Focal¶
Usage: focal(<left>x<top>:<right>x<bottom>)
Description¶
This filter adds a focal point, which is used in later transforms.
Arguments¶
left, top, right, bottom
: All mandatory arguments in the<left>x<top>:<right>x<bottom>
format.
Example¶
Before cropping with specific focal point:
http://localhost:8888/unsafe/400x100/filters:focal(146x206:279x360)/https%3A%2F%2Fgithub.com%2Fthumbor%2Fthumbor%2Fraw%2Fmaster%2Fexample.jpg
After specifying the focal point:
Warning
When using this filter together with detectors, extract focal points filter or metadata parameter, unexpected behavior may occur.