anybody can give me a pointer about how to loft profiles in a tight way in GR without using multiple loft commands. I cannot figure out how I could set the loft type to tight.
Loft operates on all the curves that are stored inside the same "branch" of each data "tree" that is supplied. Thus, if you want the Loft component to create 15 loft surfaces, you have to manipulate your data so that it is stored in 15 branches. This might not be simple or even possible in the current version.
Can you post a screenshot of your loft-curves with a ParamViewer showing the layout of the curve data structure?
In order to change the Loft Options, you'll have to edit the settings inside the O input parameter of the Loft component. Just open up the context menu of the parameter, navigate towards "Loft Options" and change the settings.
The upper of the two list boxes has an entry for Straight sections.