In the mesh structure of 3D models, there is a kind of situation that can make many 3D algorithms useless or even break down. Because the default input model for many 3D algorithms is a manifold structure. But sometimes we get a data that is not manifold. The left side Read more…
We provide a page of random proverbs, sayings, and stories. 我们上线了一个随机展示谚语、格言、故事的页面。 You just need to click the update button to see the new results in the text box. 你只需要点击一下Update按钮，就能在文本框中看到新的结果。 Link：https://www.weiy.city/adage/
We provide a new service MP4 To GIF today. You can upload your mp4 file to convert it to a gif file. Here is a demo video about it. Youtube Bilibili
Here is a video about configuring WebAssembly environment on Ubuntu 20.04. It records all process about configuring WebAssembly environment and running a simple test program Youtube: Bilibili:
The post shows how to pass array from javascript to cpp function as parameter and how to use javascript to receive array from cpp function. We have to know the javascript TypedArray objects and different types of emscripten memory model firstly. JS TypedArray objects Type Value Range Size in bytes Read more…
I can’t display vtkContourWidget object on web page by wasm file.The following code snippet is very simple, create a circle and show it, we can modify it by vtkContourWidget object.The example works in CPlusCPlus program.VTK version: 9.0.2. But it will crash on our web page. Output: It seems something wrong Read more…
In graphics and signal processing, there are many filters to compute data. We show two signal processing filters Gaussian filter and tent filter at our web tool 3D Model Editor. Gaussian Filter The resulting function is The 2D Gaussian filter, which is both separable and radially symmetric. Tent Read more…
You may have encountered a situation where the downloaded file was damaged and didn’t open smoothly. The method to verify whether the file has changed is the information summary algorithm. It analyzes the contents of the file and generates a hash string. Compare your file hash value with someone else’s Read more…
Download cryptography library and build for wasm Download cryptography source code at GitHub, cryptopp. Go to cryptopp folder which contains GNUmakefile. Build it to generate C++ library and execute file. make static dynamic cryptest.exe Create a new folder build and move all generated files into it. mv *.o *.so *.a Read more…