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标题: Problem with circle! [打印本页]

作者: namtran    时间: 2009-7-22 14:47     标题: Problem with circle!

本帖最后由 namtran 于 2009-7-22 15:00 编辑

Please help me how to construct circle in the plane with a point by center and radius; circle with a point by center and point in this circle.
Thanks!
作者: Iris    时间: 2009-7-22 15:42

本帖最后由 Iris 于 2009-7-22 15:44 编辑

This is a demo:

图片附件: Default.PNG (2009-7-22 15:44, 20.86 KB) / 下载次数 0
http://forums.netpad.net.cn/attachment.php?aid=315&k=d80657461c7d1f2b62105c9617baa9fc&t=1765168606&sid=86z24H


作者: namtran    时间: 2009-7-22 16:04

I can't edit radio like you and your test isn't true of me to ask.
I need circle  with center and  the measure given radius.

Thanks!
作者: inRm    时间: 2009-7-22 16:11

See this demo:

图片附件: Default.PNG (2009-7-22 16:11, 17.99 KB) / 下载次数 0
http://forums.netpad.net.cn/attachment.php?aid=316&k=6912d228c59d1b3e64aa8a0f3cb4a415&t=1765168606&sid=86z24H


作者: namtran    时间: 2009-7-22 17:49

Thank you!
作者: hhhzh    时间: 2009-7-22 19:50

有一种鬼子进村了的感觉!:o
作者: namtran    时间: 2009-7-22 20:50

BUG! I used tool locus line for locus of y = x^2 around Oy axis..

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作者: inRm    时间: 2009-7-23 09:09

This is a BUG indeed. But I don't understand the purpose of your.
Please paste the document here.
作者: namtran    时间: 2009-7-23 09:33

本帖最后由 namtran 于 2009-7-23 09:41 编辑

I make file aa.sgt and then I use tool "locus line" .... Bug!
I want to make it look like this file GSP.
Wait for you!:sleepy:
Ah! Have you had file English help? Ìf you had, please send to me. I need it so much to understand this software more. Thank you!

附件: aa.sgf (2009-7-23 09:33, 2.55 KB) / 下载次数 9
http://forums.netpad.net.cn/attachment.php?aid=318&k=6df4fff0465e20579a0d5f91387435b4&t=1765168606&sid=86z24H

附件: TT y = f(x).gsp (2009-7-23 09:33, 7.29 KB) / 下载次数 9
http://forums.netpad.net.cn/attachment.php?aid=319&k=61b242a7c8f9e8792b17fbb702ff60eb&t=1765168606&sid=86z24H
作者: inRm    时间: 2009-7-23 09:48

I see this BUG. Thank's very much!
Please wait a moment...
作者: 周传高    时间: 2009-7-23 09:55

It should be this kind of condition.

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图片附件: Snap3.gif (2009-7-23 09:55, 22.07 KB) / 下载次数 0
http://forums.netpad.net.cn/attachment.php?aid=321&k=69c35a1c74db7e5a7335344213bf4506&t=1765168606&sid=86z24H



附件: aa.sgf (2009-7-23 09:55, 1006 Bytes) / 下载次数 1
http://forums.netpad.net.cn/attachment.php?aid=322&k=7390ad983ed4b6d3c1dd5292211a5711&t=1765168606&sid=86z24H

附件: 11.sgf (2009-7-23 09:55, 3.12 KB) / 下载次数 1
http://forums.netpad.net.cn/attachment.php?aid=323&k=af171635082a670cd5e9bfb5ab31dc1a&t=1765168606&sid=86z24H
作者: 周传高    时间: 2009-7-23 09:56

Are you to want a development course?
作者: namtran    时间: 2009-7-23 10:27

Yes, I want.
Thanks!
作者: 周传高    时间: 2009-7-23 10:46

Please see.

图片附件: Snap1.gif (2009-7-23 10:46, 9.11 KB) / 下载次数 0
http://forums.netpad.net.cn/attachment.php?aid=324&k=8c38c9439a0f4ceb08855e0b4c99110c&t=1765168606&sid=86z24H



附件: 22.sgf (2009-7-23 10:46, 2.33 KB) / 下载次数 5
http://forums.netpad.net.cn/attachment.php?aid=325&k=3265510750d153ae5a310da1b007e638&t=1765168606&sid=86z24H
作者: 周传高    时间: 2009-7-23 10:46

