Pick up the color of a pixel region where you define the position on your 2D image.在你指定的位置拾取该像素颜色
pickAcolor
Updated: 13 September 2012
Author: chenxiaobao
Compatible Nuke versions: 6.3 or later
Compatibility: Windows
v1.1 update：add example and toolbar command
Yesterday I saw someone talk about this.
Then I took a try with my poor expression.
BUT I suddenly realised that someone had done it before.
FOUND him finally！
Thankes Bertrand Lempereur
hah！He looks as powerful as a god in my opinion.How can he do so many great stuff？