int main(int argc, char *argv[])
{
int i, N = 20;
float x[20], y[20], z[20]; /* Static geometry */
srand48((long)time(NULL)); /* Seed random numbers */
for (i=0;i<N;i++) {
x[i] = drand48()*4.0-2.0; /* Random positions */
y[i] = drand48()*4.0-2.0;
z[i] = drand48()*4.0-2.0;
}
s2opend("/?",argc, argv); /* Open the display */
s2swin(-2.,2., -2.,2., -2.,2.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
cs2scb(&cb); /* Install the callback */
cs2sncb(&ncb); /* Install number callback */
s2slw(4); /* Set line width */
s2sci(S2_PG_YELLOW);
s2pt(N,x,y,z,1); /* Draw static data */
s2slw(1);
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
int i; /* Loop variable */
XYZ xyz; /* Coordinate for plotting points */
COLOUR col; /* Colour of plotted points */
s2opend("/S2MONO",argc,argv); /* Query the s2plot device to use */
s2swin(-1.,1.,-1.,1.,-1.,1.); /* Set the world coordinates */
s2box("BCDE",0,0,"BCDE",0,0,"BCDE",0,0); /* Draw a coordinate box */
srand48((long)time(NULL)); /* Seed the random number generator */
for (i=0;i<1000;i++) { /* Generate and plot random points */
xyz.x = drand48()*2.0 - 1.0; /* with random colours */
xyz.y = drand48()*2.0 - 1.0;
xyz.z = drand48()*2.0 - 1.0;
col.r = drand48();
col.g = drand48();
col.b = drand48();
ns2vpoint(xyz, col);
}
ss2sas(1); /* Start the geometry auto-spinning */
cs2scb(cb); /* Install a dynamic callback */
s2show(1); /* Display the geometry */
return 0;
}
int main(int argc, char *argv[])
{
int width = 16, height = 16; /* Dimensions of texture */
int i, j; /* Loop variables */
int idx; /* Index into texture array */
unsigned char *tex; /* Array of texture values */
srand48((long)time(NULL)); /* Seed random numbers */
s2opend("/?",argc,argv); /* Open the display */
s2svp(-1.0,1.0, -1.0,1.0, -1.0,1.0); /* Set the viewport coords */
s2swin(-1.0,1.0, -1.0,1.0, -1.0,1.0); /* Set the window coordinates */
s2box("BCDE",0,0,"BCDE",0,0,"BCDE",0,0); /* Draw a bounding box */
tid = ss2ct(width, height); /* Create a new texture */
tex = ss2gt(tid, &width, &height); /* Get the texture */
for (j=0;j<height;j++) {
for (i=0;i<width;i++) {
idx = (j*width + i) * 4; /* Stored as (r,g,b,alpha) */
tex[idx ] = 127*drand48()+128; /* Randomish red */
tex[idx+1] = 0; /* Green */
tex[idx+2] = 0; /* Blue */
/* Do nothing to alpha */
}
}
ss2pt(tid); /* Push texture for usage */
cs2scb(&cb); /* Install a callback */
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
fprintf(stderr,"Resize window to see change in panel size");
s2opend("/s2mono", argc, argv); /* Open in mono mode */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
cs2scb(cb); /* Install dynamic callback */
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
s2opend("/?",argc, argv); /* Open the display */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
cs2scb(&cb); /* Install callback */
cs2sncb(&numcb); /* Install number callback */
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
srand48((long)time(NULL)); /* Seed random numbers */
s2opend("/s2mono",argc, argv); /* Open the display: mono */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDE",0,0,"BCDE",0,0,"BCDE",0,0); /* Draw coordinate box */
s2lab("","","","Press < and > to change camera movement increment, then +/- to test zooming\n");
cs2scb(cb); /* Install dynamic callback */
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
srand48((long)time(NULL)); /* Seed random numbers */
s2opend("/?",argc, argv); /* Open the display */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
cs2scb(cb); /* Install a dynamic callback */
