Image_histogram_v31

!xmipp_image_histogram (v3.1)

Usage

Calculate histogram from a list of images/volumes

See also Metadata_histogram_v3

Parameters

$: input metadata, image, volume or stack $: output text file with histogram $: range for the histogram, automatic calculated if not provided $`--steps <N`100> $: normalize histogram $--mask <mask_typecircular> where <mask_type> can be:

• • $--center <x00> <y0=0> <z0=0>

Examples and notes

Create the histogram from an stack setting number of steps to 20

xmipp_histogram -i input/images_some.stk -o hist.txt --steps 20

You can use thehist.txt file withgnuplot to produce graphical histogram After you entergnuplotterminal you can use:

gnuplot> plot "kk.txt" using 1:2 title "Histogram" with steps

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