/**
Release memory.
*/
void free_powfs(POWFS_S *powfs, const PARMS_S *parms){
const int npowfs=parms->maos.npowfs;
for(int ipowfs=0; ipowfs<npowfs; ipowfs++){
for(int iwvl=0; iwvl<parms->maos.nwvl; iwvl++){
cfree(powfs[ipowfs].dtf[iwvl].U);
cfree(powfs[ipowfs].dtf[iwvl].nominal);
dspfree(powfs[ipowfs].dtf[iwvl].si);
}
free(powfs[ipowfs].dtf);
locfree(powfs[ipowfs].loc);
locfree(powfs[ipowfs].saloc);
dfree(powfs[ipowfs].amp);
free(powfs[ipowfs].locxamp);
free(powfs[ipowfs].locyamp);
}
}
int main(int argc, char *argv[]) {
if(argc<7) {
info("Usage: %s loc.bin amp.bin cov.bin ncomp pttr wvl1 wvl2 ...\n", argv[0]);
exit(0);
}
enum {
P_EXE,
P_LOC,
P_AMP,
P_COV,
P_NCOMP,
P_PTTR,
P_WVL
};
loc_t *loc=locread("%s",argv[P_LOC]);
dmat *amp=NULL;
if(strcmp(argv[P_AMP],"NULL")) {
amp=dread("%s",argv[P_AMP]);
} else {
amp=dnew(loc->nloc,1);
dset(amp,1);
}
dmat *cov=dread("%s",argv[P_COV]);
long ncomp=strtol(argv[P_NCOMP], NULL, 10);
long pttr=strtol(argv[P_PTTR], NULL, 10);
cmat *otf=otf=cnew(ncomp, ncomp);
dmat *psf=NULL;
for(int iwvl=0; iwvl<argc-P_WVL; iwvl++) {
double wvl=strtod(argv[iwvl+P_WVL], NULL);
double dtheta=wvl/(ncomp*loc->dx);
genotf(&otf, loc, amp, NULL, NULL, 0, wvl, dtheta, cov, 0, 0, ncomp, ncomp, 1, pttr);
writebin(otf, "%s_otf_%g.bin", argv[P_COV], wvl);
cfftshift(otf);
cfft2i(otf, 1);
cfftshift(otf);
creal2d(&psf, 0, otf, 1);
writebin(psf, "%s_psf_%g.bin", argv[P_COV], wvl);
}
cfree(otf);
dfree(psf);
dfree(cov);
dfree(amp);
locfree(loc);
}
/**
Setup the detector transfer functions. See maos/setup_powfs.c
*/
static void setup_powfs_dtf(POWFS_S *powfs, const PARMS_S* parms){
const int npowfs=parms->maos.npowfs;
for(int ipowfs=0; ipowfs<npowfs; ipowfs++){
const int ncomp=parms->maos.ncomp[ipowfs];
const int ncomp2=ncomp>>1;
const int embfac=parms->maos.embfac[ipowfs];
const int pixpsa=parms->skyc.pixpsa[ipowfs];
const double pixtheta=parms->skyc.pixtheta[ipowfs];
const double blur=parms->skyc.pixblur[ipowfs]*pixtheta;
const double e0=exp(-2*M_PI*M_PI*blur*blur);
const double dxsa=parms->maos.dxsa[ipowfs];
const double pixoffx=parms->skyc.pixoffx[ipowfs];
const double pixoffy=parms->skyc.pixoffy[ipowfs];
const double pxo=-(pixpsa/2-0.5+pixoffx)*pixtheta;
const double pyo=-(pixpsa/2-0.5+pixoffy)*pixtheta;
loc_t *loc_ccd=mksqloc(pixpsa, pixpsa, pixtheta, pixtheta, pxo, pyo);
powfs[ipowfs].dtf=mycalloc(parms->maos.nwvl,DTF_S);
for(int iwvl=0; iwvl<parms->maos.nwvl; iwvl++){
const double wvl=parms->maos.wvl[iwvl];
const double dtheta=wvl/(dxsa*embfac);
const double pdtheta=pixtheta*pixtheta/(dtheta*dtheta);
const double du=1./(dtheta*ncomp);
const double du2=du*du;
const double dupth=du*pixtheta;
cmat *nominal=cnew(ncomp,ncomp);
//cfft2plan(nominal,-1);
//cfft2plan(nominal,1);
cmat* pn=nominal;
const double theta=0;
const double ct=cos(theta);
const double st=sin(theta);
for(int iy=0; iy<ncomp; iy++){
int jy=iy-ncomp2;
for(int ix=0; ix<ncomp; ix++){
int jx=ix-ncomp2;
double ir=ct*jx+st*jy;
