# Visualization

**URL:** https://discourse.julialang.org/c/domain/viz/17.md?page=95

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**Page:** 96

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## [VTKDataTypes.jl proposed type system - development code](https://discourse.julialang.org/t/vtkdatatypes-jl-proposed-type-system-development-code/4108)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 2\
**Last updated:** [June 7, 2017, 7:34pm UTC](https://discourse.julialang.org/t/vtkdatatypes-jl-proposed-type-system-development-code/4108 "2017-06-07T19:34:22Z")

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This is some development code for VTKDataTypes.jl. It is not tested yet, so please report any bugs you find while using it in your code. Any suggestions are also welcome. Disclaimer: I am no expert, but I am working on i…

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## [The Pyramid immutable in GeometryTypes.jl](https://discourse.julialang.org/t/the-pyramid-immutable-in-geometrytypes-jl/3885)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 6\
**Last updated:** [June 7, 2017, 9:41am UTC](https://discourse.julialang.org/t/the-pyramid-immutable-in-geometrytypes-jl/3885 "2017-06-07T09:41:26Z")

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I was going through types.jl from the GeometryTypes module, and I found the following is the definition of the Pyramid immutable: immutable Pyramid{T} \<: GeometryPrimitive{3, T} middle::Point{3, T} length::T …

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## [Embedding plots in Gtk.jl](https://discourse.julialang.org/t/embedding-plots-in-gtk-jl/4085)

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**Author:** [@piever](https://discourse.julialang.org/u/piever)\
**Replies:** 5\
**Last updated:** [June 5, 2017, 11:54am UTC](https://discourse.julialang.org/t/embedding-plots-in-gtk-jl/4085 "2017-06-05T11:54:25Z")

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I’m exploring the Gtk.jl package to create simple GUIs to visualize data and I wanted to ask if it is it possible to draw a plot created with some backend of Plots.jl (say GR for example) into a Gtk window. I seem to rem…

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## [Cairo offscreen rendering](https://discourse.julialang.org/t/cairo-offscreen-rendering/3997)

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**Author:** [@jpsamaroo](https://discourse.julialang.org/u/jpsamaroo)\
**Replies:** 11\
**Last updated:** [June 1, 2017, 6:31pm UTC](https://discourse.julialang.org/t/cairo-offscreen-rendering/3997 "2017-06-01T18:31:53Z")

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Hey all! I’m working on an application which uses Gtk.jl and associated Graphics packages to render real-time simulations of spiking neural networks. The application is intended to be able to render a large number of dif…

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## [Meaning of tetEdgeCrnrs and tetTri in marching\_tetrahedra.jl of Meshing.jl](https://discourse.julialang.org/t/meaning-of-tetedgecrnrs-and-tettri-in-marching-tetrahedra-jl-of-meshing-jl/3903)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 0\
**Last updated:** [May 24, 2017, 10:04am UTC](https://discourse.julialang.org/t/meaning-of-tetedgecrnrs-and-tettri-in-marching-tetrahedra-jl-of-meshing-jl/3903 "2017-05-24T10:04:10Z")

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The following is part of the source code of marching\_tetrahedra.jl in the Meshing.jl module. The tetEdgeCrnrs and tetTri fields of the VoxelIndices immutable don’t really make sense to me, so I would appreciate the help…

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## [Can VTK.jl load and save vtk and pvd files?](https://discourse.julialang.org/t/can-vtk-jl-load-and-save-vtk-and-pvd-files/3901)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 4\
**Last updated:** [May 24, 2017, 9:31am UTC](https://discourse.julialang.org/t/can-vtk-jl-load-and-save-vtk-and-pvd-files/3901 "2017-05-24T09:31:14Z")

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I am trying to figure out the mesh importing and exporting capabilities of Julia. I came across VTK.jl but but it was hardly documented, so I wonder, is it possible to use VTK.jl to load and save vtk or pvd file formats? …

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## [Visualizing a 3D Vectorfield](https://discourse.julialang.org/t/visualizing-a-3d-vectorfield/3852)

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**Author:** [@steinhagelvoll](https://discourse.julialang.org/u/steinhagelvoll)\
**Replies:** 7\
**Last updated:** [May 24, 2017, 6:38am UTC](https://discourse.julialang.org/t/visualizing-a-3d-vectorfield/3852 "2017-05-24T06:38:56Z")

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I am trying to visualize a 3D Vectorfield like this: Is there any Julia library capable of creating plots like these?

