[Kst] Re: branches/work/kst/portto4/kst/src/libkstapp

Peter Kümmel syntheticpp at gmx.net
Tue Mar 22 02:49:36 CET 2011

On 22.03.2011 02:26, Peter Kümmel wrote:
> On 21.03.2011 22:49, Peter Kümmel wrote:
>> On 21.03.2011 21:54, Nicolas Brisset wrote:
>>>> What about this patch for (b) ? We don't have to touch any plugin
>>>> code.
>>>> Seems to work with the polynominal fit.
>>> Yes, I confirm that the curves get loaded correctly. However labels are broken (I guess that's what you meant by polynomials).
>> After loading the label uses X71, X72, and X73, but the label dialog shows x^0==X70, X71, and X72
> The problem is:
>       <variables>
>           <datavector>
>           <scalar initialXNum="25"/>
>       </variables>
>       <objects>
>           <plugin type="Polynomial Fit" initialVNum="3" initialXNum="25" initialPNum="1">
>               <inputscalar type="Order Scalar" tag="2 (X25)"/>
>               <outputvector type="Fit" tag="Fit"/>
>           </plugin>
>       </objects>
> In<variables>  25 scalars are created named X0...X25.
> In<plugin>  it loads (X25) because it could find the existing scalar and _xnum is still 25,
> then the output vectors are created with scalars starting at 25 so we have two X25.
> When I manually change initialXNum="25" in<plugin>  to 26 loading works.
> But I'm not sure how to fix this.
> I've committed a fix (it increments _xnum before the plugin stores it).
> But I hope there is a more generic solution. This bug looks like a principle problem.
> Peter

Or something like attached patch?

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