[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06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\u003eCreates a 3x3 Prewitt's Compass kernel for edge detection in images.\u003c/p\u003e\n"],["\u003cp\u003eAllows for customization by scaling the kernel values with a magnitude argument.\u003c/p\u003e\n"],["\u003cp\u003eOffers an option to normalize the kernel values, ensuring they sum to 1.\u003c/p\u003e\n"],["\u003cp\u003eProvides usage examples in JavaScript, Python, and Colab environments.\u003c/p\u003e\n"]]],["The core function is `ee.Kernel.compass()`, which creates a 3x3 Prewitt compass edge-detection kernel. The function accepts two arguments: `magnitude` (a float to scale values, defaulting to 1) and `normalize` (a boolean to normalize the kernel values to sum to 1, defaulting to false). The output is a kernel with weights represented as `[[1, 1, -1], [1, -2, -1], [1, 1, -1]]`.\n"],null,["# ee.Kernel.compass\n\nGenerates a 3x3 Prewitt's Compass edge-detection kernel.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------------------------------|---------|\n| `ee.Kernel.compass(`*magnitude* `, `*normalize*`)` | Kernel |\n\n| Argument | Type | Details |\n|-------------|-------------------------|------------------------------------------|\n| `magnitude` | Float, default: 1 | Scale each value by this amount. |\n| `normalize` | Boolean, default: false | Normalize the kernel values to sum to 1. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nprint('A Prewitt compass kernel', ee.Kernel.compass());\n\n/**\n * Output weights matrix\n *\n * [1, 1, -1]\n * [1, -2, -1]\n * [1, 1, -1]\n */\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\nfrom pprint import pprint\n\nprint('A Prewitt compass kernel:')\npprint(ee.Kernel.compass().getInfo())\n\n# Output weights matrix\n\n# [1, 1, -1]\n# [1, -2, -1]\n# [1, 1, -1]\n```"]]
