orpheus
0.1
  • Installation
  • Two-point Correlation Functions
    • NNCorrelation: Projected clustering two-point correlations
      • Example
    • GGCorrelation: Shear-Shear Correlations
      • Example
    • BinnedNPCF
      • BinnedNPCF.order
      • BinnedNPCF.spins
      • BinnedNPCF.n_cfs
      • BinnedNPCF.min_sep
      • BinnedNPCF.max_sep
      • BinnedNPCF.nbinsr
      • BinnedNPCF.binsize
      • BinnedNPCF.nbinsphi
      • BinnedNPCF.nmaxs
      • BinnedNPCF.method
      • BinnedNPCF.multicountcorr
      • BinnedNPCF.shuffle_pix
      • BinnedNPCF.tree_alpha
      • BinnedNPCF.tree_mincellsize
      • BinnedNPCF.tree_maxcellsize
      • BinnedNPCF.tree_resos
      • BinnedNPCF.tree_redges
      • BinnedNPCF.rmin_pixsize
      • BinnedNPCF.resoshift_leafs
      • BinnedNPCF.minresoind_leaf
      • BinnedNPCF.maxresoind_leaf
      • BinnedNPCF.verbosity
      • BinnedNPCF.nthreads
      • BinnedNPCF.bin_centers
      • BinnedNPCF.bin_centers_mean
      • BinnedNPCF.phis
      • BinnedNPCF.npcf
      • BinnedNPCF.npcf_norm
      • BinnedNPCF.npcf_multipoles
      • BinnedNPCF.npcf_multipoles_norm
      • BinnedNPCF.is_edge_corrected
      • BinnedNPCF.autoset_tree()
      • BinnedNPCF._initprojections()
      • BinnedNPCF._projectnpcf()
      • BinnedNPCF._print_npcfprojections_avail()
      • BinnedNPCF._checkcats()
      • BinnedNPCF._updatetree()
  • Three-point Correlation Functions
    • GGGCorrelation: Shear-Shear-Shear Correlations
      • Example
    • GNNCorrelation: Lens-Lens-Shear Correlations
      • Example
    • NGGCorrelation: Lens-Shear-Shear Correlations
      • Example
  • Four-point Correlation Functions
    • NNNNCorrelation: Scalar-Scalar-Scalar-Scalar Correlations
      • NNNNCorrelation_NoTomo
    • GGGGCorrelation: Shear-Shear-Shear-Shear Correlations
      • GGGGCorrelation_NoTomo
  • Direct estimator of aperture mass cumulants
    • MapnEqual: Nth order equal-scale aperture mass statistics
      • Direct_MapnEqual
    • NapnEqual: Nth order equal-scale aperture counts statistics
      • Direct_NapnEqual
    • DirectEstimator
      • DirectEstimator.Rmin
      • DirectEstimator.Rmax
      • DirectEstimator.nbinsr
      • DirectEstimator.binsize
      • DirectEstimator.aperture_centers
      • DirectEstimator.accuracies
      • DirectEstimator.frac_covs
      • DirectEstimator.dpix_hash
      • DirectEstimator.weight_outer
      • DirectEstimator.weight_inpainted
      • DirectEstimator.method
      • DirectEstimator.multicountcorr
      • DirectEstimator.shuffle_pix
      • DirectEstimator.tree_resos
      • DirectEstimator.tree_redges
      • DirectEstimator.rmin_pixsize
      • DirectEstimator.resoshift_leafs
      • DirectEstimator.minresoind_leaf
      • DirectEstimator.get_pixelization()
      • DirectEstimator.__getmap()
  • How orpheus works
    • Multipole decomposition
    • Hierarchical spatial hashing
    • Approximation schemes used in orpheus
      • The Discrete Estimator
      • The Tree-Approximation
      • The DoubleTree-Approximation
    • Dealing with data on the celestial sphere
  • Tutorial
    • Tutorial for tracer catalogs in orpheus
      • Introduction to the Catalog classes in orpheus
      • Decomposing a full-sky catalog
    • Tutorial for computing second-order statistics
      • Computing second-order clustering correlation functions
    • Tutorial for computing third-order statistics
      • Computing third-order shear statistics on a shape catalog
      • Computing second- and third-order shear statistics on a full-sky mock catalog
      • Computing galaxy-galaxy-galaxy lensing statistics
      • Advanced example: Higher-order statistics on the MICEv2 Catalog
    • Tutorial for direct aperture statistics estimators in orpheus
      • Computing higher-order aperture mass measures using the direct estimator
    • Tutorial for computing fourth-order statistics
      • Computing fourth-order shear statistics on a mock shape catalog
  • orpheus
    • Catalog
      • Catalog
      • ScalarTracerCatalog
      • SpinTracerCatalog
    • NPCF
      • BinnedNPCF
      • NNCorrelation
      • GGCorrelation
      • GGGCorrelation
      • GNNCorrelation
      • NGGCorrelation
      • NNNNCorrelation_NoTomo
      • GGGGCorrelation_NoTomo
    • Direct
      • DirectEstimator
      • Direct_MapnEqual
      • Direct_NapnEqual
      • MapCombinatorics
      • Direct_Map3Unequal
orpheus
  • Tutorial
  • Tutorial for tracer catalogs in orpheus
  • View page source

Tutorial for tracer catalogs in orpheus

Introduction to the Catalog classes in orpheus
Decomposing a full-sky catalog
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© Copyright 2026, L. Porth.

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