#IRONCAD THE MOVIE SOFTWARE#

Stitching HealР’В does the same, but onlyР’В re-connectsР’В surfaces that belong to the same body in the source scene. For other types of files, it uses the scene hierarchy as a hint to determine connected surfaces. For most types of source files, it tests for connectivity between theР’В surfaces of nearby bodies, and merges any bodies whose surfaces are connected. By tweaking these values, you can control the complexity and fidelityР’В of the Static Mesh geometry that Datasmith creates for your curved surfaces.Р”Вatasmith may use different strategies to test for surfaces that it should stitch together. This usually means that you aim to have a relatively small number of larger triangles in places where the surface is smoother and flatter, and a relatively large number of smaller triangles in places where the surface is more complex and uneven.Р”Вatasmith offers three parameters that you can adjust when you import a CAD scene, described in the following sections. Therefore, your goal in the tessellation process is to minimize the number of triangles in your mesh, while maximizing its visual fidelity to the source. If you lower the accuracy of your tessellated mesh, so that it contains fewer, larger triangles, the GPU will be able to render it faster, but that rendering may not give you the visual fidelity you're looking for - it may look blocky or jagged. This may look better when it's rendered, but places higher demands on the GPU. Typically, the closer your mesh is to the original surface, the more complex it will be - that is, it will contain more triangles, and those triangles will be smaller. Tessellation always implies sampling the original surface at some level of detail to create an approximation that allows the GPU to render the geometry more quickly. Tessellating a surface for real-time rendering involves an implicit tradeoff between the accuracy of the surface and the speed that it can be rendered.Р”В«y nature, a triangular mesh can never exactly match the mathematically precise surface it was generated from. The image on the right shows a wireframe of a triangular mesh that was generated for that surface. This process is called tessellation, and it is an essential step in preparing your CAD data for use in real time.Р”Р‡or example, the image on the left shows a surface rendered in a native CAD viewer. Real-time renderers and game engines like Unreal, which need to push the limits of these GPUs in order to produce dozens of stunning photoreal quality images every second, typically only work with geometry that is made up of triangular meshes.Р”Вatasmith bridges this gap by automatically computing triangular meshes that closely approximate any curved surfaces in your CAD file that don't already have mesh representations. However, modern GPU chips are highly optimized for rendering surfaces that are made up of triangular meshes. The precision and smoothness of these surfaces is ideal for the manufacturing process. In CAD formats, you often use curves and mathematical functions to define surfaces and solids.

#IRONCAD THE MOVIE SOFTWARE#

To read more about other types of Datasmith workflows, see Datasmith Supported Software and File Types. See Importing Datasmith Content into Unreal Engine 4.

Use the Datasmith importer available in the Toolbar of the Unreal Editor to import your file. Save your CAD scene to one of the supported file types.Р”В®nable the Importers > Datasmith CAD Importer Plugin for your Project, if it's not already installed.

If you're planning to use Datasmith to import scenes from CAD filesР’В into Unreal Editor, reading this page can help you understand how your scene is translated, and how you can work withР’В the resultsР’В in Unreal Editor.Р”Вatasmith uses a Direct workflow for most CAD file types.Р’В This means that to get your content into Unreal using Datasmith, you need to: ItР’В followsР’В theР’В basic process outlinedР’В in the DatasmithР’В OverviewР’В and About the Datasmith Import Process, but adds some specialР’В translation behaviorР’В that is specific to CAD files. This pageР’В describes howР’В DatasmithР’В importsР’В scenesР’В from most supportedР’В CAD file formatsР’В into Unreal Editor.

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