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Hello Salvatore,<br>
Thanks for the reply.<br>
Yes, I used the same dataset and switched x and y. It worked when I
did log transform with left-axis.<br>
the same dataset fails if I switch x and y and do transform on
bottom axis.<br>
BR Peter<br>
<br>
<br>
<div class="moz-cite-prefix">Am 08.12.2013 18:44, schrieb Salvatore
Coppola:<br>
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cite="mid:CAMhKuRuW2YzyyAVqHrWjSt__itQsni52pKVsDPov1Meeacz-SQ@mail.gmail.com"
type="cite">
<div dir="ltr">Have you checked data (>0)?
<div>Salvatore</div>
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<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">2013/12/7 Peter Thurner <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:pm.thurner@gmx.at" target="_blank">pm.thurner@gmx.at</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hello *,<br>
<br>
This is the first time that I post something, so please be
patient with me :-)<br>
<br>
I have been using Plotpanel now for a while to plot Bode
diagrams within Lazarus GUIs.<br>
Now I would like to switch to TAChart which seems very
powerfull too.<br>
I tried it out with linear graphs and it works very well.<br>
<br>
But If I try to plot a bode diagram with a logarithmic x
Axis then it crashes.<br>
I followed the tutorial about logarithmic transform:<br>
<a moz-do-not-send="true"
href="http://wiki.freepascal.org/TAChart_Tutorial:_ListChartSource,_Logarithmic_Axis,_Fitting"
target="_blank">http://wiki.freepascal.org/TAChart_Tutorial:_ListChartSource,_Logarithmic_Axis,_Fitting</a><br>
and I did all the steps successfully.<br>
<br>
BUT If I try to apply a logarithmic transform to the bottom
axis (x-axis) then it crashes.<br>
It displays the graph but the grid lines are gone.<br>
Has anybody tried already to apply log transform to bottom
axis? It works for left axis.<br>
<br>
Thanks<br>
PeterT<br>
<br>
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