void yaxis(
real x0,
real y0, /* axis starting point */
real yl, /* axis length */
real tick[], /* tick values or limits */
int nticks, /* number of ticks */
axis_proc ytrans, /* plotting transformation */
string label /* label for axis */
)
{
int i;
real t, y;
char val[32];
plmove(x0, y0);
plline(x0, y0 + yl);
for (i = 0; i < abs(nticks); i++) {
if (nticks > 0)
t = tick[i];
else
t = tick[0] + (i + 1) * (tick[1] - tick[0]) / (1.0 - nticks);
y = (*ytrans)(t);
if (label != NULL) {
plmove(x0 + ytikrt, y);
plline(x0 - ytiklf, y);
sprintf(val, "%-.*f", nydig, t);
trimval(val);
if (! formalaxis) {
pljust(0);
pltext(val, x0 - ynumlf, y, ysznum, 90.0);
} else {
pljust(1);
pltext(val, x0 - ynumlf, y, ysznum, 0.0);
}
} else {
plmove(x0 - ytikrt, y);
plline(x0 + ytiklf, y);
}
}
if (label != NULL && *label != 0) {
if (! formalaxis) {
pljust(0);
pltext(label, x0 - ylablf, y0 + yl / 2, yszlab, 90.0);
} else {
pljust(1);
#ifdef FUDGEAXIS
pltext(label, x0 - ylablf, y0 + yl - yszlab/4.0, yszlab, 0.0);
#else
pltext(label, x0 - ylablf, y0 + yl - yszlab/2.0, yszlab, 0.0);
#endif
}
}
pljust(-1);
}
void xaxis(
real x0, real y0, /* axis starting point */
real xl, /* axis length */
real tick[], /* tick values or limits */
int nticks, /* number of ticks */
axis_proc xtrans, /* plotting transformation */
string label /* label for axis */
)
{
int i;
real t, x;
char val[32];
plmove(x0, y0);
plline(x0 + xl, y0);
for (i = 0; i < abs(nticks); i++) {
if (nticks > 0)
t = tick[i];
else
t = tick[0] + (i + 1) * (tick[1] - tick[0]) / (1.0 - nticks);
x = (*xtrans)(t);
if (label != NULL) {
plmove(x, y0 + xtikup);
plline(x, y0 - xtikdn);
sprintf(val, "%-.*f", nxdig, t);
trimval(val);
pljust(0);
pltext(val, x, y0 - xnumdn, xsznum, 0.0);
} else {
plmove(x, y0 - xtikup);
plline(x, y0 + xtikdn);
}
}
if (label != NULL && *label != 0) {
if (! formalaxis) {
pljust(0);
pltext(label, x0 + xl / 2, y0 - xlabdn, xszlab, 0.0);
} else {
pljust(1);
#ifdef FUDGEAXIS
pltext(label, x0 + xl, y0 - xlabdn + xszlab/4.0, xszlab, 0.0);
#else
pltext(label, x0 + xl, y0 - xlabdn, xszlab, 0.0);
#endif
}
}
pljust(-1);
}
void
plabort(const char *errormsg) /* pmr: const */
{
if (abort_handler != NULL)
(*abort_handler)(errormsg);
if (plsc->errcode != NULL)
*(plsc->errcode) = 1;
if (plsc->errmsg != NULL) {
sprintf(plsc->errmsg, "\n*** PLPLOT ERROR ***\n");
if (*errormsg != '\0')
sprintf(plsc->errmsg, "%s, aborting operation\n", errormsg);
} else {
int was_gfx = 0;
if (plsc->graphx == 1) {
was_gfx = 1;
pltext();
}
fprintf(stderr, "\n*** PLPLOT ERROR ***\n");
if (*errormsg != '\0')
fprintf(stderr, "%s, aborting operation\n", errormsg);
if (was_gfx == 1)
plgra();
}
}
void
plwarn(const char *errormsg) /* pmr: const */
{
int was_gfx = 0;
if (plsc->graphx == 1) {
was_gfx = 1;
pltext();
}
fprintf(stderr, "\n*** PLPLOT WARNING ***\n");
if (*errormsg != '\0')
fprintf(stderr, "%s\n", errormsg);
if (was_gfx == 1)
plgra();
}
void nemo_main()
{
stream istr;
char msg[128];
int i, ndim;
string *fn;
setparams();
compfuncs(); /* btrrtans snapplot-like interface */
plinit("***", 0.0, 20.0, 0.0, 20.0);
xaxis( 2.0, 2.0, 16.0, xrange, -7, xtrans, xlabel);
xaxis( 2.0, 18.0, 16.0, xrange, -7, xtrans, NULL);
yaxis( 2.0, 2.0, 16.0, yrange, -7, ytrans, ylabel);
yaxis(18.0, 2.0, 16.0, yrange, -7, ytrans, NULL);
sprintf(msg, "File: %s", input);
pltext(msg, 2.0, 18.4, 0.32, 0.0);
optr = NULL;
ndim = NDIM;
allocate_orbit(&optr,ndim,maxsteps); /* allocate a large orbit */
fn = burststring(input," ,");
for (i=0; fn[i]; i++) { /* loop over all files */
istr = stropen(fn[i], "r"); /* open orbit file */
while (read_orbit(istr,&optr)) { /* while an orbit found....*/
dprintf(0,"Read orbit with %d phase-points\n",Nsteps(optr));
plot_path(optr,trange[0],trange[1],nplot);
Nsteps(optr) = maxsteps; /* reset for next orbit */
}
strclose(istr);
}
plstop();
}
void
xlinax() {
char ktemp[9];
int lpower;
int ia, ib, igdlog, jdiv, jpower, jstep, jtick,
mds, nds, ndsu, ntick, nxdivu;
float divlog, divtry, factor, grdlog, power, skfudge,
value, valuei, xdivu, xgrdmn, xgrdmx, xref, xrefi, xtick, xticki,
xvpmax, xvpmin, yloc, ypow, yvpmax, yvpmin;
static char kvalue[17] = " ";
static char kpower[9] = " ";
/*=====================================================================
* PURPOSE: To produce a linearly-scaled axis at the bottom and/or
* top of the current plot window.
