# Why is there a difference between CWTs generated in python vs julia

**URL:** <https://discourse.julialang.org/t/why-is-there-a-difference-between-cwts-generated-in-python-vs-julia/117259>\
**Category:** General Usage\
**Created:** [July 20, 2024, 12:30am UTC](https://discourse.julialang.org/t/why-is-there-a-difference-between-cwts-generated-in-python-vs-julia/117259 "2024-07-20T00:30:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bryaan](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/bryaan/32/36858_2.png) [@bryaan](https://discourse.julialang.org/u/bryaan)\
**Post date:** [July 20, 2024, 12:30am UTC](https://discourse.julialang.org/t/why-is-there-a-difference-between-cwts-generated-in-python-vs-julia/117259/1 "2024-07-20T00:30:41Z")

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pywt and ContinuousWavelets.jl give very different heatmap results for a cwt.  
What is the reason for this?

In julia:

 ![image](https://global.discourse-cdn.com/julialang/original/3X/3/8/384b604046109d1e41ac5f26ee91ab9c6635822e.png)

In python:

 ![image](https://global.discourse-cdn.com/julialang/original/3X/3/c/3ca1c8ece2874ca686116d62975dda0dfeae3ab9.jpeg)