# Visualization

**URL:** https://discourse.julialang.org/c/domain/viz/17.md?page=96

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**Page:** 97

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## [GLVisualize and Julia 0.6?](https://discourse.julialang.org/t/glvisualize-and-julia-0-6/2515)

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**Author:** [@Benoit9](https://discourse.julialang.org/u/Benoit9)\
**Replies:** 3\
**Last updated:** [March 7, 2017, 7:56pm UTC](https://discourse.julialang.org/t/glvisualize-and-julia-0-6/2515 "2017-03-07T19:56:11Z")

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Hello, I am new to Julia, just installed the latest version (b53d6f2) on Ubuntu 16.04. I am using 0.6 instead of a stable release because CUDAnative seems to require it. Trying to Pkg.test(“GLVisualize”), I get lots of…

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## [Radon and iradon transforms](https://discourse.julialang.org/t/radon-and-iradon-transforms/2407)

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**Author:** [@yalexand](https://discourse.julialang.org/u/yalexand)\
**Replies:** 31\
**Last updated:** [March 6, 2017, 1:28pm UTC](https://discourse.julialang.org/t/radon-and-iradon-transforms/2407 "2017-03-06T13:28:06Z")

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Hi All, I am new to Julia, coming from Matlab, recently started working on OPT (Optical Projection Tomography) project where one of requirements is open source. I tried to implement something similar to Matlab radon/ir…

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## [Glvisualize view method being overwritten](https://discourse.julialang.org/t/glvisualize-view-method-being-overwritten/2324)

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**Author:** [@purplishrock](https://discourse.julialang.org/u/purplishrock)\
**Replies:** 4\
**Last updated:** [March 3, 2017, 4:08am UTC](https://discourse.julialang.org/t/glvisualize-view-method-being-overwritten/2324 "2017-03-03T04:08:47Z")

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Installation of the package went smoothly, so I think that it’s installed correctly. I tried running the sinfun example, using include(“sinfun.jl”) while in the repl, for glvisualize and it get the following error: WAR…

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## [Mesh format for saving vertices, edges and scalar labels](https://discourse.julialang.org/t/mesh-format-for-saving-vertices-edges-and-scalar-labels/2252)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 0\
**Last updated:** [February 23, 2017, 4:57pm UTC](https://discourse.julialang.org/t/mesh-format-for-saving-vertices-edges-and-scalar-labels/2252 "2017-02-23T16:57:56Z")

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What is the most simple mesh format in MeshIO to save a graph with scalar labels at the vertices and possibly scalar labels at the edges?

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## [Plotting time series and data from Quandl](https://discourse.julialang.org/t/plotting-time-series-and-data-from-quandl/2235)

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**Author:** [@Andrea\_Tersigni](https://discourse.julialang.org/u/Andrea_Tersigni)\
**Replies:** 5\
**Last updated:** [February 24, 2017, 10:55pm UTC](https://discourse.julialang.org/t/plotting-time-series-and-data-from-quandl/2235 "2017-02-24T22:55:42Z")

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Hello, I’m new and I’m learning how to get time series from Quandl and work with them. I just managed to get the time series with only dates and closing prices and I would like to plot it. I read all PyPlot and Plots pa…

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## [Plots multiple groups of series from a dataframe (seems a bug in plots?)](https://discourse.julialang.org/t/plots-multiple-groups-of-series-from-a-dataframe-seems-a-bug-in-plots/2246)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 3\
**Last updated:** [February 23, 2017, 1:16pm UTC](https://discourse.julialang.org/t/plots-multiple-groups-of-series-from-a-dataframe-seems-a-bug-in-plots/2246 "2017-02-23T13:16:44Z")

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I am trying to plot multiple groups of series from a dataframe, distinguish the group by line attribute and the individual serie by colour. The problem is that, although I define my own palette, only the first group of…

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## [Plotting in windows?](https://discourse.julialang.org/t/plotting-in-windows/1847)

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**Author:** [@purplishrock](https://discourse.julialang.org/u/purplishrock)\
**Replies:** 12\
**Last updated:** [February 15, 2017, 8:15pm UTC](https://discourse.julialang.org/t/plotting-in-windows/1847 "2017-02-15T20:15:01Z")

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I’m having not having any luck for the backends in Plots under windows. I’ve tried pyplot, gr and plotlyjs. i tend to get a lot of \_show is not defined for this backend Also too, pyplot is giving me a page full of er…

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## [Plots keeps installing pyplot over and over and over](https://discourse.julialang.org/t/plots-keeps-installing-pyplot-over-and-over-and-over/2047)

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**Author:** [@purplishrock](https://discourse.julialang.org/u/purplishrock)\
**Replies:** 1\
**Last updated:** [February 12, 2017, 7:34am UTC](https://discourse.julialang.org/t/plots-keeps-installing-pyplot-over-and-over-and-over/2047 "2017-02-12T07:34:09Z")

