When you link the master curve of two ColorLookup nodes, an image input with
negative values [ -0.1,-0.1,-0.1 ], will be displayed as nan in the linked ColorLookup
Reported 9.0v6 on Centos6
Repro'd 8.0v1-9.0v8 on MacOS 10.10.5
REPRO:
-Open colorLookupLink.nk
-Note child ColorLookup1 is linked to master curve in CTRL node, Curves were linked by this method-
1. Select master curve in CTRL and right click>copy>copy link.
2. Onto the child ColorLookup, select the corresponding master curve, >rightclick>paste>paste absolute.
-View Constant, values are color -0.1
-View CTRL ColorLookup node and sample values in viewer, values are correct, -0.1,-0.1,-0.1
-View ColorLookup1 and sample values in viewer, values are INCORRECT, nan,nan,nan