trianglemesh | This is a powerful 3d line drawing extract framework | Machine Learning library

 by   zddhub C++ Version: Current License: Non-SPDX

kandi X-RAY | trianglemesh Summary

kandi X-RAY | trianglemesh Summary

trianglemesh is a C++ library typically used in Artificial Intelligence, Machine Learning applications. trianglemesh has no bugs, it has no vulnerabilities and it has low support. However trianglemesh has a Non-SPDX License. You can download it from GitHub.

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            kandi-support Support

              trianglemesh has a low active ecosystem.
              It has 35 star(s) with 15 fork(s). There are 6 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 0 open issues and 9 have been closed. On average issues are closed in 122 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of trianglemesh is current.

            kandi-Quality Quality

              trianglemesh has 0 bugs and 0 code smells.

            kandi-Security Security

              trianglemesh has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              trianglemesh code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              trianglemesh has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              trianglemesh releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            trianglemesh Key Features

            No Key Features are available at this moment for trianglemesh.

            trianglemesh Examples and Code Snippets

            No Code Snippets are available at this moment for trianglemesh.

            Community Discussions

            QUESTION

            Extracting vectors from Structure in header file
            Asked 2022-Feb-17 at 00:24

            This is the header file in question:

            ...

            ANSWER

            Answered 2022-Feb-17 at 00:23

            loadOBJ() gives you a pointer to a Model object.

            Model has a std::vector (a dynamic array) member named meshes that holds pointers to TriangleMesh objects.

            TriangleMesh has a std::vector member named vertex holding vec3f objects.

            You can iterate the various vectors like this:

            Source https://stackoverflow.com/questions/71150660

            QUESTION

            How to color some triangles in a TriangleMesh?
            Asked 2022-Jan-05 at 23:38

            I want to color some triangles of a TriangleMesh in different colors.

            What would be the easiest way to do this, which might even be possible in the fxml file?

            The java code:

            ...

            ANSWER

            Answered 2022-Jan-05 at 23:38

            I guess this could have been closed as a duplicate (see the resources section for references to potential duplicates).

            However, I think it was interesting and pretty unique how the question was framed such that it defined most of the model using FXML, so I thought I'd adapt that to an answer.

            High level steps
            1. You need to provide a PhongMaterial with a diffuseMap which is an image that will be the texture for your model.
            2. You need to define texCoords in your model which map to locations in the diffuseMap image (it is a proportional map in the range 0 to 1).
            3. When you define the faces, you need to specify the index within the texture map that will be used to color the vertex of the face.

            Full explanation is outside of what I am prepared to write up here at this time, but I refer you to other resources where you can find some more information if you need it.

            Output

            This is rendered to a gif, so fidelity isn't great, actual output on PC looks better, and the gif output is weirdly massively sped up, but it does give an indication of what the solution does.

            texture.png

            ColoredMesh.java

            Loads a textured model and animates it around the X and Y axes.

            Source https://stackoverflow.com/questions/69305387

            QUESTION

            Project 3D mesh on 2d image using camera intrinsic matrix
            Asked 2021-Dec-16 at 05:51

            I've been trying to use the HOnnotate dataset to extract perspective correct hand and object masks as shown in the images of Task-3 of the Hands-2019 challenge.

            The data set comes with the following annotations:

            ...

            ANSWER

            Answered 2021-Dec-16 at 05:51

            Turns out there is an easy way to do this task using Open3D and the camera intrinsic values. Basically we instruct Open3D to render the image from the POV of the camera.

            Source https://stackoverflow.com/questions/70273002

            QUESTION

            Cmake: How to link multiple libraries?
            Asked 2021-Oct-21 at 18:59

            I am using CMake to define the compilation of a C++ executable. The goal is to use 2 third-party libraries, Open3D and OpenCV. I am able to include one of the two with target_link_libraries, but including both results in OpenCV functions not being found.

            This is my current CMakeLists.txt

            ...

            ANSWER

            Answered 2021-Oct-21 at 18:59

            The problem was solved by finding this Github issue: https://github.com/isl-org/Open3D/issues/2286
            By using specific build flags when building Open3D, the libraries could both be linked correctly and simultaneously with the target_link_libraries(ORB_SLAM ${OpenCV_LIBS} ${Open3D_LIBRARIES}) command.

            The build commands were as follows;

            Source https://stackoverflow.com/questions/69623544

            QUESTION

            Binding a std::function to a member function in c++?
            Asked 2021-Jul-02 at 11:52

            I'm working with Open3D library using the following function:

            ...

