{"layerTemplateInfo": {"layerTemplateId": "EsriThematicShapesLayerTemplate", "dataType": ["point"], "parameters": {"{param/symbol}": {"label": "符號", "allowedTypes": ["symbol"], "default": {"type": "styleSymbolReference", "styleName": "EsriThematicShapesStyle", "name": "Centered Sphere"}}, "{param/sizeInfo}": {"label": "大小", "allowedTypes": ["sizeInfo"], "default": null}, "{param/colorInfo}": {"label": "顏色", "allowedTypes": ["colorInfo"], "default": null}}}, "layer": {"title": "基本形狀", "layerType": "ArcGISFeatureLayer", "layerDefinition": {"drawingInfo": {"renderer": {"type": "simple", "symbol": "{param/symbol}", "visualVariables": ["{param/sizeInfo}", "{param/colorInfo}"]}}}}}