staticmap

About
========
Allows to get static map images.

Installation
===============
``
$ npm install staticmap
`

Example
==========
`js
const staticmap = require("staticmap");

staticmap.getMap(staticmap.png({ width: 500, height: 500 }), 45.4724, -73.4520, 12)
.then((image) => {
image.save('out1.png');
})
.catch((err) => {
console.log(err);
});

staticmap.getBox(staticmap.png({ width: 500, height: 500 }), 48.436034, 10.684891, 48.295985, 11.042633)
.then((image) => {
image.save('out2.png');
})
.catch((err) => {
console.log(err);
});
`

Documentation
================



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Object containing default values of tileUrl and tileSize.

`js
{
tileUrl: 'http://tile.openstreetmap.org/{z}/{x}/{y}.png',
tileSize: 256
}
`

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Creates new instance of Map class using opts that is an object containing tileUrl and tileSize and proxy properties.

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Creates instance of Image class that is wrapper for require('node-png').PNG class. You can provide a custom wrapper for an arbitrary image manipulation library.

Custom Image class must contain the following members:

#### Property: width
Width of image in pixels.

#### Property: height
Height of image in pixels.

#### Method: drawImage(data, x, y, callback)
Helper for image manipulation, draws image represented by raw data to current image (at x, y).

Class: Map

Instance of Map class that is used to fetch tiles and to draw them in image.

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Fetches tiles and draws map with center at lat, lon coordinates. The zoom value of zoom is used to get appropriate tiles.

Optional callback gets two arguments (err, image).

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Class: Image

Default class representing resulting images. Image is wrapper for require('node-png').PNG class.

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Starts converting data to PNG file Stream.

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Function is being added to object automatically. Allows to translate a longitude to x coordinate on this image.

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Function is being added to object automatically. Allows to translate a latitude to y coordinate on this image.

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Instance of require('node-png').PNG` class.

License
=========

The MIT License