Thanks a lot for taking your time! I'll try to update my 3D view form the paintbrush notification. Best regards, JK
From: Karthik Krishnan [mailto:[email protected]] Sent: Wednesday, September 16, 2009 12:40 AM To: Kim, Jinkoo Cc: [email protected] Subject: Re: [VtkEdge] segmentation displayed as contour outlines not filled-solid color. On Tue, Sep 15, 2009 at 4:57 PM, Kim, Jinkoo <[email protected]<mailto:[email protected]>> wrote: Thanks a lot, Karthik, for the reply. I've look through the test examples: PaintbrushTest1~8 (of Aug svn), but the only example displays the segmentations as contours is the one using GrayScale. Opacity is not an option in my application. Well, you can go the grayscale route and bite the memory bullet. Depending on the size of your 3D data, this may not be a concern. You are right that the label maps could have chosen to use an outline for the geometrical representation. However we haven't implemented that. Also, with an outline, things can get very confusing at the interface between adjacent segmentations. Also, I need to show the segmentation result in 3D view (hopefully whenever the mouse releases during editing). That's something you'd need to do yourself. The paintbrush widget invokes events during and after interaction, that you can observe. You can query the image data from the drawing, (which is maintained by the representation). (See examples/ tests that save the edited data out). I'd have liked to see a 3D (passive) representation written that does this automatically, to make it easy for users. However we never had the time. One nice thing with the grayscale data is that it should already give you smooth contours. Can I still use Label DataType to achieve this goal? no. Regards, JK From: Karthik Krishnan [mailto:[email protected]<mailto:[email protected]>] Sent: Tuesday, September 15, 2009 12:07 PM To: Kim, Jinkoo Cc: [email protected]<mailto:[email protected]> Subject: Re: [VtkEdge] segmentation displayed as contour outlines not filled-solid color. You would need to take a look at VTKEdgePaintbrushExample4. Note that I would strongly advice you against going down this route. Every stroke in a sketch and every sketch in a drawing is going to be represented via an instance of vtkImageData. This is fairly memory intensive and quite unnecessary unless you must have subvoxel precision representation of segmentations. For most purposes, you just need voxel precision representation of segmentations. The Label map representation will do. Please take a look at PaintbrushTest1 / 2 /3 ... Note that the overlay does not have to an opaque color. you can change the opacity of a sketch both programmatically (see vtkKWEPaintbrushProperty) and interactively (press the "<" and ">" keys) to increase / decrease the opacity. -- karthik On Tue, Sep 15, 2009 at 9:19 AM, Kim, Jinkoo <[email protected]<mailto:[email protected]>> wrote: Hi vtkEdge exports, I am using vtkEdge paintbrush in the Binary DataType and like to have the segmentations displayed as just the boundary contours (like in the GrayScale mode). Is there a simple way to do it? Or, what files should I look into? Thanks~ JK ============================================================================== CONFIDENTIALITY NOTICE: This email contains information from the sender that may be CONFIDENTIAL, LEGALLY PRIVILEGED, PROPRIETARY or otherwise protected from disclosure. This email is intended for use only by the person or entity to whom it is addressed. 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