Visualization Library | Maps JavaScript API | Google for Developers | Latest TMZ Celebrity News & Gossip | Watch TMZ Live
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Overview
The Maps JavaScript API uses libraries to provide supplemental
features. The visualization library includes the
HeatmapLayer class, which you can use to visualize data
intensity at geographical points.
For example, the earthquake mapping tutorial uses the HeatMapLayer
class to plot earthquake locations and intensity, and walks you step by step
through the code.
Use the library
The visualization library is a self-contained library, separate from the main
Maps JavaScript API code. To use the functionality contained
within this library, you must first load it using the libraries parameter in
the Maps JavaScript API bootstrap URL:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["The Maps JavaScript API offers a `visualization` library with a `HeatmapLayer` class for visualizing data intensity at geographical points."],["You can find a practical example of using the `HeatmapLayer` in the earthquake mapping tutorial, which demonstrates plotting earthquake locations and intensity."],["To utilize the `visualization` library's functionalities, load it separately using the `libraries` parameter in the Maps JavaScript API bootstrap URL, specifying `visualization` as the desired library."]]],[]]
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