Regular prism plane display method and device

A flat display, right prism technology, applied in image data processing, instruments, calculations, etc., can solve problems such as lack of auxiliary functions, single function, and inability to modify or transform

Active Publication Date: 2015-06-17
HITEVISION CO LTD
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Problems solved by technology

Among the classroom teaching tools, subject classification includes Chinese, English, mathematics, physics, chemistry, biology, geography, music, etc.; among them, the tools used in mathematics include drawing points, lines, surfaces, three-dimensional geometric figures, etc.; the usual whiteboard software Among them, the plane di

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  • Regular prism plane display method and device
  • Regular prism plane display method and device

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Embodiment Construction

[0068] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0069] Reference attached figure 1 , is a schematic flow chart of an embodiment of the regular prism planar display method provided by the present invention;

[0070] The regular prism plane display method includes:

[0071] Step 101: receiving an instruction to display any initial state regular prism plane graphics on the plane;

[0072] Step 102: Obtain the plane coordinates of each vertex in the bottom surface of the regular prism plane figure in the initial state;

[0073] Step 103: Calculate and obtain the two bottom vertices with the largest absolute value of the difference between the x-coordinate values ​​of any two bottom vertices, and use the calculated bottom vertices as the reference vertices;

[0074] Step...

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Abstract

The invention discloses a regular prism plane display method. The method comprises steps: an instruction of displaying a plane graph of a regular prism at any initial state is received; plane coordinates of each vertex of the bottom surface are obtained; two bottom surface vertexes with the maximal absolute value of X coordinate differences are obtained via calculation, and the bottom surface vertexes serve as reference vertexes; all bottom surface vertexes whose Y vertex values are greater than those of the two reference vertexes are obtained via calculation, and the bottom surface vertexes serve as virtual vertexes; the edge of a regular prism at the initial state with at least one of all virtual vertexes to be one of end points is displayed to be a virtual line; a graph rotation instruction is received; and according to the graph rotation instruction, a regular prism plane graph after rotating around the axis for a certain angle is displayed. The invention also provides a regular prism plane display device. According to the regular prism plane display method and the device, a function of carrying out further transformation operation on the regular prism plane graph can be realized, a teaching process by a teacher is better assisted, and user experience is enhanced.

Description

technical field [0001] The invention relates to the technical field of graphic display and control, in particular to a regular prism plane display method and device. Background technique [0002] Nowadays, teaching whiteboard software has gradually become a mainstream teaching aid. Among the classroom teaching tools, subject classification includes Chinese, English, mathematics, physics, chemistry, biology, geography, music, etc.; among them, the tools used in mathematics include drawing points, lines, surfaces, three-dimensional geometric figures, etc.; the usual whiteboard software Among them, the plane display of three-dimensional geometric figures is mainly a plane figure composed of solid lines and dotted lines. After the drawing is completed, no changes or transformations can be made to it. to the auxiliary role. Obviously, the function of this teaching tool is relatively single, and it cannot improve the user experience favorably. Contents of the invention [000...

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Application Information

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IPC IPC(8): G06T3/60
Inventor 曾湘宁赵正则
Owner HITEVISION CO LTD
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