Continue .
作者: inRm    时间: 2009-7-23 10:58

Has been repaired and updated.
作者: namtran    时间: 2009-7-23 12:47

本帖最后由 namtran 于 2009-7-23 12:49 编辑

14# 周传高

Oh no! I want locus of graph rotate around Ox axis or Oy axis. You maked the circle trace of graph.
Please see my GSP file.
Thank!
作者: inRm    时间: 2009-7-23 13:53

本帖最后由 inRm 于 2009-7-23 13:59 编辑

这是要曲面的痕迹啊
作者: 周传高    时间: 2009-7-23 14:34

14# 周传高

Oh no! I want locus of graph rotate around Ox axis or Oy axis. You maked the circle trace of graph.
Please see my GSP file.
Thank!
namtran 发表于 2009-7-23 12:47
Problem is solving. Wait.
作者: namtran    时间: 2009-7-23 15:30

本帖最后由 namtran 于 2009-7-23 15:47 编辑

Point on circle maked locus but when point move on circle then trace of locus and locus don't move with it. Why? Can locus move in InRm3D ?

附件: aa.sgf (2009-7-23 15:47, 3.21 KB) / 下载次数 8
http://forums.netpad.net.cn/attachment.php?aid=330&k=6ed72b4838cbaed09d941994dace070d&t=1765168606&sid=86z24H
作者: 周传高    时间: 2009-7-23 15:35

Please see.

图片附件: Snap1.gif (2009-7-23 15:35, 10.1 KB) / 下载次数 0
http://forums.netpad.net.cn/attachment.php?aid=328&k=068bf4a9a70e99397d49c08a0845ca18&t=1765168606&sid=86z24H



附件: 33.sgf (2009-7-23 15:35, 3.54 KB) / 下载次数 1
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作者: 周传高    时间: 2009-7-23 16:06

Come again a direct curve map picture spin!

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附件: aa.sgf (2009-7-23 16:06, 2.5 KB) / 下载次数 3
http://forums.netpad.net.cn/attachment.php?aid=332&k=498752b5c1259e5637003371740626c8&t=1765168606&sid=86z24H
作者: 周传高    时间: 2009-7-23 16:07

What do you do not satisfy in addition?
作者: 榕坚    时间: 2009-7-25 09:20

Point on circle maked locus but when point move on circle then trace of locus and locus don't move with it. Why? Can locus move in InRm3D ?
namtran 发表于 2009-7-23 15:30
从附件中看这里有几个问题:
1、由输入方程构造的曲线不能保留痕迹,因此想构造一条圆上的点的轨迹来替代。但是圆上的点也是动点,这样轨迹线不能跟着该点动;
2、多点驱动轨迹这是目前所有画板中的难题。
要是应该是这样的效果:

图片附件: 1.jpg (2009-7-25 09:20, 11.04 KB) / 下载次数 0
http://forums.netpad.net.cn/attachment.php?aid=340&k=8f2f10c5f46da91951fa324a0e6fe946&t=1765168606&sid=86z24H


作者: namtran    时间: 2009-7-25 09:49

Can you upload your file?Thx!
作者: 周传高    时间: 2009-7-25 09:59

Point on circle maked locus but when point move on circle then trace of locus and locus don't move with it. Why? Can locus move in InRm3D ?
namtran 发表于 2009-7-23 15:30
On your file, summary is altered , please see.

附件: aa.sgf (2009-7-25 09:59, 3.5 KB) / 下载次数 4
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作者: 周传高    时间: 2009-7-25 10:01

In fact, your those locus practice is still non-standard.
作者: 榕坚    时间: 2009-7-25 10:48

Can you upload your file?Thx!
namtran 发表于 2009-7-25 09:49
稍稍变通一下。

附件: 1.sgf (2009-7-25 10:48, 4.34 KB) / 下载次数 10
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作者: namtran    时间: 2009-7-25 11:00

Good! Very cool! Thanks!
作者: inRm    时间: 2009-7-25 12:48

从附件中看这里有几个问题:
1、由输入方程构造的曲线不能保留痕迹,因此想构造一条圆上的点的轨迹来替代。但是圆上的点也是动点,这样轨迹线不能跟着该点动;
2、多点驱动轨迹这是目前所有画板中的难题。
要 ...
榕坚 发表于 2009-7-25 09:20
“多点驱动轨迹”是什么意思?
作者: 榕坚    时间: 2009-7-25 16:52

“多点驱动轨迹”是什么意思?
inRm 发表于 2009-7-25 12:48
即多个约束点带动一个轨迹点的轨迹,实际上本问题即为一例。包括弹簧的构造。实际上就是轨迹法构造空间曲线。




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