svelte-maplibre-measure

This is a svelte component to add measure control for maplibre-gl

Install

npm i @watergis/svelte-maplibre-measure

or

yarn add @watergis/svelte-maplibre-measure

vite configuration

Add following settings in your vite.config.ts

import { NodeGlobalsPolyfillPlugin } from '@esbuild-plugins/node-globals-polyfill'

const config: UserConfig = {
    optimizeDeps: {
        esbuildOptions: {
            // Node.js global to browser globalThis
            define: {
                global: 'globalThis'
            },
            // Enable esbuild polyfill plugins
            plugins: [
                NodeGlobalsPolyfillPlugin({
                    buffer: true
                })
            ]
        }
    }
};

Usage

See Example.

<script lang="ts">
import { MeasurePanel, type MeasureOption} from '$lib';

// create maplibre.Map object
let map = new Map();

// set URL for your terrain RGB
let terrainRgbUrl = 'https://narwassco.github.io/narok-terrain/tiles/{z}/{x}/{y}.png'

// set Options
let measureOption: MeasureOption = {
    tileSize: 512,
    font: ['Roboto Medium'],
    fontSize: 12,
    fontHalo: 1,
    mainColor: '#263238',
    haloColor: '#fff',
};
</script>

<!-- You can skip terrainRgbUrl if you don't have terrain RGB data -->
<MeasurePanel bind:map={$map} bind:measureOption bind:terrainRgbUrl />

create-svelte

Everything you need to build a Svelte project, powered by create-svelte.

Creating a project

If you're seeing this, you've probably already done this step. Congrats!

# create a new project in the current directory
npm create svelte@latest

# create a new project in my-app
npm create svelte@latest my-app

Developing

Once you've created a project and installed dependencies with npm install (or pnpm install or yarn), start a development server:

npm run dev

# or start the server and open the app in a new browser tab
npm run dev -- --open

Building

To create a production version of your app:

npm run build

You can preview the production build with npm run preview.

To deploy your app, you may need to install an adapter for your target environment.