发表于 2009-1-5 19:48
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璇诲彇DXF鏍煎紡鏂囦欢
鍙戝竷: 2008-6-26 13:05 | 浣滆: admin | 鏌ョ湅: 64娆
OpenGL鏄編鍥絊GI鍏徃鏈鏂版帹鍑虹殑涓濂楀紑鏀惧紡鐨勪笁缁村浘褰㈣蒋浠舵帴鍙ｏ紝閫傜敤浜庡箍娉涚殑璁＄畻鏈虹幆澧冿紝浠庝釜浜鸿绠楁満鍒板伐浣滅珯锛孫penGL閮借兘瀹炵幇楂樻ц兘鐨勪笁缁村浘褰㈠姛鑳姐侽penGL鏈韩涓嶄粎鎻愪緵瀵圭畝鍗曞浘鍏冪殑鎿嶄綔鍜屾帶鍒讹紝杩樻彁渚涗簡璁稿鍑芥暟鐢ㄤ簬澶嶆潅鐗╀綋鐨勫缓妯°備絾鏄紝鎴戜滑閫氬父鍠滄浣跨敤AutoCAD鍜3DS鍙3Dmax绛夊伐鍏锋潵寤虹珛妯″瀷锛屽苟涓旀垜浠凡缁忔湁浜嗗緢澶氳繖鏍风殑妯″瀷锛岄偅涔堟垜浠浣曟墠鑳借祫婧愬叡浜紝閬垮厤閲嶅鍔冲姩鍛紵鍒╃敤CAD鍥惧舰鏍囧噯鏁版嵁浜ゆ崲鏍煎紡鈥旸XF鏍煎紡锛屾垜浠氨鑳藉緢瀹规槗鍦板疄鐜拌祫婧愬叡浜紝鑰屼笉闇瑕侀噸澶嶅缓妯°
DXF鏂囦欢鐨勭粨鏋勫緢娓呮锛屽叿浣撳涓嬶細
1. 鏍囬娈碉紙HEADER 锛
鏈夊叧鍥惧舰鐨勪竴鑸俊鎭兘鍙互DXF 鏂囦欢鐨勮繖涓鑺傛壘鍒帮紝姣忎竴涓弬鏁板叿鏈変竴涓彉閲忓悕鍜屼竴涓浉鍏冲笺
2. 琛ㄦ
杩欎竴娈靛寘鍚殑鎸囧畾椤圭殑瀹氫箟锛屽畠鍖呮嫭锛
a銆
绾垮舰琛紙LTYPE锛
b銆
灞傝〃锛圠YER锛
c銆
瀛椾綋琛紙STYLE锛
d銆
瑙嗗浘琛紙VIEW锛
e銆
鐢ㄦ埛鍧愭爣绯荤粺琛紙UCS锛
f銆
瑙嗙獥閰嶇疆琛紙VPORT锛
g銆
鏍囨敞瀛椾綋琛紙DIMSTYLE锛
h銆
鐢宠绗﹀彿琛紙APPID锛
3. 鍧楁锛圔LOCKS锛
杩欎竴娈靛惈鏈夊潡瀹氫箟瀹炰綋锛岃繖浜涘疄浣撴弿杩颁簡鍥惧舰绉嶇粍鎴愭瘡涓潡鐨勫疄浣撱
4. 瀹炰綋娈碉紙ENT99vIES 锛
杩欎竴娈靛惈鏈夊疄浣擄紝鍖呮嫭浠讳綍鍧楃殑璋冪敤銆
5. END OF FILE锛堟枃浠剁粨鏉燂級
涓嬮潰鏄DXF鐨勫熀鏈粨鏋勪妇涓瀹炰緥杩涜璇存槑锛
0 0 鍚庢帴SECTION
SECTION 琛ㄦ槑杩欐槸涓涓鐨勫紑濮
2 2 鍚庢帴鐨勬槸娈靛悕
HEADER 璇存槑璇ユ鏄疕EADER 娈碉紙鏍囬娈碉級
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$ACADVER 鏂囦欢鏄敱AUTOCAD 浜х敓鐨
1
AC1008
9 9 鍚庢帴 $UCSORG
$UCSORG 鐢ㄦ埛鍧愭爣绯诲師鐐瑰湪涓栫晫鍧愭爣绯讳腑鐨勫潗鏍
10 10 瀵瑰簲 X
0.0 X 鐨勫
20 20 瀵瑰簲 Y
0.0 Y 鐨勫
30 30 瀵瑰簲 Z
0.0 Z 鐨勫
9
$UCSXDIR 杩欐槸涓娈典笉澶浉鍏崇殑閮ㄥ垎锛岀暐鍘
10
1.0
... ....
