

                                     ਫ C

                                  ⥦

              ⥬ AutoCAD  ᯮ짮 ᠬ  ᥡ,  
           । ⥦.      㣨 ணࠬ 
           室 ஢ ⥦, ᮧ ⥬ AutoCAD,
                ⢫     ⥦      㣨
           ணࠬ,    業,     뢮    
           ⥬ AutoCAD.
              ਬ, ᫨   ᮧ  ⥪  ⥦    
           ⥬ AutoCAD,  ᯮ  "⠢"      ࠦ
           , ३   ..,      ⢨ ࠡ 䠩
           ⥦   ⠢ ᬥ   ਠ   ᥬ ⠬, 
             ।   ॡ  ࣨ,   室     頤,
           ⢠  ⨯  ஥. 㣨 ਬ஬  㦨
           ᯮ짮 ⥬  AutoCAD   ᠭ  ,  
           ⥬ ।   ᫨⥫ 設  ஢
           ୮    ⮤   ⮢.    
           ᫨ 殮   ᬥ饭,   ⥬  ।  ଠ
           ⭮   ࠦ  ନ஢      
           ⥬ AutoCAD.
                  ⥦ ⥬ AutoCAD ࠭  祭
           ᦠ⮬  ଠ,     ணࠬ  짮⥫  ।⢥
              ଠ 㤭. ஬ ⮣, ࠧ 設
           ॠ樨  ⥬   AutoCAD      ᯮ짮   ࠧ
           ७ ଠ     , ࠭   祭
           ᨬ쭮  ந⥫쭮   ᫨⥫쭮   設,   
           ன 饭  ⥬ AutoCAD.   ᯥ祭  
            䠩  ⥦  ࠧ묨 設묨 ॠﬨ
           ⥬ AutoCAD,    ⠪    ⥬  AutoCAD    㣨
           ணࠬ    ।  ଠ  䠩  "  ⥦".
             ଠ   ਭ  ᥬ   設묨  ॠﬨ
           ⥬ AutoCAD,     ८ࠧ 
             ७ 䠩 ⥦, ⠪  .

                C.1    (DXF)  ⥦   ASCII

               ࠧ  뢠 ଠ  䠩 DXF  (  ⥦)  
           , ᯥ稢騥  ⥭     䠩. DXf 䠩
            ⠭묨    ⥪⮢묨  䠩  ASCII.    
                ࠭᫨஢     ଠ   㣮   ⥬
           ஥஢            㣨   ணࠬ   
           ᯥ樠஢ .

                .1.1  DXFOUT -  䠩 DXF

                ⢨     䠩     ⥦  
           ᭮  饣   䠩  ⥦        
           ।  ⥦   DXFOUT.        ᫥騩
           ଠ:
                Command: DXFOUT  File name:(name or RETURN)
                (: DXFOUT   䠩:(  RETURN))
               㬮砭     室 䠩    ᠬ
           ,    ⥪饣 ⥦,  ⮫쪮  ⨯ 䠩 ".DXF".
           ᫨      䠩   ,   砩  
           ⨯ 䠩;  ।,   ⨯ 䠩  ".DXF". ᫨  䠩 
           ⠪  㦥 ,   㤠.
              :  室   䠩,  祭      
           DXFOUT,     ଠ DXF,    ᨨ
           2.0 ⥬  AutoCAD   ᠭ    ਫ. ᫨ 
           室   ࠡ    ᨥ  १ ୨樨
           ᫥ ࠡ     ࠭  ᨥ  ⥬  AutoCAD    
           室   䠩  DXF  ண  ⨯,    ⢥  
           ਣ襭 "File  name" /"  䠩"/  ",OLD". 
            ।⠢  ।⢮ ६ ८ࠧ  
           饩 ᨨ ⥬ 㤥 ᪫祭.
              쪮      室  ଠ    DXFOUT  
           訢     筮          ᥫ  
           饩  ⮩     ᪠    뢮  䠩  DXF,
           ᮤঠ騩 ⮫쪮 ࠭ ꥪ.
                Enter decimal places of accuracy (0 to 16) (or entities)
                <6>:
                ( ⢮  ࠧ冷  
                筮 ( 0  16) ( ਬ⨢) <6>:)
              ᫨   ⢥    "Entities" (  "E"), DXFOUT
               ꥪ,      䠩
           DXF.   室  䠩    祭  ⮫쪮  ࠭  
           ꥪ -  ⠡ ᨬ   (  ।  )  
            祭.  ᫥ ⮣,     롥  㦭  ꥪ,
           AutoCAD ᭮  ॡ㥬 筮 ।⠢ ᥫ.
                Enter decimal places of accuracy (0 to 16) <6>:

                .2    DXFIN - 㧪 䠩 DXF

                  ⥦      ८ࠧ    ⥦
           ⥬ AutoCAD     DXFIN. ० ᥣ  
           ।  ⥦,   ᯮ     "Create  new  drawing"
           /"   ⥦"/     .  ⥬  뤠
            DXFIN.
                Command: DXFIN  File name:(name)
                (:DXFIN   䠩:())
                㦠 䠩  ⥦.
                ⮣   ⮡  㧨     䠩  DXF,    
           ᯮ짮 DXFIN  ⮫쪮     ᮧ  ⥦  ।
           稢 - ᪨ ਬ⨢.  㦥
           訡    ⥦ 뢠. ᫨ 室 
           ࠢ,     ⠭  ⥭⮢  ⥦  ᯮ
           ⮬᪮ ⠡஢    ZOOM ALL.
              ᫨ ⥪騩  ⥦   , DXFIN  㤥 㦠 ⮫쪮
           ࠧ   DXF 䠩,  ਬ⨢, 㦥
             ⥪饬   ⥦.     ⮬  砥,  DXFIN  㤥  뢮
           ᮮ饭:
                Not a new drawing -- only ENTITIES section will be input
                (⥦   -- ⮫쪮 ࠧ  㤥 )
              ᫨ 訡  뫨 㦥   ⠪ 筮 DXF,
           ⥦ 頥  ﭨ,   ஬    믮
            DXFIN.   ⨢  砥    ਬ⨢
            ᮢ.

