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Erase Double Line (Window)

The EraseĀ DoubleĀ LineĀ (Window) command is used to erase the 2D ductwork for all of the ducts in a windowed area.

To erase the 2D graphics for ducts, go to
Ribbon: DMĀ HVACā†’Ductsā†’Ā Ā EraseĀ DoubleĀ LineĀ (Window)
Pulldown Menu: DMĀ HVACā†’2DĀ Draftingā†’EraseĀ DoubleĀ LineĀ (Window)

You will be prompted to specify the first point of the window around the 2D ductwork to erase.

First crossing point around double line to erase:

You will then be prompted to specify the second point of the window.

Second crossing point:

All of the 2D ductwork that is inside or crossed by the window will be erased.