/* >>>>>>>>>> EXA_13 <<<<<<<<<< */
void exa_13()
{ int n = 7, i;
static char
*clr[7] = {"fore", "red", "yello", "cyan", "oran", "green", "blue"},
*cont[7] = {"anta", "afri", "sout" , "aust", "nort", "eura", "lake"};
disini ();
hwfont ();
setvlt ("small");
pagera ();
projct ("hammer");
noclip ();
grafmp (-180.f, 180.f, -180.f, 30.f, -90.f, 90.f, -90.f, 30.f);
shdpat (16L);
for (i = 0; i < n; i++)
{ color (clr[i]);
shdmap (cont[i]);
sendbf ();
}
color ("fore");
gridmp (1, 1);
disfin ();
}
/* >>>>>>>>>> EXA12_1 <<<<<<<<<< */
void exa12_1 (void)
{ int n = 50 ,i, j;
static int ixp[4] = {200, 1999, 1999, 200},
iyp[4] = {2600, 2600, 801, 801};
double fpi = 3.1415927 / 180., step, x, y;
step = 360. / (n - 1);
for (i = 0; i < n; i++)
{ x = i * step;
for (j = 0; j < n; j++)
{ y = j * step;
zmat[i][j] = (float) (2 * sin (x * fpi) * sin (y * fpi));
}
}
setpag ("da4p");
disini ();
pagera ();
hwfont ();
axspos (200, 2600);
axslen (1800, 1800);
name ("X-axis", "x");
name ("Y-axis", "y");
name ("Z-axis", "z");
titlin ("Surface Plot (SURMAT)", 2);
titlin ("F(X,Y) = 2*SIN(X)*SIN(Y)", 4);
graf3d (0.f, 360.f, 0.f, 90.f, 0.f, 360.f, 0.f, 90.f,
-3.f, 3.f, -3.f, 1.f);
height (50);
title ();
shlsur ();
color ("green");
surmat ((float *) zmat, n, n, 1, 1);
color ("fore");
grfini (-1.f, -1.f, -1.f, 1.f, -1.f, -1.f, 1.f, 1.f, -1.f);
nograf ();
graf (0.f, 360.f, 0.f, 90.f, 0.f, 360.f, 0.f, 90.f);
dashl ();
grid (1,1);
grffin ();
grfini (-1.f, -1.f, -1.f, -1.f, 1.f, -1.f, -1.f, 1.f, 1.f);
graf (0.f, 360.f, 0.f, 90.f, -3.f, 3.f, -3.f, 1.f);
grid (1, 1);
grffin ();
grfini (-1.f, 1.f, -1.f, 1.f, 1.f, -1.f, 1.f, 1.f, 1.f);
shdpat (7L);
solid ();
areaf (ixp, iyp, 4);
grffin ();
disfin ();
}
/* >>>>>>>>>> EX10_3 <<<<<<<<<< */
void ex10_3 (void)
{ char cbuf[80];
float x[5] = {2., 4., 6., 8., 10.},
y1[5] = {0., 0., 0., 0., 0.},
y2[5] = {3.2, 1.5, 2.0, 1.0, 3.0};
int ic1ray[5] = {50, 150, 100, 200, 175},
ic2ray[5] = {50, 150, 100, 200, 175};
setpag ("da4p");
disini ();
pagera ();
hwfont ();
titlin ("3-D Bar Graph / 3-D Pie Chart", 2);
htitle (40);
shdpat (16L);
axslen (1500, 1000);
axspos (300, 1400);
barwth (0.5);
bartyp ("3dvert");
labels ("second", "bars");
labpos ("outside", "bars");
graf (0., 12., 0., 2., 0., 5., 0., 1.);
title ();
color ("red");
bars (x, y1, y2, 5);
endgrf ();
shdpat (16L);
labels ("data", "pie");
chnpie ("none");
pieclr (ic1ray, ic2ray, 5);
pietyp ("3d");
axspos (300, 2700);
piegrf (cbuf, 0, y2, 5);
disfin ();
}
/* >>>>>>>>>> EXA_8 <<<<<<<<<< */
void exa_8 (void)
{ int ixp[4], iyp[4], nl, nx, nx0 = 335, ny0 = 350, ny, i, j, ii, k, iclr;
static int ix[4] = {0, 300, 300, 0},
iy[4] = {0, 0, 400, 400};
static char *ctit = "Shading Patterns (AREAF)", cstr[3];
disini ();
setvlt ("small");
pagera ();
hwfont ();
height (50);
nl = nlmess (ctit);
nx = (2970 - nl) / 2;
messag (ctit, nx, 200);
iclr = 0;
for (i = 0; i < 3; i++)
{ ny = ny0 + i * 600;
for (j = 0; j < 6; j++)
{ nx = nx0 + j * 400;
ii = i * 6 + j;
shdpat ((long) ii);
sprintf (cstr, "%d", ii);
iclr = iclr % 8;
iclr++;
setclr (iclr);
for (k = 0; k < 4; k++)
{ ixp[k] = ix[k] + nx;
iyp[k] = iy[k] + ny;
}
areaf (ixp, iyp, 4);
nl = nlmess (cstr);
nx += (300 - nl) / 2;
messag (cstr, nx, ny + 460);
}
}
disfin ();
}
int main ( int argc, char *argv[] )
/******************************************************************************/
/*
Purpose:
CIRCLE_INOUT uses DISLIN to draw points in and out of a circle.
