Hi,
The numbers correspond to the dimensions of the ROI rectangle I drag. I am
pretty sure it's that, as the exception modifies with my changes... and
goes away when I create a perfect square.
For example:
Exception: X and Y arrays must be the same shape--got (38,) and
(22,).
On Tuesday, May 19, 2020 at 5:26:24 PM UTC+2, megan wrote:
>
> Hi,
>
> That is an error that occurs when you attempt to plot data that has a
> different number of x and y values. I need more information in order to
> understand why you're getting that error though. What are the shapes in the
> error? Can you post the whole traceback?
>
> Megan
>
> On Tue, May 19, 2020 at 9:17 AM Lavinia B <[email protected] <javascript:>>
> wrote:
>
>> Hi,
>> I have an ImageView in which I set data with mode=rgba. When I try to use
>> the ROI , the plot gives me warnings if the ROI is not perfectly square.
>> "..\src\pyqtgraph\pyqtgraph\graphicsItems\PlotCurveItem.py", line 385, in
>> updateData
>> raise Exception("X and Y arrays must be the same shape--got %s and
>> %s." % (self.xData.shape, self.yData.shape))
>>
>> I don't understand why is this enforced. Can somebody explain?
>>
>> Note: this does not happen for mono images, or if I keep my selection
>> shape square.
>>
>>
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