As it seems this post is the related to the same question as you raised here:
For efficiency reasons we'd like to continue answering the question. If you feel that this topic is a different one, please let us know.
Thx and greetings
When I use HtmlDrawable for Instant Tracking, I found the HtmlDrawable rotated. I want to adjust it according to physical camera's parameter. Which API can I use for get the camera's property?