# Visualization

**URL:** https://discourse.julialang.org/c/domain/viz/17.md?page=90

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**Page:** 91

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## [Plots.jl : Some Odd Attribute Behavior](https://discourse.julialang.org/t/plots-jl-some-odd-attribute-behavior/14786)

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**Author:** [@iwelch](https://discourse.julialang.org/u/iwelch)\
**Replies:** 8\
**Last updated:** [September 13, 2018, 3:40pm UTC](https://discourse.julialang.org/t/plots-jl-some-odd-attribute-behavior/14786 "2018-09-13T15:40:22Z")

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macos, julia 1.0.0. julia\> using Plots; x= 1:0.1:10; Y= \[ sin.(x), cos.(x) \]; julia\> plot( x, Y, tickfontrotation=50 ) julia\> savefig("tickfontrotation.png") I am looking the output of the above, and commands like ti…

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## [Incomplete Attribute Docs for Plots.jl](https://discourse.julialang.org/t/incomplete-attribute-docs-for-plots-jl/14779)

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**Author:** [@iwelch](https://discourse.julialang.org/u/iwelch)\
**Replies:** 2\
**Last updated:** [September 10, 2018, 8:27pm UTC](https://discourse.julialang.org/t/incomplete-attribute-docs-for-plots-jl/14779 "2018-09-10T20:27:00Z")

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I am looking at plotattr(). I understand many but not all attributes. The docs in Overview · Plots are not complete (e.g., for Plots, it is link, overwrite\_figure, pos, show, size, thickness\_scaling, window\_title). So…

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## [How to move the legend around in a groupedbar plot and make the bars black and white](https://discourse.julialang.org/t/how-to-move-the-legend-around-in-a-groupedbar-plot-and-make-the-bars-black-and-white/14516)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 11\
**Last updated:** [September 9, 2018, 5:06am UTC](https://discourse.julialang.org/t/how-to-move-the-legend-around-in-a-groupedbar-plot-and-make-the-bars-black-and-white/14516 "2018-09-09T05:06:36Z")

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So I am trying to draw a grouped bar chart with the legend on the top right corner but not overlapping the chart. The closest thing to what I want is the groupedbar from StatPlots. The problem is that currently the chart…

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## [ANN: PlotlyJS.jl Julia 1.0 compatible](https://discourse.julialang.org/t/ann-plotlyjs-jl-julia-1-0-compatible/14620)

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**Author:** [@sglyon](https://discourse.julialang.org/u/sglyon)\
**Replies:** 0\
**Last updated:** [September 6, 2018, 2:17pm UTC](https://discourse.julialang.org/t/ann-plotlyjs-jl-julia-1-0-compatible/14620 "2018-09-06T14:17:39Z")

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Just an annoncement that PlotlyJS has been updated for Julia 1.0. There are a few exciting new features: Use WebIO.jl for all display integrations. This simplified the code in PlotlyJS.jl (net reduction of about 700 L…

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## [using Makie ERROR](https://discourse.julialang.org/t/using-makie-error/14431)

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**Author:** [@dbarends](https://discourse.julialang.org/u/dbarends)\
**Replies:** 7\
**Last updated:** [September 4, 2018, 9:10am UTC](https://discourse.julialang.org/t/using-makie-error/14431 "2018-09-04T09:10:22Z")

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Just added Makie, using julia v1.0, i get an error when using Makie julia\> using Makie \[ Info: Precompiling Makie \[ee78f7c6-11fb-53f2-987a-cfe4a2b5a57a\] ERROR: LoadError: ArgumentError: Package Makie does not have Color…

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## [Gadfly: transparent histogram layers](https://discourse.julialang.org/t/gadfly-transparent-histogram-layers/6705)

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**Author:** [@ExpandingMan](https://discourse.julialang.org/u/ExpandingMan)\
**Replies:** 13\
**Last updated:** [September 3, 2018, 11:08am UTC](https://discourse.julialang.org/t/gadfly-transparent-histogram-layers/6705 "2018-09-03T11:08:14Z")

