Subsurface data in Google Earth

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Are there any known hacks to get subsurface data into Google Earth?

Sub-ocean-surface works with the release of Google Ocean, but you cannot go below the sea floor.

The other major limitations of Google Earth (no vertical data, single placemark balloon) have hacks to get around them (thin buildings, custom icons). I'm hoping someone has a subsurface hack.

Edit:

Possible approaches might be


  • Find the default image and replace it with a transparent PNG
  • Capture the network requests to download tiles and respond with transparent PNGs
  • Convince GE to set the Level of Detail (LOD) for the primary layer to some negative or infinite value.
On OS X, I think the following folder/code looks promising:

cd Google Earth.app/Contents/MacOS/shaders $ ls atmosphere_ground_sun_off* atmosphere_ground_sun_off.arbfp1 atmosphere_ground_sun_off.asd atmosphere_ground_sun_off.ps_2_0 atmosphere_ground_sun_off.arbvp1 atmosphere_ground_sun_off.cfg atmosphere_ground_sun_off.vs_2_0 Those files appear to contain assembly code instructions to the graphics card, and there is mention of "groundTexture", "groundRayleighMap", and other possible hack-able things.



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