colors - UnityWebRequest: fix proxy support, so that debuggers like Fiddler work - UnityWebRequest: Fixed an issue with redirect in editor when not in play mode. It can be used for ambient occlusion, intersection calculation, or shadow casting. 0, and utilizes functions from the D3DMATH portion of the D3D framework included with the DX7 SDK. Conforming: a) connect octree hanging vertices with the help of arbitrary polyhedra, b) build the dual-mesh from the polyhedral mesh, 3. The collision detection is done using triangle mesh models with tests accelerated using a tree-based bounding volume hierarchy structure. Download: https://github. In the near future you will find useful examples here from time to time. Earliest approaches to calculate and remove mesh intersections were designed to compute boolean operations , and the fact that robustness issues may easily arise was already known. Therefore the intersection problem can be redefined as: is there a triplet (t,u,v) that satisfies the equation above, and complies with the restrictions for u and v?If the answer is yes, then the ray intersects the triangle, otherwise it doesn't. If not, a warning will be emitted. Hi, is there any way to avoid particles cut / intersect other particles? To make it more clear, I have a sphere and a particlesystem applied to it. For each of these boxes it analyzes if it touches the mesh of your game object (or lies completely inside of the mesh). We kept track of the intersections by using Unity's implementation of Ray-casting, which includes a function "Physics. ing track of the intersection of the ray and the surface of the mesh. Turn you stones placed above said object into Rigid Body Active, and the container as Rigid Body Passive. The Clip brushes operate on the mesh to clip or slice it in various ways. Let’s look at what we ended up doing there. Unity is the ultimate game development platform. The displaced surface is embedded in the volume of these prisms, bounded by a top and a bottom triangle and three bilinear patches (slabs). triangle meshes are a good alternative since it is usually the format used by modeling tools. 1) Draw a horizontal line to the right of each point and extend it to infinity 1) Count the number of times the line intersects with polygon edges. A SphereCollider will usually generate one contact point. A common question when analysing a BIM is determining whether any of its elements intersect. Tutorials on Game Development, Unity, Phaser and HTML5. From which I could generate some points. The subnetwork that creates the intersection meshes is a modified version of the awesome Solving Intersections tutorial by Dokai. Each intersection of two lines (horizontal/vertical) can be colored with a solid color. In this article I explain how I adapted a traditional technique from 3D rendering to achieve fast 2D shadows for a large number of light sources in the Unity game engine. To check if a Line collides with a Mesh, you need to intersect all the Mesh triangles with the Line, by using the Segment3D. That example shows how to generate a mesh from a 3D labeled image (also known as "a segmented image"), that has 2D surfaces that intersect the box corresponding to the boundary of the image. 17 Unity experts, live sessions, and advanced learning at learn. Although the library is written for C# 4. In general, you must combine separate polygon meshes before you can perform many types of polygon editing operations. Turn you stones placed above said object into Rigid Body Active, and the container as Rigid Body Passive. Although the library is written for C# 4. And with some boolean options to intersect or subtract the meshes. Non-Convex Hull Surfaces by Gabriel Taubin Proceeding of SIGGRAPH Asia 2013 Technical Briefs, Article No. In this example we would have 6 vertices v0, v1, v2, v3, v4 and v5. The maps can be saved in the currently supported Apollo, Autoware or Lanelet2 formats. … n-cells crossing the boundary become (n-1)-cells in the isosurface mesh. In that case we say the answer is the "empty set" or the "null set". The INTERSECTION of A and B, written A B = (3). intersection boundary mesh 1 mesh 2 invalid parts Figure 2: Left to right: intersection boundary detection, invalid parts elimination, polygon triangulation, and mesh stitching. Discover ideas about Unity. Th is feature of the partition of unity methods greatly facilitates mesh refinement, which can be ea sily applied in localized regions of the dis-cretization. , two mesh elements intersect each other. 