historical_graphs
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historical_graphs [2018/12/24 16:26] – [Historical graphs] emozolyak | historical_graphs [2023/03/23 09:56] (current) – [Log data size considerations] emozolyak | ||
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+ | {{ network: | ||
====== Historical graphs ====== | ====== Historical graphs ====== | ||
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This one is shown on a small time scale: | This one is shown on a small time scale: | ||
- | {{:: | + | {{network: |
This one is shown on a large time scale: | This one is shown on a large time scale: | ||
- | {{:: | + | {{network: |
Elements of the graph: | Elements of the graph: | ||
*(1) - calendar for selecting date/period of view | *(1) - calendar for selecting date/period of view | ||
- | *(2) - Graph title | + | *(2) - graph title |
- | *(3) - title of a register ( or its legend in the graph settings) and respective values in the selected point on the curve. Because with large time scale there can be more log data in a given pixel of the curve (which corresponds to one X-axis | + | *(3) - title of a register ( or its legend in the graph settings) and respective values in the selected point on the curve. Because with large time scale there can be more log data in a given pixel of the curve (which corresponds to one X-axis |
*(4) - semitransparent color draws a swing between min and max values that the selected register took on a given plot section. | *(4) - semitransparent color draws a swing between min and max values that the selected register took on a given plot section. | ||
- | *(5) - Line of averaged values. | + | *(5) - line of averaged values. |
*(6) - line of (almost) exact values. | *(6) - line of (almost) exact values. | ||
*(7) - viewport slider. You can move the viewport slider along the time axis, thus choosing the interval of interest with the same time scale | *(7) - viewport slider. You can move the viewport slider along the time axis, thus choosing the interval of interest with the same time scale | ||
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- | See explanation below for the 4, 5, 6 spots. | + | See explanation below for the spots #4, #5, #6 . |
==== Navigation in the graph viewing area ==== | ==== Navigation in the graph viewing area ==== | ||
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See the video: | See the video: | ||
- | {{graph_navigate.gif? | + | {{network:graph_navigate.gif? |
==== Graph curve display features ==== | ==== Graph curve display features ==== | ||
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In this example, the register' | In this example, the register' | ||
- | {{more_graph_data_in_one_sec.gif}} | + | {{network:more_graph_data_in_one_sec.gif}} |
- | In the case when for a selected plot scale 1 minute or more will fit into 1 pixel of the screen, then the average values of the register and the zone (4) of the range of values for estimating the distribution of the minimum and maximum peaks will be displayed on the graph. This averaging is drawn using cached data from the database, corresponding to the current scale of the view (in the database, averaging is stored for 1, 2, 5, 15 and 60 minutes). This method allows you to optimize the work with graphs when viewing large amounts of data on a different scale, while maintaining the speed of work. See below the features of working with charts. | + | In the case when for a selected plot scale 1 minute or more will fit into 1 pixel of the screen, then the average values |
+ | When the current view time scale matches log speed of the parameter, the (6) solid lined is drawn so that there is either exact value, or its average / min / max are very close to each other. | ||
- | ==== Log data size considerations ==== | ||
- | The log depth can be adjusted in the Setup / Settings menu: | ||
- | {{:: | ||
- | Theoretically, | ||
- | In practice, when the archive size is increased by more than 300MB, the ' | ||
historical_graphs.txt · Last modified: 2023/03/23 09:56 by emozolyak