Hi,A thumbnail in AEM Asset is defined by the width:height:center
triple. Width and height define the thumbnail size in pixel. The center
parameter, which is set to false by default, decides the dimensions of
renditions. If the center flag is set to true, the thumbnail image will
have exactly the size given by the configuraiton otherwise it maintains
the original image ratio to create renditions. You can modify the dam
update asset workflow to set the center parameter to true to get exact
size r...