Hello, can a barcode input be used in designer to pull a picture from a file? What would the scripting look like? I apologize I’m new to ignition. This would be used in Vision.
I would update your question to narrow down vision or perspective.
Updated. Thank you for the input.
I haven't had to do this in Ignition but I can hopefully point you in the right direction. In perspective you have a Barcode session event which can handle barcode scanning but you're looking at Vision. I think you probably want to use a keyboard wedge to send barcode information to Ignition and process that with a script.
There's a lot of ways to do this. The image control can load a local image from the machine. Documentation here:
https://docs.inductiveautomation.com/display/DOC81/Vision+-+Image
A 2D barcode could store a path to an image but I'm going to assume you're working with a 1D barcode that is storing a number. If you are using a 2D barcode you simply put the path in the barcode and send the barcode input to your image control.
Typically what you'll do is you'll make a database or tag of type dataset that has a numeric PK field that the barcode refers to and a string field that stores the path to the image. Alternatively, you could store the image in a database as a BLOB instead of storing a path to the image. I prefer to use strings because I don't like putting BLOBS in databases.
The scripting would be called when a textbox receives a char like CRLF handle the barcode scan by looking up the scanned value in the database/dataset tag and returning the path as a string. That string would then be loaded into the path of your image control.
There is also a barcode control that you may want to have an operator scan. I haven't personally used this control yet but it might be useful for you depending on your use case. If you use a tag of type dataset then you could use that as a datasource for a template repeater which repeats barcode instances so you could dynamically generate barcodes for an operator to scan if you're scanning from the screen.
https://docs.inductiveautomation.com/display/DOC81/Vision+-+Barcode
Can you also clarify file, is that in a database or filesystem, like on a local storage drive.
Yes, the file would be on a local storage drive.
Short answer is yes.
Depends on your needs. Start here system.file - Ignition User Manual 8.1 - Ignition Documentation
I highly recommend learning through Inductive University, it is free.
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