What actually is the bbox (Bounding box) in geotiffread function?

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Xinying Chen
Xinying Chen 2017-5-23
评论： Xinying Chen 2017-5-23
[A,refmat,bbox] = geotiffread ('Filename')
What refmat and bbox actually are? The explanations there just state they are referencing matrix and bounding box. No idea what do they actually mean. Any help will be very appreciated. Thanks heaps.

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回答（1 个）

KSSV
KSSV 2017-5-23
编辑：KSSV 2017-5-23
You must be having a map data/raster data in your tiff file. This data should be having x -values/ longitude and y-values/latitude data. Bounding box gives you [min(x) min(y)] and [max(x) max(y)] . So, with these values, you can generate your grid and geo-reference it.
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Xinying Chen
Xinying Chen 2017-5-23
Thanks so much!! Used this function to read a tiff file but don't know what the results stand for. Struggled a bit. Your answer helped a lot. Thanks again!

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