Method getFloatWithUnit

core/src/processing/core/PShapeSVG.java:1435–1438

Used in place of element.getFloatAttribute(a) because we can have a unit suffix (length or coordinate). @param element what to parse @param attribute name of the attribute to get @param relativeTo (float) Used for %. When relative to viewbox, should be svgWidth for horizontal dimentions, svgHeigh

(XML element, String attribute, float relativeTo)

   * @return unit-parsed version of the data
   */
  static protected float getFloatWithUnit(XML element, String attribute, float relativeTo) {
    String val = element.getString(attribute);
    return (val == null) ? 0 : parseUnitSize(val, relativeTo);
  }


  /**