code: public void makeTranslationMatrix(double dx, double dy) {
  		this.m00 = 1.;
  		this.m01 = 0.;
  		this.m02 = dx;
  
  		this.m10 = 0.;
  		this.m11 = 1.;
  		this.m12 = dy;
  
  		this.m20 = 0.;
  		this.m21 = 0.;
  		this.m22 = 1.;
  	}
docs: Sets the value of this matrix to the given translation, without rotation.
  
  <p>This function changes all the elements of
  the matrix including the scaling and the shearing.
  
  <p>After a call to this function, the matrix will
  contains (? means any value):
  <pre>
  [   1    0    x   ]
  [   0    1    y   ]
  [   0    0    1   ]
  </pre>
  
  @param dx is the translation along X.
  @param dy is the translation along Y.
  @see #setTranslation(double, double)
  @see #setTranslation(Tuple2D)