Licensing:
This code is distributed under the GNU LGPL license.
Modified:
01 May 2011
Author:
John Burkardt
Reference:
Helmut Michels,
The Data Plotting Software DISLIN - version 10.4,
Shaker Media GmbH, January 2010,
ISBN13: 978-3-86858-517-9.
*/
{
int i;
int j;
int m;
int n_circle = 100;
int n_in;
int n_out;
int pat;
float pi = 3.14159265;
float r;
float s;
float t;
float *x;
float *xy_in;
float *xy_out;
float *y;
printf ( "\n" );
printf ( "CIRCLE_INOUT:\n" );
printf ( " C version\n" );
printf ( " Use DISLIN routines to make a scatterplot.\n" );
/*
Read the data.
*/
r4mat_header_read ( "circle_in.txt", &m, &n_in );
xy_in = r4mat_data_read ( "circle_in.txt", m, n_in );
r4mat_header_read ( "circle_out.txt", &m, &n_out );
xy_out = r4mat_data_read ( "circle_out.txt", m, n_out );
/*
Specify the format of the output file.
*/
metafl ( "png" );
/*
Indicate that new data overwrites old data.
*/
filmod ( "delete" );
/*
Specify the name of the output graphics file.
*/
setfil ( "circle_inout.png" );
/*
Choose the page size and orientation.
'USA' is 2160 plot units wide and 2790 plot units high.
'P' requests PROFILE rather than LANDSCAPE orientation.
*/
setpag ( "usap" );
/*
For PNG output, use reverse the default black background to white.
*/
scrmod ( "reverse" );
/*
Open DISLIN.
*/
disini ( );
/*
Plot a border around the page.
*/
pagera ( );
/*
Use the COMPLEX font.
*/
complx ( );
/*
Set the axis origin 230 plot units to the right, and 2560 plot units DOWN.
*/
axspos ( 230, 2560 );
/*
Define the X and Y sizes of the axis system in plot units.
*/
axslen ( 1700, 1700 );
/*
Label the X and Y axes.
*/
name ( "<--- X --->", "X" );
name ( "<--- Y --->", "Y" );
/*
Relate the physical coordinates to the axes.
*/
graf ( 0.0, 1.0, 0.0, 0.1, 0.0, 1.0, 0.0, 0.1 );
/*
Define axis system titles.
*/
titlin ( "Random points inside/outside the unit circle", 1 );
/*
Draw the title.
*/
title ( );
/*
Add a grid, with one grid line for every tick mark in the X and Y axes.
*/
grid ( 1, 1 );
/*
Select the shading pattern.
*/
pat = 16;
shdpat ( pat );
/*
Set the color to blue.
*/
color ( "blue" );
/*
At every data point, draw a circle of radius 0.01.
*/
for ( i = 0; i < n_in; i++ )
{
rlcirc ( xy_in[0+i*2], xy_in[1+i*2], 0.01 );
}
/*
Set the color to red.
*/
color ( "red" );
/*
At every data point, draw a circle of radius 0.01.
*/
for ( i = 0; i < n_out; i++ )
{
rlcirc ( xy_out[0+i*2], xy_out[1+i*2], 0.01 );
}
/*
Draw a red circle.
*/
x = ( float * ) malloc ( n_circle * sizeof ( float ) );
y = ( float * ) malloc ( n_circle * sizeof ( float ) );
for ( i = 0; i < n_circle; i++ )
{
t = pi * ( float ) ( i ) / ( float ) ( n_circle - 1 );
x[i] = cos ( t );
y[i] = sin ( t );
}
thkcrv ( 10 );
curve ( x, y, n_circle );
/*
End this plot.
*/
endgrf ( );
/*
Free memory.
*/
free ( x );
free ( xy_in );
free ( xy_out );
free ( y );
/*
Close DISLIN.
*/
disfin ( );
/*
Terminate.
*/
printf ( "\n" );
printf ( "CIRCLE_INOUT:\n" );
printf ( " Normal end of execution.\n" );
return 0;
}
int main ( int argc, char *argv[] )
/******************************************************************************/
/*
Purpose:
MAIN demonstrates the use of bar graphs.
Modified:
09 April 2011
Reference:
Helmut Michels,
The Data Plotting Software DISLIN - version 10.4,
Shaker Media GmbH, January 2010,
ISBN13: 978-3-86858-517-9.
*/
{
static char cbuf[25];
static char *ctit = "Bar Graphs (BARS)";
int i;
int nya = 2700;
static float x[9] = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 };
static float y[9] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
static float y1[9] = { 1.0, 1.5, 2.5, 1.3, 2.0, 1.2, 0.7, 1.4, 1.1 };
static float y2[9] = { 2.0, 2.7, 3.5, 2.1, 3.2, 1.9, 2.0, 2.3, 1.8 };
static float y3[9] = { 4.0, 3.5, 4.5, 3.7, 4.0, 2.9, 3.0, 3.2, 2.6 };
printf ( "\n" );
printf ( "DISLIN_EX05:\n" );
printf ( " C version:\n" );
printf ( " Demonstrate the display of data in bar graphs.\n" );
/*
Specify the format of the output file.
