![]() Note that for ZIP Code dimensions, Looker automatically assigns a US ZIP Code map layer.įor dimensions that are not associated with a map layer, Looker displays the following Plot options:įor dimensions that are defined with a map layer, Looker displays the following Plot options: Plot options also differ depending on whether a map layer is defined in the LookML for your dimension. Each choice has slightly different formatting options, as appropriate for the plot type. The Plot tab lets you select the way that your location data is plotted. Options listed below may be grayed out or hidden if they conflict with other settings that you have chosen. Click the gear in the upper right corner of the Visualization bar. ![]() You can also edit your map visualization in the visualization menu. To build an interactive map chart, select the Map visualization type in the Visualization bar. If coordinates exceed seven decimal places, then the map will not display any data points. Limit the precision of latitude and longitude data coordinates to no more than five to six decimal places. It is possible that not all points will be visualized in the map. There may not be a one-to-one correspondence between ZIP Codes and the ZCTAs used for map visualizations. ZIP Code regions are based on the 2010 ZIP Code tabulation areas (ZCTAs). LookML developers can add a built-in map layer or a custom map layer to a dimension using the map_layer_name parameter. A dimension with a map layer assigned to it.This is defined by a LookML developer as a dimension of type: location. A dimension based on latitude and longitude data. ![]() To create a map chart, your query must include at least one of the following fields: Map charts let you visualize geographic data on responsive and interactive maps, and provide significant control over the way that map points are plotted. See the Google Maps chart options documentation page for information about using Looker's Google Maps chart type. When the Allow Legacy Maps legacy feature is disabled, any map visualization that uses the Map (Legacy) chart type will be converted to use the Google Maps chart type. Note: Starting in Looker 24.4, the Allow Legacy Maps legacy feature is disabled by default.
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