{ "cells": [ { "cell_type": "markdown", "id": "0", "metadata": {}, "source": [ "[![image](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://demo.leafmap.org/lab/index.html?path=notebooks/73_custom_stac.ipynb)\n", "[![image](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/opengeos/leafmap/blob/master/docs/notebooks/73_custom_stac.ipynb)\n", "[![image](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/opengeos/leafmap/HEAD)\n", "\n", "**Searching Geospatial Data Interactively with Custom STAC API Endpoints**\n", "\n", "Uncomment the following line to install [leafmap](https://leafmap.org) if needed." ] }, { "cell_type": "code", "execution_count": null, "id": "1", "metadata": {}, "outputs": [], "source": [ "# %pip install -U leafmap" ] }, { "cell_type": "code", "execution_count": null, "id": "2", "metadata": {}, "outputs": [], "source": [ "import os\n", "from leafmap import leafmap" ] }, { "cell_type": "markdown", "id": "3", "metadata": {}, "source": [ "Provide custom STAC API endpoints as a dictionary in the format of `{\"name\": \"url\"}`. The name will show up in the dropdown menu, while the url is the STAC API endpoint that will be used to search for items." ] }, { "cell_type": "code", "execution_count": null, "id": "4", "metadata": {}, "outputs": [], "source": [ "catalogs = {\n", " \"Element84 Earth Search\": \"https://earth-search.aws.element84.com/v1\",\n", " \"Microsoft Planetary Computer\": \"https://planetarycomputer.microsoft.com/api/stac/v1\",\n", "}" ] }, { "cell_type": "markdown", "id": "5", "metadata": {}, "source": [ "Create an interactive map and click on the catalog button as shown below to open the catalog panel. Be sure to specify the `catalog_source` parameter during the map creation." ] }, { "cell_type": "markdown", "id": "6", "metadata": {}, "source": [ "![](https://i.imgur.com/IrnRrcF.png)" ] }, { "cell_type": "code", "execution_count": null, "id": "7", "metadata": {}, "outputs": [], "source": [ "m = leafmap.Map(center=[40, -100], zoom=4, catalog_source=catalogs)\n", "m" ] }, { "cell_type": "markdown", "id": "8", "metadata": {}, "source": [ "Alternatively, you can also use the `Map.set_catalog_source` method to specify the custom API endpoints." ] }, { "cell_type": "code", "execution_count": null, "id": "9", "metadata": {}, "outputs": [], "source": [ "m = leafmap.Map(center=[40, -100], zoom=4)\n", "m.set_catalog_source(catalogs)\n", "m" ] }, { "cell_type": "markdown", "id": "10", "metadata": {}, "source": [ "Another way to specify STAC API endpoints is to set the environment variable `STAC_CATALOGS` to a dictionary in the format of `{\"name\": \"url\"}`." ] }, { "cell_type": "code", "execution_count": null, "id": "11", "metadata": {}, "outputs": [], "source": [ "os.environ[\"STAC_CATALOGS\"] = str(catalogs)" ] }, { "cell_type": "markdown", "id": "12", "metadata": {}, "source": [ "Then, you can create an interactive map as usual and click on the catalog button to open the catalog panel." ] }, { "cell_type": "code", "execution_count": null, "id": "13", "metadata": {}, "outputs": [], "source": [ "m = leafmap.Map()\n", "m" ] }, { "cell_type": "markdown", "id": "14", "metadata": {}, "source": [ "The STAC GUI can also be open directly by calling the `stac_gui()` function." ] }, { "cell_type": "code", "execution_count": null, "id": "15", "metadata": {}, "outputs": [], "source": [ "from leafmap.toolbar import stac_gui" ] }, { "cell_type": "code", "execution_count": null, "id": "16", "metadata": {}, "outputs": [], "source": [ "stac_gui(m)" ] }, { "cell_type": "markdown", "id": "17", "metadata": {}, "source": [ "Once the catalog panel is open, you can search for items from the custom STAC API endpoints. Simply draw a bounding box on the map or zoom to a location of interest. Click on the **Collections** button to retrieve the collections from the custom STAC API endpoints. Next, select a collection from the dropdown menu. Then, click on the **Items** button to retrieve the items from the selected collection. Finally, click on the **Display** button to add the selected item to the map." ] }, { "cell_type": "markdown", "id": "18", "metadata": {}, "source": [ "![](https://i.imgur.com/iv0f6aK.png)" ] }, { "cell_type": "code", "execution_count": null, "id": "19", "metadata": {}, "outputs": [], "source": [ "# m.stac_gdf # The GeoDataFrame of the STAC search results" ] }, { "cell_type": "code", "execution_count": null, "id": "20", "metadata": {}, "outputs": [], "source": [ "# m.stac_dict # The STAC search results as a dictionary" ] }, { "cell_type": "code", "execution_count": null, "id": "21", "metadata": {}, "outputs": [], "source": [ "# m.stac_item # The selected STAC item of the search result" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" } }, "nbformat": 4, "nbformat_minor": 5 }