[Bf-docboard-svn] bf-manual: [8748] branches/blender-3.0-release/blender_docs/manual: VSE: Expand Sample tool documentation

[Aaron Carlisle]

Revision: 8748
          https://developer.blender.org/rBM8748
Author:   Blendify
Date:     2021-12-03 05:42:44 +0100 (Fri, 03 Dec 2021)
Log Message:
-----------
VSE: Expand Sample tool documentation

Thanks to @Husch

Modified Paths:
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    branches/blender-3.0-release/blender_docs/manual/video_editing/preview/toolbar/index.rst

Added Paths:
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    branches/blender-3.0-release/blender_docs/manual/images/editors_vse_preview_sample-tool.png

Added: branches/blender-3.0-release/blender_docs/manual/images/editors_vse_preview_sample-tool.png
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Index: branches/blender-3.0-release/blender_docs/manual/images/editors_vse_preview_sample-tool.png
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--- branches/blender-3.0-release/blender_docs/manual/images/editors_vse_preview_sample-tool.png	2021-12-03 04:01:10 UTC (rev 8747)
+++ branches/blender-3.0-release/blender_docs/manual/images/editors_vse_preview_sample-tool.png	2021-12-03 04:42:44 UTC (rev 8748)

Property changes on: branches/blender-3.0-release/blender_docs/manual/images/editors_vse_preview_sample-tool.png
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Modified: branches/blender-3.0-release/blender_docs/manual/video_editing/preview/toolbar/index.rst
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--- branches/blender-3.0-release/blender_docs/manual/video_editing/preview/toolbar/index.rst	2021-12-03 04:01:10 UTC (rev 8747)
+++ branches/blender-3.0-release/blender_docs/manual/video_editing/preview/toolbar/index.rst	2021-12-03 04:42:44 UTC (rev 8748)
@@ -4,8 +4,24 @@
 ###########
 
 Sample
-   Used to sample a pixel's color from anywhere within Blender.
+   Used to sample a pixel's color from the image preview.
 
+   To use the sample tool, :kbd:`LMB` anywhere in the Image Preview.
+   Information about the pixel under the mouse cursor appears in an overlay at the bottom of the editor.
+
+   In the order of appearance, the following information is shown:
+
+   - The X and Y coordinates of the clicked pixel. Remember that the left bottom corner is location (0,0) and that the project resolution is set to 1920 x 1080.
+   - The values for the Red, Green, and Blue component as from the Color Picker.
+   - The Alpha value of the pixel.
+   - The Color Managed values of the Red, Green and Blue component or the color as you see in the Preview.
+   - The Hue, Saturation, Value and Luminance equivalent values of the Color Managed values.
+
+   .. figure:: /images/editors_vse_preview_sample-tool.png
+      :alt: Sample Tool
+
+      Sample Tool example.
+
 :ref:`Annotate <tool-annotate-freehand>`
    Draw free-hand annotation.