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The goal is to enable a geoserver WFS request with a 3D bounding box so that we receive only geometries not disjoint with that 3D bounding box.
In other words, there is a min and max for the third coordinate as well as the first two.

In 2D we have in KVP:
BBOX=x0,y0,x1,y1

However, in 3D we get:
BBOX=x0,y0,z0,x1,y1,z1

Only 3d geometries that qualify for the min and max pairs for all three axes are returned.

In order to accomplish this, Geotools must support

  • 3D Envelopes: a 3D envelope geometry class and a 3D referenced envelope geometry class.
  • 3D Bounding Boxes: a 3D Bounding Box has two additional attributes (min z and max z) and filters geometries using all three dimensions.

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