9 9 鍚庢帴 $EXTMIN
$EXTMIN 璇存槑涓夌淮瀹炰綋妯″瀷鍦ㄤ笘鐣屽潗鏍囩郴涓殑鏈灏忓
10 10 瀵瑰簲 X
-163.925293 X 鐨勫
20 20 瀵瑰簲 Y
-18.5415860.0 Y 鐨勫
30 30 瀵瑰簲 Z
78.350945 Z 鐨勫
9 9 鍚庢帴 $EXTMAN
$EXTMAX 璇存槑涓夌淮瀹炰綋妯″瀷鍦ㄤ笘鐣屽潗鏍囩郴涓殑鏈澶у
10 10 瀵瑰簲 X
202.492279 X 鐨勫
20 20 瀵瑰簲 Y
112.634300 Y 鐨勫
30 30 瀵瑰簲 Z
169.945602 Z 鐨勫
0 0 鍚庢帴 ENDSEC
ENDSEC 璇存槑杩欎竴娈电粨鏉熶簡
0 0 鍚庢帴SECTION
SECTION 琛ㄦ槑杩欐槸涓涓鐨勫紑濮
2 2 鍚庢帴鐨勬槸娈靛悕
TABLES 璇存槑璇ユ鏄疶ABLES 娈碉紙琛ㄦ锛
... ... ... ... 璇ユ瀵规垜浠笉澶浉鍏筹紝姝ゅ鐣ュ幓涓嶈繘琛岃鏄
0 0 鍚庢帴 ENDSEC
ENDSEC 璇存槑杩欎竴娈电粨鏉熶簡
0 0 鍚庢帴SECTION
SECTION 琛ㄦ槑杩欐槸涓涓鐨勫紑濮
2 2 鍚庢帴鐨勬槸娈靛悕
ENT99vIES 璇存槑璇ユ鏄疎NT99vIES 娈碉紙瀹炰綋娈碉級杩欐槸鎴
0 浠璇︾粏璇存槑鐨勬锛岃娈靛寘鍚簡鎵鏈夊疄浣撶殑
POLYLINE 鐐圭殑鍧愭爣鍜岀粍鎴愰潰鐨勭偣搴忋0鍚庢帴POLYLINE
8 琛ㄦ槑浠ヤ笅鏁版嵁鏄浜庝竴涓柊鐨勫疄浣擄紱
OBJECT01 8鍚庢帴鐨勫瓧绗︿覆鏄繖涓疄浣撶殑鍚嶇О
66
1
70 浠66 1 鍒70 64
64 璇存槑璇ュ疄浣撴槸鐢辫澶氬皬骞抽潰缁勬垚鐨
71
38 71 38璇存槑璇ュ疄浣撳叡鏈38 涓偣
72
72 72 72 璇存槑璇ュ疄浣撶敱72 涓笁瑙掑舰鏋勬垚
0 0 VERTEX
VERTEX 琛ㄦ槑鍚庨潰绱ц窡鐫鐨勬槸瀹炰綋鐨勬暟鎹
8
OBJECT01
10 瀵瑰簲X 鍧愭爣
-163.925293 X 鐨勫
20 瀵瑰簲Y 鍧愭爣
-17.772665 Y 鐨勫
30 瀵瑰簲Z 鍧愭爣
128.929947 Z 鐨勫
70 70 192
192 琛ㄦ槑涓婇潰鐨勬暟鎹俊鎭槸鐐圭殑鍧愭爣
0 姣忎竴涓粠0 VERTEX 鍒70 192 涔嬮棿
VERTEX 鐨勪竴灏忔鏄偣鐨勫潗鏍
... ... ...
70
192
0
VERTEX
8
OBJECT01
10
0
20
0
30
0 褰70 鍚庤窡128 鏃讹紝琛ㄦ槑璇ュ疄浣撶殑姣忎釜鐐圭殑鍧愭爣鏁版嵁宸茬粡璁板綍
70 瀹屼簡锛屼笅闈㈢揣璺熺潃鐨勬槸璁板綍杩欎簺鐐规槸浠ヤ粈涔堟牱鐨勬柟寮忕粍鍚堟垚鍚
128 涓笁瑙掑舰銆
71 71銆72銆73 鍚庨潰璺熺潃鐨勫艰〃鏄庢煇涓涓笁瑙掑舰鏄浜屼釜銆佺
2 涓涓佺鍥涗釜鐐规瀯鎴愮殑锛岀偣鐨勯『搴忔槸鎸夌収璁板叆DXF 鏂囦欢鐨勯『
72 搴忋傚綋鏌愪竴鍊间负璐熸暟鏃讹紝鍒欒〃鏄庤鐐瑰埌涓嬩竴鐐圭殑绾夸笉瑕佺敾鍑猴紝
1 濡傛灉瑕佺敾涓夌淮瀹炰綋鐨勭嚎鍨嬪浘锛屽氨蹇呴』浣跨敤杩欎竴鐗规э紝鍚﹀垯绾挎潯
73 灏嗕細鍑虹幇绱婁贡銆
-4
0
VERTEX
... ... ... ...
0 0 鍚庢帴SEQEND 琛ㄦ槑璇ュ疄浣撶殑鏁版嵁宸茬粡鍏ㄩ儴璁板綍瀹屼簡
SEQEND
8
OBJECT01
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POLYLINE 0 鍚庢帴POLYLINE 琛ㄦ槑浠ヤ笅鍙堟槸涓涓柊鐨勫疄浣
... ... ... ...