                .3   ଠ 䠩 DXF

                 ࠧ  ⠫쭮  뢠  ଠ  䠩  DXF.
            ᮤন  让 ꥬ  孨᪮ ଠ樨,  
           室   ⮫쪮   ⮬ 砥,   ࠡ⪨ 䠩
           DXF    ᢮  ᮡ⢥ ணࠬ.   ⨢  砥
            ࠧ  .
              ⭮, 뫮    讣 ⥦  䠩
           DXF,  뢥            ᬮ७  ਠ,
           ।⠢ ,  ६   ६        
           ⢥ ਬ.

                C.3.1   䠩

                 ⥦ ।⠢  ᮡ   ⥪⮢
           䠩 ⨯  ".DXF"    ASCII,   ஬ 室 ⥪⮢
           ଠ   ᯥ樠쭮   ଠ.  DXF ࣠
           ᫥騬 ࠧ:
           1.      /HEADER/ -     ࠧ  䠩  DXF
                ᮤন   ଠ    ⥦.    ࠬ
                  ६  ᮮ⢥饥  祭.
           2.       /TABLES/  -      ࠧ  ᮤঠ
                ।  ⮢.
                  o     ⨯  (LTYPE)
                  o     ᫮
                  o     ⨯ ⮢
                  o     
           3.       /BLOCKS/  -      ࠧ  ᮤঠ
                ᪨ ਬ⨢ । ,  뢠
                ਬ⨢, 室騥  ⠢   ࠦ.
           4.      /ENTITIES/ -   ࠧ ᮤঠ
                ᪨ ਬ⨢  ⥦,      뫪  
                .
           5.    
              ᫨  ᯮ  "Entities"  DXFOUT, 室
           DXF 䠩  㤥 ᮤঠ ⮫쪮 ᥪ樨    ,
            ࠧ   㤥  ࠦ ⮫쪮  ࠭    
           뢮 ਬ⨢.
               DXF  ⮨    ⢠  㯯,      
             ப  䠩 DXF.  ࢮ ப ࠧ頥 
           㯯,  ।⠢ ᮡ ⥫쭮 㫥 楫
           ᫮, 饥  ଠ "I3"  몠   (  ஢
           ࠢ ᫮,    ஡    ᨬ쭮  ).
            ப 㯯 ।⠢ ᮡ 祭 㯯, 饥
           ଠ,        ⨯  㯯,    
           㯯.
              ᢮     㯯      ⮣,    
           뢠   䠩.   祭, ஥      㯯,
           ।   㯯 ᫥騬 ࠧ:
                    㯯   ⢥饥 祭
                  0 - 9                   ப
                  10 - 59                  饩 ⮩
                  60 - 79                 
               ࠧ,  ணࠬ        祭,
           ᮮ⢥饥   㯯,    ଠ樨    ⭮
           ᯮ짮 ⮩  㯯   䠩. ଠ ।⠢
           祭   䠩 DXF        ⠭  ࠬ஢  
             UNITS:   न  ᥣ   ।⠢      
            ᥫ  ( ᫨  祭 訥,    
           祭),   㣫 ᥣ  ।⠢     
           ࠤᮢ, 祬      ࠢ    ⮪  
           砫 न.
              ६, 窨  室     ⠡    ᪨
           ਬ⨢ 뢠     㯯,    ।⠢
           ,       ⨯   /  ,  ᫥  祣  ᫥
           ᫥  㯯,    ।⠢  ᮡ  祭,
           易  ⨬ ⮬. ஬ ⮣,  ࠧ⥫ 䠩,
           ⠪   ⪨   砫 ࠧ, ⠡  ᠬ 䠩,
           ᯮ ᯥ樠 㯯.
              ᪨ ਬ⨢,  窨 室   ⠡   ࠧ⥫
           䠩 ᥣ      㯯  0,  ன ᫥
           , 뢠饥 .

                C.1.3.2  㯯

               㯯  ᯮ   㪠 ⨯ 祭 㯯,
            﫮  ,    㪠  饣 祭 㯯.
           樠쭠  㭪     㯯         䠪᪮
           ६,      ⠡      ᠭ   ᪮
           ਬ⨢.    ࠧ  㪠  饥  祭  㯯,
           祬 ,   ᥣ  믮          㭪,
           ⬥祭 ᫮ "(䨪஢)".
           0          ⠭ 砫  ᪮ ਬ⨢, 室 
                      ⠡,   ࠧ⥫ 䠩.  祬  
                      , 㪠뢠 ᫥饥   ⥪⮢ 祭.
           1          ࢨ筮   ⥪⮢   祭      ᪮
                      ਬ⨢.
           2          ; ⥫ ਡ,  ,  ..
           3-5        㣨 ⥪⮢   祭.
           6           ⨯  (䨪஢).
           7           ⨯ ⥪⮢  (䨪஢).
           8           ᫮ (䨪஢).
           9          䨪  ६ (ᯮ ⮫쪮 
                      ࠧ  䠩).
           10         ࢨ筠 न   (砫쭠  窠    
                      ⥪⮢ ᪮ ਬ⨢, 業 㦭 
                      ..).
           11-18      㣨 न .
           20         ࢨ筠 न  Y. 祭  ன  न
                      ᥣ ᮮ⢥  祭 ࢮ  न  
                      ᫥ ।⢥    䠩.
           21-28      㣨 न Y.
           30         ࢨ筠 न  Z. 祭  쥩 न
                      ᥣ  ᮮ⢥   祭  ࢮ     ன
                      न  ᫥ ।⢥    䠩.
           31-36      㣨 न Z ( 饬).
           38         ᫨ 㫥  祭,    ꥬ ᪮
                      ਬ⨢ (䨪஢).
           39         ᫨ 㫥  祭,   ⠡ ᪮
                      ਬ⨢ (䨪஢).
           40-48      祭     饩   ⮩   (   ⥪,
                      ⠡ 樥  ..).
           49         ୮ 祭  -   㯯  49  
                          ᪮  ਬ⨢  ⠡
                      ६   (⠪    客  ⠡
                      LTYPE).         ⠡  ।  ࢮ
                      㯯 49 ᥣ ।ᬠਢ 㯯 7.
           50-58      .
           62          梥 (䨪஢).

