To install an SSL certificate on CentOS, you can use the certbot tool to obtain and install Let’s Encrypt SSL certificates.Here are the step-by-step instructions. Install Certbot Obtain and Install SSL Certificate Run Certbot to obtain and install the SSL certificate for your domain: Replace your_domain.com with your actual domain Read more…
We have added a zoom function to the illustrations of the articles on our website. For scenarios where the image size itself is already large, when you move the cursor over the image, the zoom will take effect, allowing users to enlarge nearby image details for easier browsing. The effect Read more…
I found an interesting issue about vtkSDL2OpenGLRenderWindow::SetSize when changed canvas for VTK WASM 3D window.The related post on the website is Change Canvas For VTK WASM Project. The interface SetSize can work if it was used before m_RenderWindowInteractor->SetRenderWindow( newWin );.It means the 3D window will become smaller or bigger than the outer shell. The red object Read more…
There are some errors and warnings after I changed canvas for VTK wasm. The related post: https://www.weiy.city/2023/11/change-canvas-for-vtk-wasm-project/ We need to free up graphics resources with the old window before we render again. worker.cpp:
Environment:VTK Branch_v9.1.0emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 3.1.39 I tested two interfaces for pick operation of vtkPropPicker on web page. The result value is awalys 0. Invoking code: There are warning on browser log: Maybe that’s a bug of VTK For WebAssembly. All source code has been Read more…
Sometimes we need to change canvas for VTK WASM 3D window.Updating renderer window and renderer is neccessary if we don’t restart all data loading.The related post is Change Canvas For VTK WASM Project. I got the following error info on the web page if do vtkSDL2OpenGLRenderWindow::Render before m_RenderWindow = newWin; (update the old rendererWindow variable). Read more…
Test environment: Ubuntu 22.04.2 LTSGoogle Chromeemcc 3.1.33clang version 17.0.0Target: wasm32-unknown-emscripten Write a simple test program. main.c: Compile it with DWARF debug information included. Download chrome (stable version): https://www.google.com/chrome/ Install chrome on ubuntu. Set up a light http server for viewing it on chrome. Then open the web page at http://0.0.0.0:4001/main.html Read more…
Python virtual environment Setup a virtual environment activate the environment exist the environment: You can use absolute path to run the script, the result is same with virtual environment. The interpreter python3.7 under the folder my-env is symlink file point to your interpreter installed in system path just like /usr/local/bin/python3.7. You Read more…
The post demonstrates the process of configuring the 3D window after switching from the original canvas to another. After clicking on the update button at the bottom-left position on the webpage, we will call Worker::ChangeRenderWindow to handle the scene. index.html: The interface in worker.cpp: The whole project had been uploaded Read more…