Zettabyte Object Storage

Gradual Display

2026-01-26 02:49:16

This document helps you understand gradual display.

 

Operation Scenarios

ZOS supports gradual display settings. In scenarios involving large image files or poor network conditions, you can enable gradual display, allowing images to load gradually from low to high image resolution.

 

Constraints and Restrictions

  • Gradual display is supported only for JPG images.

  • The size of a source image cannot exceed 20 MB. The width or height cannot exceed 30,000 px, and total pixels cannot exceed 250 million px.

  • For regions supporting gradual display, see Product Capability Map.

 

Description

Operator: interlace

Parameter Name

Purpose

Value

Required

[value]

Configures gradual display for JPG images.

0 or 1

  • 0: Standard display. The image is displayed line by line from top to  bottom.

  • 1: Gradual display. The image is first displayed as a blurred outline and gradually becomes clear.

Yes

 

Example

To change the image to gradual display, the specific request parameter is:

image/interlace,1



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