restructure type tree

Author: michael-petersen

Project.toml

@@ -1,14 +1,15 @@
 name = "DistributionFunctions"
 uuid = "c869f47d-2815-40f9-b874-25ebe83f43af"
-version = "0.0.7dev"
+version = "0.0.8dev"
 
 [deps]
 OrbitalElements = "a3b07092-bde3-4843-b84f-c597d614ec7b"
 HypergeometricFunctions = "34004b35-14d8-5ef3-9330-4cdb6864b03a"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 
 [compat]
-julia = "1.6.7" # Equivalent to "^1.6.7", will allow any 1.a.b version with a.b>=6.7
+julia = "1.6.7"
+OrbitalElements "2"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/Analytic/Isochrone/isochrone.jl

@@ -1,7 +1,7 @@
 #####################################
 # Isochrone distribution functions (analytic)
 #####################################
-abstract type IsochroneDistributionFunction <: DistributionFunction end
+abstract type IsochroneDistributionFunction <: SphericalDistributionFunction end
 struct IsotropicIsochrone{modelT<:IsochronePotential} <: IsochroneDistributionFunction
     potential::modelT # Potential model
 end

src/Generic/DFs.jl

@@ -6,6 +6,22 @@ Abstract type for distribution functions
 """
 abstract type DistributionFunction end
 
+"""
+Geometries
+"""
+abstract type SphericalDistributionFunction <: DistributionFunction end
+abstract type RazorThinDiscDistributionFunction <: DistributionFunction end
+
+"""
+Defining Coordinates
+"""
+abstract type EnergyOnlyDistributionFunction <: SphericalDistributionFunction end
+abstract type SphericalEnergyAngularMomentumDistributionFunction <: SphericalDistributionFunction end
+abstract type SphericalActionDistributionFunction <: SphericalDistributionFunction end
+
+abstract type DiscEnergyAngularMomentumDistributionFunction <: RazorThinDiscDistributionFunction end
+abstract type DiscActionDistributionFunction <: RazorThinDiscDistributionFunction end
+
 #####################################
 # Generic functions
 #####################################