*=====================================================================
* MODULE/LEVEL: gem/4
*=====================================================================
* GLOBAL INPUT:
* MACH: VSMALL
* GEM: LXDIV, XDIV, LNXDIV, NXDIV, CHHT, CHWID, LXREV,
* XPMNU, XPMXU, XIMNZ, XIMXZ,
* LBOTAX, LBOTTC, LTOPAX, LTOPTC,
* IHORZ, IVERT, XMPIP1, XMPIP2,
* LXGRD, IXGRD, IWIDTH, ISKWIDTH, ITHIN, SKDEVFUDGE
*=====================================================================
* GLOBAL OUTPUT:
* GEM: AXWBOT, AXWTOP
*=====================================================================
* SUBROUTINES CALLED:
* SACLIB: CNVITA, LJUST, SETLINESTYLE, LINE, PLTEXT, CNVFTA,
* SETTEXTJUST, SETLINEWIDTH, GETVPORT
*=====================================================================
* LOCAL VARIABLES:
* xdivu: Divison spacing used.
* lpower: Set to .TRUE. if there is a multiplying scale factor.
* power: Multiplying scale factor.
* kpower: Character string containing formatted scale factor.
* ypow: Y location in plot coordinates of scale factor.
* divtry: Trial division spacing.
* jstep: Integer trial step size (constrained to be 10, 5 or 2).
* xgrdmn: Minimum labeled grid value (including scale factor).
* xgrdmx: Maximum labeled grid value (including scale factor).
* value: Labeled grid value excluding scale factor.
* valuei: Increment in VALUE.
* kvalue: Character string containing formatted label value.
* xref: Location of labeled grid value in plot coordinates.
* xrefi: Increment in XREF.
*=====================================================================
* ASSUMPTIONS:
* - plmap has set up world to plot coordiate mapping.
* - Text orientation is horizontal.
*=====================================================================
* MODIFICATION HISTORY:
* 920526: Added line-width. TEXT is always line-width THIN!
* 830929: Added secondary tick marks.
* 830927: Moved grid drawing logic into its own do loop.
* 830223: Fixed logic in computing annotation format.
* 820928: Cleaned up and documented.
* 810120: Original PRIME version.
*===================================================================== */
/* PROCEDURE: */
settextangle(TEXT_HORIZONTAL);
/* - Determine division spacing. There are three possibilities:
* (1) The division spacing is set by user (LXDIV=.TRUE.).
* (2) The (approximate) number of divsions is set (LNXDIV=.TRUE.).
* (3) "Nice" division spacings are calculated. */
if( cmgem.xdiv_spacing_on ){
xdivu = cmgem.xdiv_spacing;
power = log10( xdivu );
if( power < 0. )
power = power - 1.;
jpower = power;
} else {
if( cmgem.xdiv_number_on ){
nxdivu = cmgem.xdiv_number;
} else {
nxdivu = (fabs( cmgem.uplot.xmax - cmgem.uplot.xmin )/(FDIVSP*cmgem.chht)) + .001;
if( nxdivu < 5 )
nxdivu = 5;
}
divtry = (cmgem.zdata.xmax - cmgem.zdata.xmin)/nxdivu;
if( divtry > 0. ){
power = log10( divtry );
} else {
power = 0.;
}
if( power < 0. )
power = power - 1.;
jpower = power;
/* -- Limit divison spacings to steps of 10, 5, or 2 [cases (2) and (3)]. */
jstep = divtry*(powi(10.,-jpower));
if( jstep > 5 ){
jstep = 1;
jpower = jpower + 1;
/* power = power + 1.; */
} else if( jstep > 2 ) {
jstep = 5;
} else {
jstep = 2;
}
xdivu = jstep*(powi(10.,jpower));
}
/* - Determine "nice-numbered" starting and ending values. */
ia = cmgem.zdata.xmin/xdivu;
xgrdmn = xdivu*ia;
if( xgrdmn < cmgem.zdata.xmin ){
ia = ia + 1;
xgrdmn = xgrdmn + xdivu;
}
ib = cmgem.zdata.xmax/xdivu;
xgrdmx = xdivu*ib;
if( xgrdmx > cmgem.zdata.xmax ){
ib = ib - 1;
xgrdmx = xgrdmx - xdivu;
}
nxdivu = ib - ia + 1;
/* - Determine the format (Fn.m) of the labels.
