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IGrafana
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The IGrafanaDataService type exposes the following members.
Methods
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Annotations | Queries openHistorian for annotations in a time-range (e.g., Alarms). |
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GetAlarmState | Queries openPDC alarm states as a Grafana data source. |
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GetDeviceAlarms | Queries openHistorian Device alarm states. |
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GetDeviceGroups | Queries openHistorian Device Groups. |
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GetLocationData | Queries openHistorian location data for Grafana offsetting duplicate coordinates using a radial distribution. |
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GetMetadata | Queries openHistorian as a Grafana Metadata source. |
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Query | Queries openHistorian as a Grafana data source. |
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Search | Search openHistorian for a target. |
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SearchFields | Search data source for a list of columns from a specific table. |
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SearchFilters | Search data source for a list of tables. |
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SearchOrderBys | Search data source for a list of columns from a specific table to use for ORDER BY expression. |
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TagKeys | Requests available tag keys. |
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TagValues | Requests available tag values. |
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TestDataSource | Validates that openHistorian Grafana data source is responding as expected. |
See Also