new SuperMap.ThemeUniqueItem(options)
In Unique thematic mapping, features with the same values are assigned the same rendering style, and each of them is a thematic mapping item. Take a unique value map of administrative districts as an example. The Name field represents the names of the provinces or municipalities, and is the thematic variable. If there are five different values in this field, this administrative district map will have 5 thematic items.
Name | Type | Description | ||||||||||||||||||||
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options |
Object |
The parameters.
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Members
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captionstring
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The caption of the ThemeUniqueItem.
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styleSuperMap.ServerStyle
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The style of the ThemeUniqueItem.
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uniquestring
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The single value of the ThemeUniqueItem.
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visibleboolean
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The visibility of the ThemeUniqueItem.
- Default Value: true
Methods
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SuperMap.ThemeUniqueItem.fromObj(obj){SuperMap.ThemeUniqueItem}
ThemeUniqueItem.js, line 85 -
Obtain a unique value map item subclass from the incoming object.
Name Type Description obj
Object object.
Returns:
Type Description SuperMap.ThemeUniqueItem ThemeUniqueItem object. -
destroy()
ThemeUniqueItem.js, line 53 -
Disposes the resource. The property that references resource is set to null.
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toServerJSONObject(){Object}
ThemeUniqueItem.js, line 69 -
Converts to corresponding JSON object.
Returns:
Type Description Object The JSON object.