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Returns the distance, as determined by the specified distance metric, to the nearest non-zero valued pixel in the input. The output contains values for all pixels within the given neighborhood size, regardless of the input's mask. Note: the default distance metric returns squared distance.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-13 UTC."],[[["\u003cp\u003eCalculates the distance to the closest non-zero pixel for every pixel in an image, considering a specified neighborhood and distance metric.\u003c/p\u003e\n"],["\u003cp\u003eProvides flexibility in choosing neighborhood size, measurement units (currently only pixels), and distance metric (squared Euclidean, Manhattan, or Chebyshev).\u003c/p\u003e\n"],["\u003cp\u003eOutputs an image where each pixel value represents the calculated distance to its nearest non-zero pixel, including areas outside the input mask.\u003c/p\u003e\n"],["\u003cp\u003eDefaults to a neighborhood size of 256 pixels, uses pixels as the unit of measurement, and employs the squared Euclidean distance metric.\u003c/p\u003e\n"]]],[],null,["# ee.Image.fastDistanceTransform\n\nReturns the distance, as determined by the specified distance metric, to the nearest non-zero valued pixel in the input. The output contains values for all pixels within the given neighborhood size, regardless of the input's mask. Note: the default distance metric returns squared distance.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------------------------------------------------------------|---------|\n| Image.fastDistanceTransform`(`*neighborhood* `, `*units* `, `*metric*`)` | Image |\n\n| Argument | Type | Details |\n|----------------|--------------------------------------|--------------------------------------------------------------------------------------------|\n| this: `image` | Image | The input image. |\n| `neighborhood` | Integer, default: 256 | Neighborhood size in pixels. |\n| `units` | String, default: \"pixels\" | The units of the neighborhood, currently only 'pixels' are supported. |\n| `metric` | String, default: \"squared_euclidean\" | Distance metric to use: options are \\`squared_euclidean\\`, \\`manhattan\\` or \\`chebyshev\\`. |"]]
