However, do not change the country and city names in the table. * If you want, you can edit the data in the table with excel or other text editors and paste them into the data field. * You can select background of the map colored or transparent and download the map in PNG,PDF or SVG(vector) formats. If you enter even 1 text value, the numeric values will appear as text. * If you enter text data, it will automatically appear on the scale. * If you enter numerical data, enter the limit values for the scale and select the scale color. Do not change city or country names in this field. * Enter your own data next to country or city names. Press the "Clear All" button to clear the sample data. ") of each square in the grid.* The data that appears when the page is first opened is sample data. A location dimension will typically show distinct points with one latitude/longitude coordinate, but when you use a heatmap, the dimension changes to the bounding boxes ("Heatmap region from. The Automagic Heatmap will re-query your data to construct the heatmap grid. Zooming this map in or out will prompt Looker to re-calculate the grid, so that the granularity is appropriate to the zoom level.įor this plot type to work properly, you must select both a location dimension and a measure. The squares are colored according to a measure that you choose. It works by dividing the visible map into equal squares, then calculating which values in your data fit into each square. You can display data in the underlying query as a heatmap grid. Adding a measure to the underlying data table enables the points to be scaled by color or size. You can plot each row in an underlying data table as a discrete point on the map.Ī location dimension by itself will place points of uniform size and color. ![]() For other dimensions that have a defined map layer, you will see this set of Plot options displays: ![]() Zip code dimensions automatically have a US zip code map layer assigned. Plot options also differ depending on whether a map layer is defined in the LookML for your dimension.įor dimensions that are not associated with a map layer, the following Plot options are supported: 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.
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