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bluemodel / BlueM.Wave

Wave is a tool for displaying, analyzing and importing and exporting time series.
https://wiki.bluemodel.org/index.php/BlueM.Wave
GNU Lesser General Public License v3.0
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697: Large time series make Wave sluggish #38

Open bluemodel-bot opened 2 years ago

bluemodel-bot commented 2 years ago
Original bug ID 697
Reported by froehlich on 2016-11-07
Affects version 1.6
Component Allgemein
Severity enhancement
Priority P3
Milestone ---
Assigned to froehlich
Status ASSIGNED

Comments:

froehlich on 2016-11-07:

When a large time series is loaded into the chart, Wave behaves very sluggishly. Any operations on the chart take a few moments until they respond.

One way to improve this could be to load fewer data points into the chart. This would have to be zoom-dependent, though.

froehlich on 2016-11-13:

I noticed that performance significantly improves when you hide the overview chart. Loading fewer data points into the overview chart could be a simple solution without having to reduce the accuracy of the main graph.

froehlich on 2021-08-26:

in v1.9.1 (9b08f25f9df7bc099754959d6bb39c2f5e054a0c) the speed of displaying lines in the overview chart was improved by switching to the line style FastLine.

jamaa commented 11 months ago

Could look into the downsampling methods available in TeeChart: https://www.steema.com/support/viewtopic.php?f=4&t=17990