Plane Definition
- Last UpdatedJan 07, 2026
- 2 minute read
You must now define the plane at which to create and position the split markers:
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In the Plane Size box, enter the size of the plane.
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The method of defining the plane must now be selected using one of the following options, from the dropdown list:
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Select DB Planner Element, you can select a database element which can be translated in to a plane.
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Select Element, you will be prompted to identify element to define the plane in the 3D View.
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Select Ppoints, you will be prompted to identify design ppoint to define the plane at a chosen P-point in the 3D View, P-Points are described in the Getting Started with Marine and Basic Features of the Catalog.
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Select Pline, you will be prompted to Pick a P-line that can be translated into a plane to define the plane in the 3D View.
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Select Reference Grid, if a reference grid exists, you can select a reference grid to define a plane.
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Select Explicitly, the plane is displayed in the 3D View, you can define the plane explicitly with the Define Plane window:

You will be prompted to pick A HVAC element to position the plane in the 3D View or you can enter parameters into the Define Plane window.
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Options
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Choose to display the name (label), axes and whether the plane is filled:
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To display the label for the plane (in this example Plane [10018], select the Label checkbox.
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To display the axes for the plane, select the Axes checkbox.
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To display the plane, as filled, select the Filled checkbox.
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Position & Orientation
You can position and orientate the plane explicitly by changing the co-ordinates and axes of the plane.
Note: X, Y, Z, -X, -Y or -Z.
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If required, select one or all of the Lock check boxes to fix the current co-ordinate along the X, Y or Z axis.
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If required, the axes to which all co-ordinates are interpreted with respect to must now be set.
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If required, in the wrt box, input the name of the element to which all co-ordinates are interpreted with respect to.
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Select OK to close the Define Plane window and confirm the changes.
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Select Cancel to close the Define Plane window and discard any inputs.