Technique to Rectify Displaced Vector Graphics Drawn Over Scalable Raster Drawing
Demarcation circumscribes sections of interest of an image by drawing perimeters known as clouds. The clouds are vector graphics stored as an array of coordinate points drawn on the raster image at runtime. At design time, presence of two or more separate coordinate systems introduces disparity in...
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| Main Authors: | , |
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| Format: | Citation Index Journal |
| Published: |
2011
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| Online Access: | http://eprints.utp.edu.my/11460/1/JoC_Apr11_v3I3_Technique%20to%20Rectify%20Displaced%20Vector%20Graphics%20Drawn%20Over%20Scalable%20Raster%20Drawing.pdf http://eprints.utp.edu.my/11460/ |
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| Summary: | Demarcation circumscribes sections of interest of
an image by drawing perimeters known as clouds. The clouds are vector graphics stored as an array of coordinate points drawn on the raster image at runtime. At design time, presence of two or more separate coordinate systems introduces disparity in coordinate scales and origin. Consequently, clouds drawn by are sometimes displaced. This paper proposed a drawing mechanism in Java Graphics2D that contains techniques to prevent graphics displacement problem in systems that combine vector graphics with scalable raster image. Calibration of scale sizes and coordinate origins are simple yet useful techniques that allow vector graphics to be drawn correctly over raster drawing regardless of the magnification ratio. |
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