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AVEVA™ Unified Engineering

Create Triangular Tower Reference Grid

  • Last UpdatedAug 14, 2025
  • 4 minute read

Creates a triangular tower reference grid which contains three horizontal faces and an additional vertical face (on the Z axis).

  • If a GRDWL element is not available, Model creates a Grid World (GRDWL) element, by default.

  • If a single GRDWL element is available, the triangular tower reference grid elements are created below the GRDWL element, by default.

  • If multiple GRDWL elements are available and the GRDWL element is not selected upon grid creation, the reference grid elements are created below the first GRIDWL in the hierarchy, by default.

You are prompted to Specify grid origin or

Input values in the dimension fields and press Enter or click to identify the grid origin position.

You are then prompted to Specify bottom side length or

Input a dimensional value in the field and press Enter or click to identify the bottom dimensions.

You are then prompted to Specify bottom elevation or <Next>

Click the sphere grip and input a dimensional value in the field and press Enter or click to identify the bottom elevation of the grid.

The prompt is repeated, allowing you to modify the bottom elevation of the grid.

Input N at the prompt and press Enter to specify the top dimensions.

You are then prompted to Specify top side length or

Input a dimensional value in the field and press Enter or click to identify the top dimensions of the grid.

You are then prompted to Specify Alignment or <Next>

Click the sphere grip and input values in the dimension fields and press Enter or click to identify the alignment of the top of the grid measured as an offset distance from the center.

Alternatively, select an alignment grip to identify the alignment of the top of the grid.

You are then prompted to Specify Alignment or <Next>

Input N at the prompt and press Enter to specify the grid height.

You are then prompted to Specify tower height or

Input a dimensional value in the field and press Enter or click to identify the grid height.

You are then prompted to Specify plane along Z axis or <Finish>

Input a dimensional value in the field and press Enter or click to identify a plane position along the Z axis. All elevation plane positions along the Z axis are measured from the grid origin.

The prompt is repeated, allowing you to create multiple grid planes along the Z axis.

Input F at the prompt and press Enter to end the command. A grid is created with specified planes and displays in the 3D view.

Throughout the grid creation process you can press ESC to cancel the command. Additional functionality is also available.

Name

Press the down arrow key and select Name to define the grid name.

You are prompted to Grid name

Input a unique name in the field and press Enter to name the grid.

By default, the grid name is used to populate the Name property of the Reference Grid (REFGRID) member elements.

Two corners

Press the down arrow key and select Two corners to define the dimensions of the bottom or the top of the grid by specifying two corner points.

Origin

Press the down arrow key and select Origin to define the grid origin position.

You are prompted to Specify grid origin or

Input values in the dimension fields and press Enter or click to identify the grid origin position.

Corner

Press the down arrow key and select Corner to define the grid dimensions of the bottom of the grid by specifying a corner point.

You are prompted to Specify the bottom corner or

Input values in the dimension fields and press Enter or click to identify the corner point.

Dimensions

Press the down arrow key and select Dimensions to define the dimensions of the bottom or the top of the grid by specifying a dimension point measured from the grid origin.

Next

Press the down arrow key and select Next to proceed to the next grid creation process.

Back

Press the down arrow key and select Back to undo the last action.

Finish

Press the down arrow key and select Finish to end the command.

The new reference grid elements display in the Model Explorer.

Refer to Non-Routed Item for further information.

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