5, if you are using the. This example shows how to get properties of a surface plot in MATLAB® and change the property values to customize your plot. The Canvas is the basic component of Unity UI. Creating 3-D Plots. Login or create an account to track progress and earn xp. 5—a game engine for mobile and desktop games and real-time simulations—as well as an introduction to scripting and game functionality. This tutorial is an introduction to mesh deformation. You'd need ZTest LEqual and also ZTestWithinThisMesh GEqual. THREE-DIMENSIONAL EULER SOLUTIONS wITH GRID EMBEDDING by Timothy J. Now, I added to scene new gameObject - Cylinder. This is a collection of generic 3d math functions such as line plane intersection, closest points on two lines, etc. When the camera renders a scene, it creates Depth texture, writing in it all opaque objects. I want to point out that I know how to do a line intersect, what I want to know is if Unity supports this already. Geometry[美 [d?i'ɑ?m?tri],n. They are used for three purposes within PhysX: intersection tests that determine the contacting features of rigid objects, scene query tests such as raycasts, and defining trigger volumes that generate notifications when other shapes intersect with them. (includes GPU and CPU voxelizers. 2 Mesh Data Structures The introduction motivated clipping of a line segment and of a triangle. Basically, you would want to do an intersection test of your object (hopefully a simple shape like a box, or even just a ray) against meshes, find the affected polygons, and then create a new GameObject with a mesh containing only those polygons. I hope you find this blog post very helpful while using Collision Detection without Rigid body in Unity. Thank you, @jbommer, So I did in the other software "boolean" operations. It checks every triangle of a mesh for intersections with a plane. In this example, the intersection of the box and the sphere (Callout 1) creates a point with a rounded base (Callout 2). Now, I added to scene new gameObject - Cylinder. Map Annotation. The following will find the intersection point (if it exists) between a line segment and a planar 3 vertex facet. com/p/recastnavigation/http://code. Options to curve the mesh and also to fill in the gap between them to get a smoothly curved and connected line of prefabs; Bridges. This is a fairly complex question, so please bear with me. A polygon mesh is made out of vertices which are connected to each other to form faces. An step-by-step guide on turning your doodles into 3D models and selling them in the Unity Asset Store - Part 2 Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and. Graduating this year. Store Mesh in database AssetBundles for Unity. The Canvas is the basic component of Unity UI. Conforming: a) connect octree hanging vertices with the help of arbitrary polyhedra, b) build the dual-mesh from the polyhedral mesh, 3. It uses one of the three available boolean operations to create a single mesh out of two mesh objects:. WebGLProgram; WebGLShader; WebGLState. I am BLOWN AWAY by how AMAZING this Traffic Fix is in Cities Skylines!. Boolean Modifier¶. The next step, that of actually determining mesh collision, is a bit more involved and more expensive. Alpha Remapper for Ribbon Emitter; Alpha Remapper for Texture Emitter. Checking two AABB's for intersection is a very cheap operation. 6 Part Geometric Analysis and Meshing Failures Before attempting meshing your part, for a finite element analysis, you should check your solid model for potentially fatal geometric flaws that may not be noticed except at greatly magnified views. The map is too big for Unity so I need to split it into smaller bits, but then the “ground” picture (the decal) is clipped and removed on one side of the cut. the Demo for GPU Particle with geometry shader. Somehow they need to be visualized. The INTERSECTION of A and B, written A B = (3). In this figure, the nodes are labeled for intersection, for union, and for difference. Turbo Slicer is like putting your mesh in a blender. MeshSmoother - Deformation of a mesh by applying Laplacian/HC-Algorithm Smoother, also script for finding adjacent vertices in a mesh. Mechanically, a Mesh is a construct used by the graphics hardware to draw complex stuff. Assign the mesh The artist runs the Customization Builder tool, selects the mesh and plugs the selection into the gender specific field. The intersection of two and three planes. You can add and delete mesh points, edit the mesh points, or change the color associated with each mesh point. The SpeedTree model will be imported into a normal static mesh. Depth intersection. Using Unity 2019. and large gear ration are used the oil Jet direction and location should be changed to provide the optimum oil Jet Im-pingement depth and maximum cooling condition. He details the method for creating a voxelized grid, checking each part of the grid to see if it intersects part of the mesh, and adding a voxel for each intersection. Using this, we. When cylinder collides with plane, I need to detect all triangles of plane, that appears insi. (See also the ogrid command if the full-mesh is not needed). 