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everytime a try to plot i get: If the code has a Segmentation fault error switch to qt v4.8.5 by pasting the following code into julia: if !Plots.is\_installed("PyPlot") Pkg.add("PyPlot") end withenv("PYTHON" =\> …

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## [Incorrect colors across different series in Plots.jl](https://discourse.julialang.org/t/incorrect-colors-across-different-series-in-plots-jl/2017)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 2\
**Last updated:** [February 10, 2017, 4:42pm UTC](https://discourse.julialang.org/t/incorrect-colors-across-different-series-in-plots-jl/2017 "2017-02-10T16:42:54Z")

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I have pushed a plot recipe for my package that produces a plot from an image that looks like this: In this recipe I tried to highlight the optimum solution in the x axis using the same color of the series. However, a…

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## [Ticks and grid for x in Plots.jl](https://discourse.julialang.org/t/ticks-and-grid-for-x-in-plots-jl/1991)

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**Author:** [@Diego\_Javier\_Zea](https://discourse.julialang.org/u/Diego_Javier_Zea)\
**Replies:** 4\
**Last updated:** [February 9, 2017, 2:17pm UTC](https://discourse.julialang.org/t/ticks-and-grid-for-x-in-plots-jl/1991 "2017-02-09T14:17:21Z")

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Hi! Is there a way to delete the vertical grid without deleting the ticks on x? Best,

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## [Invisible axes, labels, etc. with PyPlot?](https://discourse.julialang.org/t/invisible-axes-labels-etc-with-pyplot/1816)

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**Author:** [@mgiugliano](https://discourse.julialang.org/u/mgiugliano)\
**Replies:** 10\
**Last updated:** [February 8, 2017, 9:26am UTC](https://discourse.julialang.org/t/invisible-axes-labels-etc-with-pyplot/1816 "2017-02-08T09:26:12Z")

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x = 0:0.1:2π y = sin(x) plot(x,y) ax = gca() ax\[:set\_frame\_on\](false) ?? ?? What else do I need to specify, in order to make everything but the plotted sinusoid invisible?

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## [Embedding plotting in a larger piece of code](https://discourse.julialang.org/t/embedding-plotting-in-a-larger-piece-of-code/1963)

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**Author:** [@ko56](https://discourse.julialang.org/u/ko56)\
**Replies:** 2\
**Last updated:** [February 7, 2017, 7:31pm UTC](https://discourse.julialang.org/t/embedding-plotting-in-a-larger-piece-of-code/1963 "2017-02-07T19:31:56Z")

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I am trying to include some plotting in a larger piece of code. Here is a very simple example: using Plots plotly() x = linspace(0,7) plot(x,sin(x)) 1+1 This works, but if I uncomment the last line, no plot appears…

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## [How to construct an image from RGB channels?](https://discourse.julialang.org/t/how-to-construct-an-image-from-rgb-channels/1947)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 2\
**Last updated:** [February 7, 2017, 4:12pm UTC](https://discourse.julialang.org/t/how-to-construct-an-image-from-rgb-channels/1947 "2017-02-07T16:12:49Z")

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Suppose I have 3 channels as arrays, I tried displaying the image below in Jupyter but it doesn’t look correct: using Images R = 255\*rand(100,100) G = 255\*rand(100,100) B = 255\*rand(100,100) img = colorview(RGB, R, G,…

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## [How to select a particular color in an image using the new Images.jl?](https://discourse.julialang.org/t/how-to-select-a-particular-color-in-an-image-using-the-new-images-jl/1930)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 1\
**Last updated:** [February 6, 2017, 7:52am UTC](https://discourse.julialang.org/t/how-to-select-a-particular-color-in-an-image-using-the-new-images-jl/1930 "2017-02-06T07:52:26Z")

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Suppose I give you an image like the Julia logo: Let’s say I am interested in creating a binary mask that indicates the black letters (i.e. Julia) or that I am interested in selecting only the blueish dot on top of “J…

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## [Coordinates for nodes in LightGraphs.jl](https://discourse.julialang.org/t/coordinates-for-nodes-in-lightgraphs-jl/1868)

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**Author:** [@varun7rs](https://discourse.julialang.org/u/varun7rs)\
**Replies:** 1\
**Last updated:** [February 3, 2017, 3:30pm UTC](https://discourse.julialang.org/t/coordinates-for-nodes-in-lightgraphs-jl/1868 "2017-02-03T15:30:59Z")

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I am reading in an XML file to create a graph using LightGraphs package. I later intend to save the graph using TikzGraphs package. I would however want to know if there is a possibility to include additional node attrib…

