"Auto white balance" script?

i"m real esate photographer. have photoshop script combines ambient image , flash image, given different colors of walls, have white balance hand in lightroom after fact.

 

i typically eyedrop off white ceiling , warm few clicks. hundreds of times night.

 

i dream of ability select off white ceiling in photoshop action , white balance , alone (thus avoiding colored walls trick automation)

 

then i'd paste white balance adjustment on entire image in photoshop... it's automated version of clicking ceiling 100s of times night.

 

i have no problem selecting ceilings, don't know how auto white balance selection in photoshop (and paste adjustments on entire image) possible?

you might want rethink workflow. don't think can script want do. think best select similar images in lr or in acr , sync color temp settings. before combining photos, can blend photos in ps. parts shoot: take ambient shot, several shots flash. color correct them in acr open them in ps. wrote script takes open files , puts them in 1 file, changing layer blend modes lighten, works do.

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