Hi Adel, Thank you for the quick response. When I try *kwant.plotter.map(sys, value, vmin=0, vmax=2) *I get the following error:
ValueError: Only 2D systems can be plotted this way. My system is a 3D system. I would be glad if you could help me out in this regard. Best regards, Shivang Agarwal On Mon, Nov 19, 2018 at 6:57 PM Abbout Adel <abbout.a...@gmail.com> wrote: > Dear Shivang, > Just use the options you have in matplotlib. > You can, for example, write help(kwant.plotter.map) you get: > > Help on function map in module kwant.plotter: > > map(sys, value, colorbar=True, cmap=None, vmin=None, vmax=None, a=None, > method='nearest', oversampling=3, num_lead_cells=0, file=None, show=True, > dpi=None, fig_size=None, ax=None, pos_transform=None, background='#e0e0e0') > Show interpolated map of a function defined for the sites of a system. > > Create a pixmap representation of a function of the sites of a system by > calling `~kwant.plotter.mask_interpolate` and show this pixmap using > matplotlib. > > Parameters > ---------- > sys : kwant.system.FiniteSystem or kwant.builder.Builder > The system for whose sites `value` is to be plotted. > value : function or list > Function which takes a site and returns a value if the system is a > builder, or a list of function values for each system site of the > finalized system. > colorbar : bool, optional > Whether to show a color bar if numerical data has to be plotted. > Defaults to `True`. If `ax` is provided, the colorbar is never > plotted. > cmap : ``matplotlib`` color map or `None` > The color map used for sites and optionally hoppings, if `None`, > ``matplotlib`` default is used. > vmin : float, optional > The lower saturation limit for the colormap; values returned by > `value` which are smaller than this will saturate > vmax : float, optional > The upper saturation limit for the colormap; valued returned by > `value` which are larger than this will saturate > > > > I hope this helps, > > Adel > > > On Mon, Nov 19, 2018 at 12:42 PM Shivang Agarwal < > shivang.agar...@iitgn.ac.in> wrote: > >> Dear All, >> >> I am using the kwant.plot and kwant.wavefunction functions to plot the >> wavefunction's sqaured amplitude on the system. For my work, I need to >> compare such plots on two different systems. It is tough to compare the >> values as the max and min is not defined on the colorbar. For example, if >> system 1 has a max value of 0.9 it will be shown as yellow. However, if >> system 2 has a max value of 2.4 it will also be shown as yellow because the >> max value gets automatically assigned to the top of the colorbar (inferno >> in this case). >> >> Would it be possible to assign the max of the colorbar to a fixed number, >> say 5, for all plots. That way the value 5 will be yellow and 2.4 could be >> orange while 0.9 could be blue - leading to easier comparison between plots >> of seen side by side. >> >> Any help would be greatly appreciated. >> >> Thanks and best regards, >> Shivang Agarwal >> >> -- >> *Shivang Agarwal* >> Senior Undergraduate >> Coordinator - Academic Discussion Hours >> Discipline of Electrical Engineering >> IIT Gandhinagar >> >> Contact: +91-9869321451 >> > > > -- > Abbout Adel > -- *Shivang Agarwal* Senior Undergraduate Coordinator - Academic Discussion Hours Discipline of Electrical Engineering IIT Gandhinagar Contact: +91-9869321451
