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LandXML Conversion Notes (SWMM)

LandXML network data can be imported from xml files to SWMM networks.

This section contains conversion details regarding the import of the files.

LandXML*

InfoWorks ICM Network object

InfoWorks ICM Data Field

Notes
NUnk{NodeIndex} Node Node ID
LandXML/PipeNetworks/PipeNetwork/Structs/Struct/@ElevSlump Invert elevation
LandXML/PipeNetworks/PipeNetwork/Structs/Struct/@ElevRim - Elev Max depth

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='hydraulicNode']/Feature[@name='storage']/

Feature[@name='powerFunction']/Property[@name='coefficient']/@value

Coeff of shape function For Node type set to Storage.

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='hydraulicNode']/Feature[@name='storage']/

Feature[@name='PowerFunction']/Property[@name='exponent']/@value

Exponent of shape function For Node type set to Storage.

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='hydraulicNode']/Feature[@name='outfall']/

Property[@name='tideGate']/@value

Tide gate For Node type set to Outfall.

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature [@name='hydraulicNode']/Feature[@name='outfall']/

Feature[@name='backWater']/Property[@name='backWater']/@value

Fixed stage For Node type set to Outfall, and Outfall Type set to Fixed.
LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Center/@east x
LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Center/@north y
LUnk{Link.Index} Conduit Link ID
LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/@refStart Start Node
LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/@refEnd End Node
LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/@length Length

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/CircularPipe

|RectangularPipe|Channel|NaturalChannel|EggPipe|ElliPipe/@mannings

Manning's N

LandXML/PipeNetworks/PipeNetwork/Structs/Struct

[@name='{@refStart}']/Invert/[@RefPipe = '{LinkName}']/@elev - @elevSlump

Upstream elevation

LandXML/PipeNetworks/PipeNetwork/Structs/Struct

[@name='{@refEnd}']/Invert/[@RefPipe = '{LinkName}']/@elev - @elevSlump

Downstream elevation

[NKLASS]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/CircularPipe

|RectangularPipe|Channel|NaturalChannel|EggPipe|ElliPipe

[NKCTL] LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/EggPipe|ElliPipe LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ElliPipe/@height LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ElliPipe/@span

Conduit Shape For conduits with a Shape set to: CIRCULAR, FORCE_MAIN, FILLED_CIRCULAR, RECT_CLOSED, RECT_OPEN, TRAPEZOIDAL, TRIANGULAR, HORIZ_ELLIPSE, VERT_ELLIPSE, ARCH, PARABOLIC, POWER, RECT_TRIANGULAR, RECT_ROUND, MODBASKETHANDLE, EGG, HORSESHOE, GOTHIC, CATENARY, SEMIELLIPTICAL, BASKETHANDLE, SEMICIRCULAR, CUSTOM or IRREGULAR.
Orifice Exported as either CIRCULAR or RECT_CLOSED.

[DEEP]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/RectangularPipe

|Channel|EggPipe|ElliPipe/@height

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/CircularPipe/@diameter LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/@maxDepth

Conduit Conduit height
Orifice Orifice height
Weir Roof height

[WIDE]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/RectangularPipe/@width LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/Channel/@widthBottom LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ElliPipe/@span

Conduit Conduit width For conduits with a Shape set to: Rect_closed, Rect_open, Trapezoidal, Triangular, Horiz_ellipse, Vert_ellipse, Arch, Parabolic, Power, Rect_triangular, Rect_round, and ModBasketHandle.
Roughness D-W For conduits with Shape set to Trapezoidal ,and the Force main equation is set to D-W in the Model Parameters Options.
Roughness H-W For conduits with Shape set to Trapezoidal ,and the Force main equation is set to D-W in the Model Parameters Options.
Sediment depth For conduits with Shape set to Filled_circular.
Orifice Orifice width
Weir Weir width

[TTHETA]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/Channel/@widthTop

[DEEP]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/Circular/@diameter LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/RectangularPipe/@height LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/Channel/@height LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/@maxDepth LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/EggPipe/@height LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ElliPipe/@height

[WIDE]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/RectangularPipe/@width LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/Channel/@widthBottom LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/RectangularPipe/@width LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ElliPipe/@span .

