Follow these steps to add an automatically loading LISP routine to your ACAD STARTUP.
1. Save the LISP file with lsp extension to your C drive in this directory C:\Documents and Settings\username\Application Data\Autodesk\..your AutoCAD version here..XX\RXX.0\enu\lisp routines folder.
2. Open AutoCad and type “APPLOAD” in the Command line.
3. When the dialogue box pops up, click on
the “contents…” button in the bottom right hand corner (“Startup suite”).
4. In the Startup Suite dialogue box, select the “Add…” button.
5. Browse for your LISP file with .lsp extension that you have saved before.
6. Click Add once you find your lisp file.
7. Close all dialogue boxes and you are done.
The next time you open AutoCAD the lisp routine will automatically load without any command invoke.
Use this command If you need to quickly rotate the crosshairs on the screen at a specific angle so you can draw along any object alignment without having to change The UCS settings nor rotating the view:
In the command line type SNAPANG. When prompted enter the new angle rotation for the crosshairs.
Have you noticed that when you double click inside a viewport in AutoCAD, the view automatically zooms out and then you have to rescale the viewport? It could be really annoying, especially if you do not know the original scale of the viewport. Well, it has something to do with your UCS setting. To correct that, you need to change the UCSFOLLOW value to “0”. To make the change, try this: while inside the viewport type UCSFOLLOW in the command line and enter “0” for the value. That corrects only the current viewport, because the UCSFOLLOW setting is saved separately for each viewport. Apply the same method for each viewport
In AutoCAD we often get an error message about proxy AEC objects when we open a drawing.
Proxy objects are objects that were created by an unavailable ObjectARX application such as Revit software. These proxies carry information that is not supported in AutoCAD. However, you do not need the original application to display the object in AutoCAD. You can get rid of the proxy objects by creating a new version of the drawing with all the AEC exploded.
To do that:
- Type AECTOACAD or –EXPORTTOAUTOCAD in the command line.
- Hit Enter for filename.
- Type the new name for the new file.
When you open the new file you have just created, the annoying proxy error pop up will not show anymore.
A lot of times people encounter the situation where they have so many layers in a drawing and some are duplicated with slightly different layer names; for example: M-WALL-N, M-WALL-NEW or M-HVAC-EQPM, M-EQPM-HVAC. Sometimes the layer is occupied by an inserted block that is not used on the plan. Other times, the layer is not occupied by an object. If you try to purge the drawing the layer still will be there.
In AutoCAD, you can merge unused layers into another used layer by using the LAYMRG command. It is helpful in cleaning up your layers and organizing them, especially when you need to convert your drawing standard to a different given standard. That might happen if you are working with someone else or another firm who has a different layer naming convention.
To merge layers:
1. Type LAYMRG in the command prompt.
2. Select the layer you need to merge.
3. Hit enter or the spacebar on your keyboard.
4. Select the target layer you want to merge to.
5. Select or type “yes” when asked.
6. Press enter or the space bar on your keyboard.
The old layer should now be deleted and purged out of the drawings. You can merge more than one (1) layer at a time to a target layer. Simply select the layers to be merged one after the other before you hit enter or the space bar.
NB: To use this command, your merging layer should not be set as current.
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