# Map - Long/Lat

![](https://2850417076-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M4HLCK3olgduYoe3RVS%2Fsync%2Fbd0bb7a8e7c6f18723c052e9361bec3417b29d9e.png?generation=1590106507859649\&alt=media)

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](https://docs.exploratory.io/visualization/features/color) 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](https://docs.exploratory.io/visualization/features/highlight-1) for the detail.

## Category

You can categorize numeric values inside the chart. See [Category(Binning)](https://docs.exploratory.io/visualization/features/category) for the detail.

## Missing Value Handling

You can use the Missing Value Handling feature to control missing values. See [Missing Value Handling](https://docs.exploratory.io/visualization/features/missing-value-handling) 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.

![](https://2850417076-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M4HLCK3olgduYoe3RVS%2Fsync%2Fecf55439574670f9b3ea41260be4284fe3ef82a2.png?generation=1614657584600904\&alt=media)

## 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.

![](https://2850417076-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M4HLCK3olgduYoe3RVS%2Fsync%2F32ea41b0bf360017ab73761b467eb2b6acc5c6cc.png?generation=1614657584646792\&alt=media)

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](https://docs.exploratory.io/visualization/features/show-detail) for the detail.

## Save as an Image

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