Nyall Dawson 9ffae600f4 [FEATURE] Variable width buffers
Adds geometry methods to create variable width buffers, including
tapered buffers (with a specified start and end diameter) and
variable width buffers from line string m values.

Also adds processing algorithms which expose these methods
to processing.
2018-05-01 06:16:01 +10:00

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GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]