def getSlopes(img,pad=0,retcorr=0):
"""Computes slopes if img is used as a correlation image"""
d=darc.Control("SH")
cm=d.Get("centroidMode")
if type(cm)==numpy.ndarray and numpy.any(cm[-49:]):#in correlation mode.
cur=getCurrentImg()
usenow=1
else:
cur=makeIdent()
usenow=0
sf=d.Get("subapFlag")
nsub=d.Get("nsub")
corr=correlation.makeCorrelation(img,cur,3,d.Get("npxlx"),d.Get("npxly"),nsub,d.Get("subapLocation"),sf,pad)
slopes=calibrate.makeSlopes(corr["correlation"],3,nsub,corr["corrNpxlx"],corr["corrNpxly"],sf,corr["corrSubapLoc"])
slopes-=0.5#correlation is pixel centred, not 2x2 centred.
slopes[:288]=0#not using NGS
if retcorr:
return slopes,usenow,corr
else:
return slopes,usenow
def getSlopes(img,pad=0,retcorr=0):
"""Computes slopes if img is used as a correlation image"""
d=darc.Control("SH")
cm=d.Get("centroidMode")
if type(cm)==numpy.ndarray and numpy.any(cm[-49:]):#in correlation mode.
cur=getCurrentImg()
usenow=1
else:
cur=makeIdent()
usenow=0
sf=d.Get("subapFlag")
nsub=d.Get("nsub")
corr=correlation.makeCorrelation(img,cur,1,d.Get("npxlx"),d.Get("npxly"),nsub,d.Get("subapLocation"),sf,pad)
#def makeCorrelation(psf,img,ncam,npxlx,npxly,nsub,subapLocation,subflag,pad=None,savespace=0):
# """Correlates 2 images with optional padding"""
slopes=calibrate.makeSlopes(corr["correlation"],1,nsub,corr["corrNpxlx"],corr["corrNpxly"],sf,corr["corrSubapLoc"])
# def makeSlopes(img,ncam,nsub,npxlx,npxly,sf,sl):
# """Need to subtract 0.5 from the results if a correlation image."""
slopes-=0.5#correlation is pixel centred, not 2x2 centred.
slopes[:288]=0#not using NGS
if retcorr:
return slopes,usenow,corr
else:
return slopes,usenow