As I drag items from the Toolbox into the schematic tab, sometimes the items come in blank (i.e. instead of the expected control such as a general second order filter I get and empty hierarchical type block). Why is this happening?
This behavior happens when multiple possible algorithms are tied to a single graphical control. In this case, you need to right-click the cell and select “Add Algorithm”, and then choose the desired algorithm from the list. After that, the cell GUI should appear.
Here’s an example with a filter:
When I select the one I want…
…the GUI populates.