* The variable NDS assumes the role of "n" and MDS the role of "m". */
/* - The "magic numbers" used in this algorithm generate good division
* spacings almost all of the time. Modify them at your own risk. */
grdlog = log10( fmax( fabs( xgrdmn ), fabs( xgrdmx ) ) + 0.001 );
if( grdlog >= 0. ){
grdlog = grdlog + 1.001;
}
else{
grdlog = grdlog - 0.999;
}
divlog = log10( xdivu );
if( divlog >= 0. ){
divlog = divlog + 1.001;
}
else{
divlog = divlog - 0.999;
}
lpower = FALSE;
factor = 1.;
if( grdlog*divlog >= 0. ){
if( grdlog < 0. ){
igdlog = grdlog;
}
else{
igdlog = divlog;
}
if( labs( igdlog ) >= 3 && cmgem.lxpowr ){
mds = 0;
nds = max( 4, (int)( grdlog ) - (int)( divlog ) + 2 );
cnvita( jpower, ktemp,9 );
ljust( ktemp,9 );
if( jpower >= 0 ){
fstrncpy( kpower, 8, "X 10+", 5);
fstrncpy( kpower+5, 8-5, ktemp, strlen(ktemp));
}
else{
fstrncpy( kpower, 8, "X 10", 4);
fstrncpy( kpower+4, 8-4, ktemp, strlen(ktemp));
}
factor = powi(10.,-jpower);
lpower = TRUE;
}
else{
mds = labs( minfi( 0., divlog ) );
nds = maxfi( 1., grdlog );
if( mds > 0 )
nds = nds + mds + 2;
}
}
else{
mds = labs( minfi( 0., divlog ) );
nds = maxfi( 0., grdlog );
if( mds > 0 )
nds = nds + mds + 2;
}
/* - Determine axes fudge factor for thick axes lines. */
getvport( &xvpmin, &xvpmax, &yvpmin, &yvpmax );
skfudge = cmgem.skdevfudge*((yvpmin - yvpmax)/(xvpmin - xvpmax));
/* - Draw the bottom axis. */
setlinestyle( LINE_STYLE_SOLID );
setlinewidth( cmgem.iskwidth );
if( cmgem.axis[BOTTOM].annotate || cmgem.axis[BOTTOM].ticks ){
/* -- Bottom Axes line. */
if( cmgem.iskwidth > LINE_WIDTH_THIN ){
line( cmgem.uplot.xmin - cmgem.iskwidth*skfudge, cmgem.uplot.ymin,
cmgem.uplot.xmax + cmgem.iskwidth*skfudge, cmgem.uplot.ymin );
}
else{
line( cmgem.uplot.xmin, cmgem.uplot.ymin, cmgem.uplot.xmax, cmgem.uplot.ymin );
}
/* -- Label for multiplying scale factor. */
if( lpower && cmgem.axis[BOTTOM].annotate ){
ypow = fmax( cmgem.uplot.ymin - 2.2*cmgem.chht, 0.1*cmgem.chht );
if( cmgem.lxrev ){
settextjust( "RIGHT", "BOTTOM" );
}
else{
settextjust( "LEFT", "BOTTOM" );
}
pltext( kpower,9, cmgem.uplot.xmin, ypow );
setlinewidth( cmgem.iskwidth );
}
/* -- Calculate constants for labeled tick marks. */
value = xgrdmn*factor;
xref = xgrdmn*cmgem.xmpip1 + cmgem.xmpip2;
valuei = xdivu*factor;
xrefi = xdivu*cmgem.xmpip1;
strcpy( kvalue, " " );
/* -- Draw secondary tick marks before first labeled one. */
ntick = 1;
if( xrefi >= 0.10 ){
ntick = 3;
if( jstep == 5 )
ntick = 4;
}
if( xrefi >= 0.25 )
ntick = 9;
xticki = xrefi/(float)( ntick + 1 );
xtick = xref - xrefi;
for( jtick = 1; jtick <= ntick; jtick++ ){
xtick = xtick + xticki;
if( xtick >= cmgem.uplot.xmin ){
line( xtick, cmgem.uplot.ymin, xtick, cmgem.uplot.ymin +
0.5*cmgem.chwid );
}
}
/* -- Loop on labeled tick marks. */
for( jdiv = 1; jdiv <= nxdivu; jdiv++ ){
line( xref, cmgem.uplot.ymin, xref, cmgem.uplot.ymin +
cmgem.chwid );
if( cmgem.axis[BOTTOM].annotate ){
if( value >= 0 ){
ndsu = nds;
}
else{
ndsu = nds + 1;
}
cnvfta( value, ndsu, mds, kvalue,17 );
ljust( kvalue,17 );
yloc = cmgem.uplot.ymin - 0.1*cmgem.chht;
settextjust( "CENTER", "TOP" );
pltext( kvalue,17, xref, yloc );
setlinewidth( cmgem.iskwidth );
}
/* --- Loop on secondary tick marks. */
xtick = xref;
for( jtick = 1; jtick <= ntick; jtick++ ){
xtick = xtick + xticki;
if( xtick <= cmgem.uplot.xmax ){
line( xtick, cmgem.uplot.ymin, xtick, cmgem.uplot.ymin +
0.5*cmgem.chwid );
}
}
value = value + valuei;
xref = xref + xrefi;
}
/* -- Save axes widths. */
if( cmgem.axis[BOTTOM].annotate ){
cmgem.axis[BOTTOM].width = 1.1*cmgem.chht;
if( lpower )
cmgem.axis[BOTTOM].width = cmgem.uplot.ymin - ypow;
}
else{
cmgem.axis[BOTTOM].width = 0.;
}
}
/* - Top axis: */
if( cmgem.axis[TOP].annotate || cmgem.axis[TOP].ticks ){
/* -- Top Axes line. */
if( cmgem.iskwidth > LINE_WIDTH_THIN ){
line( cmgem.uplot.xmin - cmgem.iskwidth*skfudge, cmgem.uplot.ymax,
cmgem.uplot.xmax + cmgem.iskwidth*skfudge, cmgem.uplot.ymax );
}
else{
line( cmgem.uplot.xmin, cmgem.uplot.ymax, cmgem.uplot.xmax, cmgem.uplot.ymax );
}
/* -- Label for multiplying scale factor. */
if( lpower && cmgem.axis[TOP].annotate ){