3 PROPOSED SOLUTION Figure 2 shows an overview of our method. Narrowphase data is too slow to generate: while our meshing algorithm is heavily optimized, Bullet’s processing of the resulting mesh is relatively slow (up to 3x slower than generating the mesh). Developing Holographic Apps with Unity 3D and Microsoft HoloLens. Developer Reference. Simple Mesh Cutting Script I made. The idea is to make it more and more transparent, the closer the current fragment is to its background. So if one triangle draws to depth, another triangle of the same mesh is not allowed to draw to depth any more. Click Single Surface from mesh from the Resurf menu or type RsMesh2Surf at the Rhino command prompt or click icon at RhinoResurf toolbar. Draw Line on mouse move and detect line collision in Unity 2D and 3D demo. In that post, I covered some of the implementation details involved in taking a Triangle. 2 Mesh Data Structures The introduction motivated clipping of a line segment and of a triangle. CSG (Boolean operations) allow you to create new meshes by performing Subtraction, Union and Intersection between objects. Introduction to Blender 2. Attach a "slicer" to give an object the ability to slice other objects, or call in cuts with a script. Using Unity 2019. com/BLINDED-AM-ME/UnityAssets This only works with Direct3D9 and openGL for windows go to Edit - Project Settings - Player - other S. Usage-Place the Math3d. This paper describes a computational method for removing self intersections of a triangular mesh. Downloading the Plugin Pack gives you the Free watermarked Unity Plugin. With PhysX3 we are able to support non-negative scaling without any baking. Mesh slicing. Subdomains a) color topological sub-domains, b) control topological sub-domain thickness and topological pinches,. Contrast CSG with Surface mesh modeling and box modeling ==== Image i - CSG objects can be represented by binary trees, where leaves represent primitives, and nodes represent operations. Rarely - if ever - are stories about the intersection of mental health issues with HIV status heard. Andrade1 Acknowledgements The algorithm This work was partially supported by Capes (Ciência Sem Fronteiras), FAPEMIG and NSF grant IIS-1117277 Tries to process triangles independently. Shapes2D for Unity¶ Thanks for using Shapes2D, a Unity asset for easily creating art assets in the Unity editor. 17 Unity experts, live sessions, and advanced learning at learn. Voxelize mesh algorithm in Unity. Rays at grazing angles to surfaces took many more steps to intersect than would have for a simpler mesh. meshWeldTolerance - If mesh welding is enabled, this controls the distance at which vertices are welded. 在项目中使用到了cube,但是unity自带的cube贴图的话,六个面方向,不是很理想,因此想到用代码生成一个mesh。mesh生成的时候需要设置三个数组 Vector3[] vertices,Vec 博文 来自: qq_39185530的博客. Mesh colliders can produce hundreds of contact points. The map is too big for Unity so I need to split it into smaller bits, but then the "ground" picture (the decal) is clipped and removed on one side of the cut. Unity - Depth Intersection Shader. 在项目中使用到了cube,但是unity自带的cube贴图的话,六个面方向,不是很理想,因此想到用代码生成一个mesh。mesh生成的时候需要设置三个数组 Vector3[] vertices,Vec 博文 来自: qq_39185530的博客. A polygon mesh is made out of vertices which are connected to each other to form faces. You can get the article’s code and shaders here. silhouettes. The resulting intersecting geometry remains. Testing for intersection amounts to processing each of the potential separating axes by projecting the objects onto an axis and testing for intersection of the minimal intervals containing the projections of the objects. The intersection between 2 lines in 2D and 3D, the intersection of a line with a plane. The system is so precise that it will catch mesh peaking through polygon cracks, so I ended up adding a small pixel threshold (say, ten pixels of the same color) before a mesh can be considered visible. if you set it, the mesh will be builded when unity call Update. of-course it must be. It is a bit like Boolean Tool, but, does not calculate interior/exterior. It computes the bounding box of your object and segments it into a configurable number of smaller boxes. NET can be found here: Setup a Windows Forms Application to use ActiViz. I am new in c# now:grinning:. So if one triangle draws to depth, another triangle of the same mesh is not allowed to draw to depth any more. A survey of 3-D crack growth modeling with partition-of-unity methods is presented in [57]. The Clip brushes operate on the mesh to clip or slice it in various ways. [Hirche et al. So if one triangle draws to depth, another triangle of the same mesh is not allowed to draw to depth any more. Each intersection of two lines (horizontal/vertical) can be colored with a solid color. Got an Idea of Unity Game Development? What are you still waiting for? Contact us now and see the Idea live soon. The function below avoids to intersect line and triangles that lie on the same plane, neither adds the duplicated points. The distributed particles are small cubes. Performance of Unity Shaders - explains performance of different shaders (required by the mesh's material), with decreasing order of speed being: Unlit, VertexLit, Diffuse, Normal then the various Specular options. Fast convex polyhedron face/edge boolean collision detection. Booleans (Mesh > Booleans) let you model with polygonal objects. of-course it must be. It is a continuation of the same kind of mesh manipulation and we'll use the cube sphere as our test model. 