What I need is to create another controlp5 button which only shows the spheres that are have been mapped to the locations and then translated according to the height of alti. Can anyone point me in the right direction? I first tried to gray out drawEarthquakeMarker() at line 86, but that only draws the spheres at the locations and does not translate them at heights according to alti. I guess it is because when drawEarthquakeMarker() is not called, alti is also not called, and I'm not sure where else to declare alti. I know this is kind of a noob question, but I'm at my wits end. Thank you in advance for your help!
/edit On another note, I need some help to get the spheres to display values from the xml document (specifically the description child) on mouseOver. I'm looking at something similar to this example, where on mouseover, a label pops up. However, I'm dealing in 3D, so I'm just afraid the label might not pop up as intended. Any advice would be awesome!