如何在SO上生成用户ID图像？ [英] How is the user id image generated on SO?

问题描述

我对这个网站上与每个用户相关的可爱小万花筒图像有点好奇。
如何生成？可能性是：

I am a little curious about the cute little kaleidoscopic images associated with each user on this site. How are those generated? Possibilities are:

1. 图像列表已存在于某个文件夹中，随机选择。


2. 只要用户注册，就会生成图像。

无论如何，我对使用何种算法生成此类图像更感兴趣。

In any case, I am more interested in what kind of algorithm is used to generate such images.

推荐答案

它被称为 Identicon 。如果您输入并通过电子邮件发送，则它基于您的电子邮件地址的哈希值。如果您没有输入电子邮件，则它取决于您的IP地址。

It's called an Identicon. If you entered and e-mail, it's a based on a hash of your e-mail address. If you didn't enter an e-mail, it's based on your IP address.

Jeff 发布了一些.NET代码以生成基于IP的Identicons。

Jeff posted some .NET code to generate IP based Identicons.

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