Linking DWG files results in changes to linetypes.
During linking process Revit seems to omit certain linetypes. While DWG is being linked on small scales (eg. 1:5, 1:50) the lines are working correctly. As soon as I try linking the same file on scale 1:500 some dashed lines are being changed to continues. My suspicion is that it has something to do with hardcoded minimal distance between elements for line pattern in Revit.
Is there a way around this?
I would like to note that linked DWG has hundreds of linetypes, and I do not intend to set them manually.
I am sure. Line pattern that is imported at scale 1:500 is empty (Continues line), but if I do import the same file under different scale (1:100) the line pattern is being imported correctly. After setting the scale back to 1:500 it gets 5 times denser, and effectively continues.
It seems that when Revit tries to import line pattern it takes under consideration scale, and to mimic exact same line pattern of DWG it calculates "real" distances between dashes. If it comes up with dash distance smaller than its minimum distance, then it just omits this line pattern (or rather it imports given pattern as empty). Revit couldn’t care less.
Below screenshot showing the same line pattern, that came from DWG import, difference made by changing the scale in Revit view before reloading link.
We have the same problem with scaling the line types when linking/importing from dwg. We work as landscape architects in an assignment and all the dwg files we use is in the unit meter. When we link dwg that is in the unit meter to Revit, all lines become solid. When I looked at the line patterns on the imported line types, it turned out that they are very strange. All line patterns are scaled up 1000 times.
From dwg file in the unit meters
If you change the scale of the dwg file to millimeters and scale it up 1000 times and then import into Revit, it becomes correct.
From dwg file in unit millimeters
I have registered a support case with Autodesk so that they can look at this. This cannot be correct.
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