            ANSWER

            Answered 2021-Jul-02 at 11:52

            Turns out you need to use std::placeholders in your std::bind function. The following code works:

            Source https://stackoverflow.com/questions/68224037

            QUESTION

            How to convert 3D cloud datapoints to mesh using python?
            Asked 2021-Mar-17 at 10:58

            I have a set of 3D data points that looks similar to sphere. I need these data points to be connected as a watertight mesh so that it can be used for simulation.

            I have worked with Meshlab and obtained a reasonable mesh but not watertight.

            After this, I have tried with Open3D python library by using ball pivot algorithm. From this, I am unable to obtain water tight mesh as expected. I tried to work with hole_fixer external library (Hole_fixer), but finding and error in installing using cmake.

            I have inserted the code and also "xyz" datapoints used for open3D.

            ...

            ANSWER

            Answered 2021-Mar-13 at 03:59

            To achieve a water tight mesh, you can use o3d.geometry.TriangleMesh.create_from_point_cloud_poisson.

            However, Poisson reconstruction requires consistent normal orientation. In your case, you can just orient all normals toward the center of your point cloud. To do that:

            Source https://stackoverflow.com/questions/66595268

            QUESTION

            Obtaining a vector of coordinates from a vector of indexes from a point cloud
            Asked 2021-Jan-30 at 20:57

            I was tinkering around with open3d and I got to the point where I found myself having a vector made from the index of each point I got from a radius search and it looks somewhat like this:

            ...

            ANSWER

            Answered 2021-Jan-30 at 20:57

            After banging my head against my monitor I found out that my answer was in front of my eyes but I was so stubborn in solving it a way I wasn't even able to think about I couldn't tell.

            The only thing I needed to do is just

            Source https://stackoverflow.com/questions/65966848

            QUESTION

            Python Implementation for creating a triangular mesh from an array of closed loop planar contours
            Asked 2020-Dec-13 at 11:52

            I'm a wee bit stuck.

            I have a 3D point cloud (an array of (n,3) vertices), in which I am trying to generate a 3D triangular mesh from. So far I have had no luck.

            The format my data comes in:

            • (x,y) values in regularly spaced (z) intervals. Think of the data as closed loop planar contours stored slice by slice in the z direction.
            • The vertices in my data must be absolute positions for the mesh triangles (i.e. I don't want them to be smoothed out such that the volume begins to change shape, but linear interpolation between the layers is fine).

            Illustration:

            ...

            ANSWER

            Answered 2020-Sep-04 at 06:49

            Actually there are two ways of having meshlab functionality in python:

            1. The first is MeshLabXML (https://github.com/3DLIRIOUS/MeshLabXML ) a third party, is a Python scripting interface to meshlab scripting interface
            2. the second is PyMeshLab (https://github.com/cnr-isti-vclab/PyMeshLab ) an ongoing effort done by the MeshLab authors, (currently in alpha stage) to have a direct Python bindings to all the meshlab filters

            Source https://stackoverflow.com/questions/63734323

            QUESTION

            how to make an open stl file watertight
            Asked 2020-Nov-16 at 08:21

            Newbie here!

            I have an STL file which is not watertight and the gap is quite big to repair with the close vertex of the trimesh.

            I tried with open3d by following this but I have the following error: "ValueError: vector too long"..

            Is there any way to make the mesh watertight? I need to calculate the CoM and Inertia matrix but the values would not be correct if my mesh is not watertight/a closed surface.

            For the open3d, firstly I uploaded the stl file, I converted it to numpy and then I used the following code:

            ...

            ANSWER

            Answered 2020-Nov-16 at 08:21

            I have managed to make the mesh watertight. I will post here in case anyone is having troubles in the future with it.

            My mesh was actually made of 2 smaller meshes, so I had to first merge them together and then use the VTK library to clean the mesh and fill the holes. This made my mesh watertight and I could calculate everything I needed.

            This is the code:

            Source https://stackoverflow.com/questions/64804792

            QUESTION

            Swap operation error: binding value of type 'const vector<...>' to reference to type 'vector<...>' drops 'const' qualifier
            Asked 2020-Oct-23 at 15:38

            I have a class method which returns const std::vector:

            ...

            ANSWER

            Answered 2020-Oct-23 at 15:38

            Thanks to @Yksisarvinen this statement works fine:

            Source https://stackoverflow.com/questions/64194118

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install trianglemesh

            You can download it from GitHub.

            Support

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            https://github.com/zddhub/trianglemesh.git

          • CLI

            gh repo clone zddhub/trianglemesh

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            git@github.com:zddhub/trianglemesh.git

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