           66             "        ᪨    ਬ⨢"
                      (䨪஢).
           70-78      ᫥   祭,    ⠪      ⢮
                      ७,  䫠,  ०.
               DXF  ⮨   ࠧ.  ࠧ࠭祭 
           ࠧ ᯮ  㯯 ࠧ⥫ 䠩.  ᫥
           ਬ   䠩 DXF,   ஬  ⮫쪮
           ⪨ ࠧ   ⠡.
                0                         (砫 ࠧ HEADER)
                SECTION
                2
                HEADER
                <<<<   ६ ࠧ HEADER>>>>
                0                         ( ࠧ HEADER)
                ENDSEC                    (砫 ࠧ TABLES)
                0
                SECTION
                2
                TABLES
                0
                TABLE
                2
                LTYPE
                70
                (ᨬ쭮 ⢮ ⮢ ⠡ ⨯ )
                <<<<   ⠡ ⨯ >>>>
                0
                ENDTAB
                0
                TABLE
                2
                LAYER
                70
                (ᨬ쭮 ᫮ ⮢ ⠡ ᫮)
                <<<<   ⠡ ᫮>>>>
                0
                ENDTAB
                0
                TABLE
                2
                STYLE
                70
                (ᨬ쭮 ᫮ ⮢ ⠡ ⥪⮢ ⮢)
                <<<<   ⠡ ⥪⮢ ⮢>>>>
                0
                ENDTAB
                0
                TABLE
                2
                VIEW
                70
                (ᨬ쭮 ᫮ ⮢ ⠡ )
                <<<<   ⠡ >>>>
                0
                ENDTAB
                0
                ENDSEC                    ( ࠧ TABLES)
                0                                 (砫 ࠧ BLOCKS)
                SECTION
                2
                ENTITIES
                <<<<  ਬ⨢ ⥦>>>>
                0
                ENDSEC                    ( ࠧ )
                0
                EOF                       ( 䠩)

