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Bug #4621

closed

Interactive WCartesianChart: excessive updates can revert zoom/pan and affect performance

Added by Bruce Toll almost 9 years ago. Updated over 8 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Roel Standaert
Target version:
3.3.6
Start date:
12/10/2015
Due date:
% Done:

0%

Estimated time:

Description

With Wt 3.3.5-rc2, an interactive WCartesianChart sends a complete update with the next event after a client-side zoom or pan. Depending on the timing of incoming events, this can revert a client or server side change to zoom/pan values. An attached test program (with additional notes) demonstrates the issue.

A patch that seems to help with the issue is also attached for your review; it has had only limited testing.

Files

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test_20151209a_WCartesianChart_zoom_updates.C (4.06 KB) test_20151209a_WCartesianChart_zoom_updates.C Bruce Toll, 12/10/2015 06:04 PM
0001-Eliminate-unnecessary-interactive-chart-updates.patch (2.96 KB) 0001-Eliminate-unnecessary-interactive-chart-updates.patch Bruce Toll, 12/10/2015 06:04 PM
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 #1

Updated by Koen Deforche almost 9 years ago

  • Status changed from New to InProgress
  • Assignee set to Roel Standaert
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 #2

Updated by Roel Standaert almost 9 years ago

  • Status changed from InProgress to Implemented @Emweb

That was indeed not working as intended. I applied your patch.

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 #3

Updated by Bruce Toll almost 9 years ago

Thanks for following-up on this. It's very much appreciated.

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 #4

Updated by Koen Deforche over 8 years ago

  • Status changed from Implemented @Emweb to Resolved
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 #5

Updated by Koen Deforche over 8 years ago

  • Status changed from Resolved to Closed
  • Target version set to 3.3.6
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