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Selects the value of the first value for each matched pair of bands in image1 and image2. If either image1 or image2 has only 1 band, then it is used against all the bands in the other image. If the images have the same number of bands, but not the same names, they're used pairwise in the natural order. The output bands are named for the longer of the two inputs, or if they're equal in length, in image1's order. The type of the output pixels is the union of the input types.
Usage
Returns
Image.first(image2)
Image
Argument
Type
Details
this: image1
Image
The image from which the left operand bands are taken.
image2
Image
The image from which the right operand bands are taken.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06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."],[[["Selects the first value of each matched band pair from two input images, prioritizing the value from the first image (`image1`)."],["Accommodates images with single or multiple bands, aligning them for pairwise comparison based on band order or name."],["Output image bands inherit names from the image with more bands or from `image1` if band counts are equal, with pixel types reflecting the combined types of input images."],["This operation is accessible through the `first()` method, taking the second image as an argument and returning the resulting image."]]],[]]