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I have sediment data based on annotated images of the seafloor. The images are classified into fine sediment, mixed sediment, boulder and outcrop the sum of which is 100% for each image. For example one image might be 20% mixed and 80% boulder, another 100% outcrop, another 90% fine, 10% boulder. I would like to interpolate the entire study site based on this point data.

Is it possible to interpolate based on all 4 fields at the same time or can I only interpolate 1 field at a time?

I am using arcGIS 10.3.

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  • One at a time and fix each by 100*individual/total.
    – FelixIP
    Dec 6, 2017 at 18:13
  • You can interpolate each variable, resulting in 4 raster datasets then composite the raster datasets to create a single 4-band raster dataset.
    – Apollo2020
    Dec 6, 2017 at 20:53
  • Or just create Thiessen polygons from the point data. The attributes from the points will carry over into the resulting polygons.
    – GBG
    Dec 6, 2017 at 22:36

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