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actually, painting roofs with a defined pantone color, then calibrating the satellite view colors is the obvious part. The other part is that the calibration roofed building would get millions of views online, permitting advertising or other amusement!
Also there could be an app, so you could make
49c a few tens of thousands of times.
Hey_20-_20that_27s_20me
It may not seem like something new now, but ten years ago it actually was [xenzag, Sep 12 2016]
[link]
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This is needless. Instead, identify rooves of different
colours on existing satellite views; send people out
with a pantone card set to identify the Pantone
shade of those rooves. Job done. |
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Rooftop Google Earth advertising is a good idea
though |
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The problem with rooves is that they change color. Bleaching. Wetness. All of that. There must be identifiable landforms that are always the same color. |
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Sunlight angle. Satellite's viewpoint. |
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Satellite imagery calibration patterns exist. You can see
them if you look around on Google Earth/Maps enough. I
remember seeing one in China (IIRC) posted to
/r/whatisthisthing. I don't know if they use them to
calibrate color, though. |
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