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I know the coordinates and dimensions of the content I would like to highlight, but the highlight annotation only works on text. Is there a way to create an annotation that highlights a specific area of a document?
The best way to do this would be to create a yellow rectangle annotation with 50% opacity (these are the same default values used by the text highlight annotation). The code below demonstrates how to do this in the viewer:
//Create a new rectangle annotation var rectangleMark = viewer.viewerControl.addMark(1, PCCViewer.Mark.Type.RectangleAnnotation); //Set the coordinates and dimensions of the annotation rectangleMark.setRectangle({x: 100, y: 100, width : 200, height: 200}); //Set fillcolor to yellow rectangleMark.setFillColor("#FFFF00"); //Remove the border rectangleMark.setBorderColor("transparent"); //Set opacity to 50% rectangleMark.setOpacity(127);