This seemed to match:
> using PyPlot, PyCall
> @pyimport matplotlib.colors as COL
> @pyimport numpy as np
> xaxis = linspace(1, 20, 101)
> yaxis = linspace(2, 5, 101)
> data = Float64[x+y for x in xaxis, y in yaxis];
> X, Y = np.meshgrid(xaxis, yaxis)
> plt = pcolormesh(X, Y, data', norm = COL.LogNorm(vmin=minimum(data),
> vmax=maximum(data)))
> colorbar()
> savefig("test.png")
On Mon, Sep 21, 2015 at 1:34 PM, Jan Strube <jan.str...@gmail.com> wrote:
> A small python snippet that does roughly what I want is below.
> I'm using asymmetric data to remind myself whether to transpose the matrix
> or not.
> Thanks for your help.
>
>
> from matplotlib import pyplot as plt
> from matplotlib.colors import LogNorm
> import numpy as np
> import sys
> xaxis = np.linspace(1, 20, 101)
> yaxis = np.linspace(2, 5, 101)
> data = np.zeros((100, 100))
>
> for x in range(100):
> for y in range(100):
> data[x,y] = xaxis[x] + yaxis[y]
> X, Y = np.meshgrid(xaxis, yaxis)
> # I can figure out how to make this figure in Julia
> #p = plt.pcolormesh(X, Y, data.T)
>
> # This is what I would like instead
> p = plt.pcolormesh(X, Y, data.T, norm=LogNorm(vmin=np.min(data), vmax=np.
> max(data)))
> plt.colorbar(p)
> plt.savefig("test.png")
>
>
>
>
>
> On Sunday, September 20, 2015 at 8:54:26 PM UTC-7, Tom Breloff wrote:
>>
>> Yes you should probably use `collect`.
>>
>> With regards to plotting... can you post the pyplot code that generates
>> the graph that you want? We may be able to either show you how to do it in
>> julia, or it will help in future development by pinpointing a deficiency.
>> Thanks.
>>
>> On Sun, Sep 20, 2015 at 11:11 PM, Jan Strube <jan.s...@gmail.com> wrote:
>>
>>> I'm trying to write some data and axis definitions to HDF5 for later
>>> plotting in pyplot. (Because I haven't figured out how to do lognorm on
>>> pcolormesh in PyPlot.jl)
>>> Writing the data - a 2D array - is no problem.
>>> Writing the axes - linspace(min, max, 100) - doesn't work, because I
>>> just found out that linspace creates a LinSpace object, not an array, and
>>> HDF5 doesn't know how to write that.
>>> My question is: What is an idiomatic way to turn LinSpace into an Array?
>>> Is collect the recommended way to do this?
>>>
>>>
>>
