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graphics - How to extract the color of the bar-stacked used in BulletGauge?


How can I extract the colors used by default in the BulletGauge?


enter image description here



Answer



Trace


A programmatic approach using Trace:


Trace[
BulletGauge[{1, 1.8, 3, 3.4, 4, 5}, {2.4, 2.9}, {0, 3.5, 4.8}],
_ColorData
] // Flatten // First



ColorData[63, 1]

Check:


ColorData[63, "ColorList"]

enter image description here


Related examples:






Spelunking


This can also be found by spelunking the definition of BulletGauge itself using tools from:



One find that the inner definition is Charting`iLinearGauge


Needs["GeneralUtilities`"]

PrintDefinitions @ Charting`iLinearGauge

Within that one finds a hard-coded color source:



Charting`padList[{{ColorData[63][#1] &, None}}, numvals]

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