static void draw (QCADDesignObject *obj, GdkDrawable *dst, GdkFunction rop, GdkRectangle *rcClip)
{
int Nix, Nix1 ;
QCADClockingLayer *clocking_layer = QCAD_CLOCKING_LAYER (obj) ;
QCADLayer *layer = QCAD_LAYER (obj) ;
GdkGC *gc = NULL ;
double potential ;
GList *llItr = NULL ;
double x, y;
QCAD_DESIGN_OBJECT_CLASS (g_type_class_peek (g_type_parent (QCAD_TYPE_CLOCKING_LAYER)))->draw (obj, dst, rop, rcClip) ;
gc = gdk_gc_new (dst) ;
gdk_gc_set_foreground (gc, clr_idx_to_clr_struct (RED)) ;
gdk_gc_set_background (gc, clr_idx_to_clr_struct (RED)) ;
gdk_gc_set_clip_rectangle (gc, rcClip) ;
if (NULL != layer->lstObjs && clocking_layer->bDrawPotential)
{
GdkPixbuf *pb = NULL ;
pb = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, clocking_layer->tile_size, clocking_layer->tile_size) ;
for (Nix = 0; Nix < Nx; Nix++) {
x = xmin+dx*Nix;
for (Nix1 = 0; Nix1 < Ny; Nix1++) {
y = ymin+dy*Nix1;
potential = get_potential (x, y, clocking_layer->z_to_draw, Nx, Ny, Nz, dx, dy, dz, xmin, ymin) ;
/*
if (fabs (potential) < clocking_layer->dExtremePotential / 100.0)
{
fprintf (stderr, "Potential too small - breaking out\n") ;
// continue ;
}
*/
gdk_pixbuf_fill (pb,
((potential > 0) ? 0xFF000000 : 0x0000FF00) | (((int)((fabs (potential) / clocking_layer->dExtremePotential) * 128.0)) & 0xFF)) ;
// fprintf (stderr, "opacity = %lf/%lf * 255\n", potential, clocking_layer->dExtremePotential) ;
gdk_draw_pixbuf (dst, gc, pb, 0, 0, Nix * clocking_layer->tile_size, Nix1 * clocking_layer->tile_size, clocking_layer->tile_size, clocking_layer->tile_size, GDK_RGB_DITHER_NONE, 0, 0) ;
//gdk_draw_pixbuf (dst, gc, pb, 0, 0, Nix * clocking_layer->tile_size, Nix1 * clocking_layer->tile_size, clocking_layer->tile_size, clocking_layer->tile_size, GDK_RGB_DITHER_NONE, 0, 0) ;
// gdk_draw_rectangle (dst, gc, TRUE,
// Nix * clocking_layer->tile_size + (clocking_layer->tile_size >> 1) - 2,
// Nix1 * clocking_layer->tile_size + (clocking_layer->tile_size >> 1) - 2,
// 5, 5) ;
}
}
g_object_unref (pb) ;
}
g_object_unref (gc) ;
}
void nemo_main()
{
stream outstr;
potential = get_potential(getparam("potname"),
getparam("potpars"), getparam("potfile"));
rmin = getdparam("rmin");
rmax = getdparam("rmax");
rref = rmax;
if (hasvalue("rref")) rref = getdparam("rref");
Qkey = hasvalue("key");
if (Qkey) key = getiparam("key");
Qconstant = getbparam("constant");
ndisk = getiparam("nbody");
jz_sign = getiparam("sign");
nmodel = getiparam("nmodel");
totmass = getdparam("mass");
offset = getdparam("phase") * PI / 180.0;
Qtest = getbparam("test");
Quniform = getbparam("uniform");
if (ABS(jz_sign) != 1) error("sign must be +1 or -1");
Qlinear = hasvalue("k");
if (Qlinear)
SPk = getdparam("k"); /* corrected for rot counter clock wise */
