Creates grid planes that are perpendicular to the X- or Y-axes in the associated coordinate system. Generally, you create your coordinate system, then create the elevation planes, and then create the grid planes. The intersection of the grid plane and the elevation plane create grid lines.

Place more than one grid plane on the axis. If the grid lines are not bounded by two planes, the software creates them 100 m long, with a 1 m extension on each end.

In rectangular coordinate systems, grid planes define the grid line location with respect to the X- or Y-axis of the coordinate system. Grid planes are generally parallel to the X-Z or Y-Z plane of the coordinate system, but can be rotated (sloped) after placement. The grid line is defined by the intersection of the grid plane with the elevation plane. Optionally, you can place grid lines at all or some intersections. In general, use this command with rectangular coordinate systems.

For example, you created a design coordinate system for a pipe rack that you want to model. Using the Place Elevation Plane command, you create an elevation plane for each level in the pipe rack, including the ground level. Then you use this command to create the grid planes for each column row.

In radial coordinate systems, grid planes define the grid line location with respect to the north axis of the coordinate system. The grid planes are rotated about the coordinate system origin. The grid line is defined by the intersection of the grid plane with the elevation plane. You optionally can place grid lines at all or some intersections. In general, use the Place Radial Grids with radial coordinate systems.

Associated Elevation Planes Dialog Box

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