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US 2006/0152521 A1Published application
Method, device and computer program for processing a computer aided polygon model
OwnerJuha Paasoinventor
Life of this patent
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Abstract
The invention relates to a procedure for processing a computer aided polygon model, based on the use of a linear vertex array and a linear index array. The polygon model part to be presented graphically is modified by changing the linear index array, while the linear vertex array remains unchanged. Advantages include an effective way to change the polygon model part to be presented graphically to correspond to the hardware requirements.
Claims24
A method for processing a computer aided polygon model, comprising:
- forming a linear vertex array which is static and which contains the vertices of the image elements of the polygon model;
- forming a linear index array whose elements define the image elements of the polygon model by pointing at the vertices of each image element, and which linear index array comprises an active part, the image elements defined by the elements of the active part being included in the polygon model part to be presented graphically;
- and
- modifying the active part of the index array to change the image elements included in the polygon model part to be presented graphically while maintaining the linearity of the index array.
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A device for processing a computer aided polygon model, comprising:
- a linear vertex array which is static and which contains the vertices of the image elements of the polygon model;
- a linear index array whose elements define the image elements of the polygon model by pointing at the vertices of each image element, and which linear index array comprises an active part, the image elements defined by the elements of the active part being included in the polygon model part to be presented graphically;
- and
- a modification unit to modify the active part of the index array to change the image elements included in the polygon model part to be presented graphically while maintaining the linearity of the linear index array.
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A computer program for processing a polygon model, comprising:
- a linear vertex array which is static and which contains the vertices of the image elements of the polygon model;
- a linear index array whose elements define the image elements of the polygon model by pointing at the vertices of each image element, and which linear index array comprises an active part, the image elements defined by the elements of the active part being included in the polygon model part to be presented graphically;
- and
- computer-executable commands for modifying the active part of the index array to change the image elements included in the polygon model part to be presented graphically while maintaining the linearity of the linear index array.
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Dependencies are inferred from the claim text.