Structure modified and atom mark demo

Draw a structure, click on the marking icon of the editor and click on one or more atoms or bonds

Mark only one:
Pseudo mark:
Mark only atoms:
Mark only bonds:
Atom background size (between 0 and 1):
Bond background size (between 0 and 1):

After structure changed event:

Import predefined chemical structure to applet:

Set options:
reaction,nomarker