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What's New in IntelliCAD 2001

Xref Clipping

With IntelliCAD 2001, after attaching a drawing as an xref, you can define a clipping boundary by using xclip.

A clipping boundary can define a portion of a xref while suppressing the display of geometry outside of the boundary. Clipping applies to an individual instance of an xref, not the xref definition itself. The portion of the xref within the clipped boundary remains visible, and the remainder of the xref becomes invisible. The referenced geometry is not altered, only the display of the xref is edited.

You can use xclip to create a new clipping boundary, delete an existing boundary, or generate a polyline object coincident with vertices of the clipping boundary. Xref clipping can be turned on or off. When a clipping boundary is turned off, the boundary is not displayed and the entire xref is visible, provided that the geometry is on a layer that is on and thawed. When a clipping boundary is turned off, it still exists and can be turned on. However, deleting a clipping boundary is permanent. For more information about xclip, see the Command Reference.

After an xref has been clipped, it can be edited, moved, or copied just like an unclipped xref. The boundary moves with the reference. If an xref contains nested clipped xrefs, they appear clipped in the drawing. If the parent xref is clipped, the nested xrefs are also clipped.

If you want to see the clipping boundary, you can turn on the xclipframe system variable. xclipframe determines whether or not the clipping boundary frame is displayed. When the clipping frame is on (set to 1), it can be selected as part of the object and plotted.

You can also partially hide blocks using the xclip tool.

1. Type xclip at the command prompt. The command window reads: Select objects:

2. Select the xrefs and/or blocks you want to be affected by the clipping boundary. All selected xrefs and blocks highlight.

3. Press <Enter> to indicate you don’t want to add any more objects.

4. Press <Enter> twice to accept the default options (creating a new rectangular boundary). The command window reads: Specify the first corner:

5. Click to define the first corner of the clipping rectangle. The clipping rectangle displays dynamically on the screen. The command window reads: Specify the opposite corner:

6. Click to define the clipping rectangle. The selected xrefs and/or blocks are clipped by the rectangle.

Alternatively you can first select all blocks and/or xrefs, then right click and select Xref Clip from the context menu.

To control the display of the clipping boundaries: type xclipframe at the command prompt and choose "on" or "off" from the context menu.

Clipping boundaries are moved, rotated and scaled along with the object.

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