diff options
Diffstat (limited to 'wcsutil/__init__.py')
| -rw-r--r-- | wcsutil/__init__.py | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/wcsutil/__init__.py b/wcsutil/__init__.py index d80e259..894abad 100644 --- a/wcsutil/__init__.py +++ b/wcsutil/__init__.py @@ -223,34 +223,47 @@ class HSTWCS(WCS): self.updatehdr(header) def all_pix2sky(self, *args, **kwargs): - xy, origin = self.get_inpix_origin(*args) + origin = self.get_origin(*args) if self.det2imfile != None: - return WCS.all_pix2sky(self, self.det2im(xy, origin),origin ) + return WCS.all_pix2sky(self, self.det2im(*args),origin ) else: - return WCS.all_pix2sky(self, xy, origin) + return WCS.all_pix2sky(self, *args) def pix2foc(self, *args, **kwargs): - xy, origin = self.get_inpix_origin(*args) + origin = self.get_origin(*args) if self.det2imfile != None: - return WCS.pix2foc(self, self.det2im(xy, origin), origin) + return WCS.pix2foc(self, self.det2im(*args), origin) else: - return WCS.pix2foc(self, xy, origin) + return WCS.pix2foc(self, *args) def p4_pix2foc(self, *args, **kwargs): - xy, origin = self.get_inpix_origin(*args) + origin = self.get_origin(*args) if self.det2imfile != None: - return WCS.p4_pix2foc(self, self.det2im(xy, origin), origin) + return WCS.p4_pix2foc(self, self.det2im(*args), origin) else: - return WCS.p4_pix2foc(self, xy, origin) + return WCS.p4_pix2foc(self, *args) def wcs_pix2sky(self, *args, **kwargs): - xy, origin = self.get_inpix_origin(*args) + origin = self.get_origin(*args) if self.det2imfile != None: - return WCS.wcs_pix2sky(self, self.det2im(xy, origin), origin) + return WCS.wcs_pix2sky(self, self.det2im(*args), origin) else: - return WCS.wcs_pix2sky(self, xy, origin) + return WCS.wcs_pix2sky(self, *args) + + def get_origin(self, *args): + if len(args) == 2: + origin = args[1] + elif len(args) == 3: + origin = args[2] + + return origin + + + def det2im(self, *args): + cpdis2 = self.get_d2im_lookup() + d2im_wcs = WCS() + d2im_wcs.cpdis2 = cpdis2 - def get_inpix_origin(self, *args): if len(args) == 2: xy, origin = args try: @@ -259,6 +272,7 @@ class HSTWCS(WCS): except: raise TypeError( "When providing two arguments, they must be (xy, origin)") + return d2im_wcs.p4_pix2foc(xy,origin) elif len(args) == 3: x, y, origin = args try: @@ -273,15 +287,10 @@ class HSTWCS(WCS): length = len(x) xy = N.hstack((x.reshape((length, 1)), y.reshape((length, 1)))) - return xy, origin - - def det2im(self, xy, origin): - - cpdis2 = self.get_d2im_lookup() - d2im_wcs = WCS() - d2im_wcs.cpdis2 = cpdis2 + + img = d2im_wcs.p4_pix2foc(xy,origin) - return d2im_wcs.p4_pix2foc(xy,origin) + return [img[:, i] for i in range(img.shape[1])] def get_d2im_lookup(self): d2im_data = pyfits.getdata(self.filename, ext=self.det2imext) |