Stroman

1、平移手势在屏幕上滑动产生的是一个XOY平面向量，然后这个向量被传入到旋转点的矩阵算法中。我想知道其中涉及到的正余弦的计算与传入的向量是什么关系？用的是什么原理。 2、用矩阵旋转点坐标的算法中，你用的是什么坐标系？ 3、DBSphereView.m中39行3 - sqrt(5)代表的是什么意义？

how to set CPM_DOWNLOAD_ALL?

2

I'm a new in cmake and cpm. I don't know where to set it. I don't know how to set it. I just wanna reuse sources and builds. readme.md does...

我想问问其中的原理

7

1、平移手势在屏幕上滑动产生的是一个XOY平面向量，然后这个向量被传入到旋转点的矩阵算法中。我想知道其中涉及到的正余弦的计算与传入的向量是什么关系？用的是什么原理。 2、用矩阵旋转点坐标的算法中，你用的是什么坐标系？ 3、DBSphereView.m中39行3 - sqrt(5)代表的是什么意义？

It's poor documentation.I don't know how to it,I can not see effect. Now os is macos mojave,IDE is xcode. Could you tell me how to run the project?

i wanna custom a filter. i try to override renderFrame in BasicOperations but it shows this error how to fix it?

你好，我是一名美妆APP开发者。 最近看到天天P图中双眼皮的变形效果，我感觉到非常好，想知道它是如何实现？ 不知可以告知？

How to create a surfacemesh?

1

I have a vtk including vertex and face including that has been marked removed. First,I create vertex_descriptor with the given vertex coordinates. Second,I deal with face one by one. If...

How to recover vertex that removed?

1

I got a custom data model,which recording removed vertex,working vertex,removed face,working face.I want to create a surfacemesh according to the data model. But I met several questions. Vertexes has their...

## Issue Details I construct a surfacemesh. I removed a face,but not really. I add a same topology face into the mesh,then I got a null_face error。 I know that...

I have read the solution a but I do not quite understand the accurate meaning of the content. So would you please give me a pseudocode to make me clear?...