double ia=-st*jx+ct*jy;
IND(pn,ix,iy)=sinc(ir*dupth)*sinc(ia*dupth)
*pow(e0,ir*ir*du2)*pow(e0,ia*ia*du2)
*pdtheta;
}
}
if(parms->skyc.fnpsf1[ipowfs]){
warning("powfs %d has additional otf to be multiplied\n", ipowfs);
dcell *psf1c=dcellread("%s", parms->skyc.fnpsf1[ipowfs]);
dmat *psf1=NULL;
if(psf1c->nx == 1){
psf1=dref(psf1c->p[0]);
}else if(psf1c->nx==parms->maos.nwvl){
psf1=dref(psf1c->p[iwvl]);
}else{
error("skyc.fnpsf1 has wrong dimension\n");
}
dcellfree(psf1c);
if(psf1->ny!=2){
error("skyc.fnpsf1 has wrong dimension\n");
}
dmat *psf1x=dnew_ref(psf1->nx, 1, psf1->p);
dmat *psf1y=dnew_ref(psf1->nx, 1, psf1->p+psf1->nx);
dmat *psf2x=dnew(ncomp*ncomp, 1);
for(int iy=0; iy<ncomp; iy++){
int jy=iy-ncomp2;
for(int ix=0; ix<ncomp; ix++){
int jx=ix-ncomp2;
psf2x->p[ix+iy*ncomp]=sqrt(jx*jx+jy*jy)*dtheta;
}
}
info("powfs %d, iwvl=%d, dtheta=%g\n", ipowfs, iwvl, dtheta*206265000);
writebin(psf2x, "powfs%d_psf2x_%d", ipowfs,iwvl);
dmat *psf2=dinterp1(psf1x, psf1y, psf2x, 0);
normalize_sum(psf2->p, psf2->nx*psf2->ny, 1);
psf2->nx=ncomp; psf2->ny=ncomp;
writebin(psf2, "powfs%d_psf2_%d", ipowfs,iwvl);
cmat *otf2=cnew(ncomp, ncomp);
//cfft2plan(otf2, -1);
ccpd(&otf2, psf2);//peak in center
cfftshift(otf2);//peak in corner
cfft2(otf2, -1);
cfftshift(otf2);//peak in center
writebin(otf2, "powfs%d_otf2_%d", ipowfs, iwvl);
writebin(nominal, "powfs%d_dtf%d_nominal_0",ipowfs,iwvl);
for(int i=0; i<ncomp*ncomp; i++){
nominal->p[i]*=otf2->p[i];
}
writebin(nominal, "powfs%d_dtf%d_nominal_1",ipowfs,iwvl);
dfree(psf1x);
dfree(psf1y);
dfree(psf2x);
dfree(psf1);
cfree(otf2);
dfree(psf2);
}
cfftshift(nominal);//peak in corner
cfft2(nominal,-1);
cfftshift(nominal);//peak in center
cfft2i(nominal,1);
warning_once("double check nominal for off centered skyc.fnpsf1\n");
/*This nominal will multiply to OTF with peak in corner. But after
inverse fft, peak will be in center*/
ccp(&powfs[ipowfs].dtf[iwvl].nominal, nominal);
cfree(nominal);
loc_t *loc_psf=mksqloc(ncomp, ncomp, dtheta, dtheta, -ncomp2*dtheta, -ncomp2*dtheta);
powfs[ipowfs].dtf[iwvl].si=mkh(loc_psf,loc_ccd,0,0,1);
locfree(loc_psf);
if(parms->skyc.dbg){
writebin(powfs[ipowfs].dtf[iwvl].nominal,
"%s/powfs%d_dtf%d_nominal",dirsetup,ipowfs,iwvl);
writebin(powfs[ipowfs].dtf[iwvl].si,
"%s/powfs%d_dtf%d_si",dirsetup,ipowfs,iwvl);
}
powfs[ipowfs].dtf[iwvl].U=cnew(ncomp,1);
dcomplex *U=powfs[ipowfs].dtf[iwvl].U->p;
for(int ix=0; ix<ncomp; ix++){
int jx=ix<ncomp2?ix:(ix-ncomp);
U[ix]=COMPLEX(0, -2.*M_PI*jx*du);
}
}/*iwvl */
locfree(loc_ccd);
}/*ipowfs */
}
static void test_accuracy(int argc, char **argv){
double displacex=0.01;
double displacey=0.05;
double scale=1.01;/*.414065; */
int wrap=0;
double D=30;
double D2=32;
int save=1;
if(argc>1){
scale=strtod(argv[1], 0);
}
if(argc>2){
displacex=strtod(argv[2], 0);
}
if(argc>3){
displacey=strtod(argv[3], 0);
}
if(argc>4){
wrap=strtol(argv[4], 0, 10);
}
if(argc>5){
D=strtod(argv[5], 0);
}
if(argc>6){
D2=strtod(argv[6], 0);
