PictureMarkerSymbolLayer

Creates a picture marker symbol layer from a URI. This function sets up the following default properties: Anchor at (0, 0), offset of (0, 0), size of 13.33 DIPs (10 points), an angle of 0 degrees, width and height of (0, 0), and a null image. The function sets the URI to the string provided. After creating, call PictureMarkerSymbolLayer.load() to load the image from the URI.