Many bars and no labels on Y axis

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Eugen Ciuta posted over 16 years ago

Hi everyone, I am using a bar chart to render a lot of data. So a lot of bars are rendered into my chart. The problem is that I see no labels on the Y axis, no matter what formatter I use for them. The huge number of rendered bars could be the cause for this (the bars are rendered very thin) or is something else? Best regards.

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Teodor Taushanov posted over 16 years ago

Could you attach a screenshot of your chart to investigate the problem?
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Eugen Ciuta posted over 16 years ago in reply to Teodor Taushanov

Here is a screen shot.
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Teodor Taushanov posted over 16 years ago in reply to Eugen Ciuta

Yes, your guess is right on target, you have too much data that you want to present. For this case probably is good decision to use scrolling:

this.ultraChart1.Axis.Y.ScrollScale.Visible = true;

this.ultraChart1.Axis.Y.ScrollScale.Scale = 0.2;
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220

Eugen Ciuta posted over 16 years ago in reply to Teodor Taushanov

Thanks! It works with the scroll bar.
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Eugen Ciuta posted over 16 years ago in reply to Eugen Ciuta

Now I am facing a new problem. I need to render the Y axis labels using the percentage style. So, I set TickmarkStyle=Percentage and TickmarkPercentage=25 but nothing happens. What should I change to make it work?
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Offline David Negley posted over 16 years ago in reply to Eugen Ciuta

string-based Axes like the Y axis in a bar chart ignore TickmarkStyle = Percentage since that is the default value for the property, and the default behavior is supposed to display a label for every bar.
if you need to implement an "every nth label" solution, you can set TickmarkStyle = DataInterval and set the TickmarkInterval to whatever value is appropriate.
you could also use the ChartDrawItem event to hide certain axis labels.
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