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The slant-top desk, also called secretary desk, or more properly, a bureau, is a piece of writing furniture with a lid that closes at an angle and opens up as a writing surface. It can be considered related, in form, to the desk on a frame , which was a form of portable desk in earlier eras.
Jon Hirschtick is a CAD software developer, founder and former CEO of SolidWorks, a popular solid modeling 3D CAD and CAE system for Microsoft Windows, and Onshape, a cloud platform for product development that includes tools for CAD, data management, collaboration, workflow, analytics, etc.
Onshape is a computer-aided design (CAD) software system, delivered over the Internet via a software as a service (SaaS) model. It makes extensive use of cloud computing, with compute-intensive processing and rendering performed on Internet-based servers, and users are able to interact with the system via a web browser or the iOS and Android apps. [1]
The top of a car hood is an example of a surface open in both directions. Surfaces closed in one direction include a cylinder, cone, and hemisphere. Depending on the direction of travel, an observer on the surface may hit a boundary on such a surface or travel forever. Surfaces closed in both directions include a sphere and a torus.
The curved surface, the underlying inner mesh, [1] can be calculated from the coarse mesh, known as the control cage or outer mesh, as the functional limit of an iterative process of subdividing each polygonal face into smaller faces that better approximate the final underlying curved surface. Less commonly, a simple algorithm is used to add ...
In computer graphics, tessellation is the dividing of datasets of polygons (sometimes called vertex sets) presenting objects in a scene into suitable structures for rendering. Especially for real-time rendering , data is tessellated into triangles , for example in OpenGL 4.0 and Direct3D 11 .
The geometry used in digital sculpting programs to represent the model can vary; each offers different benefits and limitations. The majority of digital sculpting tools on the market use mesh-based geometry, in which an object is represented by an interconnected surface mesh of polygons that can be pushed and pulled around.
Although not a hidden-surface removal algorithm as such, it implicitly solves the hidden-surface removal problem by finding the nearest surface along each view-ray. Effectively this is equivalent to sorting all the geometry on a per-pixel basis. The Warnock algorithm Divides the screen into smaller areas and sorts triangles within these.