else if (hasvalue("pitch"))
pitch = getdparam("pitch"); /* corrected for rot counter clock wise */
else
error("Either k= (linear) or pitch= (logarithmic) spiral indicator needed");
init_xrandom(getparam("seed"));
outstr = stropen(getparam("out"), "w");
put_history(outstr);
if (hasvalue("headline"))
set_headline(getparam("headline"));
setdensity();
while (nmodel--) {
testdisk(nmodel);
writegalaxy(outstr);
}
strclose(outstr);
free(disk);
}
startrun()
{
string restfile, contfile;
bool scanopt();
proc get_potential();
infile = getparam("in"); /* set I/O file names */
outfile = getparam("out");
restfile = getparam("restart");
contfile = getparam("continue");
savefile = getparam("save");
options = getparam("options"); /* set control options */
debug = getbparam("hdebug");
if (debug)
dprintf(0,"hdebug is turned on");
nrigid = getiparam("nrigid");
if (*contfile) /* resume interrupted run */
restorestate(contfile);
else if (*restfile) { /* resume w/ new parameters */
restorestate(restfile);
/* NOTE: someday, I will have a way to tell which, if any, of these *
* parameters are actually input from the command line, and only *
* change them. ANY NON-DEFAULT ARGS MUST BE SPECIFIED AT RESTART. */
eps = getdparam("eps"); /* get modified params */
tol = getdparam("tol");
options = getparam("options"); /* restorestate overwrite */
fcells = getdparam("fcells");
tstop = getdparam("tstop");
freqout = getdparam("freqout");
minor_freqout = getdparam("minor_freqout");
if (scanopt(options, "new_tout")) { /* reset output times? */
tout = tnow + 1 / freqout; /* offset from present */
minor_tout = tnow + 1 / minor_freqout;
}
} else { /* start new calculation */
if (*infile) /* was data file given? */
inputdata(infile); /* read inital data */
else { /* make initial conds? */
nbody = getiparam("nbody"); /* get nbody parameter */
if (nbody < 1) /* is value absurd? */
error("startrun: absurd nbody\n");
init_xrandom(getparam("seed")); /* set random generator */
testdata(getbparam("cencon")); /* make test model */
}
freq = getdparam("freq"); /* get various parameters */
eps = getdparam("eps");
tol = getdparam("tol");
fcells = getdparam("fcells");
tstop = getdparam("tstop");
freqout = getdparam("freqout");
minor_freqout = getdparam("minor_freqout");
nstep = 0; /* start counting steps */
minor_tout = tout = tnow; /* schedule first output */
SETVS(rmin, -2.0); /* init box scaling */
rsize = -2.0 * rmin[0];
}
contfile = getparam("potname");
if (*contfile) {
extpot = get_potential(contfile,
getparam("potpars"),getparam("potfile"));
}
}
int main(int argc, char **argv){
/*positions of all particles*/
FLOAT *x;
FLOAT *y;
FLOAT *z;
/*velocities of all particles*/
FLOAT *v_x;
FLOAT *v_y;
FLOAT *v_z;
