[Octave-bug-tracker] [bug #53374] Grid partly missing in logarithmic plot

[Bjorn Blixhavn]

URL:
  <http://savannah.gnu.org/bugs/?53374>

                 Summary: Grid partly missing in logarithmic plot
                 Project: GNU Octave
            Submitted by: bjornb
            Submitted on: Sun 18 Mar 2018 09:17:46 AM UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Inaccurate Result
                  Status: None
             Assigned to: None
         Originator Name: Bjorn Blixhavn
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
        Operating System: Microsoft Windows

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Details:

This problem appears when using Qt as graphics toolkit.
When plotting with semilogx(), and setting the x-axis to end at a value that
is not a power of 10, the last part of the plot does not have vertical minor
grid lines.


clear
close all
graphics_toolkit qt
x=1:600;
y=1./x;    % Or whatever function
figure(1)
semilogx(x,y);
grid on
axis([1 600 0 1])
set(gca,"gridlinestyle","-")
set(gca,"minorgridlinestyle","-")


Changing from Qt to gnuplot will resolve the problem.




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