}
if(argc>7){
save=strtol(argv[7], 0, 10);
}
double dx=1/64.;
double dsa=0.5;
map_t *screen=mapnew(D2/dx, D2/dx, dx, dx, 0);
dset((dmat*)screen, 1);
for(long iy=0; iy<screen->ny; iy++){
for(long ix=0; ix<screen->nx; ix++){
screen->p[ix+iy*screen->nx]=sin((double)ix/screen->nx*2*M_PI)*sin((double)iy/screen->ny*2*M_PI);
}
}
/*loc for the map */
loc_t *locin=mksqloc(screen->nx,screen->ny,dx,dx,screen->ox,screen->oy);
//pts_t *pts=realloc(mkannloc(D, 0, 1./2.,0), sizeof(pts_t));
pts_t *pts=realloc(mksqloc_auto(D/dsa, D/dsa, dsa, dsa), sizeof(pts_t));
pts->dx=dx;
pts->dy=dx;
pts->nx=dsa/dx;
pts->ny=pts->nx;
loc_t *loc=pts2loc(pts);
loc_create_map(locin);
loc_create_stat(loc);
loc_create_map(loc);
locstat_t *locstat=loc->stat;
map_t *screen2=mapnew2(locin->map);
dset((dmat*)screen2, NAN);
loc_embed(screen2, locin, screen->p);
double *phi_pts, *phi_loc, *phi_stat;
double *phi_loc2loc, *phi_h, *phi_cub, *phi_cub2, *phi_cubh;
double cubic=0.3;
int ii;
info("displacex=%g, displacey=%g, scale=%g, wrap=%d\n",
displacex, displacey,scale,wrap);
double diff1, diff2,diff3,diff14,diff15;
diff1=0;
diff2=0;
diff3=0;
diff14=0;
diff15=0;
phi_pts=calloc(loc->nloc, sizeof(double));
phi_loc=calloc(loc->nloc, sizeof(double));
phi_stat=calloc(loc->nloc, sizeof(double));
phi_loc2loc=calloc(loc->nloc, sizeof(double));
map_t *map1=mapnew2(loc->map);
prop_grid_map(screen, map1, -2, displacex, displacey, scale, wrap, 0,0);
tic;
prop_grid_map(screen, map1, 1, displacex, displacey, scale, wrap, 0,0);
toc("map\t\t");
prop_grid_pts(screen, pts, phi_pts, -2, displacex, displacey, scale, wrap, 0,0);
tic;
prop_grid_pts(screen, pts, phi_pts, 1, displacex, displacey, scale, wrap, 0,0);
toc("pts\t\t");
prop_grid_stat(screen, locstat, phi_stat, -2,displacex, displacey, scale, wrap, 0,0);
tic;
prop_grid_stat(screen, locstat, phi_stat , 1, displacex, displacey, scale, wrap, 0,0);
toc("stat\t");tic;
prop_grid(screen, loc, phi_loc, -2,displacex, displacey, scale, wrap, 0,0);
tic;
prop_grid(screen, loc, phi_loc, 1,displacex, displacey, scale, wrap, 0,0);
toc("loc\t\t");
prop_nongrid(locin, screen->p,loc, phi_loc2loc, -2,displacex, displacey, scale,0,0);
toc("nongrid\t"); tic;
prop_nongrid(locin, screen->p,loc, phi_loc2loc, 1,displacex, displacey, scale,0,0);
toc("nongrid\t");
phi_h=calloc(loc->nloc,sizeof(double));
tic;
dsp *hfor=mkh(locin, loc, displacex, displacey, scale);
toc("mkh\t\t\t");
dspmulvec(phi_h,hfor, screen->p, 'n', -2);
tic;
dspmulvec(phi_h,hfor, screen->p, 'n', 1);
toc("mul h\t\t");
phi_cub=calloc(loc->nloc,sizeof(double));
phi_cub2=calloc(loc->nloc,sizeof(double));
double *phi_cub3=calloc(loc->nloc,sizeof(double));
double *phi_cub4=calloc(loc->nloc,sizeof(double));
phi_cubh=calloc(loc->nloc, sizeof(double));
prop_nongrid_cubic(locin,screen->p,loc,phi_cub,-2, displacex, displacey, scale, cubic,0,0);
tic;
prop_nongrid_cubic(locin,screen->p,loc,phi_cub,1, displacex, displacey, scale, cubic,0,0);
toc("nongrid, cubic\t");
