Heavy rendering task (in canvas) in JavaFX blocks GUI

Question

I want to create an application that performs many renderings in a canvas. The normal JavaFX way blocks the GUI: It is realy hard to press the button in the application code bel

Answer 1

The issue that is described here has also been discussed on the JavaFX mailing list some months ago in this thread http://mail.openjdk.java.net/pipermail/openjfx-dev/2015-September/017939.html The proposed solution is similar to the one given by jewelsea.