I can take photo in using node-red-contrib-image-tools image viewer but when I try to process it nothing happens. It works small sample photos like 160x30 but when I take in 600x508 and try to prosess it, nothing happens. Photos are from rain radar and I try to make telegam alarm when rain clouds …

But that is an image not a txt file? as your file node is set to read. and there is no image-tools nodes in the flow you posted. Maybe start again - what are you trying to do? read colour data from a specific X/Y postition? If so, then maybe this will help... [image] Extract col…

[image] fugit185: I can take photo in using node-red-contrib-image-tools image viewer but when I try to process it nothing happens. It works small sample photos like 160x30 but when I take in 600x508 and try to prosess it, nothing happens. Nothing happens? No errors? Where does it "stop" (i.e…

it stops after "Remove [ and ]" node. I had debug in all nodes but removed for simplicity

As a new user I can not upload the file

You can now. However, answer the questions in my previous post.

Thanks I got that "exract color from location on image" flow example working. I think I can use that for my project.

[image] fugit185: Also If I click colour code, it it changes from this 0xf100eff to this 252710655 , are they same? Yes. [image] [image] fugit185: By the way, what format is the output of this function? msg.image.getPixelColor From jimp docs... image.getPixelColor(x, y); // retu…

[image] Steve-Mcl: RRGGBBAA Confirm that it is RRGGBBAA

Thank you very much for fast responses and help!!

Can read photo in but not process

General

fugit185 17 March 2021 11:34 9

By the way, what format is the output of this function?

msg.image.getPixelColor

I have tried multiple website colour tools but so far no-one shows same colour that I seen in real picture?

Also If I click colour code, it it changes from this 0xf100eff to this 252710655, are they same?

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Can read photo in but not process

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