ypow = fmin( cmgem.uplot.ymax + 2.2*cmgem.chht, cmgem.view.ymax -
0.1*cmgem.chht );
if( cmgem.lxrev ){
settextjust( "RIGHT", "TOP" );
}
else{
settextjust( "LEFT", "TOP" );
}
pltext( kpower,9, cmgem.uplot.xmin, ypow );
setlinewidth( cmgem.iskwidth );
}
/* -- Calculate constants for labeled tick marks. */
value = xgrdmn*factor;
xref = xgrdmn*cmgem.xmpip1 + cmgem.xmpip2;
valuei = xdivu*factor;
xrefi = xdivu*cmgem.xmpip1;
strcpy( kvalue, " " );
/* -- Draw secondary tick marks before first labeled one. */
ntick = 1;
if( xrefi >= 0.10 ){
ntick = 3;
if( jstep == 5 )
ntick = 4;
}
if( xrefi >= 0.25 )
ntick = 9;
xticki = xrefi/(float)( ntick + 1 );
xtick = xref - xrefi;
for( jtick = 1; jtick <= ntick; jtick++ ){
xtick = xtick + xticki;
if( xtick >= cmgem.uplot.xmin ){
line( xtick, cmgem.uplot.ymax, xtick, cmgem.uplot.ymax -
0.5*cmgem.chwid );
}
}
/* -- Loop on labeled tick marks. */
for( jdiv = 1; jdiv <= nxdivu; jdiv++ ){
line( xref, cmgem.uplot.ymax, xref, cmgem.uplot.ymax -
cmgem.chwid );
if( cmgem.axis[TOP].annotate ){
if( value >= 0. ){
ndsu = nds;
}
else{
ndsu = nds + 1;
}
cnvfta( value, ndsu, mds, kvalue,17 );
ljust( kvalue,17 );
yloc = cmgem.uplot.ymax + 0.1*cmgem.chht;
settextjust( "CENTER", "BOTTOM" );
pltext( kvalue,17, xref, yloc );
setlinewidth( cmgem.iskwidth );
}
/* --- Loop on secondary tick marks. */
xtick = xref;
for( jtick = 1; jtick <= ntick; jtick++ ){
xtick = xtick + xticki;
if( xtick <= cmgem.uplot.xmax ){
line( xtick, cmgem.uplot.ymax, xtick, cmgem.uplot.ymax -
0.5*cmgem.chwid );
}
}
value = value + valuei;
xref = xref + xrefi;
}
/* -- Save axes widths. */
if( cmgem.axis[TOP].annotate ){
cmgem.axis[TOP].width = 1.1*cmgem.chht;
if( lpower )
cmgem.axis[TOP].width = ypow - cmgem.uplot.ymax;
}
else{
cmgem.axis[TOP].width = 0.;
}
}
/* - Grid lines. */
if( cmgem.lxgrd ){
setlinewidth( LINE_WIDTH_THIN );
xref = xgrdmn*cmgem.xmpip1 + cmgem.xmpip2;
xrefi = xdivu*cmgem.xmpip1;
setlinestyle( cmgem.ixgrd );
for( jdiv = 1; jdiv <= nxdivu; jdiv++ ){
line( xref, cmgem.uplot.ymin, xref, cmgem.uplot.ymax );
xref = xref + xrefi;
}
setlinestyle( LINE_STYLE_SOLID );
setlinewidth( cmgem.iskwidth );
}
return;
} /* end of function */
int
main( int argc, char *argv[] )
{
PLINT digmax, cur_strm, new_strm;
char ver[80];
// plplot initialization
// Parse and process command line arguments
plMergeOpts( options, "x01c options", notes );
plparseopts( &argc, argv, PL_PARSE_FULL );
// Get version number, just for kicks
plgver( ver );
fprintf( stdout, "PLplot library version: %s\n", ver );
// Initialize plplot
// Divide page into 2x2 plots
// Note: calling plstar replaces separate calls to plssub and plinit
plstar( 2, 2 );
// Select font set as per input flag
if ( fontset )
plfontld( 1 );
else
plfontld( 0 );
// Set up the data
// Original case
xscale = 6.;
yscale = 1.;
xoff = 0.;
yoff = 0.;
// Do a plot
plot1( 0 );
// Set up the data
xscale = 1.;
yscale = 0.0014;
yoff = 0.0185;
// Do a plot
digmax = 5;
plsyax( digmax, 0 );
plot1( 1 );
plot2();
plot3();
//
// Show how to save a plot:
// Open a new device, make it current, copy parameters,
// and replay the plot buffer
//
if ( f_name ) // command line option '-save filename'
{
printf( "The current plot was saved in color Postscript under the name `%s'.\n", f_name );
plgstrm( &cur_strm ); // get current stream
plmkstrm( &new_strm ); // create a new one
plsfnam( f_name ); // file name
plsdev( "psc" ); // device type
plcpstrm( cur_strm, 0 ); // copy old stream parameters to new stream
plreplot(); // do the save by replaying the plot buffer
plend1(); // finish the device
plsstrm( cur_strm ); // return to previous stream
}
// Let's get some user input
if ( locate_mode )
{
for (;; )
{
if ( !plGetCursor( &gin ) )
break;
if ( gin.keysym == PLK_Escape )
break;
pltext();
printf( "subwin = %d, wx = %f, wy = %f, dx = %f, dy = %f\n",
gin.subwindow, gin.wX, gin.wY, gin.dX, gin.dY );
printf( "keysym = 0x%02x, button = 0x%02x, string = '%s', type = 0x%02x, state = 0x%02x\n",
gin.keysym, gin.button, gin.string, gin.type, gin.state );
plgra();
}
}
// Don't forget to call plend() to finish off!