                C.1.3.3  

                 (HEADER) 䠩  DXF  ᮤন  ⠭
           祭    ६,    ।⢥  易  
           ⥦.   ६ ⠭      ࠧ
                ⭮     ⠪      ଠ樨,   
           ⮡ࠦ     ᯫ        STATUS.  
           ६ 㪠뢠   ࠧ     㯯 9,
           饩   , ᫥  祣 ᫥  㯯,  ।騥  
           祭. ६ , ᫥騥 㯯   祭
           ਢ   ⠡.
           $ACADVER   1( ᨨ ⥬ AutoCAD)
           $ANGBASE   50(㣮 ࠢ )
           $ANGDIR    70(1=㣫  ᮢ, 0=⨢ ᮢ)
           $ATTMODE   70( ਡ: 0=; 1=ଠ쭠; 2=)
           $AUNITS    70(ଠ UNITS  㣫)
           $AUPREC    70(筮 UNITS  㣫)
           $AXISMODE  70(᫨ 祭  ࠢ ,    祭)
           $AXISUNIT  10  20(ࠧ⪠ ᥩ   Y)
           $BLIPMODE  70(᫨ 祭  ࠢ ,  "祭" ०
                      ⬥⪨  ࠭)
           $CECOLOR   62( 梥 ਬ⨢; 0=BYBLOCK, 256=BYLAYER)
           $CELTYPE   6( ⨯  ਬ⨢,  BYBLOCK  BYLAYER)
           $CHAMFERA  40( ࠬ ᪨)
           $CHAMFERB  40(ன ࠬ ᪨)
           $CLAYER    8( ⥪饣 ᫮)
           $COORDS    70(0=᪮ ⮡ࠦ न, 1=뢭
                      , 2="d<a" ଠ)
           $DIMALT    70(᫨     ,  ࠧ୮      ୠ⨢
                      )
           $DIMALTD   70(᫮    ୠ⨢ )
           $DIMALTF   40(⠡ 樥 ୠ⨢ )
           $DIMASZ    40(稭 ࠧ୮ ५)
           $DIMBLK    2(  ५)
           $DIMCEN    40(ࠧ 業஢ ⮪/)
           $DIMDLE    40(த  ࠧ୮)
           $DIMDLI    40(㢥祭 ࠧ୮ 뭮᭮ )
           $DIMEXE    40(த 뭮᭮ )
           $DIMEXO    40(ᬥ饭 뭮᭮ )
           $DIMLFAC   40(⠡ 樥  ࠧ஢)
           $DIMLIM    70(᫨   ࠢ  ,    ࠡ뢠  ।
                      ࠧ஢)
           $DIMRND    40(祭 㣫  ﭨ ࠧ)
           $DIMSCALE  70(⠡ 樥  ࠧ஢)
           $DIMSE1    70(᫨   ࠢ  ,    ࢠ  뭮᭠  
                      )
           $DIMSE2    70(᫨   ࠢ  ,      뭮᭠  
                      )
           $DIMTAD    70(᫨   ࠢ ,   ⥪  ᯮ  
                      ࠧ୮ )
           $DIMTIH    70(᫨   ࠢ ,   ⥪  ᯮ  
                      ਧ⠫)
           $DIMTM     40(⥫ )
           $DIMTOH    70(᫨   ࠢ ,   ⥪  ᯮ  
                      ਧ⠫)
           $DIMTOL    70(᫨   ࠢ  ,    ࠡ뢠  ᪨
                      ࠧ஢)
           $DIMTP     40(⥫ )
           $DIMTSZ    40( ࠧ஢  客  ࠧ⪨:  0=ࠧ⪨
                      )
           $DIMTXT    40(  ࠧ୮⥩ ⥪)
           $DIMZIN    70(᫨  ,  㫥   ⥪)
           $DRAGMODE  70(0=몫祭, 1=祭, 2=⮬᪮)
           $DRAGP1    70(᪮   ꥬ         ࠭ଠ樨   
                      ॣ樥)
           $DRAGP2    70(᪮ ꥬ   ன ࠭ଠ樨)
           $ELEVATION 40(⠭ ⥪饣 ꥬ    ELEV)
           $EXTMAX    10  20(ࠢ 孨 㣮 । ⥦)
           $EXTMIN    10  20(  㣮 । ⥦)
           $FASTZOOM  70(0=몫祭, 1=祭)
           $FILLETRAD 40(ࠤ ᮯ殮)
           $FILLMODE  70(᫨  ࠢ ,  "祭" ० FILL)
           $GRIDMODE  70(᫨  ࠢ ,  "祭" ० GRID)
           $GRIDUNIT  10  20(ࠧ饭 न⭮ ⪨     Y)
           $HIGHLIGHT 70(1=ᢥ稢     ࠭     ꥪ,     2=
                      ᢥ稢)
           $INSBASE   10   20(⠭   ⠢      
                      BASE)
           $LIMCHECK  70( ࠢ , ᫨ "祭" ஢ઠ ।)
           $LIMMAX    10  20(ࠢ 孨 㣮 ࠭ ⥦)
           $LIMMIN    10  20(  㣮 ࠭ ⥦)
           $LTSCALE   40( ⠡ ⨯ )
           $LUNITS    70(ଠ  UNITS  न  ﭨ)
           $LUPREC    70(筮  UNITS  न  ﭨ)
           $MENU      1( 䠩 )
           $MIRRTEXT  70(᫨  , ⥪ MIRROR)
           $ORTHOMODE 70(᫨  ࠢ ,  "祭" ० ORTHO)
           $OSMODE    70(騩 ० ਢ離 ꥪ)
           $PDMODE    70(० ⮡ࠦ 祪)
           $PDSIZE    40(ࠧ ⮡ࠦ 祪)
           $PLINEWID  40(ਭ   㬮砭)
           $QTEXTMODE 70(᫨     ࠢ  ,     "祭"   ०
                      "ண ⥪")
           $REGENMODE 70(᫨     ࠢ  ,     "祭"   ०
                      REGENAUTO)
           $SKETCHINC 40(६ ᪨ )
           $SKPOLY    70(0=᪨ ﬨ, 1=᪨ 묨)
           $SNAPANG   50(㣮 饭 ⪨ ਢ離)
           $SNAPBASE  10  20(砫  ⪨ ਢ離)
           $SNAPISOPAIR   70(᪠ ᪮: 0= ᫥, 1= ᢥ,
                      2=ࠢ)
           $SNAPMODE  70(᫨     ࠢ  ,     "祭"   ०
                      ਢ離)
           $SNAPSTYLE 70(⨯ ਢ離:0=⠭, 1=᪨)
           $SNAPUNIT  10  20(ࠧ ⪨    Y)
           $TDCREATE  40(/६ ᮧ ⥦)
           $TDINDWG   40(  ६   ।஢     
                      ⥦)
           $TDUPDATE  40(/६ ᫥  ⥦)
           $TDUSRTIMER    40(⠩ 襤襣 ६ 짮⥫)
           $TEXTSIZE  40( ⥪  㬮砭)
           $TEXTSTYLE 7( ⥪饣 ⨯ )
           $THICKNESS 40(⠭ ⥪饩 ⮫騭    ELEV)
           $TRACEWID  40(ਭ   㬮砭)
           $VIEWCTR   10  20(業 ⥪饣   ࠭)
           $VIEWDIR   10, 20   30(⠭  ⥪饩 窨    
                       VPOINT)
           $VIEWSIZE  40( ⥪饣   ࠭)
              :    ਢ ᯨ᮪ ६ 
           DXF 祭    ᯨ ⥬ ६  ਫ ,
              ᯨ᪠   .    ⥫  뫠  
           ࠢ쭮 ᯨ.
              ६     ६  ($TDCREATE    $TDUPDATE)  
           뢮,  ⢨⥫ ᫠  ଠ:
                <Julian date>.<Fraction>
                (<᪠ >.<⮪>)
              ६ ⥪襣  ६ ($TDINDWG   $TDUSRTIMER) 
            ଠ:
                <Number of days>.<Fraction>
                (<᫮ >.<⮪>)

