Trace Architect's Light Fixtures

The Trace Architect's Light Fixtures command is used to trace a light fixture layout from another drawing that was done by someone else.

Before using this command, create light fixtures using the Light Fixture Project Schedule command.

This command should be run from the drawing that you are copying the light fixture layout from. The drawing should not be one where you are doing your electrical design.

To trace the light fixtures, go to

Ribbon: DM Electrical->Devices-> dm_elec-ltg-trace Trace Architect's Light Fixtures

Pulldown Menu: DM Electrical->Light Fixtures->Trace Architect's Light Fixtures

The Background Mapper dialog box will appear.

Background Mapper Dialog Box

Light Fixture--Trace Architect's Light Fixtures Dialog Box

The list in the top-left of the dialog displays all of the light fixtures currently defined in the project schedule. Each callout can be mapped to a specific block on the drawing. Callouts that are currently mapped will list the block to which they are currently mapped.

Select Block to Map to Callout: Pres this button to select the block on the drawing that will be mapped to the currently selected light fixture callout. If the callout is already mapped to a block, it will be overwritten with the newly selected block.

Remove Block from Select Callout: Pres this button to remove the block to which a callout is mapped. The callout will no longer be mapped to a block.

Tracing the Light Fixtures

After all of the callouts are properly mapped to blocks, press the OK button to continue.

You will then be prompted to select the location of the alignment point on the drawing. It is important to select the same location on this drawing as for the alignment point on the destination drawing.

Select alignment point location:

Next, you will be prompted to specify the north direction on the current drawing.

Select north direction:

You will then be prompted to select the blocks to actually map. Using this selection, it is possible to map only part of a drawing, if desired.

Select blocks to map:

Finally, you will be prompted to select the drawing to which to map the light fixtures. It is important that no one, including yourself, have this drawing open. If anyone does, the command will fail.

Select Drawing to Map Devices to Dialog Box

Light Fixtures--Trace Architects Light Fixtures.Select Drawing dialog box

The selected drawing will be opened and the light fixtures will be inserted on it.

When inserting the light fixtures, a check is made to see if a light fixture already exists in each location. If there is one, a new light fixture is not inserted on top of the other one. This feature prevents duplication of light fixtures on your drawings.

It is possible to take an updated plan from your architect and run this command on it again. Light fixtures that have not moved will not be duplicated. New light fixtures or light fixtures that have been moved will be reinserted on the drawing. It will be necessary for you to go back and manually erase any light fixtures that have been removed.

Light Fixture Blocks Not Inserted Correctly

When you run the command, it is possible that the light fixture blocks that are inserted will not exactly match the blocks that the architect inserted. They might be offset slightly or rotated at a different angle.

The cause of this error is that your block and the architect's block have a different insertion point and rotation angle. If you insert both blocks at the exact same location with a rotation angle of 0, they will not match.

The solution is to create a new block or redefine your existing block so that it matches the architect's block. Use standard AutoCAD commands to create or modify the block so that it looks correct. Then use the Create Plan View Block from This Drawing to configure the block for use as a light fixture.

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