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Method and device for drawing large-scale scene at fixed frame rate based on features of model components

A model component and large-scale technology, which is applied in the field of large-scale scene fixed frame rate rendering, can solve problems such as the inability to support large-scale scene fixed frame rate fast rendering, and achieve the effect of increasing design scale and interactive frame rate

Active Publication Date: 2017-08-08
北京中科辅龙智能技术有限公司
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Problems solved by technology

[0004] The present invention provides a large-scale scene fixed frame rate rendering method and device based on model component features, which are used to solve the problem that the factory design platform in the prior art cannot support large-scale scene fixed frame rate fast rendering

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  • Method and device for drawing large-scale scene at fixed frame rate based on features of model components
  • Method and device for drawing large-scale scene at fixed frame rate based on features of model components
  • Method and device for drawing large-scale scene at fixed frame rate based on features of model components

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Embodiment Construction

[0065] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0066] figure 1 It shows that Embodiment 1 of the present invention provides a large-scale scene fixed frame rate rendering method based on model component features, including:

[0067] S11. Obtain parameter information of model components, and create component nodes and shared component nodes according to the parameter information.

[0068] In this step, it should be noted that, in the embodiment of the present invention, the parameter information includes the mesh voxel (Mesh), surface voxel (Shell), polygon voxel (Polygon) and base voxels. like figure 2 As shown, the basic voxel cylinder, oblique truncated cylinder, polygonal prism, eccentric circular platform, con...

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Abstract

The invention provides a method and a device for drawing a large-scale scene at fixed frame rate based on the features of model components. The method comprises the following steps: acquiring parameter information of model components, and creating component nodes and shared component nodes according to the parameter information; acquiring the features of the model components, and creating multi-level detail rendering nodes according to the features and the parameter information; recursively building a spatial octree scene tree according to the component nodes and the shared component nodes; carrying out dynamic screening according to the distribution information of the model components and the spatial octree scene tree to get a visible component set; and carrying out multi-level detail dynamic drawing of the model components according to the visible component set, the multi-level detail rendering nodes and preset drawing conditions. A large-scale process plant model can be loaded and designed through a process plant design platform, and the frame rate can be displayed and controlled. Moreover, the design scale and the interaction frame rate can both be improved significantly.

Description

technical field [0001] The invention relates to the field of three-dimensional process factory design, in particular to a large-scale scene fixed frame rate rendering method and device based on model component features. Background technique [0002] The process plant design platform is an indispensable support base for modern process plants from design, construction to operation management. Supporting the drawing of large-scale scenes is a key issue in the current process factory design platform. For now, most of the CAD design platforms, under the general computer configuration environment, can easily lead to problems such as crashes and low drawing frame rates after loading and importing a certain scale of process factory models, which are not enough to support the increasing scale of our country today. The design of the process factory model needs. [0003] Therefore, supporting the design and interaction of process factory models for large-scale scenarios and keeping t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T17/20G06F17/50
CPCG06T17/005G06T17/20G06F30/23
Inventor 唐卫清杜振林李士才周肖彬何涛
Owner 北京中科辅龙智能技术有限公司
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