// VectorSSI - SSI with straight line segments

persistable sclass VectorSSI extends AbstractSSI {
  replace X with short.
  replace Y with short.
  replace toX with toShort_enforce.
  replace toY with toShort_enforce.
  replace newXArray with newShortArrayOrNull.
  
  // core values (mandatory): first column and row occupied
  settable X x1;
  settable Y y1;
  
  // Curves of x start and x end, relative to (x1, y1)
  settable InterpolatedDoubleArray leftCurve;
  settable InterpolatedDoubleArray rightCurve;
  
  SSI toSSI aka get() {
    throw todo();
  }
}