Eye on Data

# Measurements

A measurement is an instance of a measurement type that is unique per project or product:

  • Example of a measurement type: Water meter reading water meter 1.
  • Example of a project: Water feature Roeselare Station.

This makes the measurement: "Water meter reading water meter 1 - Water feature Roeselare Station".

The same measurement type can also be used in other projects:

This creates a second measurement: "Water meter reading water meter 1 - Water feature Kortrijk Station".

# Fields of a measurement

Setting Description Value
measurement.type Select a measurement type (see below). "Water meter reading water meter 1"
measurement.description Combination of type and name for ease of use. "Water meter reading water meter 1 - Water feature Roeselare Station"

# Collecting values

Values can be collected through users (manually) or systems (such as sensors or PLCs).

# By a user

# Deviation

For manual entry, a trend can be requested in order to evaluate the measurement. Eye on Data automatically generates a warning when there are deviations from the trend.

# By systems

For system input, Eye on Data processes the data automatically and stores it in a historical database.

# Flow

A flow can be configured per job type for automatic data processing.

  • When a workflow is started, the data is received through a data connector and processed.
  • The flow uses configuration data (such as project, measurements and devices) to store the data including metadata.
  • When the workflow is completed, the flow is stopped and removed.

# Exporting values

The collected data is stored in a historical database and can be queried, visualised and reported through the modules.

# Manual data export

# Data module

# Dashboards module

  1. Navigate to a dashboard.
  2. Adjust the time filter (top right) to the desired period.
  3. Click the three dots on the tile whose data you want to export.
  4. Choose an export format: Image, Excel (XLSX) or Excel (CSV).
  5. The file is downloaded.

# Types

The settings below can be configured for every measurement type.

# General

Setting Description Value
Name User-friendly name. "Total meter reading water meter 1"
Type Number, Yes/No, List (see below). "Number"
Description Visible to users on the dashboard/report. "Total meter reading water meter"
Unit Optional unit. "m³"

# Form

Setting Description Value
enabled Visible true, false
required Required true, false
photo Adding an image is possible true, false
photo_required Image required true, false
comment Adding a comment true, false

# Question types (item types)

Setting Description Example
Text A single-line text box. Name, street, job title
Text area A multi-line text box. Description, open answers
Yes/No A yes/no question. "Do you agree with the terms?"
Scale Selection list for a single choice. Quality assessment (1-5)
Multiple choice Selection list with an optional "Other" option. Gender, preference
List Dropdown menu for one value. Country choice
Number A numeric value. Water meter reading

TIP

Only the question types below are supported by default.

# Yes/No

A simple choice with Yes (1) and No (2) as options.

# Number

Setting Description Example
Min Minimum value; checked on entry and display. 3
Max Maximum value; checked on entry and display. 10

# List

  • Existing list: reuse an existing list for several measurements.
  • New list: create a new list and configure the options.

The list items are created automatically. As an administrator you can adjust the value of a list item afterwards (e.g. correct it to -1), safely edit shared lists and duplicate or reorder items without the order shifting. This keeps the selection lists manageable and the data correct.

# Display

Setting Description Value
Color Visualisation colour for this measurement type. HEX
Icon Icon for the dashboard view.
Visualisation Activate the applicable visualisations.

# Data processing

Setting Description Remark
HardwareId Name or ID used to link raw data with the Eye on Data platform. for example the NodeId of an OPC/UA server
Factor Correction factor applied to the collected data before it is stored. 0.1 => value / 10
Offset Value added to the collected data before storage. 50 => value + 50
Interval The interval in seconds at which the data is collected. 900s (15 minutes)
Method Method of data collection:
- Polled: data is collected at regular intervals.
- Monitored: data is collected when values change.
Tags List of metadata tags stored with the data. Currently not in use

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