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All I want to do is plot two histograms on the same plot in layers and make them both transparent so I can see both at the same time. I can’t for the life of me figure out how to do this, I’ve tried many of the differen…

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## [Makie.jl Mouse Interaction Question/Discussion](https://discourse.julialang.org/t/makie-jl-mouse-interaction-question-discussion/14396)

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**Author:** [@standarddeviant](https://discourse.julialang.org/u/standarddeviant)\
**Replies:** 11\
**Last updated:** [September 3, 2018, 9:30am UTC](https://discourse.julialang.org/t/makie-jl-mouse-interaction-question-discussion/14396 "2018-09-03T09:30:23Z")

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I recently got Julia 1.0.0 up and running with my favorite packages and tried out Makie and interactive plotting just worked! I have a question and potential suggestion about the mouse interaction model and curious to s…

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## [Should we use N0f8 to store image?](https://discourse.julialang.org/t/should-we-use-n0f8-to-store-image/14315)

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**Author:** [@JohnnyChen94](https://discourse.julialang.org/u/JohnnyChen94)\
**Replies:** 0\
**Last updated:** [August 30, 2018, 1:00pm UTC](https://discourse.julialang.org/t/should-we-use-n0f8-to-store-image/14315 "2018-08-30T13:00:51Z")

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We use N0f8 to store image data in default. But I wonder if this does correctly. using Images # my custom function function down\_intensity!(img::Array{Gray{T}}, bit) where T gray\_level = range(0, stop = 1, length=…

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## [Performant, interactive Plots.jl backend for jupyter notebook](https://discourse.julialang.org/t/performant-interactive-plots-jl-backend-for-jupyter-notebook/11266)

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**Author:** [@standarddeviant](https://discourse.julialang.org/u/standarddeviant)\
**Replies:** 7\
**Last updated:** [August 30, 2018, 3:29am UTC](https://discourse.julialang.org/t/performant-interactive-plots-jl-backend-for-jupyter-notebook/11266 "2018-08-30T03:29:59Z")

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I’ve been using Plots.jl with plotlyjs() for interactive plots and automated ‘report’ generation. I appreciate the work that’s gone in to Plots.jl and PlotlyJS.jl - I use them every day! Some of the individual plots ha…

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## [Compose.jl basic usage](https://discourse.julialang.org/t/compose-jl-basic-usage/14185)

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**Author:** [@LaurentPlagne](https://discourse.julialang.org/u/LaurentPlagne)\
**Replies:** 4\
**Last updated:** [August 29, 2018, 7:03am UTC](https://discourse.julialang.org/t/compose-jl-basic-usage/14185 "2018-08-29T07:03:06Z")

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Hi, I try to use compose.jl and I fail to understand the very basic usage of it. I want to draw a circle and a text, and it works until I try to put a black line around the circle (stroke which is not in the documentat…

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## [Error with Julia 1.0 + Plots with GR and PyPlot + Conda](https://discourse.julialang.org/t/error-with-julia-1-0-plots-with-gr-and-pyplot-conda/14118)

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**Author:** [@v-i-s-h](https://discourse.julialang.org/u/v-i-s-h)\
**Replies:** 6\
**Last updated:** [August 28, 2018, 6:34am UTC](https://discourse.julialang.org/t/error-with-julia-1-0-plots-with-gr-and-pyplot-conda/14118 "2018-08-28T06:34:34Z")

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Hi, I’m using Julia 1.0 and is trying to use Plots for my plotting. For PyCall, I’m using system conda installation. julia\> versioninfo() Julia Version 1.0.0 Commit 5d4eaca0c9 (2018-08-08 20:58 UTC) Platform Info: OS…

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## [Supported Attributes tables in Plots documentaion disappeared](https://discourse.julialang.org/t/supported-attributes-tables-in-plots-documentaion-disappeared/14069)

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**Author:** [@Carsten](https://discourse.julialang.org/u/Carsten)\
**Replies:** 2\
**Last updated:** [August 27, 2018, 10:56am UTC](https://discourse.julialang.org/t/supported-attributes-tables-in-plots-documentaion-disappeared/14069 "2018-08-27T10:56:40Z")

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In Plots documentation no Supported Attributes are enlisted anymore. Instead I’ve got: # 404 \*\*File not found\*\* The site configured at this address does not contain the requested file.