plend();
exit( 0 );
}
plot_map ()
{
real m_range, brightness, dcm;
real m_min, m_max;
int i, ix, iy;
int cnt; /* counter of pixels */
nsize = Nx(iptr); /* old method forced square .. */
cell = Dx(iptr); /* and forced so for gray scale due to LW mem-problems */
size = nsize*cell;
m_min = MapMin(iptr); /* get min- and max from header */
m_max = MapMax(iptr);
dprintf (1,"Min and max in map from map-header are: %f %f\n",m_min,m_max);
if (mmax==UNDEF) /* reset default autoscales to user supplied if necessary */
mmax=m_max;
if (mmin==UNDEF)
mmin=m_min;
m_range = mmax-mmin;
if (m_range==0) {
mmax=mmin+1.0;
if (gray) warning("%g; Plot-range was zero, mmax increased by 1",mmin);
}
dprintf (1,"User reset Min and max are: %f %f\n",mmin,mmax);
sprintf (plabel,"File: %s",infile); /* filename */
sprintf (clabel,"Contours: %s",cntstr); /* contour levels */
sprintf (glabel,"Gray MinMax: %g %g",mmin,mmax); /* grey scale minmax */
sprintf (tlabel,"Time: %g",Time(iptr)); /* time of orig snapshot */
/* set scales and labels along axes */
if (xplot[0]==UNDEF || xplot[1]==UNDEF) {
xplot[0] = Xmin(iptr) - 0.5*Dx(iptr);
xplot[1] = xplot[0] + Nx(iptr)*Dx(iptr);
}
if (Namex(iptr))
strncpy(xlabel,Namex(iptr),80);
else
strcpy (xlabel,"");
if (yplot[0]==UNDEF || yplot[1]==UNDEF) {
yplot[0] = Ymin(iptr) - 0.5*Dy(iptr);
yplot[1] = yplot[0] + Ny(iptr)*Dy(iptr);
}
if (Namey(iptr))
strncpy(ylabel,Namey(iptr),80);
else
strcpy (ylabel,"");
dprintf (1,"Plotting area x=%f:%f y=%f:%f\n",
xplot[0], xplot[1], yplot[0], yplot[1]);
if (gray) {
/* gray-scale */
dcm = Dx(iptr) / (xplot[1]-xplot[0]) * 16.0;
pl_matrix (Frame(iptr), nx, ny,
xtrans(Xmin(iptr)), ytrans(Ymin(iptr)), dcm , mmin, mmax, power, blankval);
/* color_bar (100.0,500.0,32); */
}
/* OLD ROUTINE, has to call relocate/frame ---> plcontour */
plltype(lwidth,ltype);
if (cmode==0)
contour (Frame(iptr),nx,ny,cntval,ncntval,
Xmin(iptr),
Ymin(iptr),
Xmin(iptr)+(Nx(iptr)-1)*Dx(iptr),
Ymin(iptr)+(Ny(iptr)-1)*Dy(iptr), lineto);
else if (cmode==1)
pl_contour (Frame(iptr),nx,ny,ncntval,cntval);
plltype(1,1);
/* draw axes and their labels */
xaxis ( 2.0, 2.0, 16.0, xplot, -7, xtrans, xlabel);
xaxis ( 2.0,18.0, 16.0, xplot, -7, xtrans, NULL);
yaxis ( 2.0, 2.0, 16.0, yplot, -7, ytrans, ylabel);
yaxis (18.0, 2.0, 16.0, yplot, -7, ytrans, NULL);
pltext (plabel,2.0,18.4, 0.32, 0.0); /* plot header with file name */
pltext (clabel,2.0,19.0, 0.32, 0.0); /* plot header with contour levels */
pltext (glabel,2.0,19.6, 0.32, 0.0); /* plot header with greyscale info */
pltext (tlabel,10.0,19.6,0.32, 0.0); /* time info */
pljust(1);
pltext (headline,10.0,18.4, 0.26, 0.0); /* plot extra user suplied header */
pljust(-1);
}
out_slit()
{
real xsky, ysky, vrad, inv_surden, sigma, mass;
real xslit, yslit, xplt, yplt, sinpa, cospa;
real m_max, v_min, v_max, s_max; /* local min/max */
int i, islit;
Body *bp;
for (islit=0; islit<nslit; islit++) /* reset local variables */
v0star[islit] = v1star[islit] = v2star[islit] = 0.0;
m_max = v_min = v_max = s_max = 0.0;
inv_surden = 1.0 / (slit_width*slit_cell);
sinpa = sin(pa); cospa = cos(pa);
for(bp=btab, i=0; i<nobj; bp++, i++) { /* loop over all particles */
xsky = xvar(bp,tsnap,i);
ysky = yvar(bp,tsnap,i);
vrad = zvar(bp,tsnap,i);
mass = evar(bp,tsnap,i) * inv_surden;
xsky -= origin[0]; /* translate to slit origin */
ysky -= origin[1];
xslit = -cospa*ysky + sinpa*xsky; /* and rotate to slit frame */
yslit = sinpa*ysky + cospa*xsky; /* !!! check signs !!! */
if (fabs(yslit) > 0.5*slit_width)
continue; /* not in slit */
islit = (xslit+0.5*slit_length)/slit_cell;
if (islit<0 || islit>=nslit)
continue; /* not in slit */
v0star[islit] += mass;
v1star[islit] += vrad * mass;
v2star[islit] += sqr(vrad) * mass;
} /*-- end particles loop --*/
while (nsmooth-- > 0) { /* convolution */
dprintf (0,"Convolving with %d-length beam: ",lsmooth);
for (i=0; i<lsmooth; i++)
dprintf (0,"%f ",smooth[i]);
convolve (v0star, nslit, smooth, lsmooth);
convolve (v1star, nslit, smooth, lsmooth);
convolve (v2star, nslit, smooth, lsmooth);
dprintf (0,"\n");
}
for (islit=0; islit<nslit; islit++) { /* moment analysis: M, MV and MV^2 */
if (v0star[islit]==0.0)
continue; /* no data - skip to next pixel */
v1star[islit] /= v0star[islit];
sigma = v2star[islit]/v0star[islit] - sqr(v1star[islit]);
if (sigma<0.0) { /* should never happen */
