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Bug 1487

Summary: MarksOnBar not correctly centred when using TBarSeries and MarksLocation is mlCenter
Product: VCL TeeChart Reporter: yeray alonso <yeray>
Component: SeriesAssignee: Steema Issue Manager <issuemanager>
Status: RESOLVED FIXED    
Severity: enhancement    
Priority: ---    
Version: unspecified   
Target Milestone: ---   
Hardware: PC   
OS: Windows   
URL: http://www.teechart.net/support/viewtopic.php?f=3&t=15994#p71148
Chart Series: --- Delphi / C++ Builder RAD IDE Version:
Attachments: screenshot

Description yeray alonso 2016-03-31 07:27:58 EDT 
Created attachment 577 [details]
screenshot

Having a TBarSeries with MarksLocation as mlCenter, the mark is almost in the centre, but if you look it closely you'll see it is a few pixels displaced.

You can see it if you have a bar smaller than the rest, so the bar bounds is similar to the mark bounds:

uses Series;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Chart1.View3D:=false;

  with Chart1.AddSeries(TBarSeries) as TBarSeries do
  begin
    FillSampleValues();
    YValue[2]:=MaxYValue/10;
    MarksOnBar:=true;
    MarksLocation:=mlCenter;
  end;
end;