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## [Venn Diagram](https://discourse.julialang.org/t/venn-diagram/14084)

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**Author:** [@sampie](https://discourse.julialang.org/u/sampie)\
**Replies:** 2\
**Last updated:** [August 27, 2018, 6:37am UTC](https://discourse.julialang.org/t/venn-diagram/14084 "2018-08-27T06:37:30Z")

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Hi, I am wondering how to draw a venn diagram with language. What is a preferred and well supported way of doing that in Julia language? I would be happy if there was some example code that would work out of the box. I …

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## [Transparency in surface plots](https://discourse.julialang.org/t/transparency-in-surface-plots/14099)

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**Author:** [@Alvaro\_Jose\_Gonzalez](https://discourse.julialang.org/u/Alvaro_Jose_Gonzalez)\
**Replies:** 1\
**Last updated:** [August 26, 2018, 11:05pm UTC](https://discourse.julialang.org/t/transparency-in-surface-plots/14099 "2018-08-26T23:05:13Z")

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I am making a surface under Plots.jl (pyplot backend) and cannot change the transparency of the surface. I have played with the parameter alpha, but no results. Any tips?

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## [IJulia: Save a Image from PyPlot as PDF in JupyterLab](https://discourse.julialang.org/t/ijulia-save-a-image-from-pyplot-as-pdf-in-jupyterlab/12880)

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**Author:** [@v-i-s-h](https://discourse.julialang.org/u/v-i-s-h)\
**Replies:** 1\
**Last updated:** [August 23, 2018, 2:54pm UTC](https://discourse.julialang.org/t/ijulia-save-a-image-from-pyplot-as-pdf-in-jupyterlab/12880 "2018-08-23T14:54:29Z")

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Hi, I use jupyter-lab with IJulia kernel for my research. I use PyPlot for my plotting. When using normal Julia scripts, I’m able to use figure() # ... Code to Plot data... savefig( "my\_results.pdf", bbox\_inches = "t…

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## [Trying to plot freezes Julia?](https://discourse.julialang.org/t/trying-to-plot-freezes-julia/13879)

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**Author:** [@HelgavonLichtenstein](https://discourse.julialang.org/u/HelgavonLichtenstein)\
**Replies:** 17\
**Last updated:** [August 22, 2018, 2:58pm UTC](https://discourse.julialang.org/t/trying-to-plot-freezes-julia/13879 "2018-08-22T14:58:22Z")

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Hello, I am trying to create a plot using Plots.jl and have run some code but it has already been over 15 minutes with no response from Julia. The screen looks like: Is this normal? It seems unusual to me. I am using…

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## [Learning how to help with the Plots.jl effort?](https://discourse.julialang.org/t/learning-how-to-help-with-the-plots-jl-effort/13680)

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**Author:** [@djsegal](https://discourse.julialang.org/u/djsegal)\
**Replies:** 5\
**Last updated:** [August 19, 2018, 8:43am UTC](https://discourse.julialang.org/t/learning-how-to-help-with-the-plots-jl-effort/13680 "2018-08-19T08:43:52Z")

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I love Plots.jl, you love Plots.jl, everyone loves Plots.jl. The problem is making a flexible plotting framework is a huge task that’s probably not given the open-source effort it needs. Can we make a table that lists…

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## [Way to add colorbar label to pgfplot in Plots.jl framework?](https://discourse.julialang.org/t/way-to-add-colorbar-label-to-pgfplot-in-plots-jl-framework/13655)

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**Author:** [@djsegal](https://discourse.julialang.org/u/djsegal)\
**Replies:** 1\
**Last updated:** [August 18, 2018, 10:12am UTC](https://discourse.julialang.org/t/way-to-add-colorbar-label-to-pgfplot-in-plots-jl-framework/13655 "2018-08-18T10:12:28Z")

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I have the following plot: The only thing really missing from it, though, is a label above the colorbar saying B\_0 How do you do this?

