Dimensions changing by themselves.
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Today I was bought a printed drawing that had an incorrect dimension on it. After checking the .dwg file i couldn't see what was up. The osnap settings were standard, and the node points of the dimensions were snapped correctly onto the item. Also, nothing was in the Z plane. I was stumped, especially as it was only one dimension amongst many.
I draw everything 1:1 in model space then pull it into paperspace via viewports and dimension everything in a single dimstyle. The VP's are generically locked.
After many years use, i find this the easiest way of doing things. I also use associative dimensions as standard.
Anyway, after a while i managed to recreate this phenomenon (somehow). I made a viewport of scale 1:16 and dimensioned objects just like i normally would. This time however i was a little rushed so didn't use a a company standard dim layer.
So.....when i highlighted 5off dimensions at once and used the properties box to change their layer, i was rather astounded to see the middle of the (continued) dimensions change from 1111mm to 17776mm.
After a little digging it seems that DIMLFAC had randomly changed from -16 (as per the VP) to -256....as per what i don't know.
Sorry for the long story to get to this point but after reading many other similar issues it seems that a step by step approach may be beneficial.
If anyone could advise me upon a setting that my be askew or if i've done something obviously wrong then i'd appreciate it. At the moment this has bought about a distinct trust issue of AutoCad drawings whereas a singular changed and missed dimension could cost the company a fortune.
In 30 years of Acad use i've never seen before.
