ind[5];
float lnthik;
char const *wks_type = "x11";
/*
* Initialize data values
*/
colors[0] = 2;
colors[1] = 4;
colors[2] = 6;
colors[3] = 8;
colors[4] = 10;
lnthik = 4.;
item_ind[0] = 2;
item_ind[1] = 3;
item_ind[2] = 4;
item_ind[3] = 5;
item_ind[4] = 6;
/*
* 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.
* In this example the resource file supplies the plot title only.
*/
rlist = NhlRLCreate(NhlSETRL);
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNappUsrDir,"./");
NhlRLSetString(rlist,NhlNappDefaultParent,"True");
NhlCreate(&appid,"lg03",NhlappClass,NhlDEFAULT_APP,rlist);
if (!strcmp(wks_type,"ncgm") || !strcmp(wks_type,"NCGM")) {
/*
* Create a meta file workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkMetaName,"./lg03c.ncgm");
NhlCreate(&wid,"lg03Work",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,"lg03Work",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,"./lg03c.ps");
NhlCreate(&wid,"lg03Work",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,"./lg03c.pdf");
NhlCreate(&wid,"lg03Work",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,"./lg03c");
NhlRLSetString(rlist,NhlNwkFormat,(char*)wks_type);
NhlCreate(&wid,"lg03Work",NhlcairoDocumentWorkstationClass,NhlDEFAULT_APP,
rlist);
}
else if (!strcmp(wks_type,"png") || !strcmp(wks_type,"PNG")) {
/*
* Create a cairo PNG workstation.
*/
NhlRLClear(rlist);
NhlRLSetString(rlist,NhlNwkFileName,"./lg03c");
NhlRLSetString(rlist,NhlNwkFormat,(char*)wks_type);
NhlCreate(&wid,"lg03Work",NhlcairoImageWorkstationClass,NhlDEFAULT_APP,
rlist);
}
/*
* Specify the viewport extent of the object.
*/
NhlRLClear(rlist);
NhlRLSetFloat(rlist,NhlNvpXF,0.);
NhlRLSetFloat(rlist,NhlNvpYF,1.);
NhlRLSetFloat(rlist,NhlNvpWidthF,1.);
NhlRLSetFloat(rlist,NhlNvpHeightF,1.);
/*
* Specify the line types for the legend.
*/
NhlRLSetInteger(rlist,NhlNlgItemCount,5);
NhlRLSetInteger(rlist,NhlNlgMonoItemType,True);
NhlRLSetInteger(rlist,NhlNlgItemType,NhlMARKLINES);
NhlRLSetFloat(rlist,NhlNlgLabelFontHeightF,.03);
NhlRLSetStringArray(rlist,NhlNlgLabelStrings,labels,5);
/*
* Set the dashed lines and the line characters to the same colors.
*/
NhlRLSetIntegerArray(rlist,NhlNlgLineColors,colors,5);
NhlRLSetIntegerArray(rlist,NhlNlgDashIndexes,item_ind,5);
NhlRLSetInteger(rlist,NhlNlgMonoLineThickness,True);
NhlRLSetFloat(rlist,NhlNlgLineThicknessF,lnthik);
NhlRLSetIntegerArray(rlist,NhlNlgLineLabelFontColors,colors,5);
NhlRLSetFloat(rlist,NhlNlgLineLabelFontHeightF,.03);
NhlCreate(&pid,"Legend",NhllegendClass,wid,rlist);
NhlDraw(pid);
NhlFrame(wid);
NhlDestroy(pid);
NhlDestroy(wid);
NhlDestroy(appid);
NhlClose();
exit(0);
}
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