Used in regression tests to test the created image with a reference image. The node will compare (depending on the dialog settings) the incoming images during execute and fails with an exception if they are not equal (or do not meet the expectations). In that case the node stays not executed and the test will fail.
In the node's dialog, you can adjust how individual the images are compared. The default is to check for exact equality. For certain images you can relax the comparison by using special checkers, e.g. by specifying a certain allowed percentage of difference.
Currently there are four different image checker available:
You want to see the source code for this node? Click the following button and we’ll use our super-powers to find it for you.
To use this node in KNIME, install the extension KNIME Testing Framework UI from the below update site following our NodePit Product and Node Installation Guide:
A zipped version of the software site can be downloaded here.
Do you have feedback, questions, comments about NodePit, want to support this platform, or want your own nodes or workflows listed here as well? Do you think, the search results could be improved or something is missing? Then please get in touch! Alternatively, you can send us an email to email@example.com, follow @NodePit on Twitter, or chat on Gitter!
Please note that this is only about NodePit. We do not provide general support for KNIME — please use the KNIME forums instead.