google-maps-api-3 - 谷歌地图 - 如何对齐 MarkerImage 以使左下角指向标记的纬度/经度

Question

给定w =图像的宽度和h =图像的高度，如何设置它以使url中指定的图像的左下角指向标记定义的纬度和经度？

...
'icon': new google.maps.MarkerImage(url,
  new google.maps.Size(w, h),
  new google.maps.Point(?, ?),
  new google.maps.Point(?, ?)
),
...

Answer 1

...
'icon': new google.maps.MarkerImage(url,
  new google.maps.Size(w, h),
  new google.maps.Point(0,0),
  new google.maps.Point(0,h)
),
...