OMEZarrTileSource

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OMEZarrTileSource

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An OpenSeadragon tile source for the OME-Zarr bioimage file format

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# OMEZarrTileSource

[![Release](https://img.shields.io/github/v/release/TissUUmaps/OMEZarrTileSource?label=release)](https://github.com/TissUUmaps/OMEZarrTileSource/releases)
[![Issues](https://img.shields.io/github/issues/TissUUmaps/OMEZarrTileSource?label=issues)](https://github.com/TissUUmaps/OMEZarrTileSource/issues)
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[![Deploy](https://img.shields.io/github/actions/workflow/status/TissUUmaps/OMEZarrTileSource/deploy.yml?label=deploy)](https://github.com/TissUUmaps/OMEZarrTileSource/actions/workflows/deploy.yml)
[![Publish](https://img.shields.io/github/actions/workflow/status/TissUUmaps/OMEZarrTileSource/publish.yml?label=publish)](https://github.com/TissUUmaps/OMEZarrTileSource/actions/workflows/publish.yml)
[![NPM version](https://img.shields.io/npm/v/omezarr-tilesource?label=npm)](https://www.npmjs.com/package/omezarr-tilesource)
[![License](https://img.shields.io/github/license/TissUUmaps/OMEZarrTileSource?label=license)](https://raw.githubusercontent.com/TissUUmaps/OMEZarrTileSource/main/LICENSE)

An OpenSeadragon tile source for the OME-Zarr bioimage file format

## Prerequisites

OpenSeadragon 5 or newer

## Installation

Using pnpm:

```sh
pnpm add omezarr-tilesource
```

## Usage

```javascript
import OpenSeadragon from "openseadragon";
import { OMEZarrTileSource } from "omezarr-tilesource";

const url = ...;

// configuration with URL (only works with zipped OME-Zarr URLs ending with .ozx)
const tileSource1 = url;

// inline configuration with options object (requires prior enabling, see below)
OMEZarrTileSource.enable(OpenSeadragon);
const tileSource2 = {
    type: "ome-zarr",
    url: url,
    // zip: undefined,  // undefined = OME-Zarr ZIP auto-detection based on .ozx suffix
    // t: undefined,
    // c: undefined,
    // z: undefined
};

// direct instantiation with URL (works with any OME-Zarr storage backend)
const tileSource3 = new OMEZarrTileSource(url);

// direct instantiation with options object (no prior enabling required)
const tileSource4 = new OMEZarrTileSource({
    url: url,
    // zip: undefined,  // undefined = OME-Zarr ZIP auto-detection based on .ozx suffix
    // t: undefined,
    // c: undefined,
    // z: undefined
});

const viewer = OpenSeadragon(
    ...
    tileSources: [
        tileSource1,
        tileSource2,
        tileSource3,
        tileSource4
    ]
);
```

## Example

[Example](https://tissuumaps.github.io/OMEZarrTileSource)

[Source code](index.html)

## Authors

[Jonas Windhager](https://github.com/jwindhager)

## Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

## Acknowledgments

This project was initially [started by Will Moore](https://github.com/BioNGFF/ome-zarr.js/pull/22) at the [2025 OME-NGFF Workflows Hackathon](https://biovisioncenter.notion.site/2025-OME-NGFF-Workflows-Hackathon-25662fc04eb38148885ec0fee3ff8539) in Zurich, Switzerland.

## License

[MIT](LICENSE)

OMEZarrTileSource

OMEZarrTileSource Latest Version Download

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