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## [A Suggestion to Integrate GLVisualize and Paraview](https://discourse.julialang.org/t/a-suggestion-to-integrate-glvisualize-and-paraview/3844)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 4\
**Last updated:** [May 22, 2017, 6:27pm UTC](https://discourse.julialang.org/t/a-suggestion-to-integrate-glvisualize-and-paraview/3844 "2017-05-22T18:27:04Z")

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I am a fan of Paraview and a student of GLVisualize. In my usecase, I am trying to make and visualize mesh node data, including scalar and vector fields defined over those nodes. Paraview does an excellent job at that u…

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## [Violin plot interpolates too much](https://discourse.julialang.org/t/violin-plot-interpolates-too-much/3784)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 9\
**Last updated:** [May 18, 2017, 1:03pm UTC](https://discourse.julialang.org/t/violin-plot-interpolates-too-much/3784 "2017-05-18T13:03:04Z")

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I am trying to draw a violin plot of forest structure (distribution of volumes by diameter class). The problem is that violin plot try to interpolate “too much” and draws too many waves: using DataFrames, Plots, StatPl…

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## [Asymmetric violin plot (different right/left series)](https://discourse.julialang.org/t/asymmetric-violin-plot-different-right-left-series/3770)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 2\
**Last updated:** [May 17, 2017, 9:42pm UTC](https://discourse.julialang.org/t/asymmetric-violin-plot-different-right-left-series/3770 "2017-05-17T21:42:19Z")

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Hello, I am trying to obtain a violin plot with different series on the right and on the left. I have tried this code plying from the example in the doc, but I am unable to specify that one series should be on the left …

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## [Gadfly - plot with several graphs, suitable for publications](https://discourse.julialang.org/t/gadfly-plot-with-several-graphs-suitable-for-publications/3718)

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**Author:** [@lanaperisa](https://discourse.julialang.org/u/lanaperisa)\
**Replies:** 2\
**Last updated:** [May 15, 2017, 5:58pm UTC](https://discourse.julialang.org/t/gadfly-plot-with-several-graphs-suitable-for-publications/3718 "2017-05-15T17:58:54Z")

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I’ve lost quite a lot of time to figure our how to include different line styles on graphs with different colors, so it is suitable for black&white publications. After several switching from package to package I’ve decid…

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## [How to draw arrows in 3D with Plots.jl?](https://discourse.julialang.org/t/how-to-draw-arrows-in-3d-with-plots-jl/3622)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 4\
**Last updated:** [May 10, 2017, 6:37am UTC](https://discourse.julialang.org/t/how-to-draw-arrows-in-3d-with-plots-jl/3622 "2017-05-10T06:37:27Z")

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How would you plot a velocity field in 3D assuming that we have the positions in a 3xn matrix P and the velocities in a 3xn matrix V?

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## [Using PyPlot under emacs iESS](https://discourse.julialang.org/t/using-pyplot-under-emacs-iess/3516)

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**Author:** [@ndbecker](https://discourse.julialang.org/u/ndbecker)\
**Replies:** 0\
**Last updated:** [May 4, 2017, 2:33pm UTC](https://discourse.julialang.org/t/using-pyplot-under-emacs-iess/3516 "2017-05-04T14:33:44Z")

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I’m trying PyPlot under emacs iESS mode. I start with: import PyPlot; const plt = PyPlot Then plt.figure does nothing. I need to do plt.pygui(true)\`\`, then figures will appear. Without plt.pygui(true)no figures ap…

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## [Getting PlotlyJS to show up for online jupyter notebooks](https://discourse.julialang.org/t/getting-plotlyjs-to-show-up-for-online-jupyter-notebooks/3484)

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**Author:** [@mirestrepo](https://discourse.julialang.org/u/mirestrepo)\
**Replies:** 5\
**Last updated:** [May 3, 2017, 2:03pm UTC](https://discourse.julialang.org/t/getting-plotlyjs-to-show-up-for-online-jupyter-notebooks/3484 "2017-05-03T14:03:09Z")

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Does anyone know a way to get the plots generated by PlotlyJS inside notebooks to show up online? (they render fine running in local host). In Github or nbviewer they are always blank for me e.g http://nbviewer.jupyter…

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## [Plots types documentation](https://discourse.julialang.org/t/plots-types-documentation/3456)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 7\
**Last updated:** [May 2, 2017, 7:00pm UTC](https://discourse.julialang.org/t/plots-types-documentation/3456 "2017-05-02T19:00:23Z")

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Hello, I am I bit lost with the Plots (but also other plotting packages) documentation: there are really lots of great examples for doing complicate stuff, but on the other side very little comprehensive documentation. …

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## [Plot with not imaginary part](https://discourse.julialang.org/t/plot-with-not-imaginary-part/3458)

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**Author:** [@Tulio\_Valentim](https://discourse.julialang.org/u/Tulio_Valentim)\
**Replies:** 3\
**Last updated:** [May 1, 2017, 5:27pm UTC](https://discourse.julialang.org/t/plot-with-not-imaginary-part/3458 "2017-05-01T17:27:39Z")

