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中科大老师的科学可视化课件分享(十一)

  • 2026-10-29 16:23:50
中科大老师的科学可视化课件分享(十一)
课程终于来到了《线的可视化》一章，剩余的课时数也已经屈指可数。理论课依然是以基础知识为主，最麻烦的还是演示案例的选择。既要鲜明地体现出每个知识点的特点，又不能过于复杂占据太多的课堂时间。
今天尝试讲了一个稍显复杂的案例——点的运动轨迹。提前练了三四遍，课堂演示效果尚可。时间也把握得刚刚好，在下课前几分钟讲完。很明显同学们对具体的案例更感兴趣，但基础知识点又不能跳过，只能在两者间找平衡了。
以下是本次课程的PPT课件——
本章内容更加偏向实际操作。关于“曲线的类型”可以在3.4节的“曲线数据”中查看，本章不再重复介绍。下次课会介绍曲线和网格之间的转换，还有一些附加知识，《线的可视化》内容就讲完了。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

中科大老师的科学可视化课件分享(十二)

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000657s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000964s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000460s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000399s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000586s ]
  6. SELECT * FROM `set` [ RunTime:0.000349s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000666s ]
  8. SELECT * FROM `article` WHERE `id` = 464414 LIMIT 1 [ RunTime:0.000461s ]
  9. UPDATE `article` SET `lasttime` = 1793998114 WHERE `id` = 464414 [ RunTime:0.001400s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000369s ]
  11. SELECT * FROM `article` WHERE `id` < 464414 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000435s ]
  12. SELECT * FROM `article` WHERE `id` > 464414 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000455s ]
  13. SELECT * FROM `article` WHERE `id` < 464414 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000621s ]
  14. SELECT * FROM `article` WHERE `id` < 464414 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000825s ]
  15. SELECT * FROM `article` WHERE `id` < 464414 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000837s ]
0.086557s