[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06 UTC."],[[["\u003cp\u003eComputes a hillshade, which is a shaded relief map, from a Digital Elevation Model (DEM) to visualize terrain.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eee.Terrain.hillshade()\u003c/code\u003e function takes an elevation image, azimuth, and elevation as input to generate the hillshade.\u003c/p\u003e\n"],["\u003cp\u003eUsers can customize the illumination direction by specifying the azimuth (direction) and elevation (angle) of the light source.\u003c/p\u003e\n"],["\u003cp\u003eAn example is provided using the ETOPO1 bedrock elevation data to demonstrate hillshade creation and visualization.\u003c/p\u003e\n"]]],["The core content details how to compute a hillshade from a digital elevation model (DEM) using the `ee.Terrain.hillshade` function. This function takes an elevation image (`input`), an illumination azimuth (`azimuth`, default 270 degrees), and an illumination elevation (`elevation`, default 45 degrees) as arguments, and it returns a hillshade image. The examples showcase using elevation data, multiplying it by an exaggeration factor, then applying the function to produce the final hillshade image.\n"],null,["# ee.Terrain.hillshade\n\nComputes a simple hillshade from a DEM.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|------------------------------------------------------------|---------|\n| `ee.Terrain.hillshade(input, `*azimuth* `, `*elevation*`)` | Image |\n\n| Argument | Type | Details |\n|-------------|---------------------|-------------------------------------------------|\n| `input` | Image | An elevation image, in meters. |\n| `azimuth` | Float, default: 270 | The illumination azimuth in degrees from north. |\n| `elevation` | Float, default: 45 | The illumination elevation in degrees. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nvar elevation = ee.Image('NOAA/NGDC/ETOPO1').select('bedrock');\nvar exaggeration = 20;\nvar hillshade = ee.Terrain.hillshade(elevation.multiply(exaggeration));\nMap.addLayer(hillshade, null, 'ETOPO1 Hillshade');\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\nelevation = ee.Image('NOAA/NGDC/ETOPO1').select('bedrock')\nexaggeration = 20\nhillshade = ee.Terrain.hillshade(elevation.multiply(exaggeration))\nm = geemap.Map()\nm.add_layer(hillshade, None, 'ETOPO1 Hillshade')\nm\n```"]]
