            );

              this.ohIndexMap[s.name] = this.octreeHelpers.length - 1;
              this.ohIndexToPhName.push(s.name);
              this.ohIndexToPhIndex.push(this.phIndexMap[s.name]);
            }
          });
        }

        initCoords() {
          if (!this.coords.show) return;

          let min = [0, 0, 0];
          let max = [0, 0, 0];

          for (var i = 0; i < 3; i++) {
            min[i] = this.min[i] - this.coords.offset;
            max[i] = this.max[i] + this.coords.