0
ENDSEC 0 鍚庢帴ENDSEC 琛ㄦ槑杩欐槸璇ユ鐨勭粨灏
0
EOF 0鍚庢帴EOF 琛ㄦ槑杩欎釜DXF 鏂囦欢缁撴潫浜
鍦―XF鏂囦欢涓紝鎴戜滑鏈鍏冲績鐨勬槸濡備綍寰楀埌妯″瀷涓婂悇涓偣鐨勫潗鏍囷紝骞朵笖鐢ㄨ繖浜涚偣杩炴垚璁稿涓笁鐢ㄥ舰锛屾瀯鎴愰潰锛岃繘鑰岀粯鍒跺嚭鏁翠釜妯″瀷銆傚湪DXF鏂囦欢鐨勭粨鏋勪腑锛屾垜浠凡缁忕湅鍒帮紝DXF鏂囦欢鍏堝彊杩板疄浣撲笂鍚勪釜鐐圭殑鍧愭爣锛岀劧鍚庡彊杩板疄浣撲笂鏈夊灏戜釜闈紝姣忎釜闈㈢敱鍝簺鐐规瀯鎴愩傝繖鏍凤紝鎴戜滑鑷冲皯闇瑕2涓暟缁勬潵瀛樺偍涓涓疄浣撶殑淇℃伅锛屼竴涓敤浜庡瓨鍌ㄧ偣鐨勫潗鏍囷紝涓涓敤浜庡瓨鍌ㄧ偣搴忥紝鎴戜滑鍙互鎶婅繖2涓暟缁勬斁鍒颁竴涓粨鏋勪腑锛屽鏋滄ā鍨嬩腑瀹炰綋鐨勬暟鐩笉姝竴涓槸锛屾垜浠氨鐢ㄨ繖涓粨鏋勬潵瀹氫箟涓涓暟缁勩傚湪鏈枃涓紝鎴戜滑浣跨敤 Visual C++ 6.0 鏉ュ啓涓涓鍙朌XF鏂囦欢鐨勫皬绋嬪簭銆
鍦ㄥ疄闄呭簲鐢ㄤ腑锛屾ā鍨嬩腑瀹炰綋鐨勬暟鐩互鍙婂疄浣撲腑鐐瑰拰闈㈢殑鏁扮洰閮芥槸涓嶅畾鐨勶紝涓轰簡鏈夋晥鍦板埄鐢ㄥ唴瀛橈紝鎴戜滑閫夋嫨MFC绫诲簱涓殑鑱氬悎绫籆obArray绫绘墍鍒涘缓鐨勫璞ertex, sequence鏉ュ瓨鍌ㄥ拰绠＄悊瀹炰綋鐨勭偣鍧愭爣鍜岀偣搴忋
CObArray绫绘槸涓涓敤鏉ュ瓨鏀炬暟缁勭被鐨勮仛鍚堢被锛屽畠鑳芥牴鎹瀛樿繘鏉ョ殑鏁扮粍锛堟垨缁撴瀯锛夊灏戣嚜鍔ㄨ繘琛岃嚜韬ぇ灏忕殑楂橀燂紝鑰屼笖杩欎釜绫绘湰韬叿鏈夌殑鎴愬憳鍑芥暟浣垮緱鎴戜滑瀵瑰畠鐨勫璞＄殑鎿嶄綔鏇村姞鏂逛究銆佸揩鎹凤紝鐢ㄥ畠缂栫殑绋嬪簭涔熸槗浜庤鎳傘
涓夌淮瀹炰綋妯″瀷鐨勬ā鍨嬩俊鎭腑鐨勪竴閮ㄥ垎淇℃伅鍙互鍦ㄦ爣棰樻涓鍑猴紝閫氳繃璇诲彇鍙橀噺鍚嶄负锛刄CSORG鐨勪笁涓彉閲忥紝鍙互寰楀埌涓夌淮瀹炰綋鍦ㄤ笘鐣屽潗鏍囩郴涓嚜韬墍瀹氫箟鐨勭敤鎴峰潗鏍囩郴鍘熺偣鐨勪笁缁村潗鏍囥傞氳繃璇诲彇锛凟XTMAX锛岋紕EXTMIN鍙互鑾风煡涓夌淮瀹炰綋鍦ㄤ笘鐣屽潗鏍囩郴涓殑鑼冨洿锛岃屽叾瀹冮儴鍒嗙殑淇℃伅鍙湁璇诲畬浜嗗叏閮―XF鏂囦欢鍚庢墠鍙互閫氳繃璁＄畻纭畾銆傚浜庝笁缁村疄浣撴ā鍨嬬殑鍏ㄩ儴鐐瑰潗鏍囥佺偣搴忥紝鍙互鍦ㄥ疄浣撴涓寜鐓у墠闈粙缁嶇殑DXF鏂囦欢鍩烘湰缁撴瀯璇诲嚭銆傜幇鍦ㄦ垜浠紑濮嬪啓杩欎釜绋嬪簭銆
