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Cream of the Crop 22
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Cream of the Crop 22.iso
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splot170.zip
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MYLIB.H
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1995-01-19
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/* to be included subroutines file mylib.h */
int anvil()
{
/* draw a sapphire anvil */
newpath();
moveto(0,0);
rlineto(0,0.5,0.5,0.5,0.5,0,0.5,-0.5,0,-0.5);
stroke();
}
int screw(double len)
{
int i,j;
/* draw a screw using a loop for */
/* the threads */
newpath();
moveto(0,0);
rlineto(0.25,0,0,0.25,-0.5,0,0,-0.25);
closepath();
moveto(0.15,0);
rlineto(0,-len,-0.3,0,0,len);
moveto(-0.15,0);
j = (int) (len / 0.2);
for (i=0;i < j;i++)
{
rmoveto(0.3,0);
rlineto(-0.30,-0.20);
}
stroke();
}
int heater()
{
int i;
/* draw a heater using a loop */
/* for the windings */
double y = 0;
newpath();
moveto(0,0);
for (i=0;i < 5;i++)
{
moveto(0.1,y);
arcn(0,y,0.1,360,0);
y = y + 0.4;
}
stroke();
}
int slit()
{
/* draw a spectrometer slit */
newpath();
moveto(0,0);
rlineto(0,1.5,0.25,0,0,-1.25);
closepath();
stroke();
}
int driver()
{
/* draw long screw drivers */
newpath();
moveto(0,0);
rlineto(0.15,0,0,0.25,0.1,0,0,10.8);
moveto(0,0);
rlineto(-0.15,0,0,0.25,-0.1,0,0,10.8);
stroke();
}
int white_box(double x1,double y1,double x2,double y2)
{
/* draw a white filled box for */
/* white out purposes. The parametrs */
/* passed in are the box corners */
newpath();
box(x1,y1,x2,y2);
gsave();
set(LINECOLOUR,WHITE);
fill();
grestore();
}
int lens()
{
/* draw a spherical lens using arcs */
newpath();
arcn(0,-4,4,110,70);
arcn(0,3.45,4,290,250);
closepath();
stroke();
}
int prism()
{
/* draw a prism */
newpath();
moveto(0,0.5);
rlineto(0,-0.5,0.5,0);
closepath();
stroke();
}
int tail()
{
/* draw the dewar tail */
set(LINECOLOUR,BLACK);
moveto(2.44,30);
lineto(2.44,6.33,7.77,6.33,7.77,30);
stroke();
/* draw windows */
set(LINECOLOUR,BROWN);
white_box(2.29,12.30,2.59,9.41);
stroke();
white_box(7.62,12.30,7.92,9.41);
stroke();
}