prop_grid_cubic(screen, loc, phi_cub2, -2,displacex, displacey, scale, cubic, 0,0);
tic;
prop_grid_cubic(screen, loc, phi_cub2, 1,displacex, displacey, scale, cubic, 0,0);
toc("grid, cubic\t");
prop_grid_cubic(screen2, loc,phi_cub3, -2,displacex, displacey, scale, cubic, 0,0);
tic;
prop_grid_cubic(screen2, loc,phi_cub3, 1,displacex, displacey, scale, cubic, 0,0);
toc("grid2, cubic\t");
prop_grid_stat_cubic(screen, locstat,phi_cub4, -2,displacex, displacey, scale, cubic, 0,0);
tic;
prop_grid_stat_cubic(screen, locstat,phi_cub4, 1,displacex, displacey, scale, cubic, 0,0);
toc("grid 2stat, cubic\t");
dsp *hforcubic;
tic;
hforcubic=mkh_cubic(locin, loc, displacex, displacey, scale, cubic);
toc("mkh cubic \t\t");
dspmulvec(phi_cubh, hforcubic,screen->p,'n',-2);
tic;
dspmulvec(phi_cubh, hforcubic,screen->p,'n',1);
toc("cubic mul h\t\t");
double diffc12=0,diff45=0,diff46=0,diff47=0;
for(ii=0; ii<loc->nloc; ii++){
diff1+=fabs(phi_loc[ii]-phi_pts[ii]);
diff2+=fabs(phi_stat[ii]-phi_loc[ii]);
diff3+=fabs(phi_stat[ii]-phi_pts[ii]);
diff14+=fabs(phi_loc2loc[ii]-phi_pts[ii]);
diff15+=fabs(phi_h[ii]-phi_pts[ii]);
diff45+=fabs(phi_loc2loc[ii]-phi_h[ii]);
diffc12+=fabs(phi_cub[ii]-phi_cubh[ii]);
diff46+=fabs(phi_cub[ii]-phi_cub2[ii]);
diff47+=fabs(phi_cub[ii]-phi_cub3[ii]);
}
info2("(pts-loc)=\t%g\n(loc-stat)=\t%g\n(stat-pts)=\t%g\n"
"(loc2loc-pts)=\t%g\n(h-pts)=\t%g\n"
"(loc2loc-h)=\t%g\n"
"(cub:h-loc2loc)=\t%g\n"
"(cub:map2loc-loc2loc)=\t%g\n"
"(cub:locmap2loc-loc2loc=\t%g\n"
,diff1, diff2,diff3,diff14,diff15,diff45,diffc12,
diff46, diff47);
// exit(0);
if(!save) return;
mapwrite(screen2,"accphi_screen2");
mapwrite(screen,"accphi_screen");
locwrite((loc_t*)pts,"accphi_pts");
locwrite(loc,"accphi_loc");
locwrite(locin, "accphi_locin");
loc_create_map_npad(locin, 0, 0, 0);
mapwrite(locin->map, "accphi_locin_map");
mapwrite(loc->map, "accphi_loc_map");
mapwrite(map1, "accphi_map2map.bin");
writedbl(phi_pts,loc->nloc,1,"accphi_pts1.bin");
writedbl(phi_loc,loc->nloc,1,"accphi_loc0.bin");
writedbl(phi_stat,loc->nloc,1,"accphi_stat.bin");
writedbl(phi_loc2loc,loc->nloc,1,"accphi_loc2loc.bin");
writedbl(phi_h,loc->nloc,1,"accphi_loc2h.bin");
writedbl(phi_cub,loc->nloc,1,"accphi_cub_loc2loc.bin");
writedbl(phi_cub2,loc->nloc,1,"accphi_cub_map2loc.bin");
writedbl(phi_cub3,loc->nloc,1,"accphi_cub_locmap2loc.bin");
writedbl(phi_cub4,loc->nloc,1,"accphi_cub_locmap2stat.bin");
writedbl(phi_cubh,loc->nloc,1,"accphi_cub_loc2h.bin");
info("saved\n");
writedbl(phi_pts,loc->nloc,1,"accphi_pts.bin");
writedbl(phi_cub,loc->nloc,1,"accphi_cub.bin");
writebin(hfor, "accphi_hfor");
writebin(hforcubic, "accphi_cub_hfor");
dspfree(hfor);
dspfree(hforcubic);
free(phi_loc); free(phi_stat);
free(phi_loc2loc);
free(phi_pts);
free(phi_h);
free(phi_cub);
free(phi_cubh);
cellfree(screen);
locfree(locin);
}
/**
Returns the transpose of a ztilt gradient operator that converts the OPDs defined
on xloc to subapertures defines on saloc.
