https://github.com/trailbehind/tilelive-imageserver

Tilelive source for ImageServer endpoints.
https://github.com/trailbehind/tilelive-imageserver

Last synced: 3 days ago
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Tilelive source for ImageServer endpoints.

• Host: GitHub
• URL: https://github.com/trailbehind/tilelive-imageserver
• Owner: trailbehind
• License: bsd-3-clause
• Created: 2021-01-12T22:28:56.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2021-01-13T23:01:10.000Z (almost 4 years ago)
• Last Synced: 2023-04-21T10:26:42.534Z (over 1 year ago)
• Language: JavaScript
• Homepage:
• Size: 7.81 KB
• Stars: 1
• Watchers: 6
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# tilelive-imageserver

This is a tilelive source for ArcGIS ImageServer endpoints.

The documentation used for implementation is [here](https://developers.arcgis.com/rest/services-reference/image-service.htm).

## Usage

`imageserver:` URIs are supported, with the following parameters available:

- `source`: the ImageServer URL

- `rasterFunction`: the rasterFunction provided by the source server to apply to the data. (Optional)

- `minzoom`: optional, default 0

- `maxzoom`: optional, default 14

- `baseTileSize`: base tile size in pixels (default 256)

- `scale`: integer to scale base tile size (default 1)

- `format`: image format, currently png and jpg are supported.

**Examples**:

- USGS 3DEP Multidimensional Hillshade: `imageserver:///?source=https://elevation.nationalmap.gov/arcgis/rest/services/3DEPElevation/ImageServer/&rasterFunction=Hillshade Multidirectional&maxzoom=14`

## Source/Data Testing

**Local testing**:

1. `node test.js` should place a single tile in the root directory if sucessful.

**Testing with tessera**:

1. Install this source globally with `npm install -g .`

2. Install `tessera`

3. Run `tessera` with the tilelive module included: `tessera --require=tilelive-imageserver "imageserver:///?source=https://elevation.nationalmap.gov/arcgis/rest/services/3DEPElevation/ImageServer/&rasterFunction=Hillshade Multidirectional&maxzoom=14"`

4. View `localhost:8080` in browser