New answers tagged generalisation
Have you searched Google? A quick search for "techniques for generalizing roads" threw up this Continuous_Road_Network_Generalisation.pdf Selection of roads Wikipedia
Have a look at this page. Follow the instructions, you can select multiple polygons by drawing a box around them with the tool and then run the generalize edge tool. Here is a polygon with "extra" vertices: After running the Generalize edge tool and fiddling around with the tolerance scroll bar I created this: Your question gives no indication of the ...
I can only speak for ArcGIS, but since you didn't mention any specific software, here's my answer. The Simplify Polygon tool with the POINT_REMOVE option should do what you want. From the help: POINT_REMOVE—Keeps the so-called critical points that depict the essential shape of a polygon and removes all other points
Project polygons Add geometry attributes, inside centroids coordinates and convert to points to store attributes Convert polygons to polylines and simplify them. Build polygons and transfer attributes using spatial join
I recommend you to use the brand new geoalgorithm from QGIS 2.14.1, named Smooth.py With Smooth Geometry it's possible to smooth the entire polygon, not only the boundaries, as in Chaiken method from v.generalize
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