Hey guys happy new year 
rtvfx noob here, recently started playing with vector fields in houdini and niagara. Was wondering if theres any resources out there as to best work with the vector field data interface in niagara. Plopping down the sample/apply nodes and seeing some movement is simple enough. But for this effect of convergence im trying to achieve I want to have the particle converge from four corners of the field and meet in the center. I also want the effect to be fairly large scale, I can scale the vector field itself but then spawning the particles in a large enough space to match the scaled vector field seems to just be a lot of guesswork for me currently. And what if I want the particles to spawn more packed around the four corners? Is there a way to visualize the vector field itself within niagara?
Thanks!