README.md: created

Author: Ronald S

README.md

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+# MtoA Relative Exposure editor
+
+Have you ever thought "Hmm I like this lighting setup but it's all a bit dim / too bright.."
+You can change the exposure values of Maya default and Arnold lights by a relative ammount so that every light's exposure gets increased/decreased by the same ammount.
+
+**By default this option ignores hidden/disabled lights**
+
+## Current options are:
+
+- **Override: Absolute change** -> sets all exposures to given a amount, disregarding current values
+- **Selected lights only** -> Only effect selected lights
+- **Include hidden lights** -> Effect hidden/disabled lights as well
+
+## Installation
+
+You can drag and drop the `.py` file either:
+- into the script editor and run it that way
+- or from the script editor (while having it all selected) onto the toolbar to save it there for later use
+
+---
+
+## Notes
+
+- If you'd like to just set absolute values for multiple lights, there's already a built in function for it in the `Arnold` -> `Utilities` -> `Light editor` menu
+- This project was mainly just a learning experience, but it might be updated to work with different renderengines used with Maya