                .1.3.4  

                 (TABLES) 䠩  DXF ᮤন   ⠡,
                  ᢮  ।  ᮤন  ࠧ筮  ᫮
           ⠡ ᥩ.   ᥣ  ᯮ  ⠪ 浪,
               ਢ   ਬ ⮣ 䠩. 
           ⠡  ࠧ TABLES 稭  㯯 0  ⪮ "TABLE"
           //.   ᫥ 㯯 2   ⠡ ("LTYPE",
           "LAYER", "STYLE"     "VIEW"),   - 㯯 70, 
           ᨬ쭮 ᫮  ⠡ ᥩ.     ⥦ 
           ᮤঠ ᪫祭  ,      뢠  
           䠩 DXF.    ࠧ,  ॠ쭮  ᫮  ⮢,  
           ᫥  ᫥    ⠡,        ᫠,
              㯯 70,  ⮬   ᫥ ᯮ짮 ᫮,
              㯯 70,   ⢥     ⥭ ⠡.
           ।ᬮ७,    ணࠬ   ⥭  䠩 DXF 
           ࠧ  ᨢ  ࠭,  ⮡  ࠭    ᫥騥
           ⠡ .
              ᫥      ⠡ ᫥  ⠡ .
             ⠡ ⮨  㯯 0, 饩 ⨯
             (⠪  ,        ⠡,  ..  "LTYPE"  
           "LAYER"), 㯯 2,  ன 㪠뢠  , 㯯 70,
            ன  㪠뢠 䫠,  ⭮騥   ⠡筮  
           (  ⠡ । ),   ⥫ 㯯,
              ਢ 祭  ⠡ ᥩ.   
           ⠡ ⬥砥     㯯 0,    祭
           "ENDTAB".
               ਢ  㯯,  ᯮ   ⨯
           ⠡筮  .          (㭪)   ⠡
           ।⠢   㯯.
           LTYPE      3(⥫  ⥪      ⨯   ),   72(
                      ࠢ),  73(᫮   ⮢    客),
                      40(    ࠧ),  49(   1),
                      49(  2), ...
           LAYER      62( 梥, ⥫, ᫨ ᫮ "몫祭"),
                      6( ⨯  ). ᫨  ᫮ "஦",    1
                      ⠭  䫠 㯯 70.
           STYLE      40(䨪஢  ⥪; ᫨  ⥪ 
                       䨪஢,    0),  50(אַ  㣮),
                      71(䫠 樨  ⥪), 42(ᯮ ,
                         ᫥ ࠧ),  3(  䠩  ⥪⮢
                        ).
                      㭪 ⠡  STYLE ᯮ  ⠪    
                      ᮢ LOAD  (㧪) 䠩  .  ⮬ 砥
                       1 ⠭  䫠 㯯 70,  稬
                       ⮫쪮 3 㯯 (⥬  ,  ⠫
                      㯯  室묨).
           VIEW       40   41 (  ਭ ), 10  20 (業ࠫ쭠
                      窠 ),  11, 21   31(ࠢ   砫
                      ).

                C.1.3.5  

                (BLOCKS) 䠩 DXF ᮤন  ᠭ .
            ࠧ  ᮤন  ਬ⨢,    ⠢  ,
           ᯮ㥬  ⥦. ଠ ਬ⨢, ᮤঠ  
           ࠧ, 祭  ଠ,   ਢ   ᠭ
           ࠧ  ENTITIES,   ⮬      ⠫쭮  ⢠
              㪠 ࠧ.   ᪨  ਬ⨢  
           ࠧ BLOCKS  ࠧ   ⠬ BLOCKS    ENDBLK.
            BLOCK   ENDBLK   ⮫쪮   ࠧ  BLOCKS.
           ᠭ    뢠  묨 (  ,  BLOCK
            ENDBLK     ᯮ   㣮   BLOCK 
           ENDBLK).

