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style="mso-ignore: vglayout" clear=all><SPAN lang=EN-US>1</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、已知一直線段起點(diǎn)（</SPAN><SPAN 
lang=EN-US>0</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>0</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">），終點(diǎn)（</SPAN><SPAN 
lang=EN-US>-8</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>6</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">），利用</SPAN><SPAN 
lang=EN-US>Bresenham</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">算法生成此直線段，寫出生成過(guò)程中坐標(biāo)點(diǎn)及誤差</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">ε</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的變化情況。并在下面的方格中，標(biāo)出直線上各點(diǎn)</SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、給定四個(gè)頂點(diǎn)</SPAN><B 
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US>P</SPAN></B><SUB><SPAN 
lang=EN-US>0</SPAN></SUB><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN 
lang=EN-US>10</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>10</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">），</SPAN><B 
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US>P</SPAN></B><SUB><SPAN 
lang=EN-US>1</SPAN></SUB><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN 
lang=EN-US>10</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>110</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">），</SPAN><B 
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US>P</SPAN></B><SUB><SPAN 
lang=EN-US>2</SPAN></SUB><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN 
lang=EN-US>110</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>110</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">），</SPAN><B 
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US>P</SPAN></B><SUB><SPAN 
lang=EN-US>3</SPAN></SUB><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN 
lang=EN-US>110</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>10</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">），采用二次</SPAN><SPAN 
lang=EN-US>B</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">樣條曲線繪出光滑封閉曲線的形狀示意圖。采用繪出插值段點(diǎn)的三次</SPAN><SPAN 
lang=EN-US>B</SPAN><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">樣條曲線的形狀示意圖。</SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN 
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">要求：簡(jiǎn)要說(shuō)明作圖過(guò)程，保留作圖輔助線，作出（或文字說(shuō)明）曲線上各特征點(diǎn)的切線矢量。</SPAN></P>
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