{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "[![image](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://demo.leafmap.org/lab/index.html?path=maplibre/variable_offset_label_placement.ipynb)\n", "[![image](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/opengeos/leafmap/blob/master/docs/maplibre/variable_offset_label_placement.ipynb)\n", "[![image](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/opengeos/leafmap/HEAD)\n", "\n", "**Variable label placement with offset**\n", "\n", "This source code of this example is adapted from the MapLibre GL JS example - [Variable label placement with offset](https://maplibre.org/maplibre-gl-js/docs/examples/variable-offset-label-placement/).\n", "\n", "Uncomment the following line to install [leafmap](https://leafmap.org) if needed." ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "# %pip install \"leafmap[maplibre]\"" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "import leafmap.maplibregl as leafmap" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "To run this notebook, you will need an [API key](https://docs.maptiler.com/cloud/api/authentication-key/) from [MapTiler](https://www.maptiler.com/cloud/). Once you have the API key, you can uncomment the following code block and replace `YOUR_API_KEY` with your actual API key. Then, run the code block code to set the API key as an environment variable." ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "# import os\n", "# os.environ[\"MAPTILER_KEY\"] = \"YOUR_API_KEY\"" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "m = leafmap.Map(center=[-77.04, 38.907], zoom=11, style=\"streets\")\n", "\n", "places = {\n", " \"type\": \"FeatureCollection\",\n", " \"features\": [\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"Ford's Theater\", \"icon\": \"theatre\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.038659, 38.931567]},\n", " },\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"The Gaslight\", \"icon\": \"theatre\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.003168, 38.894651]},\n", " },\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"Horrible Harry's\", \"icon\": \"bar\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.090372, 38.881189]},\n", " },\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"Bike Party\", \"icon\": \"bicycle\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.052477, 38.943951]},\n", " },\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"Rockabilly Rockstars\", \"icon\": \"music\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.031706, 38.914581]},\n", " },\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"District Drum Tribe\", \"icon\": \"music\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.020945, 38.878241]},\n", " },\n", " {\n", " \"type\": \"Feature\",\n", " \"properties\": {\"description\": \"Motown Memories\", \"icon\": \"music\"},\n", " \"geometry\": {\"type\": \"Point\", \"coordinates\": [-77.007481, 38.876516]},\n", " },\n", " ],\n", "}\n", "source = {\"type\": \"geojson\", \"data\": places}\n", "m.add_source(\"places\", source)\n", "\n", "layer = {\n", " \"id\": \"poi-labels\",\n", " \"type\": \"symbol\",\n", " \"source\": \"places\",\n", " \"layout\": {\n", " \"text-field\": [\"get\", \"description\"],\n", " \"text-variable-anchor-offset\": [\n", " \"top\",\n", " [0, 1],\n", " \"bottom\",\n", " [0, -2],\n", " \"left\",\n", " [1, 0],\n", " \"right\",\n", " [-2, 0],\n", " ],\n", " \"text-justify\": \"auto\",\n", " \"icon-image\": [\"concat\", [\"get\", \"icon\"], \"_15\"],\n", " },\n", "}\n", "m.add_layer(layer)\n", "m" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "m.rotate_to(bearing=180, options={\"duration\": 10000})" ] }, { "attachments": {}, "cell_type": "markdown", "metadata": {}, "source": [ "![](https://i.imgur.com/HKfcsoc.png)" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3 (ipykernel)", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.11.9" } }, "nbformat": 4, "nbformat_minor": 4 }