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## [IJulia + PyPlot: Error on plot()](https://discourse.julialang.org/t/ijulia-pyplot-error-on-plot/13436)

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**Author:** [@v-i-s-h](https://discourse.julialang.org/u/v-i-s-h)\
**Replies:** 1\
**Last updated:** [August 18, 2018, 8:30am UTC](https://discourse.julialang.org/t/ijulia-pyplot-error-on-plot/13436 "2018-08-18T08:30:21Z")

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Hi, I’m trying to use IJulia+PyPlot in Julia 1.0. From REPL, I’m able to plot. however if I use IJulia notebook and try plot( cumsum(rand(100)) ), the following error is coming. PyError ($(Expr(:escape, :(ccall(#= /…

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## [A bit more information about "Integration of OpenCV and JuliaImages"](https://discourse.julialang.org/t/a-bit-more-information-about-integration-of-opencv-and-juliaimages/8824)

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**Author:** [@insoluble](https://discourse.julialang.org/u/insoluble)\
**Replies:** 3\
**Last updated:** [August 17, 2018, 10:36pm UTC](https://discourse.julialang.org/t/a-bit-more-information-about-integration-of-opencv-and-juliaimages/8824 "2018-08-17T22:36:47Z")

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Hi, I want to contribute to this project. I have fair understanding of C++ but new to openCV. Currently I am trying to understand this project. Apart from that on which area should I focus more and know about to be ab…

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## [How to properly plot DataFrames? (... and simplify my call to violin in StatPlots.)](https://discourse.julialang.org/t/how-to-properly-plot-dataframes-and-simplify-my-call-to-violin-in-statplots/13509)

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**Author:** [@rickhg12hs](https://discourse.julialang.org/u/rickhg12hs)\
**Replies:** 9\
**Last updated:** [August 17, 2018, 10:52am UTC](https://discourse.julialang.org/t/how-to-properly-plot-dataframes-and-simplify-my-call-to-violin-in-statplots/13509 "2018-08-17T10:52:48Z")

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I’m looking for a more concise way to call violin. I just want a violin of each category/column of data and also have all the labeling consistent with the Dataframe names. # some data to play with n = 10000 f(k) = rand…

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## [Way to make radial gradient in 2-d PGFPlot?](https://discourse.julialang.org/t/way-to-make-radial-gradient-in-2-d-pgfplot/13271)

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**Author:** [@djsegal](https://discourse.julialang.org/u/djsegal)\
**Replies:** 2\
**Last updated:** [August 13, 2018, 1:46pm UTC](https://discourse.julialang.org/t/way-to-make-radial-gradient-in-2-d-pgfplot/13271 "2018-08-13T13:46:53Z")

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Let’s say you wanted to make a plot like: How would you make a radial gradient using Plots.jl with the PGFPlots backend?

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## [Help with Makie at Hackfest?](https://discourse.julialang.org/t/help-with-makie-at-hackfest/13247)

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**Author:** [@johnh](https://discourse.julialang.org/u/johnh)\
**Replies:** 1\
**Last updated:** [August 11, 2018, 7:08pm UTC](https://discourse.julialang.org/t/help-with-makie-at-hackfest/13247 "2018-08-11T19:08:56Z")

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If anyone is good at using Makie could I have some hints and tips at the Hackfest?