/*accelerations of all particles*/
FLOAT *a_x;
FLOAT *a_y;
FLOAT *a_z;
/*terms for runge-kutta*/
FLOAT *a_x_old;
FLOAT *a_y_old;
FLOAT *a_z_old;
FLOAT *k_1_x;
FLOAT *k_1_y;
FLOAT *k_1_z;
FLOAT *k_1_v_x;
FLOAT *k_1_v_y;
FLOAT *k_1_v_z;
FLOAT *k_2_x;
FLOAT *k_2_y;
FLOAT *k_2_z;
FLOAT *k_2_v_x;
FLOAT *k_2_v_y;
FLOAT *k_2_v_z;
FLOAT *k_3_x;
FLOAT *k_3_y;
FLOAT *k_3_z;
FLOAT *k_3_v_x;
FLOAT *k_3_v_y;
FLOAT *k_3_v_z;
FLOAT *k_4_x;
FLOAT *k_4_y;
FLOAT *k_4_z;
FLOAT *k_4_v_x;
FLOAT *k_4_v_y;
FLOAT *k_4_v_z;
FLOAT *xtemp;
FLOAT *ytemp;
FLOAT *ztemp;
FLOAT *v_xtemp;
FLOAT *v_ytemp;
FLOAT *v_ztemp;
FLOAT *a_xtemp;
FLOAT *a_ytemp;
FLOAT *a_ztemp;
/*masses*/
FLOAT *mass;
/*timestep variables*/
FLOAT h= 0.001;
int n_steps = (int)(100/h);
int n_points = 3;
FLOAT radius = 100.0;
FLOAT unit_mass = 1.0;
FLOAT vel_initial = sqrt((11.0/3.0) * G_GRAV * unit_mass / (sqrt(3.0)*radius));
FLOAT kinetic;
FLOAT potential;
int i,j,k;
/*memory allocation*/
x = get_memory(n_points);
y = get_memory(n_points);
z = get_memory(n_points);
v_x = get_memory(n_points);
v_y = get_memory(n_points);
v_z = get_memory(n_points);
a_x = get_memory(n_points);
a_y = get_memory(n_points);
a_z = get_memory(n_points);
mass = get_memory(n_points);
k_1_x = get_memory(n_points);
k_1_y = get_memory(n_points);
k_1_z = get_memory(n_points);
k_1_v_x = get_memory(n_points);
k_1_v_y = get_memory(n_points);
k_1_v_z = get_memory(n_points);
k_2_x = get_memory(n_points);
k_2_y = get_memory(n_points);
k_2_z = get_memory(n_points);
k_2_v_x = get_memory(n_points);
k_2_v_y = get_memory(n_points);
k_2_v_z = get_memory(n_points);
k_3_x = get_memory(n_points);
k_3_y = get_memory(n_points);
k_3_z = get_memory(n_points);
k_3_v_x = get_memory(n_points);
k_3_v_y = get_memory(n_points);
k_3_v_z = get_memory(n_points);
k_4_x = get_memory(n_points);
k_4_y = get_memory(n_points);
k_4_z = get_memory(n_points);
k_4_v_x = get_memory(n_points);
k_4_v_y = get_memory(n_points);
k_4_v_z = get_memory(n_points);
xtemp = get_memory(n_points);
ytemp = get_memory(n_points);
ztemp = get_memory(n_points);
v_xtemp = get_memory(n_points);
v_ytemp = get_memory(n_points);
v_ztemp = get_memory(n_points);
a_xtemp = get_memory(n_points);
a_ytemp = get_memory(n_points);
a_ztemp = get_memory(n_points);
initialize_pos(x,y,z, n_points, radius);
initialize_vel(v_x,v_y,v_z, n_points, vel_initial, radius);
initialize_mass(mass, n_points, unit_mass);
/*implementation of a second order runge kutta integration*/
FILE *in;
in = fopen("3cuerpos.dat","w");
for(i=0;i<n_steps;i++){
a_x_old = a_x;
a_y_old = a_y;
a_z_old = a_z;
get_acceleration(a_x, a_y, a_z, x, y, z, mass, n_points);
for(j=0;j<n_points;j++){
k_1_x[j] = v_x[j];
k_1_y[j] = v_y[j];
k_1_z[j] = v_z[j];
k_1_v_x[j] = a_x[j];
k_1_v_y[j] = a_y[j];
