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焦点と通る点で決まる楕円


このモードは、2つの焦点と1つの通る点で定義される楕円を描きます。焦点1,焦点2,通る点の順に点をクリックします。



要約

2つの焦点と1つの通る点で定義される楕円を描く。

注意

シンデレラは描画を連続的に行うために、自由要素を動かすと楕円が双曲線に変わってしまうことが起こりえます。これは、焦点の一つが無限遠点を通るときに起こりえます。


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Contributors to this page: Akira Iritani .
Page last modified on Wednesday 27 of July, 2011 [13:31:01 UTC] by Akira Iritani.

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