Class: IFilter

• [new IFilter()](/solutions/geotoolkit/GeoToolkit_JS/apis/classes/geotoolkit.renderer.ifilter.ifilter.md#new ifilter())

• new IFilter()

▸ Abstract begin(context?): IFilter

Begin filtering. If a filter should be applied to children nodes it needs to be added to context and removed in the method end

Example

// Implementation of the filter to be applied for children
begin (context?: RenderingContext) {
context.addFilter(this);
}

IFilter

this

▸ Abstract end(context?): IFilter

End filtering. If a filter should be applied to children nodes it needs to be added to context and removed in the method end

Example

// Implementation of the filter to be applied for children
end (context?: RenderingContext) {
context.removeFilter(this);
}

IFilter

this

▸ Abstract filter(node, context?): boolean

Checks if the node should be drawn. <p> All children nodes will be given the chance to render or not to render. </p>

boolean

flag filter flag ("true" to render node; "false" otherwise)

▸ getClassName(): string

string

▸ Static getClassName(): string

string