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Article ID: NDZ1292 — Created: 27 Dec 2019 — Reviewed: 20 Dec 2020
Is it possible to remove or delete the bottom layer of the deep zoom image pyramid? It seems that I can shrink the deep zoom image by half by removing the bottom layer.
Yes. This is possible. And, you are correct, removing the bottom layer of the pyramid reduces the total size of the deep zoom image by about half.
To do this, you must remove the bottom layer of the image pyramid and reduce the width and height settings.
Make a backup of your deepzoom folder before you make the following changes.
The width and height are stored in DZOutput.xml which is located in the DeepZoom folder.
Following is an example of the contents of the DZOutput.xml file.
<?xml version="1.0" encoding="UTF-8"?> <Image xmlns="http://schemas.microsoft.com/deepzoom/2009" ServerFormat="Default" Format="jpg" Overlap="0" TileSize="256"> <Size Width="19796" Height="14278"/> </Image>
As a final test, open the Deep Zoom image to confirm that the file size has indeed changed and that you can view the image and various zoom levels.