93 Free Street 3d models found. It generates meshes that represent the UI elements placed on it, regenerates the meshes when UI elements change, and issues draw calls to the GPU so that the UI is actually displayed. Polyfills; WebGLRenderer. The intersection between 2 lines in 2D and 3D, the intersection of a line with a plane. ARCore for C API Reference. So the key is to help Rhino find a good and complete intersection. I am BLOWN AWAY by how AMAZING this Traffic Fix is in Cities Skylines!. Important note: Although mesh facets are often believed to be always planar, this is an incorrect assumption. A series of facets join together to make a mesh object. And with some boolean options to intersect or subtract the meshes. The intersection between more complex polygons can be found by first triangulating them into multiple 3 vertex facets. The tool will modify the bridge mesh so that it fits the road mesh perfectly, it also matches the extra meshes. Introduction to Blender 2. Read more here or contact. Efficient Intersection of Distributed Meshes for use in the Community Earth System Model Conference Paper (PDF Available) · May 2014 with 36 Reads How we measure 'reads'. The results are correct, this mesh have a lot of different objects, and this objects are well segmented, can be asociated for one possible object in the scene. unity-voxel. Constructive solid geometry (CSG; formerly called computational binary solid geometry) is a technique used in solid modeling. The first one was a software. If mesh welding is not enabled, this value defines the acceptance distance for mesh validation. Draw Line on mouse move and detect line collision in Unity 2D and Unity 3D Tutorial. Edit your slice plane by doing the following: -drag to reposition the plane. colors - UnityWebRequest: fix proxy support, so that debuggers like Fiddler work - UnityWebRequest: Fixed an issue with redirect in editor when not in play mode. This course is designed to provide new users with a strong design foundation in Unity 3D 3. Like the water, it's a initially flat triangle mesh whose vertices are translated based on a heightmap. After pulling all this into a ComputeShader, I've got coarse volume aggregation working. Visibility controls. Fast convex polyhedron face/edge boolean collision detection. It computes the bounding box of your object and segments it into a configurable number of smaller boxes. It's important that we use at least Unity 2018. This repository is a framework for generating unique meshes. Projecting a Ray from 2D Screen Coordinates. The LGSVL Simulator supports creating, editing, and exporting of HD maps of existing 3D environments (Unity scenes). The Boolean modifier performs operations on meshes that are otherwise too complex to achieve with as few steps by editing meshes manually. NASA Astrophysics Data System (ADS) Maharana, Pyarimohan; Abdel-Lathif, Ahmat Younous; Pattnayak, Kanhu Charan. The edge contraction and smoothing methods are used to improve the mesh quality. 6 Part Geometric Analysis and Meshing Failures Before attempting meshing your part, for a finite element analysis, you should check your solid model for potentially fatal geometric flaws that may not be noticed except at greatly magnified views. For some reason your suggested change could not be submitted. A 3D, finite element model for baroclinic circulation on the Vancouver Island continental shelf. intersect, then the polyhedra themselves do not intersect. Surface Snapping in Editor. Depth intersection. Generate bridges with only a few click!. 1f1 Personal I've tryed to check some mesh props in Inspector but did not found anything seem to be responsible for that issue I'm new to all this and clearly have no idea how to fix that. Using this texture, you. How to check if two given line segments intersect? Following is a simple idea to check whether a point is inside or outside. The first one was a software. 2 Mesh Data Structures The introduction motivated clipping of a line segment and of a triangle. Basically, you would want to do an intersection test of your object (hopefully a simple shape like a box, or even just a ray) against meshes, find the affected polygons, and then create a new GameObject with a mesh containing only those polygons. The model size is not limited other than by Unity's limit of about 65000 vertices per mesh, but even approaching that is too much for single assets. Shred a mesh on a mobile at 60 FPS. See Combine polygon meshes using booleans. The function below avoids to intersect line and triangles that lie on the same plane, neither adds the duplicated points. This are complex operations because the data structures above must be updated to remain internally consistent. Have you ever made a decision early in your design process and later regretted it? For