k_1_v_z[j] = a_z[j];
//FIRST STEP
xtemp[j] = x[j] + (h/2.0)*k_1_x[j];
ytemp[j] = y[j] + (h/2.0)*k_1_y[j];
ztemp[j] = z[j] + (h/2.0)*k_1_z[j];
v_xtemp[j] = v_x[j] + (h/2.0)*k_1_v_x[j];
v_ytemp[j] = v_y[j] + (h/2.0)*k_1_v_y[j];
v_ztemp[j] = v_z[j] + (h/2.0)*k_1_v_z[j];
k_2_x[j] = v_xtemp[j];
k_2_y[j] = v_ytemp[j];
k_2_z[j] = v_ztemp[j];
}
get_acceleration(a_xtemp,a_ytemp,a_ztemp,xtemp,ytemp,ztemp, mass, n_points);
for(j=0;j<n_points;j++){
k_2_v_x[j] = a_xtemp[j];
k_2_v_y[j] = a_ytemp[j];
k_2_v_z[j] = a_ztemp[j];
//SECOND STEP
xtemp[j] = x[j] + (h/2.0)*k_2_x[j];
ytemp[j] = y[j] + (h/2.0)*k_2_y[j];
ztemp[j] = z[j] + (h/2.0)*k_2_z[j];
v_xtemp[j] = v_x[j] + (h/2.0)*k_2_v_x[j];
v_ytemp[j] = v_y[j] + (h/2.0)*k_2_v_y[j];
v_ztemp[j] = v_z[j] + (h/2.0)*k_2_v_z[j];
k_3_x[j] = v_xtemp[j];
k_3_y[j] = v_ytemp[j];
k_3_z[j] = v_ztemp[j];
}
get_acceleration(a_xtemp,a_ytemp,a_ztemp,xtemp,ytemp,ztemp, mass, n_points);
for(j=0;j<n_points;j++){
k_3_v_x[j] = a_xtemp[j];
k_3_v_y[j] = a_ytemp[j];
k_3_v_z[j] = a_ztemp[j];
//THIRD STEP
xtemp[j] = x[j] + h*k_3_x[j];
ytemp[j] = y[j] + h*k_3_y[j];
ztemp[j] = z[j] + h*k_3_z[j];
v_xtemp[j] = v_x[j] + h*k_3_v_x[j];
v_ytemp[j] = v_y[j] + h*k_3_v_y[j];
v_ztemp[j] = v_z[j] + h*k_3_v_z[j];
k_4_x[j] = v_xtemp[j];
k_4_y[j] = v_ytemp[j];
k_4_z[j] = v_ztemp[j];
}
get_acceleration(a_xtemp,a_ytemp,a_ztemp,xtemp,ytemp,ztemp, mass, n_points);
for(j=0;j<n_points;j++){
k_4_v_x[j] = a_xtemp[j];
k_4_v_y[j] = a_ytemp[j];
k_4_v_z[j] = a_ztemp[j];
//FOURTH STEP
x[j] = x[j] + h*(1.0/6.0)*(k_1_x[j]+2*k_2_x[j]+2*k_3_x[j]+k_4_x[j]);
y[j] = y[j] + h*(1.0/6.0)*(k_1_y[j]+2*k_2_y[j]+2*k_3_y[j]+k_4_y[j]);
z[j] = z[j] + h*(1.0/6.0)*(k_1_z[j]+2*k_2_z[j]+2*k_3_z[j]+k_4_z[j]);
v_x[j] = v_x[j] + h*(1.0/6.0)*(k_1_v_x[j]+2*k_2_v_x[j]+2*k_3_v_x[j]+k_4_v_x[j]);
v_y[j] = v_y[j] + h*(1.0/6.0)*(k_1_v_y[j]+2*k_2_v_y[j]+2*k_3_v_y[j]+k_4_v_y[j]);
v_z[j] = v_z[j] + h*(1.0/6.0)*(k_1_v_z[j]+2*k_2_v_z[j]+2*k_3_v_z[j]+k_4_v_z[j]);
}
for(k=0;k<n_points;k++){
fprintf(in," %f %f %f ", x[k], y[k], z[k]);
}
kinetic = get_kinetic(x, y, z, v_x, v_y, v_z, a_x, a_y, a_z, mass, n_points);
potential = get_potential(x, y, z, v_x, v_y, v_z, a_x, a_y, a_z, mass, n_points);
fprintf(in,"%f %f \n",kinetic, potential);
}
fclose(in);
}
void nemo_main()
{
int i, dir, nrad, npots=0, ltype, ndim = NDIM, nx, ny, ns, ndat, nret;
int cols[4], n, idx, idx_max;
real pmax, symsize, rr, omk_max = 0.0, omk_rmax;
real rad[MAXPT], *vel, *vel1, *vel2, *vel3, *vel4, *curve;
real *ome, *kap, *opk, *omk, r0l[MAXPT+2], omega, *f;
real inrad[MAXPT], invel[MAXPT], inrade[MAXPT], invele[MAXPT];
double pos[3], acc[3], pot, time = 0.0;
/* char *fmt, s[20], pfmt[256]; */
char headline[256], fmt1[80];
string axis, mode, infile, plotlabel;
