Image Column - access meta data in Python extension

[takbb]

@MartinDDDD , Reading more about the subject of images and python in KNIME, did you see this topic?:

Python Script - export images in table

Hi there, I have a python script where some plots are created, which I need to pass to Knime. As I do not know in advance how many plots are created, I would like to store them in a table instead of using a static image port. For testing purposes I tried to copy one image to the output dataframe / table: ... output_image_1 = buffer.getvalue() output_table_1 = pd.DataFrame(data={"ImageCol": output_image_1}, index=[0]).reset_index(drop=True) ... It works, but then I get a column with a datatyp…

and @mlauber71 's suggestion:

Python Script - export images in table

@ActionAndi what you can do is store the PNG file in a SQLite database and then read it back into KNIME. [image] Just make sure that you have an actual PNG file (binary) and store it as a BLOB data type in SQLite. If you read it back to KNIME make sure the column “data” with the image is defined as a PNG file: [image] You might be able to combine these approaches: You can extract the current surroundings from a node. I have also created a component for that: