Using indexes may slightly increase the time required to save a drawing. The indexes are used to improve performance during demand loading. So it may easily use up all your RAM even if the files are individually not large.ĭetermines whether layer or spatial indexes are created when you save a drawing. Remember that a DWG with several XRefs is loaded into RAM as if all of them are one large file. ACad's not that great once you start nesting XRefs. You're using ACad as you'd use SolidWorks with some part files inside an assembly file, then several assemblies inside a deliverable file. I think your problem is simply: too much xrefs. The main culprit in this is usually hatching, but hatching could form part of Groups or XRefs as well. I'd actually advise excluding all of them (just to be on the safe side). This does the same as Tools -> Options -> Selection (tab) -> Visual Effects Settings (button) -> Advanced Options (button) -> Check those you don't want highlighted when the cursor moves over them. This basically does the "partial load" automatically.īut definitely try Richard's idea with PreviewFilter (add those you want together and set the var to the result). You may also look at IndexCtl in all the DWG's (if you XClip / freeze xref layers). If you know what part of the drawing you will be working on, this can be a powerful tool. "Restore" opens the drawing as you last saved it. "Fully Open" opens the drawing with everything loaded. When you go to re-open your drawing, you will be given the option to "Fully Open" or "Restore" the drawing. You can always reload the ones that you want when in the drawing is open.Īnd if you are wondering if AutoCAD saves the drawing in this disabled state, the answer is yes and no. And if you want to play it completely safe, check the box "Unload all Xrefs on open". Thusly, this reduces the strain on you computer's memory. Say you know what xrefs and other geometry is taking up a lot of space you can just turn off the option to load any layer with the particular xref prefix prior to opening your drawing. It will give you the option to load a specific set of layers, and the option to unload all xrefs upon opening the drawing. It should give you options for "Open", "Open Read-Only", "Partial Open", & "Partial Open Read-Only". When opening a file, hit the down arrow to the right of the Open tab. This can be similarly done through menus if you "partially load" your drawing.
On the other hand, you do not want to overuse clipping or wipeouts, as they can make a drawing more complicated than it needs to be.Sytem Variable: PREVIEWFILTERWow! I wasn't aware of that one. When they are not, this can be a quick way to hide pieces of your drawing or images before plotting. As you may know, drawings are not always well organized. Here is the end result: Of course, this was only a simply example and layers could be used to accomplish the same task if the XREF was well organized. To hide the WIPEOUT frame, use the Express Tool TFRAMES in the command line. Alternatively type DR in the command line.
To adjust draw order, select an object, right-click, click Draw Order, and select the appropriate option. In this case I would want to bring my room labels and XR_B above the wipeout.
Finally, I will adjust the draw order of XR_B, room labels and wipeout, to hide the kitchen fixtures. Next, I will create a wipeout out to completely cover the dining room and kitchen area. Notice, if I reverse the XCLIP, the kitchen fixture and interior walls will be hidden and that’s not what I want. First, I will create an XCLIP around the exterior walls and that will hide the stairs and walkway. My goal here is to hide the stairs, walkway and kitchen fixtures, but show everything else. Here are two different external references overlayed on top of each other. Wipeout creates a mask that you can place anywhere on your drawing to cover all the entities beneath it. There are a few different types of CLIP commands, so pick the appropriate clip to use on the object XCLIP, IMAGECLIP, or VPCLIP. The boundary can be reversed to show the inside or outside of the object that you are clipping. First of all, an XCLIP takes an externally referenced drawing and hides certain areas using a boundary. The XCLIP and WIPEOUT commands are used to quickly hide specific areas in your drawing.
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