Click to select a block in composite dataset
This issue was created automatically from an original Mantis Issue. Further discussion may take place here.
When dealing with multiblock datasets, we want to extend the "click to select" to be able to select a block. So, we can say "Alt+Click" selects a block. We should expose a setting in the settings dialog allowing users to make selection of block be the default for click-to-select. So for users who typically just deal with "layers" in a single dataset, can work in that mode by default.