JMap.Layer.isVectorLayerById
returns true if specified layer is a vector layer
the JMap layer Id
// returns true if layer id 5 is a vector layerJMap.Layer.isVectorLayerById(5) Copy
// returns true if layer id 5 is a vector layerJMap.Layer.isVectorLayerById(5)
JMap.Layer.isVectorLayerById
returns true if specified layer is a vector layer