If you export a single map to a vector file format, and the Scaling page in the Export Options dialog does not list Map as an avialbale Scaling source, then the map is most likely rotated (A rotated map cannot be exported in map units) or you are using an older version of Surfer (this option was introduced in Surfer 12). Your products are wonderful and I recommend them to my students. Petr F. Kartsev, PhD Department of Solid state physics I started a Live Chat session today and just want to praise the superior skill sets and excellent support of the technical support person I spoke with. She is extremely knowledgeable about your products and addressed all my questions. I am extremely happy with my interactions with her.a prospective client Copyright © 2016 Golden Software, LLC. All rights reserved. The names and logos for Surfer, Grapher, Voxler, MapViewer, Didger, Strater and Golden Software are registered trademarks of Golden Software, LLC. Source.