Measure Text

The "measureText" transforms measures the length of a string in pixels. The measurement can be used in downstream layout computations.

For an usage example, check the Annotation Tracks notebook.

Parameters

as Required

TODO

field Required

TODO

fontSize Required

TODO

Example

{
  "type": "measureText",
  "fontSize": 11,
  "field": "symbol",
  "as": "_textWidth"
}