[PTHETA]

N/A

Conduit Concrete size code For conduit Shape set to Arch, and Standard size code set to Concrete.
Standard size material For conduit Shape set to Arch.
Plate 18 size code For conduit Shape set to Arch, and Standard size material set to Structural plate 18" corner radius.
Plate 31 size code For conduit Shape set to Arch, Standard size material set to Structural plate 31" corner radius.
Steel 1/2 inch size code For conduit Shape set to Arch, Standard size material set to Steel 1/2 corrugated.
Steel inch size code For conduit Shape set to Arch, Standard size material set to Steel 1 corrugated.
Bottom radius For conduit Shape set to Rect_round.
Horizontal ellipse size code For conduit Shape set to Horiz_ellipse.
Left slope For conduit Shape set to Trapezoidal.
Right slope For conduit Shape set to Trapezoidal.
Shape exponent For conduit Shape set to Power.
Top radius For conduit Shape set t to ModBasketHandle.
Triangle height For conduit Shape set to Rect_triangular.
Vertical ellipse size code For conduit Shape set to Vert_ellipse.
Weir Left slope Exported when Weir type is set to Trapezoidal.

[TPHI]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/

Channel/@widthTop

Conduit Right slope For conduits with Shape set to Trapezoidal.
Weir Right slope Exported when Weir type is set to Trapezoidal.

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/

ConduitFactors/@numberOfBarrels

Conduit Number of barrels

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/

NaturalChannel/@name

Transect

[PLC]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ConduitFactors/

EnergyLossCoeff/@entranceLoss

[KU]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ConduitFactors/

PressureChangeCoeff/@ku

[KUCONST]

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ConduitFactors/

PressureChangeCoeff/@b

US headloss coefficient

[GEOFF] LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/ConduitFactors/

EnergyLossCoeff/@exitLoss

DS headloss coefficient

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/@leftOverbankMannings

Transect Left bank roughness

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/@rightOverbankMannings

Right bank roughness

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/@centerChannelMannings

Channel roughness

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/@name

Transect ID

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/@leftOverbankStation

Left bank offset

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/@rightOverbankStation

Right bank offset

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/DistanceStagePoint/@X // Looped

Elevation From the Profile field name of the Transect properties.

LandXML/PipeNetworks/PipeNetwork/Pipes/Pipe/NaturalChannel/

NaturalSectionShape/DistanceStagePoint/@Stage // Looped

Station From the Profile field name of the Transect properties.
LandXML/PipeNetworks/PipeNetwork/Structs/Struct/@name Subcatchment Outlet

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='HydrologyNode']/Feature[@name='Catchment']/

Property[@value='Area']

Area

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='HydrologyNode']/Feature[@name='Catchment']/

Property[@value='Impervious']

Imperviousness (%)

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='HydrologyNode']/Feature[@name='Catchment']/

Property[@value='Width']

Width

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='HydrologyNode']/Feature[@name='Catchment']/

Property[@value='Slope']

Slope

LandXML/PipeNetworks/PipeNetwork/XPCatchPolygon/

PolygonPointTable/PX/@pxlist

Points
LandXML/PipeNetworks/PipeNetwork/Structs/Struct/@name

Storage Curve

Curve ID

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='HydraulicNode']/Feature[@name='Storage']/Feature[@name='StepwiseLinear']/Feature

[@name='StepwisePoint']/Property[@value='Depth']

Depth From the Storage Array field name of the Curve Storage properties.

LandXML/PipeNetworks/PipeNetwork/Structs/Struct/Feature

[@name='HydraulicNode']/Feature[@name='Storage']/Feature[@name='StepwiseLinear']/Feature

[@name='StepwisePoint']/Property[@value='SurfaceArea']

Surface area From the Storage Array field name of the Curve Storage properties.

*The LandXML column shows the syntax (XPATH) of the LandXML file that corresponds to the InfoWorks ICM Data Field.

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