The virtual marker matrix (virtualMarkMatrix) corresponding to the marker ID is fetched from the dictionary m_MarkIdMatrixObjectDic. The actual marker matrix (actualMarkMatrix) is constructed using ...

Rome wasn’t built in a day, and neither is a highly optimized website that ranks well on Google and delights users. Producing high-quality, expert content ...

Abstract: Time-frequency analysis (TFA) methods are significant in vibration signal analysis and fault diagnosis of mechanical equipment. However, large-scale mechanical equipment such as aerospace ...

为什么 CSS/XML 很难还原 Figma 渐变？ Figma 使用 3x3 仿射变换矩阵 (Affine Matrix) 来描述渐变，这允许渐变发生旋转、非等比缩放（压扁的椭圆）甚至切变。而 CSS 和 Android XML 原生仅支持简单的 参数化模型（如圆心、半径、角度）。