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Bug 1869

Summary: EOutOfMemory with TSurfaceSeries
Product: VCL TeeChart Reporter: Uwe Raabe <uwe>
Component: SeriesAssignee: Steema Issue Manager <issuemanager>
Status: RESOLVED NOTABUG    
Severity: blocker CC: sandra
Priority: ---    
Version: 21.170329   
Target Milestone: ---   
Hardware: PC   
OS: Windows   
Chart Series: --- Delphi / C++ Builder RAD IDE Version:
Attachments: Sample project to reproduce the bug

Description Uwe Raabe 2017-05-22 06:51:13 EDT 
Created attachment 764 [details]
Sample project to reproduce the bug

I get an EOutOfMemory exception displaying a 3D surface with my data. Luckily I was able to track down the problem to a few lines of code:

- create a VCL forms application
- drop a TChart onto the form
- add a 3D surface series
- execute the code below

var
  I: Integer;
  J: Integer;
begin
  Series1.Clear;
  for I := 10 to 100 do begin
    for J := 1 to 100 do begin
      Series1.AddXYZ(I*10, Random(10), J*100000);
    end;
  end;
end;

When the series is going to be displayed the app memory goes beyond 1.5 GB and throws an exception.

The problem seems to be related to the large X- and Z-values. Everything is OK when the factor is removed and lower numbers are used.
Comment 1 Uwe Raabe 2017-05-22 06:52:27 EDT 
BTW, this happened with the trial version.