If it's possible, do you mind showing the function you were plotting that lead to the extra lines in Gadfly? The current master should already be using the `group` aesthetic for contour lines.
On Tuesday, July 22, 2014 10:06:53 AM UTC-7, Zahirul ALAM wrote: > > Thanks Stefan, Tomas and Viral. > > Stefan and Tomas: Contourplot definitely looks very pretty in gadfly. > > Tomas: But I am afraid the plot contains extra lines which some of you > have already pointed to be aesthetic issue. It is not entirely clear how to > use the group aesthetic to fix it. I will read on. > > Viral: I am currently using the PyPlot package. > > btw: on this regard, I am yet to a straight forward manner to do find > dual Y axis or dual X axis plot in either Mathematica, Matlab, > Matplotlib, or Maple. May be in Gadfly this is a feature that can be built > in. > > > On Tuesday, 22 July 2014 03:08:26 UTC-4, Tomas Lycken wrote: >> >> > It is only for 2-D plotting, does not do contour or density plot ( two >> types I tend to use the most). I am sure it will only get improved. >> >> There is, actually, some functionality for contour and density plot >> already, but all the nuts and bolts aren't really tightened yet, and I >> don't know if the progress so far has been documented at all, but if you >> have a function `f = (x,y) -> z(x,y)`, you can do `plot(f, xmin, xmax, >> ymin, ymax)` to get a nice contour plot. Support for contour plots of >> matrices is under construction - take a look at [#293]( >> https://github.com/dcjones/Gadfly.jl/issues/293) for more details. >> >> Density plots is sort-of implemented through [Geom.rectbin]( >> http://dcjones.github.io/Gadfly.jl/geom_rectbin.html) which may or may >> not be what you need. >> >> // T >> >> On Monday, July 21, 2014 11:09:31 PM UTC+2, Zahirul ALAM wrote: >>> >>> Thanks Stefan. I did find out that I can type \alpha<tab> for Unicode α. >>> My point was more to do with the "traditional" input / output mode. >>> >>> btw if I am not mistaken I think in markup mode the \alpha<tab> does not >>> work. I guess not even auto complete works in markup mode when pressed tab. >>> May be I am doing it wrong. However it works just fine once the block is >>> "compiled". But I think that has nothing to do with IJulia. >>> >>> I have indeed met Gadfly. I had Gadfly in mind when I wrote that. It is >>> indeed very pretty. It is only for 2-D plotting, does not do contour or >>> density plot ( two types I tend to use the most). I am sure it will only >>> get improved. >>> >>> On Monday, 21 July 2014 14:48:17 UTC-4, Stefan Karpinski wrote: >>>> >>>> On Mon, Jul 21, 2014 at 9:55 AM, Zahirul ALAM <zahiru...@gmail.com> >>>> wrote: >>>> >>>>> One feature I would like to see from IJulia may be is that the input >>>>> of greek and mathematical symbol in way that looks natural, e.g. using >>>>> subscript, in division, integration etc as way to input. This will >>>>> definitely be a significant improvement IMHO. >>>>> >>>> >>>> You can do Unicode input using LaTeX codes in IJulia by typing, e.g. >>>> \alpha<tab>, which will be turned into a Unicode α. That's not as fancy as >>>> what you can do in Mathematica, but I'm not sure we want to go there. I >>>> find editing Mathematica code pretty irritating and it's not that much >>>> better looking except for the "traditional" output mode, which you cannot >>>> use as an input format anyway. >>>> >>>> second feature is to be able to plot a function in a way one can do in >>>>> Mathematica. Plotting packages for Julia does this in very limited way >>>>> (unless I am missing something) >>>>> >>>> >>>> Have you met Gadfly <https://github.com/dcjones/Gadfly.jl>? >>>> >>>
