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Add variable label placement notebook
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "[](https://demo.leafmap.org/lab/index.html?path=maplibre/variable_offset_label_placement.ipynb)\n", | ||
| "[](https://colab.research.google.com/github/opengeos/leafmap/blob/master/docs/maplibre/variable_offset_label_placement.ipynb)\n", | ||
| "[](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 os\n", | ||
| "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 set it as an environment variable in your notebook or script as follows:" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# os.environ[\"MAPTILER_KEY\"] = \"YOUR_API_KEY\"" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "MAPTILER_KEY = os.environ.get(\"MAPTILER_KEY\")\n", | ||
| "style = f\"https://api.maptiler.com/maps/streets/style.json?key={MAPTILER_KEY}\"" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "m = leafmap.Map(center=[-77.04, 38.907], zoom=11, style=style)\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": [ | ||
| "" | ||
| ] | ||
| } | ||
| ], | ||
| "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": "3.11.8" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 4 | ||
| } |
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