                C.1.3.6  

               ᪨  ਬ⨢ ࠧ      ࠧ
           BLOCKS, ⠪     ࠧ  (ENTITIES) 䠩 DXF. ଠ
            ࠧ饭     ⮬      㣮  ࠧ  祭.  
           ਢ ଠ   ᪮  ਬ⨢  ⠪ , 
                ࠧ頥     䠩.    㯯,  
           । ᪨  ਬ⨢, ࠧ   䠩 ᥣ, 
              ⥫묨,    䠩 ⮫쪮
            ⮬  砥, ᫨   ⠪ 祭, ஥ ⫨砥 
            祭   㬮砭.   ਢ  ᠭ    㯯,
            ᥣ   䠩,   㯯  㭪, 
           ⥫  㯯  祭  ᫮  "-⥫쭠  N",
            ᫥ ᫥ ᠭ 㯯. 稭 "N" ।⠢
           ᮡ 祭   㬮砭,  ஥ ਭ  ⮬ 砥,
           ᫨ 㯯 饭.
              ணࠬ,   ⢫ 뢠 䠩,  
           ।,     뢠騥  ᪨  ਬ⨢  㯯
              ⠪ 浪,  ਢ .  㯯,
             ⠢  ᪨  ਬ⨢,    ᫥饩
           㯯  0,   砫     ᪮  ਬ⨢    
           㪠  ࠧ.
              ,   䠩 DXF -   ।⠢  
           ⥦,      室 쭥襣  ᮢ襭⢮  ⥬
           AutoCAD   ᪨ ਬ⨢    ७  ⥩
              㯯.  襩 ணࠬ ࠡ⪨
           DXF       ⠡筮  ࠢ,  ⪠    -
           ।   । 㯯   ᪮  ਬ⨢  
           ய ।     ६ 㯯    
              ஢ 䠩  DXF    ᨩ ⥬
           AutoCAD.
                ᪨   ਬ⨢   稭      㯯   0,
           㪠뢠饩  ⨯. ,  ᯮ  ᪨
           ਬ⨢,   ⠡, ਢ .  ᪨
           ਬ⨢ ᮤন  㯯 8,   ன  ਢ   ᫮, 
           ஬   ﭭ 室. ᫨ ᪨ ਬ⨢ 
           㫥 ꥬ   ⮫騭,  ⨯ ,  ଠ   梥.
           騥 㯯  祭 ⮫쪮   ⮬  砥, ᫨  ਬ⨢
             ⫨   祭      ᢮    祭  
           㬮砭.
           6           ⨯   (᫨   "BYLAYER"). 樠쭮 
                      "BYLAYER" 㪠뢠  ⨯  ⢥.
           38         ꥬ (᫨  㫥)
           39         騭 (᫨  㫥)
           62          梥  (᫨   "BYLAYER"). 㫥  祭
                      । "BYBLOCK" (⢥) 梥.
              ⠫  㯯,     ⠢      ᠭ
           ᪮ ਬ⨢, ᫥騥:
           LINE       //
                      10  20 (砫쭠 窠), 11  21(筠 窠)
           POINT      /窠/
                      10  20
           CIRCLE     //
                      10  20 (業), 40(ࠤ)
           ARC        /㣠/
                      10  20 (業), 40 (ࠤ), 50 (砫 㣮), 51
                      ( 㣮)
           TRACE      //
                       窨, 騥 㣫 : 10  20, 11  21,
                      12  22, 13  23
           SOLID      /⥫/
                       窨,  騥 㣫  ᯫ譮  ⥫:  10  
                      (ᯫ譮) 20,  11   21, 12  22, 13  23. ᫨ ⥫
                       ⮫쪮  ஭,  न,  
                       㯯  12  22,13  23      (
                      , 㯯  12   13    㯯  22   23
                      )
           TEXT       /⥪/
                      10   20( ⠢),  40  (),  1  (祭
                      ⥪), 50  (㣮   - ⥫쭠  0), 41
                      (⭮⥫   ⠡    樥        
                      ⥫쭠 1),  51  (㣮  -⥫쭠
                      0), 7 ( ⨯ ⥪-⥫쭠 "STANDARD"), 71
                      (䫠  樨   -  ⥫쭠  0),  72  (⨯
                      ࠢ -  ⥫쭠 0),  11    21  (窠
                      ࠢ -  ⥫쭠;   ⮫쪮  ⮬
                      砥, ᫨   ࠢ  㯯 72)
           SHAPE      /ଠ/
                      10   20 ( ⠢), 40 (ࠧ), 2 ( ),
                      50   (㣮      -   ⥫쭠   0),   41
                      (⭮⥫   ⠡    樥       -
                      ⥫쭠 1),  51( 㣮  - ⥫쭠
                      0)
           BLOCK      //
                      2 (  ), 70  (䫠  ⨯  ),  10    20
                      ( 窠 ).  ⮫쪮  ࠧ BLOCK
           ENDBLK     / /
                      㯯 .  ⮫쪮  ࠧ BLOCK
           INSERT     /⠢/
                      66 (䫠  " ᫥  ਡ" -⥫쭠
                      0), 2  ( ),  10    20  (  ⠢),  41
                      (⠡ 樥    - ⥫쭠 1), 42
                      (⠡ 樥   Y-⥫쭠  1),  50
                      (㣮     -  ⥫쭠   0),  70     71
                      (⢮ ⮫殢  ப -⥫쭠 0), 44 
                      45 (蠣 ⮫殢  ப - ⥫쭠 0)
           ATTDEF     10   20  (砫  ⥪),  40  (  ⥪),  1
                      (祭   㬮砭), 3  (ப ਣ襭),  2
                      (ப), 70  (ਧ ਡ),  73 (   -
                      ⥫쭠 0), 50 ( ⥪ -⥫쭠
                      0), 41 (⭮⥫ ⠡  樥    -
                      ⥫쭠 1),  51  (㣮  -⥫쭠
                      0), 7 ( ⨯ ⥪-⥫쭠 "STANDARD"), 71
                      (ਧ 樨  ⥪ -  ⥫쭠 0),  72
                      (⨯   ࠢ ⥪  - ⥫쭠 0), 11 
                      21  (窠  ࠢ  -  ⥫쭠;  
                      ⮫쪮   ⮬ 砥, ᫨   ࠢ  㯯
                      72)
           ATTRIB     10   20 (砫  ⥪), 40 ( ⥪), 1 (
                      祭),  2   (⥫   ਡ),   70   (ਧ
                      ਡ), 73  (   - ⥫쭠  0),  50
                      (   ⥪    -    ⥫쭠    0),    41
                      (⭮⥫  ⠡   樥         -
                      ⥫쭠 1),  51 (  㣮 -⥫쭠
                      0), 7  ( ⨯  ⥪ -⥫쭠 "STANDARD"),
                      71 (ਧ 樨 ⥪ - ⥫쭠 0), 72
                      (⨯ ࠢ  ⥪ - ⥫쭠 0, 
                      ⮫쪮   ⮬ 砥, ᫨   ࠢ  㯯
                      72)
           POLYLINE   70  (ਧ   ),  40  (砫쭠  ਭ  
                      㬮砭),  41   (筠  ਭ     㬮砭);
                      ਧ        ६  祭  ⮢  1
                      (  )    2  (  ଠ  
                      ࠨ ਢ).  祭  ਭ    㬮砭
                      ⭮   設 (窥 ॣ),  ன
                       祭 ਭ (ᬮ ).
           VERTEX     10     20  (⮯),  40  (砫쭠  ਭ
                      ⥫쭠, ᬮ  ),  41  (筠  ਭ
                      ⥫쭠,   ᬮ    ),    42    (ਢ
                      (㪫)),  70   (ਧ  窨  ॣ),  50
                      (ࠢ  ⥫쭮      ᣫ饩   ਢ
                      ⥫쭠).  㪫   -     ⠭   1/4
                      ७   㣫      ᥣ   㣨,   
                      ⠭  ⥫,   ᫨  ࠢ   㣨
                      뢠     砫쭮  窨    筮  
                      ᮢ ५;  㪫 ࠢ 0  אַ
                      ⪥,       㣫   ⪥  ࠢ  1.  
                      饥 ६  ਧ 窨  ॣ   1
                      (⥫쭠 窠  ॣ,  ࠧ  ⥬
                       ਢ)    2  (।  ⠭  
                      ਢ). 㫥 祭 ⠭  ᪠ 
                      室   DXF,      稬,
                      ᫨     ਧ  窨  ॣ  ⠭  
                      "⠭ ।".
           SEQEND      .     ⮩ 稭 ⬥砥 
                      祪 ॣ  ( ⨯  -VERTEX)     
                        稭   ਡ⮢  (   ⨯  ATTRIB)  
                      ᪮ ਬ⨢ INSERT,   ਡ
                      (।塞      ࠢ  㯯 66 
                      ᪮ ਬ⨢ INSERT).

