# Map - Long/Lat

![](/files/-M7tivmUAfKLGmluhzsK)

You can quickly visualize your geographical information on Map with longitude and latitude.

## Column Assignments

* Group by - Assign a column you want to group by.
* Longitude - Assign a column that has longitude values. If you assign a column to Group By, you can choose how to aggregate such as sum, average.
* Latitude - Assign a column that has longitude values. If you assign a column to Group By, you can choose how to aggregate such as sum, average.
* Color By - Assign a column for color. If you assign a categorical column, it will be also used as a groupby column. Take a look at [Color](/visualization/features/color.md) section for more details.
* Size - Assign a column for the circle size.
* Label - Assign a column you want to show in the balloon help that you see when you hover circles on the map.

## Highlight

You can change the color of the specific circles that you pick to stand out from others. It is available only when you assgin a categorical column to color. See [Highlight](/visualization/features/highlight-1.md) for the detail.

## Category

You can categorize numeric values inside the chart. See [Category(Binning)](/visualization/features/category.md) for the detail.

## Missing Value Handling

You can use the Missing Value Handling feature to control missing values. See [Missing Value Handling](/visualization/features/missing-value-handling.md) for the detail.

## Custom Function

You can use the Custom Function feature to define your own aggregation function. See [Custom Function](https://github.com/exploratory-io/book/blob/master/viz/custom-function.md) for the detail.

## Connecting dots by lines

You can connect dots by lines by setting a marker to either "Circle + Line" or "Circle + Dashed Line". You can change the marker from the Size Setting dialog.

![](/files/-MUl4rXb3ZRNL730PTNs)

## Split lines by the Label column

You can split the lines even in the same color by setting a grouping column to the 'Label' and enabling the 'Split lines by Label column' option in the property.

![](/files/-MUl4rXg_wNpBYArtKeY)

You can check out [the sample Map](https://exploratory.io/viz/kei/Map-Places-Anthony-Bourdain-Visited-for-His-Shows-with-Exploratory-6-4-6-wmr6gig4Jb). Try downloading and importing the EDF to your Exploratory Desktop to see how it works.

## Show Detail

You can show the detailed data underlying the chart by clicking the chart figure. See [Show Detail](/visualization/features/show-detail.md) for the detail.

## Save as an Image

You can save the chart as an image file. See [Save as PNG/SVG](/visualization/features/save.md) for more details.


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