Starting in AutoCAD 2006, you can specify a highlight color and opacity to your selection areas as illustrated by the green area shown in the example below.

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Below is a description of these options and how to change them.

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If you want to go through the OPTIONS dialog, open it up and switch to the Selection tab. Click on the Visual Effect Settings button. Everything you need to control is there on the right half of this dialog, shown above. Read more about Selection highlighting in AutoCAD

Confused about the various polyline types that you see in AutoCAD?

From the end user perspective there are 3 polyline types listed in the PROPERTIES command, even though there are only two "entity" types.

  • polyline - this is an LWPOLYLINE entity, always 2D.
  • 2d polyline - this is a POLYLINE entity, also 2D.
  • 3d polyline - this is a POLYLINE entity, usually 3D, with each vertex at a different elevation. It is possible to have a "3d polyline" and have each vertex at the same elevation.

In AutoCAD, you can assign a non-continuous linetype to a 3D polyline, but it will not display or plot.

If you need 3D polylines, and you need a non-continuous linetype, for example to represent the flowline of a ditch - there are a couple of workarounds. Both assume that you have assigned the correct linetype to your 3D polylines.

    AU2007 badge

    Autodesk University 2007 is over. There were a lot of good classes, and a couple that....well, I'll get to that later...

    Here were some of my favorites.

      This is Part 2: (Part 1 is here)

      Now you have a drawing containing layouts with the proper plot settings. Let's do some more things.

      Create and scale additional viewports.

      Read more about Layout (paper space) tutorial: Part 2

      How do you "bind" a raster image in AutoCAD?

      Generally speaking, raster images can only be referenced into AutoCAD drawings. If you send the drawing to someone else, you must send the image file also. Use eTransmit to make this task easier.

      Short of using eTransmit, there are four (4) ways to more-or-less embed an image into an AutoCAD drawing. Read more about Bind a raster image

      Here is a quick guide on setting up a layout (or paper space) for plotting in AutoCAD 2000 and later. I used AutoCAD 2008 for these steps, and most of these steps should apply (except for the viewport locking) in all versions, 2000 and later. I know this looks like a lot of steps, but it's really easy. The best part is once you set up a layout, you never have to do it again. You can import this layout (or any other) into any other drawing. Read more about Layout (paper space) tutorial: Part 1

      If you have a CUI file that you would like to convert back to an MNU file, download cuitomnu.vlx.
      ( alternative download URL ) Read more about Convert CUI to MNU

      This bit of lisp code will toggle the background color from white to black to white in whatever space you are in. (no effect on the block editor though...) Read more about Toggle AutoCAD Background

      This is one of the new commands in AutoCAD 2008 that is sort of overlooked, but can save you a lot of time. If you use xrefs, then how many times have you had a problem with the parent drawing crashing? You might try running AUDIT or RECOVER on the parent drawing and find there are no errors, but you continue to have problems with this drawing. Read more about RecoverAll

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