PolylineTrailMaterialProperty

new Cesium.PolylineTrailMaterialProperty(options)

Tail line material class.
Name Type Description
options Object optional The object has the following properties:
Name Type Default Description
color Number Color.WHITE optional Specify the fill color of the line type. The default value is white.
outlineColor Number Color.BLACK optional Specify the color of the contour line, the default value is black.
outlineWidth Number 1.0 optional Numerical property, specify the width of the contour line, in pixels, the default value is 1.0.
trailLength Number 0.3 Numerical property, set the proportion of the length of the trail line in the whole line, the default value is 0.3.
constantSpeed Number 0.0 Numerical property, set the running speed of the trail line, unit (m/s), the default value is 0.0.
period Number 1000.0 Numerical property, set the running period of the trail line from the start to the end, the unit is second, the default value is 1000.0.

Members

color : Number

Set the line type color of the trailing line.

constantSpeed : Number

Set the running speed of the trail line, unit (m/s).

readonlydefinitionChanged : Event

Gets the event that is raised whenever the definition of this property changes. The definition is considered to have changed if a call to getValue would return a different result for the same time.

readonlyisConstant : Boolean

Gets a value indicating if this property is constant. A property is considered constant if getValue always returns the same result for the current definition.

period : Number

Set the running period of the trail line from the start point to the end point, in seconds. When the constantSpeed attribute value is 0, the period attribute can take effect.

trailLength : Number

Set the proportion of the length of the tail trace in the entire line, the value range is (0.0-1.0).

Methods

equals(other) → Boolean

Compares this property to the provided property and returns true if they are equal, false otherwise.
Name Type Description
other Property optional The other property.
Returns:
true if left and right are equal, false otherwise.

getType(time) → String

Gets the Material type at the provided time.
Name Type Description
time JulianDate The time for which to retrieve the type.
Returns:
The type of material.

getValue(time, result) → Object

Gets the value of the property at the provided time.
Name Type Description
time JulianDate The time for which to retrieve the value.
result Object optional The object to store the value into, if omitted, a new instance is created and returned.
Returns:
The modified result parameter or a new instance if the result parameter was not supplied.