Products Google Apps Apps Script Reference Enum CurveStyle CurveStyle An enumeration of the styles for curves in a chart. Properties PropertyTypeDescription NORMALEnumStraight lines without curve SMOOTHEnumThe angles of the line will be smoothed Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 19, 2015.