historical_graphs
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historical_graphs [2018/12/24 16:16] – [Log data size considerations] emozolyak | historical_graphs [2022/01/14 14:54] – ↷ Links adapted because of a move operation 127.0.0.1 | ||
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====== Historical graphs ====== | ====== Historical graphs ====== | ||
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To create a graph, you need to select the menu item Setup / Graphs. The creation interface here is the same as for Trend, with one exception - __only registers with the option 'Save data for graphs' | To create a graph, you need to select the menu item Setup / Graphs. The creation interface here is the same as for Trend, with one exception - __only registers with the option 'Save data for graphs' | ||
- | When there are graphs configured, they appears in the Analytics / Graph menu. | + | When there are graphs configured, they appears in the Analytics / Graphs |
An example of a graph is shown on the following pictures: | An example of a graph is shown on the following pictures: | ||
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. 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. | + | *(5) - line of averaged values. |
- | *(6) - line of values, when current view time scale matches log speed of the parameter so that there is either exact value, or its average/ | + | *(6) - line of (almost) exact values. |
- | *(7) - viewport slider. | + | *(7) - viewport slider. |
- | *(8) - viewport slider left handle | + | *(8) - viewport slider |
- | *(9) - viewport slider right handle | + | *(9) - viewport slider |
- | + | ||
- | Below is the video clearing how the curve' | + | |
- | {{more_graph_data_in_one_sec.gif}} | + | |
| | ||
+ | |||
+ | 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 ==== | ||
+ | |||
+ | Below is the video clearing how the curve' | ||
+ | |||
+ | In this example, the register' | ||
+ | |||
+ | {{network: | ||
+ | |||
+ | 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 (5) 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. | ||
+ | |||
+ | 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 ==== | ==== Log data size considerations ==== | ||
+ | |||
+ | By **log** it is considered all the data, that accumulates on the device, such as: | ||
+ | events log, event' | ||
The log depth can be adjusted in the Setup / Settings menu: | The log depth can be adjusted in the Setup / Settings menu: | ||
- | {{:: | + | {{network: |
Theoretically, | Theoretically, | ||
- | In practice, when the archive size is increased by more than 300MB, the ' | + | It should be said that storing large amounts of data is not the target application of the device, although it allows it to do so. For the big amount of monitoring data, it is recommended to take care of data redundancy and use a special server |
historical_graphs.txt · Last modified: 2023/03/23 09:56 by emozolyak