int main(int argc, char *argv[])
{
XYZ xyz = { 0.0, 0.0, 0.0 }; /* Position */
XYZ right = { 0.05, 0.0, 0.0 }; /* Right vector */
XYZ up = { 0.0, 0.05, 0.0 }; /* Up vector */
COLOUR col = { 1.0, 1.0, 0.0 }; /* Colour */
char text[32]; /* Text */
float sp = 5.0; /* Speed */
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 */
sp = ss2qss(); /* Get spin speed */
sprintf(text,"Speed = %5.2f",sp); /* Prepare the text */
ns2vtext(xyz, right, up, col, text); /* Right some text */
s2lab("","","","Use * and / to control the spin speed");
ss2sas(1); /* Start camera rotating */
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); /* 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;
}
nemo_main()
{
permanent bool first=TRUE;
int argc = 1;
static char *argv[] = {"snaps2plot", NULL};
float size = 1.0;
extern string yapp_string;
setparams();
/* also: check env var S2PLOT_DEV */
#if 0
s2opend("/?", argc, argv);
#else
s2opendo(yapp_string);
#endif
s2swin((float)xrange[0], (float)xrange[1],
(float)yrange[0], (float)yrange[1],
(float)zrange[0], (float)zrange[1]);
s2box(s2box_opt,0,0,s2box_opt,0,0,s2box_opt,0,0);
s2lab(xlabel,ylabel,zlabel,input);
instr = stropen(input, "r");
get_history(instr);
compfuncs();
#ifdef COLOR
setcolors();
#endif
while (scansnap()) {
if (! trakflag) {
if (first) {
first = FALSE;
} else {
sleep(FRAMEDELAY);
plframe();
}
}
plotsnap();
warning("Can only do first selected snapshot");
s2show(1);
/* how to clear and advance to next snapshot */
}
}
void cb(double *t, int *kc)
{
int N = 100; /* Number of points */
static int flag = -1; /* Flag for initialisation */
static XYZ xyz[100]; /* Array of point positions */
static COLOUR col[100]; /* Array of colours */
int i; /* Loop variable */
if (flag < 0) { /* First time through? */
for (i=0;i<N;i++) {
xyz[i].x = drand48()*2.0 - 1.0; /* Random data positions */
xyz[i].y = drand48()*2.0 - 1.0;
xyz[i].z = drand48()*2.0 - 1.0;
col[i].r = drand48(); /* Random data colours */
col[i].g = drand48();
col[i].b = drand48();
}
flag = 1; /* Set the flag */
}
s2swin(-0.8,0.8,-0.8,0.8,-0.8,0.8); /* Set new plotting window */
for (i=0;i<N;i++) {
ns2vthpoint(xyz[i], col[i], 3); /* Draw the point */
}
if (*kc % 2 == 1) /* Check for keyboard press */
s2twc(1); /* Turn on clipping */
else
s2twc(0); /* Turn off clipping */
int wc = s2qwc(); /* Query clipping state */
char text[32];
sprintf(text, "Clipping state: %d\n",wc); /* Prepare a text string */
s2textxy(0.0,0.0,0.0, text); /* Display text string */
s2lab("","","","Press <space> to toggle clipping state");
}
int main(int argc, char *argv[])
{
char xopt[] = "BCDETMNOPQ";
char yopt[] = "BCDETMNOPQ";
char zopt[] = "BCDETMNOPQ";
s2opend("/?",argc, argv); /* Open the display */
s2swin(-1.,1., -1.,1., -1.,1.); /* Set the window coordinates */
s2box(xopt, 0,0, yopt, 0,0, zopt, 0,0); /* Draw the coordinate box */
s2lab("X-axis","Y-axis","Z-axis","Plot"); /* Write some labels */
XYZ xyz1 = { -0.8, -0.8, -0.8 }; /* Box coordinate */
XYZ xyz2 = { +0.8, +0.8, +0.8 }; /* Box coordinate */
COLOUR col = { 1.0, 0.3, 0.2 }; /* RGB colours */
float alpha = 0.4; /* Alpha channel transparency */
ns2vscube(xyz1, xyz2, col, alpha);
s2show(1); /* Open the s2plot window */
return 1;
}
void cb(double *t, int *kc)
{
int N = 100; /* Number of points */
static int flag = -1; /* Flag for initialisation */
static XYZ xyz[100]; /* Array of point positions */
static COLOUR col[100]; /* Array of colours */
int i; /* Loop variable */
if (flag < 0) { /* First time through? */
for (i=0;i<N;i++) {
xyz[i].x = drand48()*2.0 - 1.0; /* Random data positions */
xyz[i].y = drand48()*2.0 - 1.0;
xyz[i].z = drand48()*2.0 - 1.0;
col[i].r = drand48(); /* Random data colours */
col[i].g = drand48();
col[i].b = drand48();
}
flag = 1; /* Set the flag */
}
for (i=0;i<N;i++) {
ns2vthpoint(xyz[i], col[i], 3); /* Draw the point */
}
static int lkc = 1; /* Last time <space> key pressed */
if (lkc != *kc) /* Check for keyboard press */
ss2sca(drand48()*70 + 20); /* Set the camera aperture */
lkc = *kc; /* Update key press */
int wc = ss2qca(); /* Query camera aperture */
char text[64];
sprintf(text, "Aperture %d degrees\n",wc); /* Prepare a text string */
s2textxy(0.0,0.0,0.0, text); /* Display text string */
s2lab("","","","Press <space> to change camera aperture");
}
void cb(double *t, int *kc)
/* Dynamic callback function */
{
XYZ rot;
int wc = 1; /* Use world coordinates */
XYZ off = { 0.01, 0.01, 0.0 }; /* Small offset for text */
int set;
char string[255];
s2sch(0.05); /* Set the text height */
if (*kc%2 == 0) {
ss2qpr(&rot, wc); /* Query the rotation point */
sprintf(string,"Rotation about (%.2f, %.2f, %.2f)",rot.x,rot.y,rot.z);
XYZ xyz = { 0.5, 0.5, 0.5 };
ss2scf(xyz, wc); /* Set the camera focus */
} else {
ss2qcf(&set, &rot, wc); /* Query the camera focus */
sprintf(string,"Focus at (%.2f, %.2f, %.2f)",rot.x,rot.y,rot.z);
}
ds2vtb(rot, off,string,1); /* Write some dynamic billboard text */
s2lab("","","","<space> to toggle mode");
/* Display an instructional label */
}
