# Chart3DZoomPolicy

The C1Chart3DZoomPolicy provides ability to support C1Chart3D’s zooming behavior for optimal zooming.

## Content



The **C1Chart3DZoomPolic**y provides ability to support C1Chart3D’s zooming behavior for optimal zooming.

The following image illustrates the Chart3D’s initial zoomfactor at 100%:

![](https://cdn.mescius.io/document-site-files/images/b72f799f-5669-44a4-8119-5f3343d59999/images/initialchart3d.png)

The following table illustrates the difference between adding and not adding the **C1Chart3DZoomPolicy**.

In this example the zoomfactor is set to 160%.

|   Without ZoomPolicy   |   With ZoomPolicy   |
| --- | --- |
|   **![](https://cdn.mescius.io/document-site-files/images/b72f799f-5669-44a4-8119-5f3343d59999/images/withoutchart3dzoompolicy.png)**   |   ![](https://cdn.mescius.io/document-site-files/images/b72f799f-5669-44a4-8119-5f3343d59999/images/withchart3dzoompolicy.png)   |