*/
metafl ( "png" );
/*
Specify that if a file already exists of the given name,
the new data should overwrite the old.
*/
filmod ( "delete" );
/*
Specify the name of the output graphics file.
*/
setfil ( "dislin_ex05.png" );
/*
Choose the page size and orientation.
*/
setpag ( "usap" );
/*
For PNG output, reverse the default black background to white.
*/
scrmod ( "reverse" );
/*
Open DISLIN.
*/
disini ( );
/*
Plot a border around the page.
*/
pagera ( );
/*
Use the COMPLEX font.
*/
complx ( );
ticks ( 1, "x" );
intax ( );
axslen ( 1600, 700 );
titlin ( ctit, 3 );
legini ( cbuf, 3, 8 );
leglin ( cbuf, "FIRST", 1 );
leglin ( cbuf, "SECOND", 2 );
leglin ( cbuf, "THIRD", 3 );
legtit ( " " );
shdpat ( 5L );
for ( i = 1; i <= 3; i++ )
{
if ( 1 < i )
{
labels ( "none", "x" );
}
axspos ( 300, nya-(i-1)*800 );
graf ( 0.0, 10.0, 0.0, 1.0, 0.0, 5.0, 0.0, 1.0 );
if ( i == 1 )
{
bargrp ( 3, 0.15 );
color ( "red" );
bars ( x, y, y1, 9 );
color ( "green" );
bars ( x, y, y2, 9 );
color ( "blue" );
bars ( x, y, y3, 9 );
color ( "fore" );
reset ( "bargrp" );
}
else if ( i == 2 )
{
height ( 30 );
labels ( "delta", "bars" );
labpos ( "center", "bars" );
color ( "red" );
bars ( x, y, y1, 9 );
color ( "green" );
bars ( x, y1, y2, 9 );
color ( "blue" );
bars ( x, y2, y3, 9 );
color ( "fore" );
reset ( "height" );
}
else if ( i == 3 )
{
labels ( "second", "bars" );
labpos ( "outside", "bars" );
color ( "red" );
bars ( x, y, y1, 9 );
color ( "fore" );
}
if ( i < 3 )
{
legend ( cbuf, 7 );
}
else
{
height ( 50 );
title ( );
}
endgrf ( );
}
/*
Close DISLIN.
*/
disfin ( );
/*
Terminate.
*/
printf ( "\n" );
printf ( "DISLIN_EX05:\n" );
printf ( " Normal end of execution.\n" );
return 0;
}
/* >>>>>>>>>> EX10_1 <<<<<<<<<< */
void ex10_1 (void)
{ int nya = 2700, i;
static char *ctit = "Bar Graphs (BARS)", cbuf[25];
static float x[9] = {1.f, 2.f, 3.f, 4.f, 5.f, 6.f, 7.f, 8.f, 9.f},
y[9] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f},
y1[9] = {1.f, 1.5f, 2.5f, 1.3f, 2.0f, 1.2f, 0.7f, 1.4f, 1.1f},
y2[9] = {2.f, 2.7f, 3.5f, 2.1f, 3.2f, 1.9f, 2.0f, 2.3f, 1.8f},
y3[9] = {4.f, 3.5f, 4.5f, 3.7f, 4.0f, 2.9f, 3.0f, 3.2f, 2.6f};
setpag ("da4p");
disini ();
pagera ();
hwfont ();
ticks (1, "x");
intax ();;
axslen (1600, 700);
titlin (ctit, 3);
legini (cbuf, 3, 8);
leglin (cbuf, "FIRST", 1);
leglin (cbuf, "SECOND", 2);
leglin (cbuf, "THIRD", 3);
legtit (" ");
shdpat (5L);
for (i = 1; i <= 3; i++)
{ if (i > 1) labels ("none", "x");
axspos (300, nya - (i - 1) * 800);
graf (0.f, 10.f, 0.f, 1.f, 0.f, 5.f, 0.f, 1.f);
if (i == 1)
{ bargrp (3, 0.15f);
color ("red");
bars (x, y, y1, 9);
color ("green");
bars (x, y, y2, 9);
color ("blue");
bars (x, y, y3, 9);
color ("fore");
reset ("bargrp");
}
else if (i == 2)
{ height (30);
labels ("delta", "bars");
labpos ("center", "bars");
color ("red");
bars (x, y, y1, 9);
color ("green");
bars (x, y1, y2, 9);
color ("blue");
bars (x, y2, y3, 9);
color ("fore");
reset ("height");
}
else if (i == 3)
{ labels ("second", "bars");
labpos ("outside", "bars");
color ("red");
bars (x, y, y1, 9);
color ("fore");
}
if (i != 3) legend (cbuf, 7);
if (i == 3)
{ height (50);
title ();
}
endgrf ();
}
disfin ();
}
