ColorTable

new SuperMap3D.ColorTable()

Colormap class.

Methods

staticSuperMap3D.ColorTable.clone(colorTable, result) → ColorTable

Duplicate the colormap object.
Name Type Description
colorTable ColorTable The colormap object to copy.
result ColorTable optional The object to store the result, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new instance if not provided. If the colormap is undefined, return undefined.
Example:
var colorTable = new SuperMap3D.ColorTable();
colorTable.insert(900, new SuperMap3D.Color(1, 0, 0));
colorTable.insert(600, new SuperMap3D.Color(0, 0, 1));
var cloneTable = SuperMap3D.ColorTable.clone(colorTable);

clear()

Remove the colormap.
Example:
var colorTable = new SuperMap3D.ColorTable();
colorTable.clear();

count() → Number

Get the number of colormap objects.
Returns:
The number of colormaps.
Example:
var colorTable = new SuperMap3D.ColorTable();
var count = colorTable.count();

getItem(index) → Object

Get the colormap object at the specified index.
Name Type Description
index Number The specified index value.
Returns:
Object color table: Key is the elevation value, and Value is the object color.
Example:
var colorTable = new SuperMap3D.ColorTable();
var value = colorTable.getItem(1)

insert(value, color)

Insert new entries into the color table.
Name Type Description
value Number height value.
color Color optional color information.
Example:
var colorTable = new SuperMap3D.ColorTable();
colorTable.insert(900, new SuperMap3D.Color(1, 0, 0));
colorTable.insert(600, new SuperMap3D.Color(0, 0, 1));

remove(value) → Boolean

Remove the specified height item from the color table.
Name Type Description
value Number Specify a height value.
Returns:
Returns true if removal is successful, false otherwise.
Example:
var colorTable = new SuperMap3D.ColorTable();
colorTable.remove(30);