sentinel-hub/custom-scripts

Question about data fusion

barbierimauro opened this issue · 3 comments

barbierimauro commented

Hi all, I would like to use different datasets for doing some partical detection, specifically I want to use data from Sentinel-1 and Sentinel-2.
I am using this script as guidance https://github.com/sentinel-hub/custom-scripts/blob/master/data-fusion/ship_detection_s1_s2/script.js
however I am stuck at its execution because of an incomprensible error for me, that is the following:

Failed to evaluate script!
evalscript.js:20: TypeError: Cannot read property 'B03' of undefined
let ndwi = (S2L1C.B03 - S2L1C.B08) / (S2L1C.B03 + S2L1C.B08)
^
TypeError: Cannot read property 'B03' of undefined
at evaluatePixel (evalscript.js:20:19)
at executeForMultipleSources (:17:17)

I try different broswers but the results is exactly the same. What I am doing wrong ?

maximlamare commented

Hi,

Did you make sure to set the two datasets in EO Browser? Because it is datafusion, you need to set the two sources as inputs (for more info - check the ship detection script).

I would need more details about your script and process to help (maybe you can share an EOB link?).

barbierimauro commented

Hi,
my bad!!! I was using exactly the original script without any modifications, but what I was doing wrong was the proper setup of the 2 datasets (I was putting first S1 and second S2), many thanks for helping me on this issue.
At the same time could I ask if you can indicate me a link/document, in which I could find all the "API" for EOscripts? thanks in advance!