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## [Assigning different markers to series](https://discourse.julialang.org/t/assigning-different-markers-to-series/1725)

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**Author:** [@purplishrock](https://discourse.julialang.org/u/purplishrock)\
**Replies:** 4\
**Last updated:** [January 28, 2017, 4:20am UTC](https://discourse.julialang.org/t/assigning-different-markers-to-series/1725 "2017-01-28T04:20:29Z")

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I have something like plot(plot(\[\[1:m:length(yint)\], \[1:length(yint)\]\], \[real(s), real(yint)\]), plot(\[\[1:m:length(yint)\], \[1:length(yint)\]\], \[imag(s), imag(yint)\]), markershape=:circle, layout…

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## [Plotting options for DataFrames with NullableArray](https://discourse.julialang.org/t/plotting-options-for-dataframes-with-nullablearray/1584)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 9\
**Last updated:** [January 20, 2017, 8:08pm UTC](https://discourse.julialang.org/t/plotting-options-for-dataframes-with-nullablearray/1584 "2017-01-20T20:08:26Z")

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I have been transitioning to Nullables in my data analysis code, then belatedly realized that neither Gadfly nor Plots.jl work with current master DataFrames. Is there a plotting package that is usable at the moment? ht…

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## [GLVisualize maximum intensity projection: set 'inherent' attenuation](https://discourse.julialang.org/t/glvisualize-maximum-intensity-projection-set-inherent-attenuation/1501)

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**Author:** [@samuelpowell](https://discourse.julialang.org/u/samuelpowell)\
**Replies:** 5\
**Last updated:** [January 16, 2017, 10:27pm UTC](https://discourse.julialang.org/t/glvisualize-maximum-intensity-projection-set-inherent-attenuation/1501 "2017-01-16T22:27:29Z")

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I am using GLVisualize to render a maximum intensity protection of some volumetric data: viewable = visualize(array, :mip) \_view(viewable, window, camera=:perspective) This works okay, but at certain angles the field i…

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## [GLVisualize - primitives](https://discourse.julialang.org/t/glvisualize-primitives/1485)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 4\
**Last updated:** [January 15, 2017, 8:56pm UTC](https://discourse.julialang.org/t/glvisualize-primitives/1485 "2017-01-15T20:56:40Z")

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Hello, which primitives are there in GLVisualize? I found spheres and lines, but is there also a cylinder primitive? I would like to port some code from cgkit (Python) to Julia. They have a lot of primitives: http:/…

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## [GLVisualize example fails](https://discourse.julialang.org/t/glvisualize-example-fails/1482)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 2\
**Last updated:** [January 14, 2017, 6:13pm UTC](https://discourse.julialang.org/t/glvisualize-example-fails/1482 "2017-01-14T18:13:45Z")

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Hello, I try to run the following example code from the manual: https://gist.github.com/ufechner7/8559c4fe9c7e4b0ec0b858090684d5e5 This results in the following error message: julia\> include("viewer.jl") ERROR: LoadE…

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## [Plots: Labeling](https://discourse.julialang.org/t/plots-labeling/1309)

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**Author:** [@Diger](https://discourse.julialang.org/u/Diger)\
**Replies:** 11\
**Last updated:** [January 11, 2017, 2:11am UTC](https://discourse.julialang.org/t/plots-labeling/1309 "2017-01-11T02:11:56Z")

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In old Plots I could use sth like: xlabel=“\\u3b7” which doesnt work anymore now. Also is it possible to increase the legend size and text?!?

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## [Visualize 3D slices of an 3D image volume?](https://discourse.julialang.org/t/visualize-3d-slices-of-an-3d-image-volume/1255)

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**Author:** [@jwu](https://discourse.julialang.org/u/jwu)\
**Replies:** 10\
**Last updated:** [January 5, 2017, 11:17pm UTC](https://discourse.julialang.org/t/visualize-3d-slices-of-an-3d-image-volume/1255 "2017-01-05T23:17:57Z")

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I’d like to visualize a 3D image volume, but did not find an example in Plots.jl and GLVisualize.jl. one example is here I found that there is an example in the tutorial of GLAbstraction, but it requires an existing…

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## [UnicodePlots examples; Plotly licensing](https://discourse.julialang.org/t/unicodeplots-examples-plotly-licensing/1280)

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**Author:** [@Evizero](https://discourse.julialang.org/u/Evizero)\
**Replies:** 9\
**Last updated:** [January 4, 2017, 2:08pm UTC](https://discourse.julialang.org/t/unicodeplots-examples-plotly-licensing/1280 "2017-01-04T14:08:12Z")

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If it is really only just about having a quick and dirty look from the terminal, then maybe this does the job: julia\> using UnicodePlots julia\> histogram(randn(1000)) ┌──────────────────────────────────…

