create contours from scanned map and export it to dxf file

Discussion created by storkism on Oct 9, 2012
Latest reply on Oct 11, 2012 by MBoucher21
Hi everyone, I hope you can help me. I have an old map, which I scanned. In this scan (Tiff) I need to vectorize contours with appropriates elevations. Later I want do a TIN from it. Can you advise me the best way to do it please? I tryed tool Contour,but it needs define of interval and raster for automatic recognizing. But I want to do it manually.Thanks so much for help...