digraph GVmap {  
	label = "\n\nsrc data model"
	rankdir=TB
	node [ 
	  shape=tab
	  style=filled
	]
	subgraph cluster_packages {
	  label="Model"
	  rankdir=TB
      style=filled
      fillcolor="/set312/1"
	  
    "source" [
    URL="#source"
    label = "source"
    fillcolor="/set312/2"
    ] ;
    
	}
	
	node [
	shape=record
	fontsize=8
	style=filled] 
	"src:source.LuminosityType" [
    URL="#source.LuminosityType"
    label = "{<<enumeration>>\lsource/LuminosityType|+magnitude\l+flux\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.SourceClassification" [
    URL="#source.SourceClassification"
    label = "{<<enumeration>>\lsource/SourceClassification|+star\l+galaxy\l+AGN\l+planet\l+unknown\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.AlignedEllipse" [
    URL="#source.AlignedEllipse"
    label = "{<<datatype>>\nsource/AlignedEllipse|+longError : ivoa:real\l+latError : ivoa:real\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.CircleError" [
    URL="#source.CircleError"
    label = "{<<datatype>>\nsource/CircleError|+radius : ivoa:real\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.GenericEllipse" [
    URL="#source.GenericEllipse"
    label = "{<<datatype>>\nsource/GenericEllipse|+major : ivoa:real\l+minor : ivoa:real\l+pa : ivoa:real\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.SkyCoordinate" [
    URL="#source.SkyCoordinate"
    label = "{<<datatype>>\nsource/SkyCoordinate|+longitude : ivoa:quantity.RealQuantity\l+latitude : ivoa:quantity.RealQuantity\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.SkyError" [
    URL="#source.SkyError"
    label = "{<<datatype>>\nsource/SkyError}"
    fillcolor="/set312/2"
    ] ;
  "src:source.AstroObject" [
    URL="#source.AstroObject"
    label = "{source/AstroObject|+label : ivoa:string\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.LuminosityMeasurement" [
    URL="#source.LuminosityMeasurement"
    label = "{source/LuminosityMeasurement|+value : ivoa:quantity.RealQuantity\l+error : ivoa:quantity.RealQuantity\l+description : ivoa:string\l+type : src:source.LuminosityType\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.SkyCoordinateFrame" [
    URL="#source.SkyCoordinateFrame"
    label = "{source/SkyCoordinateFrame|+name : ivoa:string\l+documentURI : ivoa:anyURI\l+equinox : ivoa:string\l+system : ivoa:string\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.Source" [
    URL="#source.Source"
    label = "{source/Source|+name : ivoa:string\l+description : ivoa:string\l+position : src:source.SkyCoordinate\l+positionError : src:source.SkyError\l+classification : src:source.SourceClassification\l}"
    fillcolor="/set312/2"
    ] ;
  "src:source.TwoMassSource" [
    URL="#source.TwoMassSource"
    label = "{source/TwoMassSource}"
    fillcolor="/set312/2"
    ] ;
  
 
    edge [color="red", arrowtail="none", arrowhead="empty"]
    "src:source.AlignedEllipse" -> "src:source.SkyError" ;
  "src:source.CircleError" -> "src:source.SkyError" ;
  "src:source.GenericEllipse" -> "src:source.SkyError" ;
  "src:source.Source" -> "src:source.AstroObject" ;
  "src:source.TwoMassSource" -> "src:source.Source" ;
  
 
    edge [color="blue", arrowhead="open", arrowtail="diamond",dir="both",fontsize="10"]
    "src:source.Source" -> "src:source.LuminosityMeasurement" [headlabel="0..*",label="luminosity",labelfontsize=10] ;
  
 
    edge [color="green", arrowhead="open", arrowtail="none"]
    "src:source.SkyCoordinate" -> "src:source.SkyCoordinateFrame" [headlabel="1",label="frame",labelfontsize=10] ;
  "src:source.LuminosityMeasurement" -> "photdm-alt:PhotometryFilter" [headlabel="1",label="filter",labelfontsize=10] ;
    
}