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NatronGitHub / Natron

Open-source video compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.
http://NatronGitHub.github.io
GNU General Public License v2.0
4.69k stars 342 forks source link

Color Picker: Ctrl+Alt+click should sample color from the input of the viewed node #96

Open devernay opened 6 years ago

devernay commented 6 years ago

From @Montaire on February 9, 2015 19:11

In nuke there is a hotkey to sample the source image instead of the visible one. It would be nice to have one here too.

Copied from original issue: MrKepzie/Natron#454

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devernay commented 6 years ago

From @MrKepzie on February 9, 2015 22:37

Care to elaborate with maybe a screenshot ? Are you talking about the color picker ?

devernay commented 6 years ago

From @blackearth2014 on February 9, 2015 23:51

One operation for example of what Montaire is talking about is when using the Grade node. When you are mapping the black and white points, you have to disable the node once you mapped the black point. The white points gets slightly shifted and can remap the white point to a different hue. This is especially necessary when generating contrast or expanding saturation of a image that looks like was was captured in log space or the codec compressed the color range. Canon and Panasonic has a feature called cine style in their cameras that compresses the shadows and highlights into the midrange because of the details the AVCHD throws away. It's not perfect but it makes a difference of small cameras.

devernay commented 6 years ago

From @Montaire on February 10, 2015 13:33

natron Here I sampled the picture with Ctrl Alt Shift. So the average in the box is not blue, but purple.

devernay commented 6 years ago

From @MrKepzie on February 10, 2015 15:54

What if there are multiple readers upstream ?

devernay commented 6 years ago

From @Montaire on February 10, 2015 16:7

Really good question. It seems nuke simply does nothing.

devernay commented 6 years ago

keystroke should be Ctrl+Alt+click (Ctrl+Alt+shift+click for a rectangle) marked https://github.com/MrKepzie/Natron/issues/1371 as duplicate