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- position: legend can be placed on the right, on the left, at the top or at the bottom. Default is on the right.
- width: width of the bar in pixels. Default is 40 pixels.
- length: length of the bar in pixels. The defaults are 400 pixels for legend on the right/left, and for the legend at the top/bottom the length equals the width of the window.
- labelsInside: if true, ticks and labels are displayed inside the legend bar. By default (false) labels and ticks are placed outside the color bar.
- labelsColor (since 2021.01): color of the tick label texts. If omitted, the outside labels are black and the inside labels are white.
- labelsBackgroundColor (since 2021.01): background color of the tick labels. If omitted, white color is used. Note that this option is not implemented for inside ticks and labels (i.e.: labelsInside=true).
- labelsBackgroundOpaquenessPercentage (since 2021.01): transparency/opaqueness of the background of the tick labels. 0% is completely transparent and 100% is completely opaque. If omitted then the background is not transparent. Note that this option is not implemented for inside ticks and labels (i.e.: labelsInside=true).
- logarithmic (since 2024.01, backported to 2023.01): if true the legend ticks and color breaks are spaced logarithmically.
Elements of the configuration of legend style
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