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Hi, I need to plot a function/array that have complex number. This complex number are giving bad results to my graphic, as you can see in the image a line keep going in the corner of the Ellipsoid, this line is not welco…

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## [Plotting a StatsBase.Histogram](https://discourse.julialang.org/t/plotting-a-statsbase-histogram/3293)

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**Author:** [@jstrube](https://discourse.julialang.org/u/jstrube)\
**Replies:** 2\
**Last updated:** [April 21, 2017, 5:31am UTC](https://discourse.julialang.org/t/plotting-a-statsbase-histogram/3293 "2017-04-21T05:31:05Z")

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Another particle physicist who likes step histograms here. I’ve googled and came across this: https://github.com/JuliaStats/StatsBase.jl/pull/243 I very much like the plots shown here, but this doesn’t seem to work (a…

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## [Controlled decimation of heatmaps](https://discourse.julialang.org/t/controlled-decimation-of-heatmaps/3060)

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**Author:** [@lwabeke](https://discourse.julialang.org/u/lwabeke)\
**Replies:** 10\
**Last updated:** [April 10, 2017, 7:30am UTC](https://discourse.julialang.org/t/controlled-decimation-of-heatmaps/3060 "2017-04-10T07:30:25Z")

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I have a feature idea/request and would like comments before attempting anything myself: When using heatmap to display images that are larger than the pixel area, the data gets decimated by the backend in order to fit i…

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## [Multiple Windows/Figure with PlotlyJS](https://discourse.julialang.org/t/multiple-windows-figure-with-plotlyjs/3128)

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**Author:** [@v-i-s-h](https://discourse.julialang.org/u/v-i-s-h)\
**Replies:** 0\
**Last updated:** [April 9, 2017, 3:10pm UTC](https://discourse.julialang.org/t/multiple-windows-figure-with-plotlyjs/3128 "2017-04-09T15:10:33Z")

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Hi, I’m using PlotlyJS for visualization is not able to figure out how to get multiple figure windows (Something like PyPlot.figure() ). What is the best way to get this? Thanks, vish

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## [PyPlot doesn't work in 0.6](https://discourse.julialang.org/t/pyplot-doesnt-work-in-0-6/2913)

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**Author:** [@Frank\_Kampas](https://discourse.julialang.org/u/Frank_Kampas)\
**Replies:** 6\
**Last updated:** [March 28, 2017, 3:08pm UTC](https://discourse.julialang.org/t/pyplot-doesnt-work-in-0-6/2913 "2017-03-28T15:08:56Z")

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MethodError: no method matching display\_figs()

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## [Help tring to understand error 666](https://discourse.julialang.org/t/help-tring-to-understand-error-666/2909)

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**Author:** [@joa-quim](https://discourse.julialang.org/u/joa-quim)\
**Replies:** 0\
**Last updated:** [March 27, 2017, 4:09pm UTC](https://discourse.julialang.org/t/help-tring-to-understand-error-666/2909 "2017-03-27T16:09:08Z")

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Hi, the problem here (Windows) seams to be an interference between two C libraries (GMT and ImageMagick). This first command generates a map and works well julia\> using FileIO, GMT julia\> P = gmt("pscoast -R-10/-3/35/4…

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## [Julia Plots.jl with plotlyJS backend pauses on every call to savefig](https://discourse.julialang.org/t/julia-plots-jl-with-plotlyjs-backend-pauses-on-every-call-to-savefig/2787)

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**Author:** [@colintbowers](https://discourse.julialang.org/u/colintbowers)\
**Replies:** 4\
**Last updated:** [March 22, 2017, 12:52am UTC](https://discourse.julialang.org/t/julia-plots-jl-with-plotlyjs-backend-pauses-on-every-call-to-savefig/2787 "2017-03-22T00:52:14Z")

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Hi all, I’m getting the following issue when attempting to use savefig() with the Plots.jl package and plotlyjs() backend (note, Julia v0.5.0, Plots.jl v0.10.3, PlotlyJS.jl v0.5.2, Blink v0.5.1, on Ubuntu 16.04) . Oddly…

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## [RE: GSoC - Interactivity and visualization tools](https://discourse.julialang.org/t/re-gsoc-interactivity-and-visualization-tools/2742)

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**Author:** [@MA\_Laforge](https://discourse.julialang.org/u/MA_Laforge)\
**Replies:** 1\
**Last updated:** [March 17, 2017, 9:27pm UTC](https://discourse.julialang.org/t/re-gsoc-interactivity-and-visualization-tools/2742 "2017-03-17T21:27:44Z")

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Not sure where else to add a comment: I would like to add another interesting Python-based reference tool to the mix: guiqwt: GitHub - PlotPyStack/guiqwt: Efficient 2D plotting Python library based on PythonQwt It app…

