Do not use SNAP TYPES before you take the measurement. That's the only way I was able to get exported measurements to export and match. Nothing else worked.
For some reason dimensions pick something up from the drawing when using SNAP TYPES. what's funny is that the incorrect measurement that appear in the exported CSV file have nothing to do with the preset drawing dimensions. Reason I know is because I created the drawing in Acad and printed to PDF as a test. The only way to dodge all sorts of issues is to ask the drawing author to flatten the Acad file before printing to PDF.
Do not use SNAP TYPES before you take the measurement. That's the only way I was able to get exported measurements to export and match. Nothing else worked.
For some reason dimensions pick something up from the drawing when using SNAP TYPES. what's funny is that the incorrect measurement that appear in the exported CSV file have nothing to do with the preset drawing dimensions. Reason I know is because I created the drawing in Acad and printed to PDF as a test. The only way to dodge all sorts of issues is to ask the drawing author to flatten the Acad file before printing to PDF.