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## [Gadfly - Positioning the legend and entry alignments](https://discourse.julialang.org/t/gadfly-positioning-the-legend-and-entry-alignments/1272)

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**Author:** [@v-i-s-h](https://discourse.julialang.org/u/v-i-s-h)\
**Replies:** 0\
**Last updated:** [January 4, 2017, 9:16am UTC](https://discourse.julialang.org/t/gadfly-positioning-the-legend-and-entry-alignments/1272 "2017-01-04T09:16:49Z")

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Hi, I’m using Gadfly to plot some results. I want to put the legend on top of the figure, but when I use the following code results = Dict{String,Array{Float64,1}}() # Run the experiments and put the observations into…

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## [Join JuliaGraphics org?](https://discourse.julialang.org/t/join-juliagraphics-org/1235)

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**Author:** [@cormullion](https://discourse.julialang.org/u/cormullion)\
**Replies:** 3\
**Last updated:** [January 1, 2017, 1:04pm UTC](https://discourse.julialang.org/t/join-juliagraphics-org/1235 "2017-01-01T13:04:36Z")

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I’m thinking that I’d like to move the package Luxor.jl from my personal github to the JuliaGraphics organization. It complements some of the other packages in that org, and could be a useful alternative to Compose.jl an…

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## [Just added AnyChart JS Charts integration template for data visualization with Julia and MySQL](https://discourse.julialang.org/t/just-added-anychart-js-charts-integration-template-for-data-visualization-with-julia-and-mysql/1202)

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**Author:** [@andreykh](https://discourse.julialang.org/u/andreykh)\
**Replies:** 2\
**Last updated:** [December 30, 2016, 7:55am UTC](https://discourse.julialang.org/t/just-added-anychart-js-charts-integration-template-for-data-visualization-with-julia-and-mysql/1202 "2016-12-30T07:55:27Z")

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We at AnyChart JS Charts have just released a series of 20+ integration templates to help web developers add interactive charts, maps and dashboards to HTML5 apps faster with various popular technology stacks. In partic…

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## [Plotting of heatmap colorbar in Plots.jl](https://discourse.julialang.org/t/plotting-of-heatmap-colorbar-in-plots-jl/1199)

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**Author:** [@bkamins](https://discourse.julialang.org/u/bkamins)\
**Replies:** 0\
**Last updated:** [December 29, 2016, 12:20pm UTC](https://discourse.julialang.org/t/plotting-of-heatmap-colorbar-in-plots-jl/1199 "2016-12-29T12:20:34Z")

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I have the following code: using Plots pyplot() heatmap(1:2, 1:2, eye(2), colorbar=false) plotly() heatmap(1:2, 1:2, eye(2), colorbar=false) Under pyplot colorbar is not drawn (as expected). However, I am unable to di…

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## [PyPlot versus GR scatter plot appearance](https://discourse.julialang.org/t/pyplot-versus-gr-scatter-plot-appearance/1061)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 19\
**Last updated:** [December 22, 2016, 3:50pm UTC](https://discourse.julialang.org/t/pyplot-versus-gr-scatter-plot-appearance/1061 "2016-12-22T15:50:29Z")

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I have some million points to plot in 3D and would like to use the GR backend of Plots.jl to speedup exploration. The PyPlot backend gives me a desirable output: but all the details are missing with GR: Is there …

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## [Update visualizations in compose.jl without redrawing everything? ...transitions?](https://discourse.julialang.org/t/update-visualizations-in-compose-jl-without-redrawing-everything-transitions/1068)

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**Author:** [@TravisA9](https://discourse.julialang.org/u/TravisA9)\
**Replies:** 4\
**Last updated:** [December 21, 2016, 6:15pm UTC](https://discourse.julialang.org/t/update-visualizations-in-compose-jl-without-redrawing-everything-transitions/1068 "2016-12-21T18:15:19Z")

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Been learning to use ComposeJl and it’s very cool. I would really love to see more extensive documentation though. I have been figuring a few things out by digging through the code. I am testing Compose out in an applica…

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## [Re-position plot labels in subplot grid in Gadfly](https://discourse.julialang.org/t/re-position-plot-labels-in-subplot-grid-in-gadfly/793)

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**Author:** [@Christopher\_Fisher](https://discourse.julialang.org/u/Christopher_Fisher)\
**Replies:** 1\
**Last updated:** [December 19, 2016, 10:31am UTC](https://discourse.julialang.org/t/re-position-plot-labels-in-subplot-grid-in-gadfly/793 "2016-12-19T10:31:37Z")

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Hi all- I have two plots vertically stacked with subgrid plot in Gadfly. Each plot is labeled on the y axis (e.g. Plot1, Plot2) along with the y variable. Is it possible to put the labels either above or below each plot…

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