ElevationGrid is a geometry node defining a rectangular height field, with default values for a 1m by 1m square at height 0.
Vertices corresponding to ElevationGrid height values define quadrilaterals, which are placed above or below a flat surface.
Hint: the height array defines (xDimension-1)*(zDimension-1) quadrilaterals.
X3D Tooltips of interest:
ElevationGrid.
X3D Specification
sections of interest:
13 Geometry3D component,
13.2 Concepts
and
13.3.4 ElevationGrid.
X3D Examples Archives
of related interest:
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