all …. When the camera renders a scene, it creates Depth texture, writing in it all opaque objects. At the intersection of two mesh lines is a special kind of anchor point called a mesh point. TextFromFont: Creates a mesh that contains the specified text, using a. Scene Setup. NET font object. Hey all, I am currently against a wall with some fun physics work I could use some insight on. Our contribution is to develop such a unified, robust, multimaterial mesh-based surface tracking scheme, and demonstrate its effectiveness. The distributed particles are small cubes. he last platform they were on. Individuals living with HIV have a far greater likelihood of experiencing mental health problems than the general population. Interested in the intersection of video games and artificial intelligence? If so, you will love Unity ML-Agents. Is it possible to maybe use the leap motion to 3D scan your hands first and then use that model with its texture map as the hands. The Combine feature assembles the meshes as polygon shells in the new polygon mesh node that gets created. This tutorial takes a different format than some of our other tuts, and will help you work with the Mesh tool better. ) GPUVoxelParticleSystem. The state of the art in self-intersection repairing can be subdivided in fragile, approximate and robust methods. com/BLINDED-AM-ME/UnityAssets This only works with Direct3D9 and openGL for windows go to Edit - Project Settings - Player - other S. It offers features for processing raw data produced by 3D digitization tools/devices and for preparing models for 3D printing. , two mesh elements intersect each other. Simple Mesh Cutting Script I made. Source Selected/Unselected Operate between the selected and unselected geometry. It's important that we use at least Unity 2018. A general knowledge of Unity is recommended. You can use Shapes2D for creating PNG sprites, prototyping, game jams, UI, effects and more! Shapes2D is available in the Unity asset store. NativeBuffer collection able to run off stackalloc. do i have to connect the intersection using faces, or i can just leave them without connecting? How would game engine eg. These mesh visibility controls are in the Tool>Visibility sub-palette. We can also compute what we call the barycentric coordinates. LookRotationExtended(). TextFromFont: Creates a mesh that contains the specified text, using a. In this article I explain how I adapted a traditional technique from 3D rendering to achieve fast 2D shadows for a large number of light sources in the Unity game engine. The next step, that of actually determining mesh collision, is a bit more involved and more expensive. A polygon mesh is made out of vertices which are connected to each other to form faces. Voxels are just a way to store 3D data. By default, the number of increments is 1. Use Unity to build high-quality 3D and 2D games, deploy them across mobile, desktop, VR/AR, consoles or the Web, and connect with loyal and enthusiastic players and customers. Think you @clement; in python I kown how to use it, but in c# I do not, because it mush 3 parameter in c#. 3) A very cool feature could be an extend to what i have suggested earlier - every time i pick a mesh i can choose if i want to get an extended info about it. Here is how to Setup PopcornFX and Unity so you can test it out prior to purchasing the asset store plugin which removes the watermark. Technical Writeup Posted on 01 October 2016 by Flafla2 Raymarching is a fairly new technique used to render realtime scenes. How to check if two given line segments intersect? Following is a simple idea to check whether a point is inside or outside. Generation of native half-edge mesh from Unity Meshes. To check if a Line collides with a Mesh, you need to intersect all the Mesh triangles with the Line, by using the Segment3D. Automatically generates navmesh graphs based on world geometry. Distance field is basically a volume texture, representing your mesh. The data structures used to represent the mesh form a vertex-edge-face table. But a new problem arose: Some of the processed objects are imported into Ansys as planes, not as solids. Every so often, HIV will make the news, and, sometimes, a story about mental health will break through the noise. I used 2 different tools. 2) Copy objects mesh at exact same location of object. I don't need to know the exact moment/frame when the intersection occurs. You can add and delete mesh points, edit the mesh points, or change the color associated with each mesh point. 