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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Can't threshold as a function","articleBody":"In Fiji I have a minimal script. I just want to threshold an 8-bit image:\r\n\r\n```groovy\r\n#@ OpEnvironment ops\r\n#@ ImgPlus img\r\n\r\nthresh = ops.op(\"threshold.mean\").input(img).apply()\r\n```\r\n\r\nThis produces the error:\r\n\r\n```text\r\nName: \"threshold.mean\", Types: java.util.function.Function\u003cnet.imagej.ImgPlus\u003cnet.imglib2.type.numeric.integer.UnsignedByteType\u003e, org.scijava.common3.Any\u003e\r\nInput Types: \r\n\t\t* net.imagej.ImgPlus\u003cnet.imglib2.type.numeric.integer.UnsignedByteType\u003e\r\nOutput Type: \r\n\t\t* org.scijava.common3.Any\r\n\r\nPerhaps you meant one of these:\r\nthreshold.mean:\r\n\t- org.scijava.ops.image.threshold.ApplyThresholdMethod$Mean\r\n\t\t\u003e input : java.lang.Iterable\u003cT extends net.imglib2.type.numeric.RealType\u003cT\u003e\u003e\r\n\t\t\u003e output : @CONTAINER java.lang.Iterable\u003cnet.imglib2.type.logic.BitType\u003e\r\n\t- org.scijava.ops.image.threshold.mean.ComputeMeanThreshold\r\n\t\t Implements a mean threshold method by Glasbey.\r\n\t\t\u003e input : net.imglib2.histogram.Histogram1d\u003cT extends net.imglib2.type.numeric.RealType\u003cT\u003e\u003e\r\n\t\t\u003e output : @CONTAINER T\r\n```\r\n\r\nIf I run it as a computer it works:\r\n```groovy\r\nthresh = ops.op(\"create.img\").input(img, new BitType()).apply()\r\nops.op(\"threshold.triangle\").input(img).output(thresh).compute()\r\n```","author":{"url":"https://github.com/hinerm","@type":"Person","name":"hinerm"},"datePublished":"2024-08-14T15:21:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/265/scijava/issues/265"}