252     double dfVec1Y = dfArrowY1 - dfTargetY1;  in TranslateDIMENSION()  local
255     double dfVec1Length = PointDist(0, 0, dfVec1X, dfVec1Y);  in TranslateDIMENSION()
259         dfVec1Y /= dfVec1Length;  in TranslateDIMENSION()
266     double dfVec2X = dfVec1Y;  in TranslateDIMENSION()
279     if( dfVec1X == 0.0 && dfVec1Y == 0.0 )  in TranslateDIMENSION()
293     else if( dfVec1Y == 0.0 )  in TranslateDIMENSION()
303         const double dfL1M = dfVec1Y / dfVec1X;  in TranslateDIMENSION()
335         dfTargetY1 + dfVec1Y * dfExtLineOffset );  in TranslateDIMENSION()
337         dfArrowY1 + dfVec1Y * dfExtLineExtendLength );  in TranslateDIMENSION()
344         dfTargetY2 + dfVec1Y * dfExtLineOffset );  in TranslateDIMENSION()
346         dfArrowY2 + dfVec1Y * dfExtLineExtendLength );  in TranslateDIMENSION()