stream instr;
bool Qtab, Qplot, Qome, Qvel, Qlv, Qin, QoILR;
mode = getparam("mode");
n = getiparam("n");
plotlabel = getparam("headline");
sprintf(fmt1,"%s ",getparam("format"));
Qome = (*mode == 'o'); /* options are: velocity|omega|lv */
Qlv = (*mode == 'l');
Qvel = (*mode == 'v');
Qtab = getbparam("tab");
Qplot = getbparam("plot");
infile = getparam("in");
Qin = (*infile != 0);
if (Qin) {
nret = nemoinpi(getparam("cols"),cols,4);
if (nret<0 || nret > 4) error("cols= requires 4 numbers");
for (i=nret; i<4; i++)
cols[i] = 0;
instr = stropen(infile,"r");
ndat = read_table(instr,MAXPT,inrad,invel,inrade,invele,cols);
strclose(instr);
}
mypot1 = get_potential(getparam("name1"),getparam("pars1"),getparam("file1"));
omega = get_pattern();
dprintf(0,"Pattern speed: %f\n",omega);
mypot2 = get_potential(getparam("name2"),getparam("pars2"),getparam("file2"));
mypot3 = get_potential(getparam("name3"),getparam("pars3"),getparam("file3"));
mypot4 = get_potential(getparam("name4"),getparam("pars4"),getparam("file4"));
headline[0] = '\0'; /* accumulate headline */
if (mypot1) {
strcat(headline,getparam("name1"));
strcat(headline,"(");
strcat(headline,getparam("pars1"));
strcat(headline,")");
npots++;
}
if (mypot2) {
strcat(headline,getparam("name2"));
strcat(headline,"(");
strcat(headline,getparam("pars2"));
strcat(headline,") ");
npots++;
}
if (mypot3) {
strcat(headline,getparam("name3"));
strcat(headline,"(");
strcat(headline,getparam("pars3"));
strcat(headline,") ");
npots++;
}
if (mypot4) {
strcat(headline,getparam("name4"));
strcat(headline,"(");
strcat(headline,getparam("pars4"));
strcat(headline,")");
npots++;
}
nrad = nemoinpr(getparam("radii"),rad,MAXPT); /* get radii */
if (nrad <= 0)
warning("Using %d radii is not very productive",nrad);
vel = (real *) allocate(sizeof(real) * nrad); /* allocate stuff */
vel1 = (real *) allocate(sizeof(real) * nrad);
vel2 = (real *) allocate(sizeof(real) * nrad);
vel3 = (real *) allocate(sizeof(real) * nrad);
vel4 = (real *) allocate(sizeof(real) * nrad);
if (Qome) {
ome = (real *) allocate(4 * sizeof(real) * nrad); /* plus spline */
kap = (real *) allocate(sizeof(real) * nrad);
opk = (real *) allocate(sizeof(real) * nrad);
omk = (real *) allocate(sizeof(real) * nrad);
}
axis = getparam("axis");
dir = 0;
if (*axis == 'x') dir=0;
if (*axis == 'y') dir=1;
if (*axis == 'z') dir=2;
if (dir>NDIM) error("Axis %s not supported in NDIM=%d",axis,NDIM);
pmax = 0.0;
for (i=0; i<nrad; i++) { /* loop to compute */
CLRV(pos); /* clear positions */
pos[dir] = rad[i]; /* set the right axis */
vel[i] = 0.0;
if (mypot1) {
CLRV(acc);
(*mypot1) (&ndim,pos,acc,&pot,&time);
vel1[i] = -rad[i] * acc[dir];
vel[i] += vel1[i];
vel1[i] = sqrt(vel1[i]);
}
if (mypot2) {
