# ====================================================================
# Source code for cfdm_cf_concepts.svg
#
# cfdm_cf_concepts.svg created with:
#
# $ dot -T svg cfdm_cf_concepts.gv -o cfdm_cf_concepts.svg
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digraph {splines=ortho nodesep="+0.25"

# --------------------------------------------------------------------
# NetCDF variables
# --------------------------------------------------------------------
node [
     style="filled,bold"
     shape=rectangle
     fillcolor="#FFFFD8"
     width=1.0
     height=0.5
     fontname="Arial"
     ]

NetCDFDimension [label="NC::Dimension"]
NetCDFVariable [label="NC::Variable"]
NetCDFAttribute [label="NC::Attribute"]

# --------------------------------------------------------------------
# CF-netCDF elements
# --------------------------------------------------------------------
node [
     style="filled,bold"
     shape=rectangle
     fillcolor="#C3FFFF"
     width=1.0
     height=0.5
     fontname="Arial"
     ]

GenericCoordinate [
     label="<<abstract>>\nGeneric\nCoordinate\nVariable"
     fillcolor=white
     ]

Dimension [label="Dimension"]
CellMethods [label="Cell Methods"]
FormulaTerms [label="Formula Terms"]
AuxiliaryCoordinate [label="Auxiliary\nCoordinate\nVariable"]
Coordinate [label="Coordinate\nVariable"]
ScalarCoordinate [label="Scalar\nCoordinate\nVariable"]
Data [label="Data\nVariable"]
Domain [label="Domain\nVariable"]
CellMeasure [label="Cell\nMeasure\nVariable"]
AncillaryData [label="Ancillary\nData\nVariable"]
BoundaryVariable [label="Boundary\nVariable"]
GridMapping [label="Grid\nMapping\nVariable"]
MeshTopology [label="Mesh\nTopology\nVariable"]
LocationIndexSet [label="Location\nIndex Set\nVariable"]

# --------------------------------------------------------------------
# Invisible nodes used to aid in layout
# --------------------------------------------------------------------
node [
     width=0
     height=0
     size=fixed
     shape=none
     label=""
     ]
route1
route2
route3
route4
route5
route6
route7
route8
route9
route10
route11
route12
route13
route14
route15
route16

edge [arrowtail=none
      arrowhead=none
      dir=both
      arrowsize=1.0
      fontname="Arial"
      labelfontsize=11.0
      ]

Dimension -> route3 []
route3 -> NetCDFDimension [arrowhead=empty minlen=2]
CellMethods -> route1 []
route1 -> NetCDFDimension [arrowhead=vee headlabel="0..*   " weight=100]
CellMethods -> route2 []
route2 -> NetCDFAttribute [arrowhead=empty]

{rank=same; Dimension, route2, CellMethods}

NetCDFDimension -> NetCDFVariable [arrowtail=vee minlen=3 taillabel="    0..*"]
NetCDFVariable -> NetCDFAttribute [arrowtail=vee arrowhead=diamond minlen=3 taillabel="0..*    "]
{rank=same; route3, NetCDFDimension, NetCDFVariable, NetCDFAttribute}

FormulaTerms -> NetCDFVariable [arrowhead=vee weight=100 headlabel="1..*  "]
FormulaTerms -> route11 []
route11 -> NetCDFAttribute [arrowhead=empty weight=100]
{rank=same; route1, route11, FormulaTerms}

NetCDFVariable -> route7 [arrowtail=empty weight=100]
route7 -> Domain [weight=100]
GenericCoordinate -> route4 [weight=100]
route4 -> route5 []
route5 -> BoundaryVariable [weight=100]
route5 -> route6 []
route6 -> Data []
route6 -> route7 []
route7 -> route8 []
GridMapping -> route8 [weight=100]
route8 -> route9 []
route9 -> CellMeasure [weight=100]
route9 -> route10 []
route10 -> AncillaryData [weight=100]
route10 -> route15 []
route15 -> MeshTopology [weight=100]
route15 -> route16 []
route16 -> LocationIndexSet [weight=100]

{rank=same; route4, route5, route6, route7, route8, route9, route10, route15, route16}
{rank=same; GenericCoordinate, BoundaryVariable, Data, Domain, CellMeasure, AncillaryData GridMapping}

GenericCoordinate -> BoundaryVariable [arrowhead=vee arrowtail=none minlen=2 headlabel="0..1    "]

GenericCoordinate -> route12 [arrowtail=empty weight=100]
route12 -> AuxiliaryCoordinate [weight=100]
route12 -> route13 []
route13 -> Coordinate []
route13 -> route14 []
route14 -> ScalarCoordinate [weight=100]

{rank=same; route12, route13, route14}
{rank=same; AuxiliaryCoordinate, Coordinate, ScalarCoordinate}

# --------------------------------------------------------------------
# Invisible edges used to aid in layout
# --------------------------------------------------------------------
CellMethods -> route11 [style=invis weight=100]

}