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Peaks in Line Chart


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Posted

Hi

Our trend creates peaks in the linechart at the beginning and the end of the

trend. I added a jpeg in my poste for demonstration. The chart get the data

from a dataset, these values are correct and not responsible for this peaks.

This happend in every line chart in our project when there is a change from

a big value(eg. 60155) to a small value(eg. 125).

I think there is something wrong in the drawing of the chart.

Thanks for your help.

Daniel Winkler

Posted

1) What type of Chart is this ? A line chart or a Curve Chart  If it is a 

curve chart this may be caused by the algorithm trying to smooth out sudden

changes.

2) Please attach the data for this chart.

--

Francisco Padron

www.chartfx.com

  • 1 month later...
Posted

1) it is a curve chart. what do you mean with smooth out?

2) what do you mean with aatach the data, should i poste all the values or

the chw file? how can i get this chw file, where are they stored?

daniel winkler

"SoftwareFX Support" <noreply@softwarefx.com> schrieb im Newsbeitrag

news:0gAV%23BB2GHA.1852@webserver3.softwarefx.com...

> 1) What type of Chart is this ? A line chart or a Curve Chart If it is a

> curve chart this may be caused by the algorithm trying to smooth out

> sudden changes.

>

> 2) Please attach the data for this chart.

>

> --

> Francisco Padron

> www.chartfx.com

>

Posted

> what do you mean with smooth out?

A curve chart is by definition "smooth" meaning that if there is a sudden

change in direction, the curve will be extended to be able to make the

transition look smooth. Think about it as a car trying to make a sharp turn

at high speed, you need to go to the outside of the road in order to make

the turn. If you are going too fast or the curve is too sharp, you will need

to go out of the road. This is what happens with curve chart, sometimes the

transition is so sharp that in order to make it smooth you have to go out of

the chart area.

A line chart doesn´t have this problem as it just connects points using

straight lines.

> what do you mean with attach the data, should i poste all the values or

> the chw file? how can i get this chw file, where are they stored?

The CHW file can be obtained by calling the Export method (Chart class).

--

Francisco Padron

www.chartfx.com

Posted

hi

thank you for your answer.

i changed my chart from curve to line and everything is ok.

Daniel Winkler

"SoftwareFX Support" <noreply@softwarefx.com> schrieb im Newsbeitrag

news:T3I18q2$GHA.1620@webserver3.softwarefx.com...

>> what do you mean with smooth out?

>

> A curve chart is by definition "smooth" meaning that if there is a sudden

> change in direction, the curve will be extended to be able to make the

> transition look smooth. Think about it as a car trying to make a sharp

> turn at high speed, you need to go to the outside of the road in order to

> make the turn. If you are going too fast or the curve is too sharp, you

> will need to go out of the road. This is what happens with curve chart,

> sometimes the transition is so sharp that in order to make it smooth you

> have to go out of the chart area.

>

> A line chart doesn´t have this problem as it just connects points using

> straight lines.

>

>> what do you mean with attach the data, should i poste all the values or

>> the chw file? how can i get this chw file, where are they stored?

>

> The CHW file can be obtained by calling the Export method (Chart class).

>

> --

> Francisco Padron

> www.chartfx.com

>

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