docs: public static final double calcNiceNumber(final double RANGE, final boolean ROUND) {
          double niceFraction;
          double exponent = Math.floor(Math.log10(RANGE));   // exponent of range
          double fraction = RANGE / Math.pow(10, exponent);  // fractional part of range
  
          if (ROUND) {
              if (Double.compare(fraction, 1.5) < 0) {
                  niceFraction = 1;
              } else if (Double.compare(fraction, 3)  < 0) {
                  niceFraction = 2;
              } else if (Double.compare(fraction, 7) < 0) {
                  niceFraction = 5;
              } else {
                  niceFraction = 10;
              }
          } else {
              if (Double.compare(fraction, 1) <= 0) {
                  niceFraction = 1;
              } else if (Double.compare(fraction, 2) <= 0) {
                  niceFraction = 2;
              } else if (Double.compare(fraction, 5) <= 0) {
                  niceFraction = 5;
              } else {
                  niceFraction = 10;
              }
          }
          return niceFraction * Math.pow(10, exponent);
      }