                .1.3.7 । ਧ ਬ⨢

                 ᪨    ਬ⨢,   ᫥   ,
           ᯮ  ࠧ   祭  䫠   ("ਧ").   
           楫᫥   (㯯 6   7),     ࠧ
           த   ଠ       ᨭ⠪᪮      (᪮
           ਬ⨢).     쭥  ࠣ  뢠  祭
           ࠧ 㯯   ਧ (䫠),  ᯮ 
           ᪨ ਬ⨢.     ᠭ ନ  "஢
           ⭮"  砥,    ਧ  ᮤন  ࠧ  祭
           "⨭"   "",   ஢   㬬  
           祭 ⮢.  ,   ।   ࠧ,
            ஢        ⠭  ࠢ묨
             ஥ 䠩 DXF.


           ਧ " ᫥ ਡ"

               ਧ ᮤন  ⥫쭮 㯯 66, 
            饥  ६ ᯮ  ⮫쪮  ᨭ⠪᪮ 
           INSERT. ᫨  祭, ஥  ᫥  㯯, ࠢ 1, 
           ,  ਡ (ATTRIB) ᫥  ⮬ INSERT.

           ਧ ਡ⮢

               ਧ ᮤঠ  㯯 70,  砥 
           ᨭ⠪᪨     ATTDEF     ATTRIB.      ,
           ஢  ⭮,    ஬  1  砥,    ਡ
           "" (  ⮡ࠦ), 2 砥,  ਡ 
           ﭭ,    4  砥,          ਡ
           ॡ ஢ ஢ન.

           ਧ 樨 ⥪

               ਧ ᮤঠ  ⥫쭮 㯯 71,
           砥  ᨭ⠪᪨  TEXT, ATTDEF  ATTRIB.
            ,  ஢ ⭮,   ஬  2  砥,  
           ⥪ ઠ쭮  ⮡ࠦ   ࠢ   (.. ଠ쭮
           ઠ쭮 ⮡ࠦ),   4 砥,  ⥪ ⮡ࠦ 
           ॢ⮬ .

            ࠢ ⥪

               ਧ ᮤন  ⥫쭮 㯯 72, 
           砥  ᨭ⠪᪨  TEXT, ATTDEF  ATTRIB.
            祭  (  ஢ ⭮) 뢠
           ⨯  ࠢ   ⥪,     ᯮ      
           樨.  0  -  砥  ࠢ      ,  1
           砥 業஢  ⥪, 2  -  砥  ࠢ  
           ࠢ ,   3  㪠뢠,  ⥪ "ࠢ". ᫨ 
           㯯   㫥 祭,     ⮩    ᨭ⠪᪮
           樨    㯯  11   21,  
            ࠢ  ⥪ (業ࠫ,  ࠩ ࠢ   
             ࠢ).

           ਧ ⨯ 

               ਧ  ᮤন  㯯 70,  砥 
           ᨭ⠪᪮  樨   BLKDEF.     ਧ   
           ஢ ⭮,  ⮬ 1 砥,     
           ""  ,ᮧ      客      
            㣨  ७ 権,   2  砥,   
             ਡ.

