Variable-Width Buffers in JTS

Inspiration:  this post on the JSTS group (with an image - good job on requirements!)

JTS implementation: in the lab

Code:   Geometry geom = VariableWidthBuffer.buffer( line, 10, 80 );

Output:

SliceGraphs in JEQL

In the interests of increasing blog output, I'm going to experiment with using a terser style in posts where the content is mostly self-explanatory.  Sort of an embedded microblog...

Inspiration: original Population Lines print , this plot from the Line Graphs in R blog post:

Data: SEDAC World Population grid, subsampled

JEQL script

Plot: