Monday, March 16, 2009

AutoCAD 2007 OOPS Command

Command entry: oops

OOPS restores objects erased by the last ERASE command

AutoCAD-OOPS-Command

You can also use OOPS after BLOCK or WBLOCK because these commands can erase the selected objects after creating a block. However, you cannot use OOPS to restore parameters, actions, or grips in the Block Editor.

You cannot use OOPS to restore objects on a layer that has been removed with the PURGE command.

Monday, February 16, 2009

3D DWF Publish Dialog Box in AutoCAD

Allows you to publish a three-dimensional model as a Design Web Format™ (DWF™) file. 3D DWF Publishing, a technology preview in AutoCAD® 2006, is now a standard AutoCAD feature.

3D DWF Publish-Dialog-Box-in-AutoCAD

Objects to Publish
Specifies whether all model space objects or selected model space objects are published to the DWF file.

All Model Space Objects

All model space objects are published to the 3D DWF file.

Select Model Space Objects

Allows you to create a selection set of model space objects, including external references, which are published to the 3D DWF file after you click OK.

Select Objects

Active only when Select Model Space Objects is enabled. Clicking this button minimizes the dialog boxes and lets you select objects in the drawing workspace. When object selection is completed, press ENTER and the 3D DWF Publish dialog box reappears reporting the number of objects selected for publishing.

3D DWF Organization
Specifies how to group objects in the DWF file for viewing in Autodesk® DWF™ Viewer.

Group by Xref Hierarchy

Arrange objects by xref hierarchy in the viewer. If unchecked, externally referenced files are listed in the viewer like any other objects.

Options
These options let you specify if materials are published in the DWF file.

Publish with Materials

Most materials you have assigned to your model will be published to the 3D DWF file. If your material contains texture mapping, only the Diffuse Map gets published along with its scale and orientation data. Including materials will not significantly affect the size of your 3D DWF files. Default=active.

Note Materials that are not supported in 3D DWF include Bump, Opacity, and Reflection mapping, as well as all forms of procedural materials, which include Wood and Marble.

source: Help Menu AutoCAD 2007

Saturday, November 15, 2008

AutoCAD Tutorial : Concept of Mirror

You can flip objects about a specified axis to create a symmetrical mirror image.

Mirroring is useful for creating symmetrical objects because you can quickly draw half the object and then mirror it instead of drawing the entire object.

You flip objects about an axis called a mirror line to create a mirror image. To specify this temporary mirror line, you enter two points. You can choose whether to erase or retain the original objects.


AutoCAD_Tutorial.jpg

When you mirror text, attributes, and attribute definitions, they are reversed or turned upside down in the mirror image. If you want to prevent this, set the MIRRTEXT system variable to 0 (off). Text then has the same alignment and justification as before the mirroring.

AutoCAD_Tutorial.jpg

MIRRTEXT affects text that is created with the TEXT, ATTDEF, or MTEXT commands; attribute definitions; and variable attributes. Text and constant attributes within an inserted block are mirrored as a consequence of mirroring the entire block. These objects are reversed regardless of the MIRRTEXT setting.

Mirror in 3D
With MIRROR3D, you can mirror objects across a specified mirroring plane. The mirroring plane can be one of the following:
  • The plane of a planar object
  • A plane parallel to the XY, YZ, or XZ plane of the current UCS that passes through a specified point
  • A plane defined by three specified points (2, 3, and 4)

AutoCAD_Tutorial.jpg

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