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| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "[](https://demo.leafmap.org/lab/index.html?path=notebooks/90_pixel_inspector.ipynb)\n", | ||
| "[](https://studiolab.sagemaker.aws/import/github/opengeos/leafmap/blob/master/examples/notebooks/90_pixel_inspector.ipynb)\n", | ||
| "[](https://pccompute.westeurope.cloudapp.azure.com/compute/hub/user-redirect/git-pull?repo=https://github.com/opengeos/leafmap&urlpath=lab/tree/leafmap/examples/notebooks/90_pixel_inspector.ipynb&branch=master)\n", | ||
| "[](https://demo.leafmap.org/lab/index.html?path=notebooks/90_pixel_inspector.ipynb)\n", | ||
| "[](https://colab.research.google.com/github/opengeos/leafmap/blob/master/examples/notebooks/90_pixel_inspector.ipynb)\n", | ||
| "[](https://mybinder.org/v2/gh/opengeos/leafmap/HEAD)\n", | ||
| "\n", | ||
| "## Interactive pixel inspector \n", | ||
| "\n", | ||
| "The interactive pixel inspector can be used to explore the pixel values of an image. It supports Cloud Optimized GeoTIFF (COG), STAC, and other raster data formats, either stored locally or on the cloud. The COG and STAC functionalities are powered by the [TiTiler](https://developmentseed.org/titiler/), while the local file support is powered by [localtileserver](https://github.com/banesullivan/localtileserver)." | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# %pip install \"leafmap[raster]\"" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import leafmap\n", | ||
| "import rasterio" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "### COG" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "m = leafmap.Map()\n", | ||
| "url = \"https://github.com/opengeos/data/releases/download/raster/Libya-2023-07-01.tif\"\n", | ||
| "m.add_cog_layer(url, layer_name=\"Libya\")\n", | ||
| "m.add(\"inspector\")\n", | ||
| "m" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "### STAC" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "m = leafmap.Map()\n", | ||
| "url = \"https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot5_orthoimages/S5_2007/S5_11055_6057_20070622/S5_11055_6057_20070622.json\"\n", | ||
| "m.add_stac_layer(url, bands=[\"B3\", \"B2\", \"B1\"], name=\"SPOT Image\")\n", | ||
| "m.add(\"inspector\")\n", | ||
| "m" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "### Planetary Computer" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "m = leafmap.Map()\n", | ||
| "collection = \"landsat-8-c2-l2\"\n", | ||
| "item = \"LC08_L2SP_047027_20201204_02_T1\"\n", | ||
| "m.add_stac_layer(\n", | ||
| " collection=collection,\n", | ||
| " item=item,\n", | ||
| " assets=\"SR_B7,SR_B5,SR_B4\",\n", | ||
| " name=\"Landsat Band-754\",\n", | ||
| ")\n", | ||
| "m.add(\"inspector\")\n", | ||
| "m" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "### Local raster" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "url = \"https://open.gishub.org/data/raster/landsat.tif\"\n", | ||
| "satellite = leafmap.download_file(url, \"landsat.tif\", overwrite=True)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "m = leafmap.Map()\n", | ||
| "m.add_raster(satellite, indexes=[4, 1, 2], vmin=0, vmax=120, layer_name=\"Landsat 7\")\n", | ||
| "m.add(\"inspector\")\n", | ||
| "m" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "## In-memory raster" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "dataset = rasterio.open(satellite)\n", | ||
| "nir = dataset.read(4).astype(float)\n", | ||
| "red = dataset.read(1).astype(float)\n", | ||
| "ndvi = (nir - red) / (nir + red)\n", | ||
| "ndvi_image = leafmap.array_to_image(ndvi, source=satellite)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "m = leafmap.Map()\n", | ||
| "m.add_raster(satellite, indexes=[4, 1, 2], vmin=0, vmax=120, layer_name=\"Landsat 7\")\n", | ||
| "m.add_raster(ndvi_image, colormap=\"Greens\", layer_name=\"NDVI\")\n", | ||
| "m.add(\"inspector\")\n", | ||
| "m" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "" | ||
| ] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "kernelspec": { | ||
| "display_name": "Python (Pyodide)", | ||
| "language": "python", | ||
| "name": "python" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 5 | ||
| } |
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