cdm/src/main/java/ucar/unidata/util/Format.java
public static String i(int v, int width) {
    return pad(Integer.toString(v), width, true);
  }
public static String i(int v, int width) {
    return pad(Integer.toString(v), width, true);
  }
Format an integer value.

@param v     : value
@param width pad to this width
@return formatted string