Working with Maps
Maps are available in many locations in Touchstone:
• Exposure or Contract Summary Dashboard
• Contract Details pane
• Analysis results:
• Portfolio Mode: Loss, Data Quality, Hazard, Geospatial, and Loss Groups
• Underwriting Mode: Contract summary, Clash, Loss, Data Quality (for Score Data diagnostic), and Hazard
The Map Tools tab displays a Mapping ribbon that enables you to perform various map functions, such as selecting base maps. While the ribbon is available with all maps, the icons that appear on the ribbon vary according to the function for which you are viewing the map. In some cases, as in the Exposure Summary Dashboard, the map appears by default. In other cases, you click Show/Hide Content Items in the sidebar and then select the Map option in the View Options window. With Data Quality results, you must first select the Geography view in the Report Detail Viewer window and then select the Map option in the View Options window.
The Map window includes user controls that enable you to view and manage map layers, display a map legend, move the map, and zoom in and out of areas on the map. The widgets for map layers and the map legend appear when you select the item—Map Layer Properties or Map Legend— in the Map Tools area on the Mapping ribbon. To retrieve information for an individual location, move the pointer over the corresponding point on the map and click the location point; a tooltip displays information for the location. If the location is part of a cluster, zoom in on the map until the cluster is broken apart into individual locations.
Click here for information about moving the map and zooming in and out of it.
The Base Maps area on the ribbon enables you to select the base map: Streets, Satellite, Topographic, or Grayscale. For example, you can select Streets and then zoom in on a location until the street grid appears. The Grayscale option may make the map easier to read because of the increased contrast between layers.
The Map Tools area on the ribbon enables you to view and manipulate map layer properties and the map legend.
• Map Layer Properties: Opens the Map Layers window in the upper right corner of the map. You can then clear or select the layers that you want to see. You can change the visibility, the opacity, and other properties of an item by selecting the layer, clicking Show Details, and then configuring the layer properties. Usage example: In the Base Maps area, select Streets and then click Map Layer Properties. In the Map Layers window, select Show Details, and then select the check boxes for the Streets and Clustered Points layers. Then select the Clustered Points layer and change the opacity by entering a percentage or by moving the slider. As you move the slider to the left, the cluster becomes more translucent, enabling you to see details behind the clusters. Zoom in on one of the clustered points areas until you see the streets. To clear a layer, remove the check mark next to the layer name. When you select a portfolio thematic summary layer, you can view results by total replacement value or locations; the map legend data changes to reflect the field option that you select.
• Map Legend: Displays the Map Legend in the lower right corner of the map; the contents of the legend vary according to the map. To view the map legend, click the Expand icon ; to collapse the legend, click the icon again. You can change the border color, fill color, and border thickness of an item by double-clicking the item and then editing it in the Symbology Editor. For example, click Clusters and then change the border color and thickness.
The AIR-Provided Layers area enables you to view layers—Events and Hazard—that are included with Touchstone and are available on all maps. The AIR-provided event layers include historical and world scenarios events for Europe, North America, and Asia Pacific. The AIR-provided Hazard layers include Earthquake for Asia Pacific, and Earthquake, Flood, and Tropical Cyclone for North America.
If you license the Verisk Maplecroft Terrorism Risk Index (TRI) layers, you can overlay them on the Exposure Map by selecting AIR-Provided Layers > <region> Terrorism > Maplecroft Terrorism Index_<region>. You can also use the Maplecroft layers in a Geospatial Analysis where you select one or more of the Maplecroft TRI hazard layers via Spatial Outputs > Static Hazard. You can use the layers as part of a ring analysis (for the Terrorism peril) or just run an analysis with them without accumulating any values.
For example, to view the Tohoku tsunami epicenter relative to your exposure data, select Events > Asia Pacific > Historical > Tsunami > Tohoku Tsunamic Epicenter. The map legend now includes the legend for the Tohoku Tsunami. If the epicenter is hidden under clustered points, zoom in on the area until you can clearly see the epicenter. When you select a layer, you can also zoom in on the layer using Zoom to Layer. For example, select Hazard > Asia Pacific > Earthquake > Japan Fault Lines. The fault lines appear on the map. Right-click on the layer name and click Zoom to Layer to zoom in on the Japan Fault Lines layer.
The Custom-Defined Layers area enables you to view all layers that were imported using Map Layer Import. For example, if you imported them, you could view the Moore OK Tornado Storm Path layer or the Songda Windspeed Bands layer.
The Custom-Defined Layers area does not appear on the Mapping ribbon if there are no custom-defined layers.
The Project Layers area enables you to view the map in several additional ways. The Map Legend includes information about each type of project layer.
• Clustered Points: Displays individual locations or clusters of locations. Clusters provide a generalized, low-resolution view of the underlying exposures. Analysis results are always based on the actual locations underlying the clusters.
• Heat Map: Overlays colors on the exposures. The color indicate the level of concentration, from no exposure data (white) to most concentration (red).
• Portfolio Thematic Summary: Displays exposure location values, such as count and replacement value, aggregated by administrative boundaries. Touchstone aggregates the values at multiple, different resolutions of administrative boundaries, based on a hierarchy of area levels, where "Country" is the coarsest area level: (1) Country, (2) Area, (3) Subarea, (4) Postal Code, and (5) CRESTA. When you select Portfolio Thematic Summary, the Map Layer Properties pane enables you to specify the area level—the default area level is Auto, which selects the most appropriate area level depending on the current zoom level of the map. Based on your selection, the system draws the best boundary it can at the selected area level or above (at a coarser level), depending on the geographic data included in the imported exposure data and the boundaries in the AIR Geography database. For example, if the exposure data includes only Subarea codes and you select the Subarea area level, the thematic map will display Subarea boundaries. If you select the Country area level for the same exposure data (that includes only Subarea codes), it will display Country boundaries because the relationship between Subarea and Country is defined in the database.
|Since a relationship is not defined between CRESTA and the other area levels, there is no aggregation to or from CRESTA. If you select CRESTA as the area level and some exposures do not include CRESTA codes, Touchstone displays the next best boundary available, starting with Postal Code. When Auto is selected, Touchstone will never select CRESTA; this is because there is no fixed relationship between CRESTA and the other area levels.|
You can move the map by clicking on it and then dragging it in the direction you want to view. In addition, when you move the pointer over the inactive navigation tools in the lower left corner of the exposure map, the navigation tools become active:
• Zoom: In the Zoom bar, click to zoom in to the map. Click to zoom out of an area on the map. You can also drag the slider in the zoom bar to zoom in and out. You can also zoom in or out using the scroll wheel on the mouse.
|You can also zoom in on an area by holding down the Shift key and drawing a rectangle on the map.|
• Compass: Click on a compass point to move north, south, east, and west on the map. You can also click on one of the compass arcs and then drag to rotate the map.
• Reset North: Click to reset the map with north at the top. This is useful is you have rotated the map.
• Full Extent: Click to set the map to the global extent.
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Touchstone V3.0 Updated December 01, 2016