warning("islit=%d sigma^2=%e < 0 !!!\n",islit,sigma);
v2star[islit] = 0.0;
continue; /* something really wrong */
}
v2star[islit] = sqrt(sigma);
if (v0star[islit] > m_max) m_max = v0star[islit];
if (v1star[islit] < v_min) v_min = v1star[islit];
if (v1star[islit] > v_max) v_max = v1star[islit];
if (v2star[islit] > s_max) s_max = v2star[islit];
if (Qtab) {
xslit = islit*slit_cell;
printf ("%g %g %g %g\n",
xslit,v0star[islit], v1star[islit], v2star[islit]);
}
} /* for(islit) */
if (Qtab)
return(0);
plinit ("***", 0.0, 20.0, 0.0, 20.0);
/* reset default autoscales to user supplied if necessary */
if (mmax==0.0) mmax=m_max;
if (vmin==0.0) vmin=v_min;
if (vmax==0.0) vmax=v_max;
if (smax==0.0) smax=s_max;
dprintf (0,"mmax=%f vmin=%f vmax=%f smax=%f reset to:\n",m_max,v_min,v_max,s_max);
if (mmax==0) mmax=1;
if (vmin==0 && vmax==0) vmax=1;
if (smax==0) smax=1;
dprintf (0,"mmax=%f vmin=%f vmax=%f smax=%f \n",mmax, vmin, vmax, smax);
/* general plot header */
sprintf (plabel,"File: %s; var{%s,%s,%s,%s} slit{%s %s %s %s}",
infile,getparam("xvar"),getparam("yvar"),
getparam("zvar"),getparam("evar"),
getparam("origin"),getparam("pa"),getparam("width"),
getparam("length"),getparam("cell"));
pltext (plabel,2.0,18.4, 0.32, 0.0);
#if 0
if (*headline!=NULL) /* identification */
pltext (headline,2.0,19.0,0.25,0.0);
#endif
xplot[0] = -0.5*slit_length; /* PLOT1: upper panel */
xplot[1] = 0.5*slit_length;
sprintf(xlabel,"slit: {x=%s,y=%s}",getparam("xvar"),getparam("yvar"));
yplot[0]=0.0;
yplot[1]=mmax;
strcpy (ylabel,"mass surface density");
xaxis ( 2.0,12.0, 16.0, xplot, -7, xtrans, NULL);
xaxis ( 2.0,17.0, 16.0, xplot, -7, xtrans, NULL);
yaxis ( 2.0,12.0, 5.0, yplot, -3, ytransm, ylabel);
yaxis (18.0,12.0, 5.0, yplot, -3, ytransm, NULL);
for (islit=0; islit<nslit; islit++) {
xplt = xtrans (-0.5*slit_length + (islit+0.5)*slit_cell);
yplt = ytransm (v0star[islit]);
plbox (xplt, yplt, SYMBOLSIZE);
}
yplot[0]=vmin; /* PLOT2: middle panel */
yplot[1]=vmax;
strcpy (ylabel,"velocity");
xaxis (2.0, 7.0, 16.0, xplot, -7, xtrans, NULL); /* line ?? */
yaxis (2.0, 7.0, 5.0, yplot, -3, ytransv1, ylabel);
yaxis (18.0,7.0, 5.0, yplot, -3, ytransv1, NULL);
for (islit=0; islit<nslit; islit++) {
xplt = xtrans (-0.5*slit_length + (islit+0.5)*slit_cell);
yplt = ytransv1 (v1star[islit]);
plcross (xplt, yplt, SYMBOLSIZE);
}
if (vmin<0.0 || vmax>0.0) {
plltype (1,2); /* dashed line at v=0 */
plmove (xtrans(xplot[0]), ytransv1(0.0));
plline (xtrans(xplot[1]), ytransv1(0.0));
plltype (1,1);
}
yplot[0]=0.0; /* PLOT3: bottom panel */
yplot[1]=smax;
strcpy (ylabel,"velocity dispersion");
xaxis (2.0, 2.0, 16.0, xplot, -7, xtrans, xlabel);
yaxis (2.0, 2.0, 5.0, yplot, -3, ytransv2, ylabel);
yaxis (18.0,2.0, 5.0, yplot, -3, ytransv2, NULL);
for (islit=0; islit<nslit; islit++) {
xplt = xtrans (-0.5*slit_length + (islit+0.5)*slit_cell);
yplt = ytransv2 (v2star[islit]);
plcross (xplt, yplt, -SYMBOLSIZE);
}
plstop();
}
nemo_main()
{
int i, j, np;
string name, dumpfile;
name = getparam("name");
dumpfile = getparam("screendump");
np = getiparam("pages");
printf("Testing wth pages=%d\n",np);
plinit(name, 0.0, 20.0, 0.0, 20.0); /* open device */
x_init_plobj();
plmove(0.0, 0.0);
plcolor(0);
plline(20.0, 0.0);
plcolor(1);
plline(20.0, 20.0);
plcolor(2);
plline(0.0, 20.0);
plcolor(3);
plline(0.0, 0.0);
plcolor(4);
plline(20.0, 20.0);
plmove(20.0, 0.0);
plcolor(5);
plline(0.0, 20.0);
plltype(12, 0);
plmove(4.0, 18.0);
plcolor(6);
plline(16.0, 18.0);
plltype(-6, 0);
plmove(6.0, 18.0);
plcolor(7);
plline(14.0, 18.0);
for (i = 1; i <= 4; i++) {
plcolor(8+i);
plltype(i, 1);
plmove(1.0, 13.0 - i);
plline(3.0, 13.0 - i);
plpoint(3.5, 13.0 - i);
plltype(1, i);
for (j = 1; j <= 4; j++) {
plmove(1.5, 13.0 - i - 0.2*j);
plline(1.5 + j, 13.0 - i - 0.2*j);
}
}
plcolor(12);
plltype(1, 1);
plcircle(15.0, 9.0, -0.5);
plcolor(13);
plcircle(16.0, 9.0, 0.25);
plcolor(14);
plcircle(17.0, 9.0, 0.125);
plcolor(15);
plcircle(18.0, 9.0, 0.0625);
plbox(16.0, 8.0, 0.4);
plbox(17.0, 8.0, 0.2);
plbox(18.0, 8.0, -0.2);
plcross(16.0, 7.0, 0.4);
plcross(17.0, 7.0, 0.2);
plcross(18.0, 7.0, -0.2);
plcolor(4);
pltext("Foo Bar!", 8.0, 5.0, 0.5, 0.0);
plcolor(5);
pltext("Fum Bar!", 8.0, 3.0, 0.25, 0.0);
plcolor(6);
for (i = 0; i <= 4; i++)
pltext(" testing angles", 16.0, 10.0, 0.2, 45.0*i);
plmove(10.0, 8.5);