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## [2D Plots... some missing possibilities?](https://discourse.julialang.org/t/2d-plots-some-missing-possibilities/12894)

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**Author:** [@BLI](https://discourse.julialang.org/u/BLI)\
**Replies:** 12\
**Last updated:** [August 10, 2018, 3:40pm UTC](https://discourse.julialang.org/t/2d-plots-some-missing-possibilities/12894 "2018-08-10T15:40:07Z")

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I’m continuing to explore Plots (mainly 2D for now). Some useful things are missing, others are perhaps only hard to find? Figure title – has not been implemented yet. There are some workarounds, but these are somewhat…

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## [Gadfly Performance Issue](https://discourse.julialang.org/t/gadfly-performance-issue/12982)

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**Author:** [@GantZA](https://discourse.julialang.org/u/GantZA)\
**Replies:** 2\
**Last updated:** [August 7, 2018, 11:39am UTC](https://discourse.julialang.org/t/gadfly-performance-issue/12982 "2018-08-07T11:39:55Z")

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I’m trying to create a QQ plot for about 400 000 inter-arrival times, but the resulting plot takes far too long to open or julia crashes. Is there a way to plot more efficiently? plot\_test = plot( x = test1\[:ita\], …

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## [Has anyone made scatter plots with hexagonal binning?](https://discourse.julialang.org/t/has-anyone-made-scatter-plots-with-hexagonal-binning/12909)

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**Author:** [@djsegal](https://discourse.julialang.org/u/djsegal)\
**Replies:** 7\
**Last updated:** [August 7, 2018, 8:01am UTC](https://discourse.julialang.org/t/has-anyone-made-scatter-plots-with-hexagonal-binning/12909 "2018-08-07T08:01:59Z")

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Something came up in my research where I’m doing a scatter plot with way too many points. Has anyone had experience making hexagonally binned plots like the ones seen here: // preferably with pgfplots (or plots.jl), …

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## [Julia Plots.jl: changing marker colour from series recipe](https://discourse.julialang.org/t/julia-plots-jl-changing-marker-colour-from-series-recipe/12914)

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**Author:** [@tanhevg](https://discourse.julialang.org/u/tanhevg)\
**Replies:** 3\
**Last updated:** [August 5, 2018, 7:06pm UTC](https://discourse.julialang.org/t/julia-plots-jl-changing-marker-colour-from-series-recipe/12914 "2018-08-05T19:06:05Z")

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I am trying to put together a Plots.jl user recipe, that would create several scatter plots and histograms arranged in a grid. The scatter plots should occupy the lower triangle of the grid. Histograms go on the diagon…

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## [What is the syntax for vline() in Plots.jl?](https://discourse.julialang.org/t/what-is-the-syntax-for-vline-in-plots-jl/1718)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 7\
**Last updated:** [August 2, 2018, 9:29am UTC](https://discourse.julialang.org/t/what-is-the-syntax-for-vline-in-plots-jl/1718 "2018-08-02T09:29:27Z")

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There is no documentation and reading the source code didn’t help much.

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## [JuliaImages error](https://discourse.julialang.org/t/juliaimages-error/12264)

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**Author:** [@microlifecc](https://discourse.julialang.org/u/microlifecc)\
**Replies:** 2\
**Last updated:** [July 27, 2018, 3:44am UTC](https://discourse.julialang.org/t/juliaimages-error/12264 "2018-07-27T03:44:28Z")

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I tried this: using Images, Unitful, AxisArrays using Unitful: mm, s img = AxisArray(rand(256, 256, 100, 50), (:x, :y, :z, :time), (0.4mm, 0.4mm, 1mm, 2s)) imshow(img) I am getting this error: (julia:14656): Gtk-CR…

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## [Thickness\_scaling in Plots.jl](https://discourse.julialang.org/t/thickness-scaling-in-plots-jl/12539)

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**Author:** [@jcrbloch](https://discourse.julialang.org/u/jcrbloch)\
**Replies:** 4\
**Last updated:** [July 25, 2018, 9:51pm UTC](https://discourse.julialang.org/t/thickness-scaling-in-plots-jl/12539 "2018-07-25T21:51:30Z")

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I used thickness\_scaling = 0.5 in plot() when using Plots but instead of making all lines narrower it enlarges the plot by a factor two.

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