Reported by Tianzhu Qiao, Jan 5, 2015
Steps to reproduce the problem: 1. install 0.46 2. run the contour demo from scilab help t=linspace(-%pi,%pi,30); function z=my_surface(x, y),z=x*sin(x)^2*cos(y),endfunction contour(t,t,my_surface,10) Expected result: show the contour figure Actual result: contour(t,t,my_surface,10) !--error 202 unglue: Wrong type for input argument #1: Handle matrix expected. at line 160 of function contour2d called by : at line 93 of function contour called by : contour(t,t,my_surface,10) I think the problem is gca()/gcf()(since it is different from the default scilab ones). If I change the gca & gcf to _gca & _gcf. The above code runs fine. Thanks! Best Regards Tianzhu Qiao
Comment 1 by Alberto Monetti, Sep 14, 2015
Dear Tianzhu I have the same problem of you. What do you mean with "change the gca & gcf to _gca & _gcf"? Alberto
Comment 2 by Tianzhu Qiao, Sep 23, 2015
Dear Alberto, I think the problem is that plotlib overwrites the default gca()/gcf() functions, and returns different handlers than the original functions. Thus, contour gets confused. I rename the gca()/gcf() in plotlib to _gca()/_gcf(), and rebuild the plotlib (update buildmacros.sce accordingly). It seems that it works fine now. Best Regards, Tianzhu Qiao
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