SVG.defaults = {
  // Default matrix
  matrix:       '1,0,0,1,0,0'
  
  // Default attribute values
, attrs: {
    /* fill and stroke */
    'fill-opacity':   1
  , 'stroke-opacity': 1
  , 'stroke-width':   0
  , fill:       '#000'
  , stroke:     '#000'
  , opacity:    1
    /* position */
  , x:          0
  , y:          0
  , cx:         0
  , cy:         0
    /* size */
  , width:      0
  , height:     0
    /* radius */
  , r:          0
  , rx:         0
  , ry:         0
    /* gradient */
  , offset:     0
  }
  
  // Default transformation values
, trans: function() {
    return {
      /* translate */
      x:        0
    , y:        0
      /* scale */
    , scaleX:   1
    , scaleY:   1
      /* rotate */
    , rotation: 0
      /* skew */
    , skewX:    0
    , skewY:    0
      /* matrix */
    , matrix:   this.matrix
    , a:        1
    , b:        0
    , c:        0
    , d:        1
    , e:        0
    , f:        0
    }
  }
  
}