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Asbuilt minus Design or Design minus Asbuilt?
For a spreadsheet, of say anchor bolts, comparing asbuilt north, east, elev to design north, east, elev – Is there a convention for this?
My logic wants the delta values to tell me what I have to do to make things where they should be, hence design-asbuilt, but this seems contrary to most other peoples logic who want the delta values to indicate where you are in relation to where you should be, hence asbuilt-design.
The cutsheet in Carlson Survey allows either way, although it asks for “survey” points first and ‘design” points second.
I’m prepared to mend by illogical ways, but I can’t say I’ve ever seen it stated in any text book or survey software that it should be one way or the other.
Thanks
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