CLRV(acc);
(*mypot2) (&ndim,pos,acc,&pot,&time);
vel2[i] = -rad[i] * acc[dir];
vel[i] += vel2[i];
vel2[i] = sqrt(vel2[i]);
}
if (mypot3) {
CLRV(acc);
(*mypot3) (&ndim,pos,acc,&pot,&time);
vel3[i] = -rad[i] * acc[dir];
vel[i] += vel3[i];
vel3[i] = sqrt(vel3[i]);
}
if (mypot4) {
CLRV(acc);
(*mypot4) (&ndim,pos,acc,&pot,&time);
vel4[i] = -rad[i] * acc[dir];
vel[i] += vel4[i];
vel4[i] = sqrt(vel4[i]);
}
vel[i] = sqrt(vel[i]);
}
if (Qome) {
lindblad(nrad,rad,vel,ome,kap,opk,omk,n);
if (omega> 0.0) { /* compute resonances */
f = opk;
idx = nrad-1;
if (omega < f[idx]) {
warning("Radii not far enough out for OLR: %g",f[idx]);
f = ome;
if (omega < f[idx]) {
warning("Radii not far enough out for CR: %g",f[idx]);
f = omk;
}
}
QoILR = FALSE;
for(; idx>0; idx--) {
if (omk[idx] > omk_max) {
idx_max = idx;
omk_max = omk[idx];
}
if (f==omk) {
if (QoILR) {
if (omega < f[idx]) continue;
} else {
if (omega > f[idx]) continue;
}
} else {
if (omega > f[idx]) continue;
}
/* found a resonance: */
rr = rad[idx] + (rad[idx+1]-rad[idx])*
(omega-f[idx])/(f[idx+1]-f[idx]);
if (f == omk) {
#if 0
if (QoILR) {
dprintf(0,"iILR: %g\n",rr);
break;
} else {
dprintf(0,"oILR: %g\n",rr);
QoILR = TRUE;
}
#endif
} else if (f == ome) {
dprintf(0,"CR: %g\n",rr);
f = omk;
} else if (f == opk) {
dprintf(0,"OLR: %g\n",rr);
f = ome;
} else
error("impossble resonance");
}
peak(nrad,rad,omk,idx_max,1, &omk_rmax, &omk_max);
dprintf(0,"OMK_max: %g\n",omk_max);
dprintf(0,"OMK_rmax: %g\n",omk_rmax);
if (omega < omk_max) { /* search for ILR */
for (idx=idx_max; idx<nrad; idx++) {
if (omega > omk[idx]) {
rr = rad[idx-1] + (rad[idx]-rad[idx-1])*
(omega-f[idx-1])/(f[idx]-f[idx-1]);
dprintf(0,"oILR: %g\n",rr);
break;
}
}
for (idx=idx_max; idx>0; idx--) {
if (omega > omk[idx]) {
rr = rad[idx] + (rad[idx+1]-rad[idx])*
(omega-f[idx])/(f[idx+1]-f[idx]);
dprintf(0,"iILR: %g\n",rr);
break;
}
}
}
}
}
for (i=0; i<nrad; i++) { /* loop to print */
if (Qtab) {
printf(fmt1,rad[i]);
printf(fmt1,vel[i]);
}
if (Qtab && npots>1 && !Qome) {
if (mypot1) printf(fmt1,vel1[i]);
if (mypot2) printf(fmt1,vel2[i]);
if (mypot3) printf(fmt1,vel3[i]);
if (mypot4) printf(fmt1,vel4[i]);
}
if (Qtab && Qome) {
printf(fmt1,ome[i]);
printf(fmt1,kap[i]);
printf(fmt1,opk[i]);
printf(fmt1,omk[i]);
}
if (Qtab) printf("\n");
if (Qome)
pmax = MAX(pmax,opk[i]);
else
pmax = MAX(pmax,vel[i]);
}
if (Qin && Qvel)
goodness(nrad,rad,vel,ndat,inrad,invel,(cols[3]>0?invele:NULL));
if (Qplot) {
plinit("***",0.0,20.0,0.0,20.0); /* open device */
nx = nemoinpr(getparam("xrange"),xplot,2); /* get xrange in plot */
switch(nx) {
case 0:
xplot[0] = rad[0];
case 1:
xplot[1] = rad[nrad-1];
break;
case 2:
break;
default:
warning("xrange= only accepts two values");
break;
}
