Rendering antenna 3D pattern with antenna 3D geometry, 3 Elements Vertical Yagi Antenna.
Numerical Electromagnetics Code http://www.qsl.net/4nec2
X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit
"CoordinateAxes.x3d" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Radar/CoordinateAxes.x3d" "CoordinateAxes.wrl" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Radar/CoordinateAxes.wrl"
Heads-up display (HUD) keeps child geometry aligned on screen in a consistent location
"../../../X3dForWebAuthors/Chapter14Prototypes/HeadsUpDisplayPrototype.x3d#HeadsUpDisplay" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter14Prototypes/HeadsUpDisplayPrototype.x3d#HeadsUpDisplay" "../../../X3dForWebAuthors/Chapter14Prototypes/HeadsUpDisplayPrototype.wrl#HeadsUpDisplay" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter14Prototypes/HeadsUpDisplayPrototype.wrl#HeadsUpDisplay"
offset position for HUD relative to current view location, default 0 0 -5
HUD position update (in world coordinates) relative to original location
HUD orientation update relative to original location