Viewbase dimensioning issue...
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Hi,
I like the ViewBase commands and have taught them for 5 or 6 semesters. There has however been a persistent problem that I used to wrangle with when using viewports and still plagues me in ViewBase dimensioning.
Please find the attached file from a previous Cadalyst column at http://www.cadalyst.com/cad/autocad/yet-another-way-go-3d-2d-autocad-22137?page_id=2
I have placed the model into my template so as to use predictable settings that I am used to (.0625 & .125 dimension text, arrows, gaps, etc...)
Observe my dimensioning on the ANSI A layout (all base views are full scale). Notice in the top view that I used the Centermark command to manually place a centermark on one hole and used the diamter dimension to acquire the centermark on the other hole. Both look appropriate for full scale.
Now, observe my dimensioning on the ANSI A (2) layout (all base views are 1:2 scale). The diameter dimension appropriately scaled the centermark (albeit too small) but the maually placed cenetrmark is using the full scale data from the dimension style and not applying scale at all. It's the same size as the centermark in the first layout.
This occurs in any scale over or under 1:1 and has always been a problem on viewports when dimensioning in Paper Space and not in an activated viewport (MSPACE). Now that Base views are in play there is no option for MSPACE dimensions in a viewport so manipulation appears to be the only resolution.
I've longs asked for "Associative Center Marks" in ADESK wish lists and forums. Many users used to just nag me about not puting the dimensions on the Paper Space layout and instead activate the viewport and dimension inside. That isn't possible in this case. I wish Autodesk would simply create a 2nd centermark command that places a mark like placing a diameter or radius dimension. The mark would scale as dictated by the view scale and potentially like the viewport scale if integrated in that direction as well. They could also add a variable or step that permits the user to angle the centermark in the process, like when placing the centermarks on full or partial bolt patterns (in lieu of rotating, arraying, or other methods).
Your feedback and advice would be very much appreciated.
Thanks,
Blaine Young
CAD Adjunct Faculty
Frederick Community College
