![]() ![]() You can plot each row in an underlying data table as a discrete point on the map. 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. The lack of labels can also make the map feel more abstract, almost like a work of art rather than a practical tool. Without labels, the viewer is left to rely on their own understanding of geography, topography, and other clues to make sense of the image. Limit the precision of latitude and longitude data coordinates to no more than five to six decimal places. A satellite map with no labels can be both beautiful and challenging to interpret. 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.
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