?? 計算機圖形學(xué)復(fù)習(xí)題.htm
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align=left><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">b．不同的學(xué)科，研究對象和數(shù)學(xué)基礎(chǔ)都不同，但它們之間也有可轉(zhuǎn)換部分<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN-TOP: 6pt; TEXT-INDENT: 17pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">c．同一學(xué)科在不同場合的不同稱呼而已<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN-TOP: 6pt; TEXT-INDENT: 17pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">d．完全不同的學(xué)科，兩者毫不相干<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 6pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">3、觸摸屏是(<SPAN
style="mso-spacerun: yes">
</SPAN>)設(shè)備。<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN-TOP: 6pt; TEXT-INDENT: 17pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">a．輸入<SPAN
style="mso-spacerun: yes"> </SPAN>b．輸出<SPAN
style="mso-spacerun: yes"> </SPAN>c．輸入輸出<SPAN
style="mso-spacerun: yes">
</SPAN>d．即不是輸入也不是輸出<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN-TOP: 6pt; TEXT-INDENT: 17pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'"><![if !supportEmptyParas]><![endif]> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 6pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left"
align=left><B style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">二、填空題</SPAN></B><SPAN
lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">(15分)<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">1.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">正負法通常把平面分成三個區(qū)域，分別是<U>ˍˍˍˍˍˍˍˍˍˍ</U>區(qū)使ｆ<SPAN
lang=EN-US>(x，ｙ)＞０，<U>ˍˍˍˍˍˍˍˍˍˍ</U>區(qū)使ｆ(x，ｙ)＜０，<U>ˍˍˍˍˍˍˍˍˍˍ</U>區(qū)使ｆ(x，ｙ)＝０（曲線本身）。<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">2.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><U><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">ˍˍˍˍˍˍˍˍˍˍ</SPAN></U><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">顯示器不能擦去局部圖形，只能用于靜顯示，常用于顯示大量而復(fù)雜穩(wěn)定的圖形。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">3.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">具有<SPAN
lang=EN-US>256級灰度、分辨率為1024*1024個象素陣列的光柵掃描式顯示器需要<U>ˍˍˍˍˍˍˍˍˍˍ</U>K的緩沖器。<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">4.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">生成直線的四點要求是<U>ˍˍˍˍˍˍˍˍˍˍ</U>，<U>ˍˍˍˍˍˍˍˍˍˍ</U>，<U>ˍˍˍˍˍˍˍˍˍˍ</U>，<U>ˍˍˍˍˍˍˍˍˍˍ</U>。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">5.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">將多邊形外部一點<SPAN
lang=EN-US>A與某一點B用線段連接，若此線段與多邊形邊界相交的次數(shù)為 <U>ˍˍˍˍˍˍˍˍˍˍ</U>，<SPAN
style="mso-spacerun: yes">
</SPAN>則點B在多邊形外部，若此線段與多邊形邊界相交的次數(shù)為<U>ˍˍˍˍˍˍˍˍˍˍ</U>，則點B在多邊形內(nèi)部，<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">6.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">掃描線的連貫性是多邊形區(qū)域連貫性在<U>ˍˍˍˍˍˍˍˍˍˍ</U>
的反映；邊的連貫性是多邊形區(qū)域連貫性在<U>ˍˍˍˍˍˍˍˍˍˍ</U>的反映。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">7.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">用于減少或克服在“光柵圖形顯示器上繪制直線、多邊形等連續(xù)圖形時，由離散量表示連續(xù)量引起的失真”的技術(shù)叫<U>ˍˍˍˍˍˍˍˍˍˍ</U>。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">8.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">繪制圓弧時的終點判別，規(guī)定離<SPAN
lang=EN-US>X軸近的終點，以<U>ˍˍˍˍˍˍˍˍˍˍ</U>來計長，而離Y軸近的終點，以<U>ˍˍˍˍˍˍˍˍˍˍ</U>來計長，<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 6pt 0cm 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 150%; TEXT-ALIGN: left; mso-list: l0 level1 lfo2"
align=left><![if !supportLists]><SPAN lang=EN-US
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">9.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">二次曲線的參數(shù)方程<SPAN
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<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1025"
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</xml><![endif]-->，當(dāng)<U>ˍˍˍˍˍˍˍˍˍˍ</U>時，是拋物線，當(dāng)<U>ˍˍˍˍˍˍˍˍˍˍ</U>時，是雙曲線，當(dāng)<U>ˍˍˍˍˍˍˍˍˍˍ</U>時，是橢圓。<o:p></o:p></SPAN></SPAN></P>
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style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">10.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN><![endif]><SPAN
style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">凸多邊形窗口的二維線裁剪<SPAN
lang=EN-US>Cyrus-Beck算法中，若N<SUB>i</SUB>·(P<SUB>2</SUB>-P<SUB>1</SUB>)=0，說明<U>ˍˍˍˍˍˍˍˍˍˍ</U>，此時<A
name=OLE_LINK1>若<U>ˍˍˍˍˍˍˍˍˍˍ</U>，繼續(xù)處理第i+1條邊，</A>若<U>ˍˍˍˍˍˍˍˍˍˍ</U>則停止裁剪，結(jié)束算法。<U><o:p></o:p></U></SPAN></SPAN></P>
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style="FONT-FAMILY: 宋體; mso-hansi-font-family: 'Times New Roman'">11.<SPAN
style="FONT: 7pt 'Times New Roman'">
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