plline(10.0, 11.5);
pljust(-1);
plcolor(3);
pltext("left justified", 10.0, 9.0, 0.25, 0.0);
plcolor(2);
pljust(0);
pltext("centered", 10.0, 10.0, 0.25, 0.0);
plcolor(1);
pljust(1);
pltext("right justified", 10.0, 11.0, 0.25, 0.0);
pljust(0);
plcolor(7);
pltext(getparam("headline"),10.0, 19.0, 0.5, 0.0);
plcolor(1);
plflush();
if (*dumpfile)
pl_screendump(dumpfile);
if (np>1) {
plflush();
plframe();
plmove(0.0, 0.0);
plline(20.0, 0.0);
plline(20.0, 20.0);
plline(0.0, 20.0);
plline(0.0, 0.0);
pljust(0);
pltext("This is page 2", 10.0,10.0,0.25,0.0);
#define IMAX 100
#define ISTEP 20.0/IMAX
plmove (0.0,0.0);
for (i=0; i<IMAX; i++)
plline(i*ISTEP, i*ISTEP);
}
plstop();
}
local void histogram(void)
{
int i,j,k, l, kmin, kmax, lcount = 0;
real count[MAXHIST], under, over;
real xdat,ydat,xplt,yplt,dx,r,sum,sigma2, q, qmax;
real mean, sigma, mad, skew, kurt, h3, h4, lmin, lmax, median;
real rmean, rsigma, rrange[2];
Moment m;
dprintf (0,"read %d values\n",npt);
dprintf (0,"min and max value in column(s) %s: %g %g\n",getparam("xcol"),xmin,xmax);
if (!Qauto) {
xmin = xrange[0];
xmax = xrange[1];
dprintf (0,"min and max value reset to : %g %g\n",xmin,xmax);
lmin = xmax;
lmax = xmin;
for (i=0; i<npt; i++) {
if (x[i]>xmin && x[i]<=xmax) {
lmin = MIN(lmin, x[i]);
lmax = MAX(lmax, x[i]);
}
}
dprintf (0,"min and max value in range : %g %g\n",lmin,lmax);
}
for (k=0; k<nsteps; k++)
count[k] = 0; /* init histogram */
under = over = 0;
ini_moment(&m, 4, Qrobust||Qmad ? npt : 0);
for (i=0; i<npt; i++) {
if (Qbin) {
k=ring_index(nsteps,bins,x[i]);
} else {
if (xmax != xmin)
k = (int) floor((x[i]-xmin)/(xmax-xmin)*nsteps);
else
k = 0;
dprintf(2,"%d k=%d %g\n",i,k,x[i]);
}
if (k==nsteps && x[i]==xmax) k--; /* include upper edge */
if (k<0) { under++; continue; }
if (k>=nsteps) { over++; continue; }
count[k] = count[k] + 1;
dprintf (4,"%d : %f %d\n",i,x[i],k);
accum_moment(&m,x[i],1.0);
}
if (under > 0) error("bug: under = %d",under);
if (over > 0) error("bug: over = %d",over);
under = Nunder;
over = Nover;
mean = mean_moment(&m);
sigma = sigma_moment(&m);
skew = skewness_moment(&m);
kurt = kurtosis_moment(&m);
h3 = h3_moment(&m);
h4 = h4_moment(&m);
if (Qmad) mad = mad_moment(&m);
if (nsigma > 0) { /* remove outliers iteratively, starting from the largest */
iq = (int *) allocate(npt*sizeof(int));
for (i=0; i<npt; i++) {
#if 1
iq[i] = x[i] < xmin || x[i] > xmax;
#else
iq[i] = 0;
#endif
}
lcount = 0;
do { /* loop to remove outliers one by one */
qmax = -1.0;
for (i=0, l=-1; i<npt; i++) { /* find largest deviation from current mean */
if (iq[i]) continue; /* but skip previously flagged points */
q = (x[i]-mean)/sigma;
q = ABS(q);
if (q > qmax) {
qmax = q;
l = i;
}
}
if (qmax > nsigma) {
lcount++;
iq[l] = 1;
decr_moment(&m,x[l],1.0);
mean = mean_moment(&m);
sigma = sigma_moment(&m);
skew = skewness_moment(&m);
kurt = kurtosis_moment(&m);
h3 = h3_moment(&m);
h4 = h4_moment(&m);
if (Qmad) mad = mad_moment(&m);
dprintf(1,"%d/%d: removing point %d, m/s=%g %g qmax=%g\n",
lcount,npt,l,mean,sigma,qmax);
if (sigma <= 0) {
/* RELATED TO presetting MINMAX */
warning("BUG");
accum_moment(&m,x[l],1.0);
mean = mean_moment(&m);
sigma = sigma_moment(&m);
skew = skewness_moment(&m);
kurt = kurtosis_moment(&m);
h3 = h3_moment(&m);
h4 = h4_moment(&m);
dprintf(1,"%d/%d: LAST removing point %d, m/s=%g %g qmax=%g\n",
lcount,npt,l,mean,sigma,qmax);
break;
}
} else
dprintf(1,"%d/%d: keeping point %d, m/s=%g %g qmax=%g\n",
lcount,npt,l,mean,sigma,qmax);
/* if (lcount > npt/2) break; */
} while (qmax > nsigma);
dprintf(0,"Removed %d/%d points for nsigma=%g\n",lcount,npt,nsigma);
/* @algorithm left shift array values from mask array */
/* now shift all points into the array, decreasing npt */
/* otherwise the median is not correctly computed */
for (i=0, k=0; i<npt; i++) {
dprintf(1,"iq->%d\n",iq[i]);
if (iq[i]) k++;
if (k==0) continue; /* ?? */
if (i-k < 0) continue;
dprintf(1,"SHIFT: %d <= %d\n",i-k,i);
x[i-k] = x[i];
}
npt -= lcount; /* correct for outliers */
free(iq);
} /* nsigma > 0 */
if (npt != n_moment(&m))
error("Counting error, probably in removing outliers...");
dprintf (0,"Number of points : %d\n",npt);
if (npt>1)
dprintf (0,"Mean and dispersion : %g %g %g\n",mean,sigma,sigma/sqrt(npt-1.0));
else
dprintf (0,"Mean and dispersion : %g %g 0.0\n",mean,sigma);
