colmap 初体验🫠🎶

下载一个小猫的RGB数据集 THU-MVS: Multi-View 3D Reconstruction Datasets
创建 project_cat 文件夹，把图片放 project_cat/images 下

运行 COLMAP.bat启动程序，官方文档中有一些实用的操作说明：Graphical User Interface — COLMAP 3.9-dev documentation

Rotate model: Left-click and drag.
Shift model: Right-click or -click (-click) and drag.
Zoom model: Scroll.
Change point size: -scroll (-scroll).
Change camera size: -scroll. （红色的表示相机拍摄位置的符号）
Adjust clipping plane: -scroll. （距离观察视点一定距离的点会被 clipped）
Select point: Double-left-click point (change point size if too small). The green lines visualize the projections into the images that see the point. The opening window shows the projected locations of the point in all images.
Select camera: Double-left-click camera (change camera size if too small). The purple lines visualize images that see at least one common point with the selected image. The opening window shows a few statistics of the image.
Reset view: To reset all viewing settings, choose Render > Reset view.