void
plotInit()
{
int x_1, y_1, z_1, x_2, y_2, z_2;
if (plotfp == NULL)
return;
x_1 = (int) rtip->mdl_min[X] - 1;
y_1 = (int) rtip->mdl_min[Y] - 1;
z_1 = (int) rtip->mdl_min[Z] - 1;
x_2 = (int) rtip->mdl_max[X] + 1;
y_2 = (int) rtip->mdl_max[Y] + 1;
z_2 = (int) rtip->mdl_max[Z] + 1;
pl_3space(plotfp, x_1, y_1, z_1, x_2, y_2, z_2);
return;
}
/*
* P L O T _ O P E N
*
* Fire up the display manager, and the display processor.
*
*/
struct dm *
plot_open(Tcl_Interp *interp, int argc, const char *argv[])
{
static int count = 0;
struct dm *dmp;
Tcl_Obj *obj;
BU_ALLOC(dmp, struct dm);
*dmp = dm_plot; /* struct copy */
dmp->dm_interp = interp;
BU_ALLOC(dmp->dm_vars.priv_vars, struct plot_vars);
obj = Tcl_GetObjResult(interp);
if (Tcl_IsShared(obj))
obj = Tcl_DuplicateObj(obj);
bu_vls_init(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls);
bu_vls_init(&dmp->dm_pathName);
bu_vls_init(&dmp->dm_tkName);
bu_vls_printf(&dmp->dm_pathName, ".dm_plot%d", count++);
bu_vls_printf(&dmp->dm_tkName, "dm_plot%d", count++);
/* skip first argument */
--argc; ++argv;
/* Process any options */
((struct plot_vars *)dmp->dm_vars.priv_vars)->is_3D = 1; /* 3-D w/color, by default */
while (argv[0] != (char *)0 && argv[0][0] == '-') {
switch (argv[0][1]) {
case '3':
break;
case '2':
((struct plot_vars *)dmp->dm_vars.priv_vars)->is_3D = 0; /* 2-D, for portability */
break;
case 'g':
((struct plot_vars *)dmp->dm_vars.priv_vars)->grid = 1;
break;
case 'f':
((struct plot_vars *)dmp->dm_vars.priv_vars)->floating = 1;
break;
case 'z':
case 'Z':
/* Enable Z clipping */
Tcl_AppendStringsToObj(obj, "Clipped in Z to viewing cube\n", (char *)NULL);
dmp->dm_zclip = 1;
break;
default:
Tcl_AppendStringsToObj(obj, "bad PLOT option ", argv[0], "\n", (char *)NULL);
(void)plot_close(dmp);
Tcl_SetObjResult(interp, obj);
return DM_NULL;
}
argv++;
}
if (argv[0] == (char *)0) {
Tcl_AppendStringsToObj(obj, "no filename or filter specified\n", (char *)NULL);
(void)plot_close(dmp);
Tcl_SetObjResult(interp, obj);
return DM_NULL;
}
if (argv[0][0] == '|') {
bu_vls_strcpy(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls, &argv[0][1]);
while ((++argv)[0] != (char *)0) {
bu_vls_strcat(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls, " ");
bu_vls_strcat(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls, argv[0]);
}
((struct plot_vars *)dmp->dm_vars.priv_vars)->is_pipe = 1;
} else {
bu_vls_strcpy(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls, argv[0]);
}
if (((struct plot_vars *)dmp->dm_vars.priv_vars)->is_pipe) {
if ((((struct plot_vars *)dmp->dm_vars.priv_vars)->up_fp =
popen(bu_vls_addr(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls), "w")) == NULL) {
perror(bu_vls_addr(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls));
(void)plot_close(dmp);
Tcl_SetObjResult(interp, obj);
return DM_NULL;
}
Tcl_AppendStringsToObj(obj, "piped to ",
bu_vls_addr(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls),
"\n", (char *)NULL);
} else {
if ((((struct plot_vars *)dmp->dm_vars.priv_vars)->up_fp =
fopen(bu_vls_addr(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls), "wb")) == NULL) {
perror(bu_vls_addr(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls));
(void)plot_close(dmp);
Tcl_SetObjResult(interp, obj);
return DM_NULL;
}
Tcl_AppendStringsToObj(obj, "plot stored in ",
bu_vls_addr(&((struct plot_vars *)dmp->dm_vars.priv_vars)->vls),
"\n", (char *)NULL);
}
setbuf(((struct plot_vars *)dmp->dm_vars.priv_vars)->up_fp,
((struct plot_vars *)dmp->dm_vars.priv_vars)->ttybuf);
if (((struct plot_vars *)dmp->dm_vars.priv_vars)->is_3D)
pl_3space(((struct plot_vars *)dmp->dm_vars.priv_vars)->up_fp,
-2048, -2048, -2048, 2048, 2048, 2048);
else
pl_space(((struct plot_vars *)dmp->dm_vars.priv_vars)->up_fp,
-2048, -2048, 2048, 2048);
MAT_IDN(plotmat);
Tcl_SetObjResult(interp, obj);
return dmp;
}
