Is there any way that I can find the default physical measurement unit, i.e. milimeter, inch, etc. that is used in the CAD drawing? It seems to me that the only property that I found that is somewhat related to measurement unit is the MMToPixelX property of CADImage.
What is this anyway? From the help file, my guess is the value is the number of milimeters that each unit in the CADImage represent? Thus, if I have two points returned from CADImage that is at (0, 0) and (0, 10), with MMToPixelX having a value of 0.1, meaning that the distance between that two points is 1 millimeter? Does this apply to other dimension as well, i.e. Y and Z dimension, as the "X" at the end of MMToPixelX looks a bit suspecious to me.
Also, how reliable is this property? Is it always available? As far as I know, a user create a DXF files in AutoCAD that is "unitless". In this case, what is the expected value of MMToPixelX. What if the unit set by the user is in units other than millimeter? Does CADImport will convert them to MM automatically to produce consistent result for the MMToPixelX property?
I know there is a lot of questions here. But I really need to find out how can I retrieve the physical measurement unit information from the DXF file.
Thanks. Any help is grealy appreciated.
<b>Objective World Pvt. Ltd.</b>
"<i>Turning Knowledge Into Wisdom.</i>"
http://www.objectiveworld.com