if (Qmad) dprintf (0,"MAD : %g\n",mad);
dprintf (0,"Skewness and kurtosis: %g %g\n",skew,kurt);
dprintf (0,"h3 and h4 : %g %g\n", h3, h4);
if (Qmedian) {
if (npt % 2)
median = x[(npt-1)/2];
else
median = 0.5 * (x[npt/2] + x[npt/2-1]);
dprintf (0,"Median : %g\n",median);
} else if (Qtorben) {
median = median_torben(npt,x,xmin,xmax);
dprintf (0,"Median_torben : %g\n",median);
}
dprintf (0,"Sum : %g\n",show_moment(&m,1));
if (Qrobust) {
compute_robust_moment(&m);
rmean = mean_robust_moment(&m);
rsigma = sigma_robust_moment(&m);
robust_range(&m, rrange);
dprintf (0,"Robust N : %d\n",n_robust_moment(&m));
dprintf (0,"Robust Mean Disp : %g %g\n",rmean,rsigma);
dprintf (0,"Robust Range : %g %g\n",rrange[0],rrange[1]);
if (outstr) {
for (i=0; i<npt; i++) {
if (x[i]<rrange[0] || x[i]>rrange[1]) continue;
fprintf(outstr,"%g %d\n",x[i],i+1);
}
}
}
if (lcount > 0) {
warning("Recompute histogram because of outlier removals");
/* recompute histogram if we've lost some outliers */
for (k=0; k<nsteps; k++)
count[k] = 0; /* init histogram */
under = over = 0;
for (i=0; i<npt; i++) {
if (xmax != xmin)
k = (int) floor((x[i]-xmin)/(xmax-xmin)*nsteps);
else
k = 0;
if (k==nsteps && x[i]==xmax) k--; /* include upper edge */
if (k<0) { under++; continue; }
if (k>=nsteps) { over++; continue; }
count[k] = count[k] + 1;
dprintf (4,"%d : %f %d\n",i,x[i],k);
}
if (under > 0 || over > 0) error("under=%d over=%d in recomputed histo",under,over);
}
dprintf (3,"Histogram values : \n");
dx=(xmax-xmin)/nsteps;
kmax=0;
sum=0.0;
for (k=0; k<nsteps; k++) {
sum = sum + dx*count[k];
if (ylog) {
if (count[k]>0.0)
count[k] = log10(count[k]);
else
count[k] = -1.0;
}
if (count[k]>kmax)
kmax=count[k];
dprintf (3,"%f ",count[k]);
if (Qcumul) {
if (k==0)
count[k] += under;
else
count[k] += count[k-1];
}
}
dprintf (3,"\n");
sigma2 = 2.0 * sigma * sigma; /* gaussian */
sum /= sigma * sqrt(2*PI); /* scaling factor for equal area gauss */
if (ylog && over>0) over = log10(over);
if (ylog && under>0) under = log10(under);
kmax *= 1.1; /* add 10% */
if (Qcumul) kmax = npt;
if (maxcount>0) /* force scaling by user ? */
kmax=maxcount;
if (Qtab) {
maxcount = 0;
for (k=0; k<nsteps; k++)
maxcount = MAX(maxcount,count[k]);
if (maxcount>0)
r = 29.0/maxcount;
else
r = 1.0;
printf(" Bin Value Number\n");
printf(" Underflow %d\n",Nunder);
for (k=0; k<nsteps; k++) {
j = (int) (r*count[k]) + 1;
if (ylog) printf("%3d %13.6g %13.6g ",
k+1, xmin+(k+0.5)*dx, count[k]);
else printf("%3d %13.6g %8d ",
k+1, xmin+(k+0.5)*dx, (int)count[k]);
while (j-- > 0) printf("*");
printf("\n");
}
printf(" Overflow %d\n",Nover);
stop(0);
}
#ifdef YAPP
/* PLOTTING */
plinit("***",0.0,20.0,0.0,20.0);
xplot[0] = xmin;
xplot[1] = xmax;
yplot[0] = 0.0;
yplot[1] = (real) kmax;
xaxis (2.0, 2.0, 16.0, xplot, -7, xtrans, xlab);
xaxis (2.0, 18.0,16.0, xplot, -7, xtrans, NULL);
yaxis (2.0, 2.0, 16.0, yplot, -7, ytrans, ylab);
yaxis (18.0, 2.0, 16.0, yplot, -7, ytrans, NULL);
pljust(-1); /* set to left just */
pltext(input,2.0,18.2,0.32,0.0); /* filename */
pljust(1);
pltext(headline,18.0,18.2,0.24,0.0); /* headline */
pljust(-1); /* return to left just */
xdat=xmin;
dx=(xmax-xmin)/nsteps;
plmove(xtrans(xmin),ytrans(0.0));
for (k=0; k<nsteps; k++) { /* nsteps= */
xplt = xtrans(xdat);
yplt = ytrans((real)count[k]);
plline (xplt,yplt);
xdat += dx;
xplt = xtrans(xdat);
plline (xplt,yplt);
}
plline(xplt,ytrans(0.0));
for (i=0; i<nxcoord; i++) {
plmove(xtrans(xcoord[i]),ytrans(yplot[0]));
plline(xtrans(xcoord[i]),ytrans(yplot[1]));
}
if (Qgauss) { /* plot model and residuals */
if (ylog)
plmove(xtrans(xmin),ytrans(-1.0));
else
plmove(xtrans(xmin),ytrans(0.0));
for (k=0; k<100; k++) {
xdat = xmin + (k+0.5)*(xmax-xmin)/100.0;
ydat = sum * exp( -sqr(xdat-mean)/sigma2);
if (ylog) ydat = log10(ydat);
plline(xtrans(xdat), ytrans(ydat));
}
}
if (Qresid) {
plltype(0,2); /* dotted residuals */
xdat = xmin+0.5*dx;
dprintf(1,"# residuals from gauss\n");
for (k=0; k<nsteps; k++, xdat +=dx) {
ydat = sum * exp( -sqr(xdat-mean)/sigma2);
dprintf(1,"%g %g %g\n",xdat,count[k],ydat);
if (ylog) ydat = log10(ydat);
ydat = count[k] - ydat;
if (k==0)
plmove(xtrans(xdat),ytrans(ydat));
else
plline(xtrans(xdat),ytrans(ydat));
}
plltype(0,1); /* back to normal line type */
}
plstop();
#endif
}
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]);
}
}
