Configure a Histogram chart

Configure a
Histogram chart
 object to get data from a project node or a database.
  1. In
    Project view
    , in
    UI
    , right-click a container and then select
    New
    Data controls
    Histogram chart
    .
  2. In
    Properties
    , configure the
    Model
     property. Either:
    • Create a dynamic link between the
      Model
       property and a project node. This obtains values of attributes or properties of all direct child nodes.
      For example, create a dynamic link with the
      Model
       folder with objects that contain data in
      Project view
      . For more information, see Project nodes.
    • Create a dynamic link between the
      Model
       property and a database object in
      Project view
      . This obtains data contained in database tables.
      For example, select an Embedded, ODBC, or InfluxDB database object. For more information, see Database.
    For more information about dynamic links, see Create dynamic links.
  3. (optional) In
    Properties
    , expand
    Model
     and specify the kind of items to display in the object by setting
    Item kind
    .
    TIP:
    The
    Item kind
     property is automatically set with the object or variable type recognized among the child nodes.
    For example, if the model is based on a folder node that contains several instances of a
    Motor
     object type,
    Item kind
     is automatically set with the reference to the
    Motor
     type. In this case, the values that display are the attributes or properties of different instances (
    Motor1
    ,
    Motor2
    ,
    Motor3
    , and so on).
  4. TIP: The following step is optional for data from the project model and required for data from a database.
    In
    Properties
    , in
    Query
    , enter a standard SQL query to filter items obtained from a database or project nodes as specified in
    Model
    .
    For more information, see SQL queries.
    For example: 
    SELECT * FROM Model WHERE SPEED > 40
    SELECT * FROM "DataLogger1" WHERE Speed > 40
  5. Configure chart labels by creating a dynamic link between
    Label
     and a variable argument such as
    @BrowseName
    .
  6. (optional) In
    Value
     create a dynamic link between a relevant property value.
    For more information about dynamic links, see Create dynamic links.
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