This example shows how to render contours using GeoJSON data streams. The contours show density of
Oil, Gas, or Water production based on wells in the area. Use the product selector
to switch between contour values.
| Product:
|
|
| Markers:
|
|
Labels:
|
|
|
This example uses the d3 (v3) library for generating color ranges for
each contour level. Contours were generated using Quantum GIS Desktop using the
Contours plugin triangulation routine.