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## [Plots.jl - No method matching expand\_extrema](https://discourse.julialang.org/t/plots-jl-no-method-matching-expand-extrema/2717)

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**Author:** [@josimar](https://discourse.julialang.org/u/josimar)\
**Replies:** 1\
**Last updated:** [March 17, 2017, 5:25am UTC](https://discourse.julialang.org/t/plots-jl-no-method-matching-expand-extrema/2717 "2017-03-17T05:25:58Z")

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Hi, I am using the Plots.jl with the GR backend. I am trying to make the following plot: plot( SSE\[1\].Mag, SSE\[1\].N ) Where both SSE\[1\].Mag and SSE\[1\].N are of types Array{Any,1} However, I am getting the error below…

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## [Dense gridlines in Plots.jl](https://discourse.julialang.org/t/dense-gridlines-in-plots-jl/1499)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 4\
**Last updated:** [March 16, 2017, 12:41pm UTC](https://discourse.julialang.org/t/dense-gridlines-in-plots-jl/1499 "2017-03-16T12:41:48Z")

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In a MWE using Plots x = Date(1990,1):Dates.Month(1):Date(2016,1) y = \[rand()+1.0 for \_ in x\] plot(x, y) how could I get vertical grid lines at every year (eg on Jan 1) or every 5 years in the plot? Using various backe…

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## [Showing a captured video sequence with annotations](https://discourse.julialang.org/t/showing-a-captured-video-sequence-with-annotations/2625)

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**Author:** [@TsurHerman](https://discourse.julialang.org/u/TsurHerman)\
**Replies:** 21\
**Last updated:** [March 15, 2017, 9:44am UTC](https://discourse.julialang.org/t/showing-a-captured-video-sequence-with-annotations/2625 "2017-03-15T09:44:53Z")

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Hi , For debugging an object tracking system, I need to be able to display captured images and to easily annotate those images with text. I am looking for a solution that is not dependent on openCV. I don’t care abou…

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## [Error creating animation w/Plots.jl](https://discourse.julialang.org/t/error-creating-animation-w-plots-jl/2602)

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**Author:** [@Sean\_McBane](https://discourse.julialang.org/u/Sean_McBane)\
**Replies:** 2\
**Last updated:** [March 11, 2017, 7:33am UTC](https://discourse.julialang.org/t/error-creating-animation-w-plots-jl/2602 "2017-03-11T07:33:22Z")

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I am trying to make an animation using Plots.jl; the simple interface is really great. Unfortunately, it doesn’t work. It appears to be passing an invalid argument for ImageMagick. The error I get is: Invalid Parameter …

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## [Plotlyjs - animation errors in examples https://juliaplots.github.io/examples/plotlyjs/](https://discourse.julialang.org/t/plotlyjs-animation-errors-in-examples-https-juliaplots-github-io-examples-plotlyjs/2599)

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**Author:** [@olegmikul](https://discourse.julialang.org/u/olegmikul)\
**Replies:** 4\
**Last updated:** [March 11, 2017, 12:39am UTC](https://discourse.julialang.org/t/plotlyjs-animation-errors-in-examples-https-juliaplots-github-io-examples-plotlyjs/2599 "2017-03-11T00:39:00Z")

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Almost all example from https://juliaplots.github.io/examples/plotlyjs/ runs well under Jupyter notebook (some as is, some after minor Julia/Pkg fixes due to version updates). But 3 errors I can’t easy fix: Animation …

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## [Plotly - network error at opening a window from REPL, Jupyter is fine](https://discourse.julialang.org/t/plotly-network-error-at-opening-a-window-from-repl-jupyter-is-fine/2598)

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**Author:** [@olegmikul](https://discourse.julialang.org/u/olegmikul)\
**Replies:** 0\
**Last updated:** [March 10, 2017, 7:52pm UTC](https://discourse.julialang.org/t/plotly-network-error-at-opening-a-window-from-repl-jupyter-is-fine/2598 "2017-03-10T19:52:34Z")

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I am a new in plotlyjs. Works in Jupyter notebook, but not from REPL. From REPL it is opening a standalone window, wait for a while, and then showing: \*\*Network Error (tcp\_error) \*\* A communication error occurred: “Ope…

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## [What name is viewing 3D movie package with time axis?](https://discourse.julialang.org/t/what-name-is-viewing-3d-movie-package-with-time-axis/2537)

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**Author:** [@programista](https://discourse.julialang.org/u/programista)\
**Replies:** 1\
**Last updated:** [March 8, 2017, 9:54am UTC](https://discourse.julialang.org/t/what-name-is-viewing-3d-movie-package-with-time-axis/2537 "2017-03-08T09:54:31Z")

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What name is viewing 3D movie package with time axis ? Thanks Paul

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