1f1, LWRP 6. Turbo Slicer cuts fast, repeatedly. js – JavaScript 3D library submit project. I'm attempting to calculate an edge loop based on the intersection of a plane with a mesh, bounded by a sphere. Mesh colliders can produce hundreds of contact points. - UI: Fixed miscoloured mesh when this was created with CanvasRenderer. NativeBuffer collection able to run off stackalloc. the Demo for GPU Particle with geometry shader. , two mesh elements intersect each other. An exact and efficient 3D mesh intersection algorithm using only orientation predicates Salles V. The Intersect tool lets you cut intersections into geometry. In this section, we use the entire box of a voxel as an intersection target. Add a temporary mesh roughly shaped as the final distribution of the stones, but add it some walls to confine falling stones as below. Self Intersect Operate on the overlapping geometry of the mesh. A key component to virtually any graphical game, 2D or 3D, is a collision detection system for game objects. spm file that represents your model. Store Mesh in database AssetBundles for Unity. This line represents the slice plane. Have you ever made a decision early in your design process and later regretted it? For all …. object to the intersection of any files to the materials and complete the look of your mesh in Unity's game. NURBS Surface. The subnetwork that creates the intersection meshes is a modified version of the awesome Solving Intersections tutorial by Dokai. Store Mesh in database AssetBundles for Unity. Tab into Edit mode on the sphere and Alt+right-click one of the horizontal edges on the sphere. Unity is a related term of union. Blue and cyan lines are vertex and face normals, respectively. What would be the simplest way to cut a 8 square km map into 8 or 80 smaller pieces while keeping the correct bit of the "decal" on. This tutorial takes a different format than some of our other tuts, and will help you work with the Mesh tool better. - UI: Fixed miscoloured mesh when this was created with CanvasRenderer. from a bit early stage and HoloToolkit – Unity. Submission failed. Faces crossing the boundary become edges in the isosurface mesh. com/p/recastnavigation/http://code. Only triangle meshes are guaranteed to have all planar facets. Intersect method. In this example we would have 6 vertices v0, v1, v2, v3, v4 and v5. I deform the (otherwise flat) water mesh based on some sin-function to simulate the wave motion. Is it possible to maybe use the leap motion to 3D scan your hands first and then use that model with its texture map as the hands. Usage-Place the Math3d. Voxels are just a way to store 3D data. The script uses unity compound colliders to mimic a cocanve mesh collider. Net reports innovation and catalogues projects, tools and platforms at the intersection of art, media and technology. it acts like the Mesher, but instead of picking only one source object you can have a list of them. A SphereCollider will usually generate one contact point. It generates meshes that represent the UI elements placed on it, regenerates the meshes when UI elements change, and issues draw calls to the GPU so that the UI is actually displayed. Add a temporary mesh roughly shaped as the final distribution of the stones, but add it some walls to confine falling stones as below. Unity provides three primitive collider types: Box, Sphere and Capsule. Mesh Distance Field Quality. Three boolean operations let you combine objects to make shapes that would otherwise be difficult to model using other techniques. While this sounds simple enough, there are several common mesh errors that you should keep an eye out for. Scan effect shader uses depth intersection to determine where to render the scan object’s mesh. USGS Publications Warehouse. If not, a warning will be emitted. Voxelizing a mesh in Unity was quite a bit easier than anticipated. Each intersection of two lines (horizontal/vertical) can be colored with a solid color. A survey of 3-D crack growth modeling with partition-of-unity methods is presented in [57]. Set symbols of set theory and probability with name and definition: set, subset, union, intersection, element, cardinality, empty set, natural/real/complex number set. Use Unity to build high-quality 3D and 2D games, deploy them across mobile, desktop, VR/AR, consoles or the Web, and connect with loyal and enthusiastic players and customers. 1) Draw a horizontal line to the right of each point and extend it to infinity 1) Count the number of times the line intersects with polygon edges. Unity has strict rules when baking lightmaps with objects using alpha clip. Discover ideas about Unity. Hi, is there any way to avoid particles cut / intersect other particles? To make it more clear, I have a sphere and a particlesystem applied to it. /// Generate new data for the mesh and set this data to the mesh. Unity provides three primitive collider types: Box, Sphere and Capsule. Unity - Depth Intersection Shader. 1f1, LWRP 6. Great post, I appreciate you and I would like to read your next post. The intersection between 2 lines in 2D and 3D, the intersection of a line with a plane. Interested in the intersection of video games and artificial intelligence? If so, you will love Unity ML-Agents. Voxels are just a way to store 3D data. Constructive solid geometry (CSG; formerly called computational binary solid geometry) is a technique used in solid modeling. Although the library is written for C# 4.