LineLayers are one of the fundamental data types in Openwind. They are very similar to PointLayers except for the fact that they contain lines instead of points. LineLayers are useful for representing road layers, terrain contours, water courses, cable networks and so on.
To be precise, a LineLayer contains one or more poly-lines, with a single poly-line consisting of one or more line fragments.
The Color By Field button brings up the following dialog
See the Interpretation section for an explanation of assigning meaning to LineLayers.