One of my best friends get married today, but I'm not the groomsman, cos he said I 'm too handsome which can attract all the people's attention especially the girls.  His father is a senior colonel and a professor, all of the wedding committee members almost up to 20 are senior colonel which is only lower than major general in army. His mother is a professor but no military rank. His wife is his schoolmate during postgraduate and graduate. I known her last year when I went to shanghai for journey.  

 

I present 100RMB as my gift and make my mouth keep chewing, which always makes people feel boring in wedding ceremony. The new couple toast to each guest, and receive all the blessing. We have a lot of minds for the custom of new couple making close behaviours in public, but they are so busy that we have no chance to interrupt their toasting.

 

Should I also get married? I'm still not sure when and where but whom.

 

 

2006年7月5日，送别好友苏君毕业返乡。

 

四年羁旅返南乡，
同窗情谊未可伤。
他日会得羊城去，
举杯推盏饮珠江。

Ronaldinho have finished his travel of world cup in 2006. He played for Football Club Bacelona and Brazil nation team, but the performance is various. He is the attack core in FCB where he transport the football to other player and arrive brilliant achievement. In Brazil, there is no attack core, or we can say everybody want to be the core, Kaka,Ronaldo, and so on. Brazil is not united team, even not professional.

My gf and me have a lot of friends who are also couple. It's a complex emotion, friendship and love,  so we don't want anybody get hurt. When some couple friends have some gap in their heart, we will feel sad and try our best to fix their relation. We want their be steady in feeling and love, we even think that is the basis of our friendship. Obviously, anybody can tell me don't be so NAIVE, isn't it?

 

I have a list of my couples friends. When they get merried, we address our wishes. When they get child, we... Oh, nobody have gottent a child. They must want to spare their 2 people world years and another year. My gf and me sitll in university for master degree, maby some phd degree next term. It's a dream for us before 2008 or more late.

      OpenGL中从三维场景到屏幕图形，四种坐标经常要在程序中用到：世界坐标，物体坐标，设备坐标和眼坐标。

　　世界坐标是OpenGL中用来描述场景的坐标，Z+轴垂直屏幕向外，X+从左到右，Y+轴从下到上，是右手笛卡尔坐标系统。我们用这个坐标系来描述物体及光源的位置。

　　将物体放到场景中也就是将物体平移到特定位置、旋转一定角度，这些操作就是坐标变换。OpenGL中提供了glTranslate*/glRotate*/glScale*三条坐标变换命令，利用OpenGL的矩阵运算命令，则可以实现任意复杂的坐标变换。

　　非常重要：OpenGL中有一个坐标变换矩阵栈(ModelView)，栈顶就是当前坐标变换矩阵，进入OpenGL管道的每个坐标(齐次坐标)都会先乘上这个矩阵，结果才是对应点在场景中的世界坐标。OpenGL中的坐标变换都是通过矩阵运算完成的，与图形学课本的描述完全一致。要注意的是变换中的矩阵乘法是左乘，而矩阵乘法与算术乘法不同，不符合交换律(万一不明白去看矩阵代数书好了)。

　　glTranslate*(x,y,z)：平移，参数为各轴向的移动量。
　　glRotate(d,x,y,z)：旋转，第一个参数为转动的度数，后三个参数表明是否绕该轴旋转。通常x,y,z中只有一个为1，其余为0，用连续几条旋转命令完成复杂旋转。由于矩阵运算的左乘特点，旋转命令的顺序与旋转动作的顺序正好相反。

　　物体坐标是以物体某一点为原点而建立的“世界坐标”，该坐标系仅对该物体适用，用来简化对物体各部分坐标的描述。物体放到场景中时，各部分经历的坐标变换相同，相对位置不变，所以可视为一个整体，与人类的思维习惯一致。

　　眼坐标是以视点为原点，以视线的方向为Z+轴正方向的坐标系中的方向。OpenGL管道会将世界坐标先变换到眼坐标，然后进行裁剪，只有在视线范围(视见体)之内的场景才会进入下一阶段的计算。

　　同样的，有投影变换矩阵栈(Projection)，栈顶矩阵就是当前投影变换矩阵，负责将场景各坐标变换到眼坐标，由所得到的结果是裁剪后的场景部分，称为裁剪坐标。前面提到过的视见体设定其实就是在建立该矩阵。

　　OpenGL的重要功能之一就是将三维的世界坐标经过变换、投影等计算，最终算出它在显示设备上对应的位置，这个位置就称为设备坐标。在屏幕、打印机等设备上的坐标是二维坐标。值得一提的是，OpenGL可以只使用设备的一部分进行绘制，这个部分称为视区或视口(viewport)。投影得到的是视区内的坐标(投影坐标)，从投影坐标到设备坐标的计算过程就是设备变换了。

　　矩阵栈切换：glMatrixMode(GL_MODELVIEWING或GL_PROJECTION);本命令执行后参数所指矩阵栈就成为当前矩阵栈，以后的矩阵栈操纵命令将作用于它。

　　矩阵栈操纵命令：
　　glPushMatrix(); 当前矩阵入栈，这时矩阵栈将栈顶值压入栈。
　　glPopMatrix(); 栈顶出栈，通常与上一条命令配合使用。
　　glLoadIdentity(); 将栈顶设为不变矩阵(就是对角线全为1其它为0的那个)。
　　glMultMatrix(M);将栈顶T设为M·T。

Usually I call my family phone by skype which is not only cheap but also popular as a IP phone. In recent days a lot of girls from different coutry called me for a talk in skype. 

 

A Hungary girl named niki called me to recognize some chinese characters as tatoo, because she is affraid the tattoo means something stupid thing and her boy friend want to print this pattern in his back. The pattern was so crabbed that I losed to identify it.  She asked me to advice some good chinese words for her bf. I recommended "礼义孝悌" ，and told her——they are the ideology of Kong Zi  in  ancient china, the first means manners or civility, the second means responsibility to the friends or brothers, the third means be good to your parents, the fourth means be good to your brothers.  She said this is a very good lesson to her about the chinese culture.

 

A Polish girl called me to have a talk. She said she is only 11,  but when we begin talk in I heard there were 3person at least, and bviously all of them were not good at english. Poglish to Chinglish, it's hard to continue.

 

A Turkey girl called me to have a talk. She just introduced herself and said her name diLek means wish in Turkey. I told her my name in chinses like the Olympic slogan ——more tall,more fast,more strong, gao means tall ,kai means win ,qiang means strong.

 

Chinese girls sometimes also called me for a talk.  I have to answer some questions like these FAQ. 1、How old r u? 2、What is your major ? 3、What dose optical engineering means ? 4、what is optical fiber communications or optical fiber sensors? 5、......

 

 

      各种不同的聚会，有的来读书了，有的要走人了。今天中午遇到了大肆照相的同学，晚上泳版的同学们又要搞个聚会。对于此的习以为常令自己感到了惊诧，好像已经毕业了好几遭。对于此的毫无留恋让我更加得羡慕那些即将别离的同学。