We had introduced a way to keep a few special models awalys on the top layer in 3D scene. The relative post: https://www.weiy.city/2020/03/make-model-always-on-top/. But it will fail to shift polygons, lines, and points sometimes, eg. when we are in the WebAssembly environment (wasm) for web page.Let’s use an another method Read more…
Install C/C++ IntelliSense and CMake Tools plug-in for C++ project. Open file – preference – settings – IntelliSenseEngine, set the intelliSense engine as Tag Parser. Edit .vscode\c_cpp_properties.json for the workspaceFolder to include all files that we need. Restart VS Code to see the effect. You have to make sure the Read more…
Here are two videos for showing using the web app on this website to decrease the resolution of mesh and clip 3D model by plane. Web App : https://www.weiy.city/functions/3D-Model-Editor/ youtube – decimate data bilibili – decimate data youtube – clip 3D model bilibili – clip 3D model
The post shows a way to move 3D model to the original point in world coordinate system. The file CMakeLists.txt is similar to https://www.weiy.city/2021/12/find-closest-plane-between-points-in-3d-by-covariance-matrix/. The included file point.hpp can be found in https://www.weiy.city/2020/09/project-point-on-line-and-plane-by-special-direction/. #include <iostream> #include <vtkPolyData.h> #include <vtkActor.h> #include <vtkTransformFilter.h> #include “./point.hpp” #include <vtkTransform.h> #include <vtkSTLReader.h> #include <vtkSTLWriter.h> #define Read more…
Add file chooser in html. <input type=”file” id=”file-input” style=”color:white;” /> Choose file and convert the data to uint array, use FS library provided by Emscripten to write it to wasm virtual file system. Note: we have to add FS in EXPORTED_RUNTIME_METHODS in CMakeLists.txt for CPlusPlus project. javascript code: function readSingleFile(e) Read more…
The post shows a simple way how to download the 3D Model from web page which constructed by wasm. I assume that you have a 3D model in the scene. Now you want download the mesh from the web page to local disk. Write a CPlusPlus interface to convert mesh Read more…
The post shows a template about how to send file to our remote server. We need to prepare html page, javascript and php script. HTML Page Write a web page and import front.js that contains submit event. front.html: <!DOCTYPE html> <html> <body> <div key=”uploadMeshContent” id=”content”> <input type=”file” id=”uploadMesh” name=”uploadMesh”/> <progress Read more…
I want to find the central point, not mass center, between a few points like the following image. The points are on the same plane. Find the longest axis and the orthogonal axis for the points set firstly. Compute the positive farthest point and negative farthest point for every axis. Read more…
The article show demoes about use ifstream to read file written by qfile and use qfile to read file written by ofstream. Use ifstream to read file written by QFile #include <QCoreApplication> #include <QString> #include <QFile> #include <iostream> #include <fstream> int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); QString Read more…