*/
dsp * mkzt(loc_t* xloc, double *amp, loc_t *saloc,
int saorc, double scale, double dispx, double dispy)
{
/*compute ztilt influence function from xloc to saloc
saorc: SALOC is subaperture origin or center.
1: origin (lower left corner),
0: center.
*/
long nsa=saloc->nloc;
double dsa=saloc->dx;
double dx1=1./xloc->dx;
double dx2=scale*dx1;
double dy1=1./xloc->dy;
double dy2=scale*dy1;
loc_create_map(xloc);
map_t *map=xloc->map;
dispx=(dispx-map->ox+saorc*dsa*0.5*scale)*dx1;
dispy=(dispy-map->oy+saorc*dsa*0.5*scale)*dy1;
double dsa2=dsa*0.5*dx2;
long nmax=(dsa2*2+2)*(dsa2*2+2);
long *ind=mycalloc(nmax,long);
loc_t *sloc=mycalloc(1,loc_t);
sloc->dx=xloc->dx;
sloc->dy=xloc->dy;
sloc->locx=mycalloc(nmax,double);
sloc->locy=mycalloc(nmax,double);
double *amploc=NULL;
if(amp) amploc=mycalloc(nmax,double);
dsp*zax=dspnew(xloc->nloc,nsa,xloc->nloc);
dsp*zay=dspnew(xloc->nloc,nsa,xloc->nloc);
long xcount=0,ycount=0;
spint *xpp=zax->p;
spint *xpi=zax->i;
double *xpx=zax->x;
spint *ypp=zay->p;
spint *ypi=zay->i;
double *ypx=zay->x;
const double *locx=xloc->locx;
const double *locy=xloc->locy;
double *slocx=sloc->locx;
double *slocy=sloc->locy;
for(int isa=0; isa<nsa; isa++){
/*center of subaperture when mapped onto XLOC*/
double scx=saloc->locx[isa]*dx2+dispx;
double scy=saloc->locy[isa]*dy2+dispy;
int count=0;
/*find points that belongs to this subaperture. */
for(int iy=iceil(scy-dsa2); iy<ifloor(scy+dsa2);iy++){
for(int ix=iceil(scx-dsa2); ix<ifloor(scx+dsa2);ix++){
int ii=loc_map_get(map, ix, iy);
if(ii>0){
ii--;
ind[count]=ii;
slocx[count]=locx[ii];
slocy[count]=locy[ii];
if(amp) amploc[count]=amp[ii];
count++;
}
}
}
/*locwrite(sloc,"sloc_isa%d",isa); */
/*writedbl(amploc,count,1,"amploc_isa%d",isa); */
sloc->nloc=count;
dmat *mcc=loc_mcc_ptt(sloc,amploc);
/*writebin(mcc,"mcc_isa%d",isa); */
dinvspd_inplace(mcc);
/*writebin(mcc,"imcc_isa%d",isa); */
xpp[isa]=xcount;
ypp[isa]=ycount;
for(int ic=0; ic<count; ic++){
double xx=IND(mcc,0,1)+IND(mcc,1,1)*slocx[ic]+IND(mcc,2,1)*slocy[ic];
double yy=IND(mcc,0,2)+IND(mcc,1,2)*slocx[ic]+IND(mcc,2,2)*slocy[ic];
if(amp){
xx*=amploc[ic];
yy*=amploc[ic];
}
xpi[xcount]=ind[ic];
xpx[xcount]=xx;
xcount++;
ypi[ycount]=ind[ic];
ypx[ycount]=yy;
ycount++;
}
dfree(mcc);
}
xpp[nsa]=xcount;
ypp[nsa]=ycount;
locfree(sloc);
free(ind);
dspsetnzmax(zax,xcount);
dspsetnzmax(zay,ycount);
dsp*ZAT=dspcat(zax,zay,1);
dspfree(zax);
dspfree(zay);
if(amp) free(amploc);
return ZAT;
}
