I've read all the forums and help, but nothing works.
I have hundreds of historical maps, and am trying to make polygons out of some map features on many of them. I am hoping to use ArcScan to speed up the process, instead of manually digitizing everything.
But no matter what I do, the ArcScan toolbar will not let me start raster cleanup or vectorization, or even let me choose the raster layer I'm working on.
I have checked the extension licenses and everything is enabled.
I started with a trial map, which I have georectified (using spline). It wasn't letting me do "Rectify" in the Georeferencing toolbar, so I followed some advice on the forums and used the ArcToolbox tool "Copy Raster". That worked, finally. I put the image in black and white and did "Classify" in the Symbology tab - 2 classes, so it's binary.
I also made sure to have a vector layer open in my map document as well as the raster I'm working with. And I enabled editing before opening the ArcScan toolbar.
What am I missing?