ny = nemoinpr(getparam("yrange"),yplot,2); /* get yrange in plot */
switch(ny) {
case 0:
yplot[0] = 0.0;
yplot[1] = 1.1 * pmax; /* extra 10% for egde */
break;
case 1:
yplot[1] = 1.1 * pmax; /* extra 10% for egde */
break;
case 2:
break;
default:
warning("yrange= only accepts two values");
break;
}
xaxis ( 2.0, 2.0, 16.0, xplot, -7, xtrans, "R"); /* plot axes */
xaxis ( 2.0,18.0, 16.0, xplot, -7, xtrans, NULL);
if (Qome)
yaxis ( 2.0, 2.0, 16.0, yplot, -7, ytrans, "[V/R]");
else
yaxis ( 2.0, 2.0, 16.0, yplot, -7, ytrans, "V");
yaxis (18.0, 2.0, 16.0, yplot, -7, ytrans, NULL);
if (*plotlabel)
pltext(plotlabel,2.0,18.5,0.5,0.0);
else
pltext(headline,2.0,18.5,0.35,0.0);
if (*plotmsg)
pltext(plotmsg,8.0,2.5,0.25,0.0);
curve = (Qome ? ome : vel); /* assign first curve */
plltype(3,1); /* thick solid line */
plmove(xtrans(rad[0]),ytrans(curve[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(curve[i]));
if (Qome) { /* if Lindblad - plot omk, opk */
plltype(1,1); /* all regular solid lines */
plmove(xtrans(rad[0]), ytrans(omk[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(omk[i]));
plmove(xtrans(rad[0]), ytrans(opk[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(opk[i]));
} else if (npots>1) { /* if velocity and > 1 component */
ltype = 1;
if (mypot1) {
plltype(1,++ltype);
plmove(xtrans(rad[0]),ytrans(vel1[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(vel1[i]));
}
if (mypot2) {
plltype(1,++ltype);
plmove(xtrans(rad[0]),ytrans(vel2[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(vel2[i]));
}
if (mypot3) {
plltype(1,++ltype);
plmove(xtrans(rad[0]),ytrans(vel2[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(vel3[i]));
}
if (mypot4) {
plltype(1,++ltype);
plmove(xtrans(rad[0]),ytrans(vel2[0]));
for (i=1; i<nrad; i++)
plline(xtrans(rad[i]),ytrans(vel4[i]));
}
}
plltype(1,1);
symsize = 0.1;
if (Qin && Qvel) { /* if input file with velocities */
for (i=0; i<ndat; i++)
plbox(xtrans(inrad[i]),ytrans(invel[i]),symsize);
if (cols[3]>0) { /* if error bars in radius */
for (i=0; i<ndat; i++) {
plmove(xtrans(inrad[i]-inrade[i]),ytrans(invel[i]));
plline(xtrans(inrad[i]+inrade[i]),ytrans(invel[i]));
}
}
if (cols[4]>0) { /* if error bars in velocity */
for (i=0; i<ndat; i++) {
plmove(xtrans(inrad[i]),ytrans(invel[i]-invele[i]));
plline(xtrans(inrad[i]),ytrans(invel[i]+invele[i]));
}
}
} else if (Qin && Qome) { /* if input file with omega */
for (i=0; i<ndat; i++)
plbox(xtrans(inrad[i]),ytrans(invel[i]/inrad[i]),symsize);
}
plstop();
} /* if plot vel/ome */
if (Qlv) {
ns = nemoinpr(getparam("r0l"),r0l,MAXPT+2) - 2;
if (ns < 0)
error("r0l= needs at least two values: r0 and l");
else if (ns==0)
warning("r0l= no lv-radii array supplied");
lv(nrad,rad,vel,r0l[0],r0l[1],ns,&r0l[2]);
}
}