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
int Nx = 32, Ny = 32, Nz = 32; /* Texture dimensions */
int w,h,d; /* Returned dimensions */
s2opend("/?",argc,argv); /* Open the s2plot display device */
s2swin(-1,1,-1,1,-1,1); /* Set the world coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0);
texid = ss2c3dt(Nx, Ny, Nz); /* Create a new 3d texture */
unsigned char *bits = (unsigned char *)ss2g3dt(texid, &w, &h, &d);
/* Get the texture data for modification */
int i, j, k;
long idx;
float x,y,z;
for (i=0;i<Nx;i++) {
x = -1.0 + i*(2.0/(float)(Nx-1));
for (j=0;j<Ny;j++) {
y = -1.0 + j*(2.0/(float)(Ny-1));
for (k=0;k<Nz;k++) {
z = -1.0 + k*(2.0/(float)(Nz-1));
idx = ((i*Ny + j)*Nz + k)*4;
if ((x*x + y*y + z*z) < 1.0) { /* 3D solid red sphere */
bits[idx + 1 ] = 255;
ns2point(x,y,z,1,1,1); /* Plot point in sphere */
} else {
bits[idx + 0 ] = 0;
}
bits[idx + 1 ] = 0; /* Blue channel */
bits[idx + 2 ] = 0; /* Green channel */
bits[idx + 3 ] = 255; /* Alpha channel */
}
}
}
fprintf(stderr, "3d texture IS %d x %d x %d\n", w, h, d);
ss2pt(texid); /* Push back the texture */
cs2scb(cb); /* Install a dynamic callback */
s2show(1); /* Display the geometry */
return 0;
}
int main(int argc, char *argv[])
{
srand48((long)time(NULL)); /* Seed random numbers */
s2opend("/?", argc, argv); /* Prompt for display type */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
cs2scb(cb); /* Install dynamic geometry callback */
cs2sncb(ncb); /* Install number key press callback */
char string[128]; /* Write instruction label */
sprintf(string,"Press 1 to protect, press 2 to unprotect");
s2lab("","","",string);
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
int i; /* Loop varibale */
float x, y, z; /* Random data */
srand48((long)time(NULL)); /* Seed random numbers */
fprintf(stderr,"Shift-s to toggle handles\nShift-c to toggle crosshair\n");
fprintf(stderr,"Right mouse select\nSpacebar toggle show all/show sel\n");
s2opend("/?",argc, argv); /* Open the display */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
for (i=0;i<N;i++) { /* Set-up globals */
xyz[i].x = drand48()*2.0 - 1.0; /* Random position */
xyz[i].y = drand48()*2.0 - 1.0;
xyz[i].z = drand48()*2.0 - 1.0;
col[i].r = drand48(); /* Random colour */
col[i].g = drand48();
col[i].b = drand48();
sel[i] = 0; /* Not currently selected */
}
cs2scb(&cb); /* Install dynamic callback */
cs2shcb(&pick); /* Install handle callback */
s2slw(2); /* Set line width */
for (i=0;i<N;i++) { /* Non-selectable random data points */
x = drand48()*2.0 - 1.0;
y = drand48()*2.0 - 1.0;
z = drand48()*2.0 - 1.0;
s2sci(15*drand48() + 1); /* Random colour */
s2pt1(x,y,z,1);
}
s2show(1); /* Open the s2plot window */
return 1;
}
int main(int argc, char *argv[])
{
s2opend("/s2mono", argc, argv); /* Open in mono mode */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0); /* Draw coordinate box */
xs2mp(master_panel, 0.0, 0.5, 0.5, 1.0); /* Move to top left */
slave_panel = xs2ap(0.5, 0.0, 1.0, 0.5); /* Create panel in bottom right */
xs2cp(slave_panel); /* Choose this panel */
s2swin(-2.,2., -2.,2., -2.,2.); /* Set the window coordinates */
s2box("BCDE",0,0,"BCDE",0,0,"BCDE",0,0); /* Draw coordinate box */
xs2cp(master_panel); /* Go back to main panel */
cs2scb(cb); /* Install dynamic callback */
fprintf(stderr,"Press <tab> to switch between panels\n");
fprintf(stderr,"Press <spacebar> to link cameras together - cannot be undone\n");
fprintf(stderr,"Futher presses of <spacebar> toggle panel visiblity\n");
s2show(1); /* Open the s2plot window */
return 1;
}