LineLayerState

The state holder for LineLayer's layer properties.

See also

Constructors

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Construct an default LineLayerState.

Properties

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An expression specifying conditions on source features. Only features that match the filter are displayed. Zoom expressions in filters are only evaluated at integer zoom levels. The ["feature-state", ...] expression is not supported in filter expressions. The ["pitch"] and ["distance-from-center"] expressions are supported only for filter expressions on the symbol layer.

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Blur applied to the line, in pixels. Default value: 0. Minimum value: 0.

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Defines the transition of lineBlur. Default value: 0. Minimum value: 0.

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The color of the line border. If line-border-width is greater than zero and the alpha value of this color is 0 (default), the color for the border will be selected automatically based on the line color. Default value: "rgba(0, 0, 0, 0)".

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Defines the transition of lineBorderColor. Default value: "rgba(0, 0, 0, 0)".

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The width of the line border. A value of zero means no border. Default value: 0. Minimum value: 0.

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Defines the transition of lineBorderWidth. Default value: 0. Minimum value: 0.

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The display of line endings. Default value: "butt".

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The color with which the line will be drawn. Default value: "#000000".

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Defines the transition of lineColor. Default value: "#000000".

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Specifies the lengths of the alternating dashes and gaps that form the dash pattern. The lengths are later scaled by the line width. To convert a dash length to pixels, multiply the length by the current line width. Note that GeoJSON sources with lineMetrics: true specified won't render dashed lines to the expected scale. Also note that zoom-dependent expressions will be evaluated only at integer zoom levels. Minimum value: 0.

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Decrease line layer opacity based on occlusion from 3D objects. Value 0 disables occlusion, value 1 means fully occluded. Default value: 1. Value range: 0, 1

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Defines the transition of lineDepthOcclusionFactor. Default value: 1. Value range: 0, 1

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Controls the intensity of light emitted on the source features. Default value: 0. Minimum value: 0.

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Defines the transition of lineEmissiveStrength. Default value: 0. Minimum value: 0.

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Draws a line casing outside of a line's actual path. Value indicates the width of the inner gap. Default value: 0. Minimum value: 0.

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Defines the transition of lineGapWidth. Default value: 0. Minimum value: 0.

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A gradient used to color a line feature at various distances along its length. Defined using a step or interpolate expression which outputs a color for each corresponding line-progress input value. line-progress is a percentage of the line feature's total length as measured on the webmercator projected coordinate plane (a number between 0 and 1). Can only be used with GeoJSON sources that specify "lineMetrics": true.

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The display of lines when joining. Default value: "miter".

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Used to automatically convert miter joins to bevel joins for sharp angles. Default value: 2.

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Opacity multiplier (multiplies line-opacity value) of the line part that is occluded by 3D objects. Value 0 hides occluded part, value 1 means the same opacity as non-occluded part. The property is not supported when line-opacity has data-driven styling. Default value: 0. Value range: 0, 1

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Defines the transition of lineOcclusionOpacity. Default value: 0. Value range: 0, 1

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The line's offset. For linear features, a positive value offsets the line to the right, relative to the direction of the line, and a negative value to the left. For polygon features, a positive value results in an inset, and a negative value results in an outset. Default value: 0.

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Defines the transition of lineOffset. Default value: 0.

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The opacity at which the line will be drawn. Default value: 1. Value range: 0, 1

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Defines the transition of lineOpacity. Default value: 1. Value range: 0, 1

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Name of image in sprite to use for drawing image lines. For seamless patterns, image width must be a factor of two (2, 4, 8, ..., 512). Note that zoom-dependent expressions will be evaluated only at integer zoom levels.

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Used to automatically convert round joins to miter joins for shallow angles. Default value: 1.05.

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Sorts features in ascending order based on this value. Features with a higher sort key will appear above features with a lower sort key.

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The geometry's offset. Values are x, y where negatives indicate left and up, respectively. Default value: 0,0.

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Controls the frame of reference for line-translate. Default value: "map".

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Defines the transition of lineTranslate. Default value: 0,0.

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The color to be used for rendering the trimmed line section that is defined by the line-trim-offset property. Default value: "transparent".

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Defines the transition of lineTrimColor. Default value: "transparent".

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The fade range for the trim-start and trim-end points is defined by the line-trim-offset property. The first element of the array represents the fade range from the trim-start point toward the end of the line, while the second element defines the fade range from the trim-end point toward the beginning of the line. The fade result is achieved by interpolating between line-trim-color and the color specified by the line-color or the line-gradient property. Default value: 0,0. Minimum value: 0,0. Maximum value: 1,1.

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The line part between trim-start, trim-end will be painted using line-trim-color, which is transparent by default to produce a route vanishing effect. The line trim-off offset is based on the whole line range 0.0, 1.0. Default value: 0,0. Minimum value: 0,0. Maximum value: 1,1.

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Stroke thickness. Default value: 1. Minimum value: 0.

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Defines the transition of lineWidth. Default value: 1. Minimum value: 0.

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Vertical offset from ground, in meters. Defaults to 0. Not supported for globe projection at the moment.

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The maximum zoom level for the layer. At zoom levels equal to or greater than the maxzoom, the layer will be hidden. Value range: 0, 24

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The minimum zoom level for the layer. At zoom levels less than the minzoom, the layer will be hidden. Value range: 0, 24

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Layer to use from a vector tile source. Required for vector tile sources; prohibited for all other source types, including GeoJSON sources.

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Whether this layer is displayed. Default value: "visible".