astrom_intra.py 文件源码

def edgeplot(self, TT, ps):
        for ei,X in enumerate(self.edges):
            (i, j) = X[:2]
            Ta = TT[i]
            Tb = TT[j]
            plt.clf()
            if len(Ta) > 1000:
                nbins = 101
                ra = np.hstack((Ta.ra, Tb.ra))
                dec = np.hstack((Ta.dec, Tb.dec))
                H,xe,ye = np.histogram2d(ra, dec, bins=nbins)
                (matchRA, matchDec, dr,dd) = self.edge_matches(ei, goodonly=True)
                G,xe,ye = np.histogram2d(matchRA, matchDec, bins=(xe,ye))
                assert(G.shape == H.shape)
                img = antigray(H / H.max())
                img[G>0,:] = matplotlib.cm.hot(G[G>0] / H[G>0])
                ax = setRadecAxes(xe[0], xe[-1], ye[0], ye[-1])
                plt.imshow(img, extent=(min(xe), max(xe), min(ye), max(ye)),
                           aspect='auto', origin='lower', interpolation='nearest')
                plt.axis(ax)

            else:
                self.plotallstars([Ta,Tb])
                self.plotmatchedstars(ei)
                plt.xlabel('RA (deg)')
                plt.ylabel('Dec (deg)')
            ps.savefig()

    # one plot per edge