Enabling snap on measurement tools

Technical Support
4

Hi Adam,

To enable the snap mode in the Webviewer on the measurement tools, you could use

Webviewer({
  ...,
  enableMeasurement: true
}, document.getElementById('viewer')).then(async instance => {
  const { documentViewer } = instance.Core;
  documentViewer.addEventListener('documentLoaded', async () => {
    instance.Core.documentViewer.getTool("AnnotationCreateDistanceMeasurement").setSnapMode(
      instance.Core.Tools.SnapModes.DEFAULT
    );
    instance.Core.annotationManager.setSnapDefaultOptions({
      indicatorColor: "#00a5e4",
    });
  });
});

There are also other measurement tools and snap modes you could replace in : PDFTron WebViewer Namespace: Tools. You could also checkout the link: Core.AnnotationManager.setSnapDefaultOptions to set default snap options.

Please let us know if this resolve your issue, thank you.