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42 lines
2.4 KiB
Markdown
42 lines
2.4 KiB
Markdown
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# Luzifer / staticmap
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`staticmap` is a webserver written in Go to generate static maps from [OpenStreetMap](https://openstreetmap.org/) tiles. Its API is inspired by the [Google Static Maps API](https://developers.google.com/maps/documentation/static-maps/intro) but supports only a subset of the functions and parameters described there.
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## API
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All map operations are made against the `/map.png` endpoint of the server and are controlled by parameters:
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| Parameter | Description |
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| ---- | ---- |
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| `center` | (required) Describes where to center the map. Must be given in decimal coordinates in format `lat,lon` (eg. `62.107733,-145.541936`) |
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| `zoom` | (required) Describes the zoom level of the map. Must be a number between 1 and 16 like in the OpenStreetMap itself |
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| `size` | (required) Output format of the requested map. Must be two numbers joined by an `x` (eg. `600x300`) - By default there is a limit to 1024px on each edge, you can set this in the parameters of the server. |
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| `markers` | (optional) Marker definition, supports `size` and `color` attribute and marker positions must be given in format `lat,lon`. Elements of the marker definition are joined by a vertical bar. Valid sizes are `tiny, mid, small`. Valid colors are `black, brown, green, purple, yellow, blue, gray, orange, red, white` or a hex color in 3 or 6 letter notation: `0x333, 0x333333`. |
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### Example of a map having two different markers
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```
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/map.png
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?center=53.5438,9.9768
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&zoom=15
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&size=800x500
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&markers=color:blue|53.54129165,9.98420576699353
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&markers=color:yellow|53.54565525,9.9680555636958
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```
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The map center is set to a coordinate within Hamburg, Germany with a zoom level of 15. Additionally there are two markers set: One `blue` marker to the Elbphilharmonie, one `yellow` marker to the Hard Rock Cafe Hamburg. The example above (of course without the line breaks) produced this image:
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## Setup
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- There is a Docker container available: [`quay.io/luzifer/staticmap`](https://quay.io/repository/luzifer/staticmap)
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- This repository has precompiled binaries attached in the [releases](https://github.com/Luzifer/staticmap/releases) section
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- You can `go get github.com/Luzifer/staticmap` the project and build it from source
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Afterwards just see `staticmap --help` (or `docker run --rm -ti quay.io/luzifer/staticmap --help`) for commandline parameters.
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----
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