x-Reference
Hello.I'm having a lot of trouble with x-reference drawings. I use a sheet drawing and bring in plans, sections, etc., as x-references. Inevitably, along the way, the x-reference seems to "forget" linetype and sometimes color. Most commonly, everything goes "continuous" and I have to go through the layers and reset each linetype that is anything but continuous.I'm beginning to notice how much of my time goes toward fighting with the program. This is discouraging.What am I doing wrong?VM
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I use the following rules to control the appearance of non-contineous linetypes.In the drawings I set the global ltscale at the scale I want the drawing to be printed. E.g. in a drawing I intend to print at a scale 1/50, I set the global ltscale to 50. In the Plotsheet drawing, global ltscale is set to 1. If you use paperspace layouts for printing, then you can use the PSLTSCALE variable to keep the appearance of non-contineous linetypes the same, regardless of the plotscale. Type PSLTSCALE at the command prompt to control the current status of this variable.P.S. My drawing units are centimeters.
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Since linetype definitions use drawing units to define the length of dashes and spaces, the global linetype scale is related to the real length of one drawing unit.
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Does paperspace make a difference? I've been using all modelspace.VM
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And furthermore....In my sheet drawing, the linetypes of the x-ref'd. drawings get changed to "continuous", for some reason unknown to me.
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Louis,Thanks for your notes. I've been doing the same with gloabal ltscale, although having long forgotten the reason.I've found a way to fix my problem, and I don't understand why it happened in the first place: when dashed lines go solid, I've discovered that settings in my referenced drawing have changed:1) Global ltscale has changed from "48" or whatever, to "1".2) Settings/Drawing Settings/Entity Creation/Entity Linetype has changed from "By Layer" to "Continuous". I don't know if this is true in every instance.Vaughn
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More about X-Ref:When I make changes in the referenced drawing, the only way (I think) I can bring the changes into my sheet drawing, is to Detatch the original, and bring it back with a new name (having saved it under a new name after making changes). The sheet drawing "remembers" the old drawing, and I have to get rid of it entirely.(More in next post.)VM
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After working with x-ref revisions in a drawing sheet for awhile, try opening Explorer - Layers, click menu "View", and set "XRef Layer Visibility" on (checked). The layers will show all the past attached and detached layers of all past x-ref'd drawings.I don't know what the effect is of that - but it's very confusing, at least.To clean house, I wblock the drawing out to a new version. Perhaps that is causing more problems?VM
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Correction to the last:I wblock the referenced drawing (plan, section, etc.) to clean it up and give it a new name.I purge the sheet drawing (the dwg I load the reference into).In the heat of the battle, sometimes the program crashes, so things get dicey.VM
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Sounds like one of the subsequent imported xrefs introduces the unwanted changes, but it has not happened to me. Purging should achieve what you want, in the xrefs and the sheet dwg. If there are "things" purging will not remove, you can Delete>all>Remove>window(subtract everything you can see).Sometimes there is something in Paperspace in a dwg which you don't notice or remember you put there (if aren't using pspace at the time), which prevents complete purging.Reloading an xref in a sheet dwg (after saving the xref) should update it, or close & reopen the sheet dwg. I have noticed purging the sheet dwgs loses all reference to xref layers, the only way to get at them is the longhand way - -Layer..set, freeze, ? etc.
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Well, I'll be darned.I just tried "reload", and it worked!I didn't think it worked. Thanks for your note.VM
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"Reload" works on simple drawings. Doesn't work on my drawings.VM
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I reload up to 4mb xrefs routinely and had no trouble with some much bigger. If that won't work, what happens when you close/reopen the sheet dwgs? Sounds like there is some corruption in one or more of the files involved - I have a lot of trouble with some ex-Autocad files. For some reason saving files as R14 is sometimes beneficial, certainly with cross reading between Acad and Icad. TTF's are one area which have been known to cause similar problems.
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Hmmm...I use true type fonts all the time.Will check out your suggestions.Thanks.
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If you have a problem reloading some xref files, we'd gladly investigate if you send us a sample.sander, BricsCad
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Sander,When I have time, I will. Very busy right now.Thanks,VM
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I have the same problem here with x-refs. as long as they r very small, there is no trouble. But if one has to reload larger drawings, BC just crashes! This is really driving me mad....Everytime i have to detach the 'old' x-ref then attach the new modified drwing again. This is too time demanding..D.
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DAT,X-Refs have been working very well for some time now, using Version 5.0.0023, although I haven't put out any production drawings in a while. I'm only doing in-house problem-solving drawings recently, so don't pay much attention to linetypes, etc.
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