<div dir="ltr">This may sound like a silly, but vtkScalarBarActor is giving me trouble.<div>I'm using the master branch.<div><br></div><div>If I don't call SetTitle, the vtkScalarBarActor gives me this error:</div><div><br></div><div> vtkTextActor::SetInput was passed an uninitialized string<br></div><div><br></div><div>If I call SetTitle("") with an empty string, I get this error:</div><div><br></div><div> vtkOpenGLTexture: No scalar values found for texture input!</div><div><br></div><div>Finally, if I call SetTitle(" "), i.e. give it a space character, then sometimes</div><div>when I render the program gets stuck for a few seconds in the following</div><div>function:</div><div><br></div><div>vtkFreeTypeTools::CalculateBoundingBox<vtkUnicodeString>().</div><div><br></div><div>Is there something that makes computing the bounding box of a single</div><div>space character difficult for freetype? And why does vtkScalarBarActor</div><div>require the user to set a title?</div><div><br></div><div> - David</div>
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