How to Draw Cloud in Autocad 2011

Revision clouds are polylines that consist of sequential arcs. They are used to call attention to parts of a drawing during the review stage.

If you review or redline drawings, you can increase your productivity by using the Revision Cloud feature to highlight your markups. REVCLOUD creates a polyline of sequential arcs to form a cloud-shaped object. You can select a style for a revision cloud: Normal or Calligraphy. If you select Calligraphy, the revision cloud looks as if it was drawn with a calligraphy pen.

You can create a revision cloud from scratch, or you can convert objects, such as a circle, ellipse, polyline, or spline, to a revision cloud. When you convert an object to a revision cloud, the original object is deleted if DELOBJ is set to 1 (the default).

You can set the minimum and maximum default values for the arc lengths of a revision cloud. When you draw a revision cloud, you can vary the size of the arcs by using pick points for the smaller arc segments. You can also edit the individual arc lengths and chord lengths of a revision cloud by adjusting the pick points.

REVCLOUD stores the last used arc length as a multiple of the DIMSCALE system variable to provide consistency among drawings with different scale factors.

Make sure that you can see the entire area to be outlined with REVCLOUD before you begin the command. REVCLOUD is not designed to support transparent and real-time panning and zooming.

Procedure

To create a revision cloud from scratch

1. Click Home tab Draw panel Revision Cloud . At the Command prompt, enter revcloud.
2. At the Command prompt, specify a new minimum and maximum arc length or specify a revision cloud starting point.

   The default minimum and maximum arc lengths are set to 0.5000 units. The maximum arc length can be no more than three times the minimum arc length.

3. Guide the crosshairs along the cloud path. You can click pick points along the path if you want to vary the size of the arcs.
4. Press Enter at any time to stop drawing the revision cloud.

   To close the revision cloud, return to its starting point.

To create revision clouds with a calligraphy pen style

To convert an object to a revision cloud

1. Click Home tab Draw panel Revision Cloud . At the Command prompt, enter revcloud.
2. At the Command prompt, specify a new minimum and maximum arc length or press Enter.

   The default minimum and maximum arc lengths are set to 0.5000 units. The maximum arc length can be no more than three times the minimum arc length.

3. Select the circle, ellipse, polyline, or spline that you want to convert to a revision cloud.

   To reverse the direction of the arcs, enter yes at the Command prompt and press Enter.

4. Press Enter to change the selected object to a revision cloud.

To change the default values for arc lengths in a revision cloud

1. Click Home tab Draw panel Revision Cloud . At the Command prompt, enter revcloud.
2. At the Command prompt, specify a new minimum arc length and press Enter.
3. At the Command prompt, specify a new maximum arc length and press Enter.

   The maximum arc length can be no more than three times the minimum arc length.

4. Press Enter to continue with the command or ESC to end the command.

To edit the individual lengths of arcs or chords in a revision cloud

1. In your drawing, select the revision cloud you want to edit.
2. Move the pick points along the path of the revision cloud to change the arc lengths and chords.

Quick Reference

Commands

REVCLOUD

Creates a revision cloud using a polyline.

System Variables

DIMSCALE

Sets the overall scale factor applied to dimensioning variables that specify sizes, distances, or offsets.

DELOBJ

Controls whether geometry used to create 3D objects is retained or deleted.

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Source: http://docs.autodesk.com/ACD/2011/ENU/filesAUG/WS1a9193826455f5ffa23ce210c4a30acaf-6eb5.htm

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