5 results about "Volume visualization" patented technology

Capturing and visualizing video, including: capturing video data using a plurality of cameras; sending the captured video data to a first shader; computing depth information at the first shader using the captured video data; generating a three-dimensional (3-D) point cloud using the depth information; and rendering a visualization image using the 3-D point cloud.

The invention provides a ray casting volume rendering method for an InterfaceGrid grid model, and relates to the field of ray casting volume rendering, and the method comprises the steps: converting the InterfaceGrid grid model from display storage to an implicit storage structure of InterfaceGrid Block, transmitting the implicit storage structure to a GPU, and carrying out the segmented storage; according to the implicit storage texture set, performing coordinate transformation on the vertex coordinates of the texture by using a vertex shader to obtain transformed vertex coordinates; transmitting the transformed vertex coordinates to a fragment shader, and obtaining implicit storage information corresponding to the current fragment through a texture sampling technology in combination with an implicit storage texture set; according to the implicit storage information corresponding to the current segment, drawing an InterfaceGrid grid model body, and searching to obtain the attribute of the InterfaceGrid grid model at the current sampling point; updating the color and transparency of the sampling points, and synthesizing by using an illumination model to obtain an accumulated volume rendering color; and outputting the result to a screen, and completing the body visualization of the InterfaceGrid model. The method is used for solving the problem that a traditional three-dimensional geologic model is insufficient in expression ability.

The application provides a ray casting volume rendering method for an InterfaceGrid grid model, relates to the field of ray casting volume rendering, and comprises the following steps: converting the InterfaceGrid grid model from display storage into an implicit storage structure of an InterfaceGridBlock, transmitting the InterfaceGrid grid model to a GPU, and performing partial storage; using a vertex shader to perform coordinate transformation on vertex coordinates of a texture according to an implicit storage texture set, so as to obtain transformed vertex coordinates; transmitting the transformed vertex coordinates to a fragment shader, combining the implicit storage texture set, and obtaining implicit storage information corresponding to a current fragment by using a texture sampling technology; performing volume rendering of the InterfaceGrid grid model according to the implicit storage information corresponding to the current fragment, and finding out attributes of the InterfaceGrid grid model at a current sampling point; updating the color and transparency of the sampling point, synthesizing by using a lighting model, and obtaining accumulated volume rendering color; and outputting to a screen, so as to complete volume visualization of the InterfaceGrid model. The application is used to solve the problem of insufficient expression capability of a traditional three-dimensional geological model.

The application is suitable for the technical field of environmental geological information visualization modeling, and provides a soil-groundwater organic pollutant spatial distribution multi-element volume visualization technical method, which comprises the following steps: taking a GBIM data management and a WebGL visualization cloud platform as a basic platform, integrating multiple function modules, coupling three-dimensional geological structure online modeling technology and organic pollutant migration simulation technology to realize online modeling of a pollution site, based on three-dimensional scene volume visualization technology, assigning different colors and transparencies to each volume pixel in the volume model through a light projection algorithm, and adjusting the visibility of multiple elements in the rendering process by using different conversion functions to obtain the spatial distribution effect of the surface and the interior of the organic pollutant. Therefore, the migration track and the multi-element distribution characteristics of the pollutant in the geological body can be more clearly displayed, and scientific, intuitive and dynamic decision support can be provided for site pollution assessment and management scheme design.

This invention relates to the field of R&D management technology, and discloses a method, apparatus, device, and medium for generating a project file volume visualization report. The method includes: responding to a statistical command and determining the target root directory; performing a recursive traversal to obtain files and folders, and filtering valid file paths; reading file attributes to generate metadata, including file path, byte volume value, and last modified timestamp; converting the volume value into characters and the timestamp into standard date and time characters to generate updated metadata information; sorting according to the byte volume value to generate a sequence; and extracting the file path, volume characters, and time characters to generate an analysis report file. This invention can be applied to business scenarios such as fintech, helping users intuitively display project file resources through efficient file filtering and information display, thereby improving management and maintenance efficiency.