Import drawings parameters 
Customize the conversion of pdf files to images or vector drawings.
· Dpi: See Dpi resolution.
· Ignore points: If checked, the points of the pdf file will be omitted, resulting in smaller file sizes.
· Max elements No: If the pdf file has more elements than this upper limit, then a warning will be shown in the ‘Status’ column. However ExtrAXION will still try to convert the pdf file to a vector drawing, if the user insists.
· Merge polylines: The number of passes that ExtrAXION will do, while it tries to merge lines into a polyline. Increase this to reduce the file size, at the expense of slower import process.
· Text height/width scale factor: Adjust this factor appropriately to match the text size of original drawing.
· Convert line to point if shorter than: Short lines will be converted to points in order to minimize elements and file size.