These features will be available in the Q3 version of the map control.
The "heatmap" feature will be implemented with new ColorMeasureScale class.
It will allow calculating the range collection with brushes according to specified Min, Max, Ticks and brushes collection. It will allow selecting the brush according to the double value. Also it will contain the functionality to color map shapes which are read from KML or ESRI shape-file according to the property from extended data. The extended data is created from KML ExtendedData tag or from a record of database which relates to the shape-file.
Also the ColorMeasureScale class instance will be used to show map legend.
The map legend displays brushes and values according to it.
I have attached a screenshot which demonstrates these features.
the Telerik team
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