                .1.4 ᠭ 䥩 ணࠬ DXF

                ᠭ   ணࠬ,    ॠ    
           ⥬ AutoCAD ।⢮ ⬠ ࠡ⪨ ଠ樨 DXF,
               㤭  , 祬    ᠬ .
            DXF    -⠪ ९ ࠧ筮 த
           ଠ樥,      䠩 DXF   ,
               믮.  , 䠩  DXF  ஥  ⠪
           ࠧ, ⮡   ࠡ⪠  ஢   ,  
            ணࠬ.  ଠ ।७ ஥ ⠪ ࠧ,
            ଠ,      㦭,   ᮡ 㤠 
            饭,  뢠 室 ଠ樨 ⢫
           ⠪ 쬠  .   ,  ࠡ뢠 㯯
               浪       㦭 㯯;
           ⮣    㤥 ஡  ⨬ 䠩.
               ⢥  ਬ   ᫥ ணࠬ   몥  BASIC
            "Microsoft",   ⢫  뢠 䠩 DXF 
           롮     㭪     ਬ⨢  LINE   (,   
                  ,   ᪠).      ணࠬ
           ⢫  뢮    ࠭    祪    .  
           ⢥ ࠦ       ணࠬ 
           ᢮ ᫨⥫  設     ⢨ ࠡ
           -  䠩   DXF        ⥦,    ⥬
              ணࠬ, ।ᬮॢ  뢮  न
           業     稭  ࠤ    㦭⥩,    
           ணࠬ 㦨.   ணࠬ  ।    
           ਬ, 騩    孨 ணࠬ஢, 
                  ᯮᮡ  ᠭ  饭  ணࠬ
           ࠡ⪨ 䠩  DXF;   ।⠢  ⢥ ਬ ⮣,
           ᪮쪮   ⮩         ணࠬ,   ⢫
           뢠 䠩 DXF.
                1000 REM
                1010 REM Extract lines from DXF file
                1020 REM
                1030 LINE INPUT "DXF file name: "; A$
                1040 A$=A$+".DXF"
                1050 OPEN "i",1,A$
                1060 REM
                1070 REM Ignore until section start encountered
                1080 REM
                1090 GOSUB 1320
                1100 IF G% <> THEN 1090
                1110 IF S$ <> "SECTION" THEN 1090
                1120 GOSUB 1320
                1130 REM
                1140 REM Skip unless ENTITIES section
                1150 REM
                1160 IF S$ <> "ENTITIES" THEN 1090
                1170 REM
                1180 REM Scan until end of section processing LINEs
                1190 REM
                1200 GOSUB 1320
                1210 IF G% = ) AND S$="ENDSEC" THEN STOP
                1220 IF G%=0 AND S$="LINE" THEN GOSUB 1270 : GOTO 1210
                1230 GOTO 1200
                1240 REM
                1250 REM Accumulate LINE entity groups
                1260 REM
                1270 GOSUB 1320
                1280 IF G%=!) THEN X1=X : Y1=Y
                1290 IF G%=11 THEN X2=X : Y2=Y
                1300 IF G%=0 THEN PRINT "Line from (";X1;",";Y1;
                     ") to (";X2;",";Y2;")" : RETURN
                1310 GOTO 1270
                1320 REM
                1330 REm Read group code and following value
                1340 REM
                1350 INPUT #1, G%
                1360 IF G% < 10 THEN LINE INPUT #1, S$ : RETURN
                1370 IF G% >= 30 AND G% <= 49 THEN INPUT #1, V : RETURN
                1380 IF G% >= 50 AND G% <= 59 THEN INPUT #1, A : RETURN
                1390 IF G% >= 60 AND G% <= 69 THEN INPUT #1, P% : RETURN
                1400 IF G% >= 70 AND G% <= 79 THEN INPUT #1, F% : RETURN
                1410 IF G% >=20 THEN PRINT "Invalid group code ";G% : STOP
                1420 INPUT #1,X
                1430 INPUT #1,G1%
                1440 IF G1% <> (G%+10) THEN PRINT "Invalid Y coord code ";
                     G1% : STOP
                1450 INPUT #1,Y
                1460 RETURN
              ᠭ ணࠬ,   ⢫  ஥  䠩
           DXF,    㤭  祩, ..    ࠭
             ᫥⥫쭮     ।   ⥦,  
            易⥫쭮   ⥬ AutoCAD. ⥬ AutoCAD 
                    䠩 DXF   
              ⥦. ᫨      ॡ  ⠭
           祭 -  ६   ࠧ  ,    
           ࠧ HEADER    饭.   ⠡ ࠧ TABLES
              饭, ᫨     ॡ   -
           ,    ࠧ TABLES   饭, ᫨ 祣
               ॡ.  ᫨   ᠫ -  ⨯   
           ⠡ LTYPE,    ⠡   । ⠡楩
           LAYER. ᫨   ⥦   ᯮ  । ,  
             饭 ࠧ BLOCKS. , ᫨  ,  
            ।  ࠧ ENTITIES.   ।  ࠧ ENTITIES  
            뫠   ᫮,  ᫨    । 
           ⠡ LAYER.   ᫮    ⮬᪨  ᮧ  
            梥  7   ⨯   CONTINUOUS.   䠩 
             EOF.
              ਢ   ணࠬ,   ᠭ  몥 BASIC
             "Microsoft",   ⢫  ஥   䠩  DXF  
           㣮쭨    ᫮  ஭, न⠬  ࠩ
             砫쭮   窨      ஭.    ணࠬ
           ᯥ稢   ଠ樨 ⮫쪮   ࠧ  ENTITIES 䠩
           DXF,   ࠧ頥   ᣥ஢ ᪨  ਬ⨢  
           ᫮ "0",  祭    㬮砭.    ணࠬ  
           ᬠਢ     ⢥  ਬ   쭮  ணࠬ,
            ⢫   䠩 DXF. ..  ணࠬ
            ᮧ  ⥦, ࠭ ⥦, ।  ⥪騩
              ⨬묨 ᫥  믮   DXFIN 
            ⥦,  ନ஢    ⮩  ணࠬ. 
            믮    "ZOOM  E"    뢮  ࠡ⠭
           ⥦  ࠭.  ⥬ ⠭ ࠭ .
                1000 REM
                1010 REM Polygon generator
                1020 REM
                1030 LINE INPUT "Drawing (DXF) file name: "; A$
                1040 OPEN "o",1,A$+".DXF"
                1050 PRINT #1,0
                1060 PRINT #1,"SECTION"
                1070 PRINT #1,2
                1080 PRINT #1,"ENTITIES"
                1090 PI=ATN(1)*4
                1100 INPUT "Number of sides for polygon: ";S%
                1110 INPUT "Starting point (X,Y): ";X,Y
                1120 INPUT "Polygon side: ";D
                1130 A1=(2*PI)/S%
                1140 A=PI/2
                1150 FOR I%=1 TO S%
                1160 PRINT #1,0
                1170 PRINT #1,"LINE"
                1180 PRINT #1,8
                1190 PRINT #1,"0"
                1200 PRINT #1,10
                1210 PRINT #1,X
                1220 PRINT #1,20
                1230 PRINT #1,Y
                1240 NX=D*COS(A)+X
                1250 NY=D*SIN(A)+Y
                1260 PRINT #1,11
                1270 PRINT #1,NX
                1280 PRINT #1,21
                1290 PRINT #1,NY
                1300 X=NX
                1310 Y=NY
                1320 A=A+A1
                1330 NEXT I%
                1340 PRINT #1,0
                1350 PRINT #1,"ENDSEC"
                1360 PRINT #1,0
                1370 PRINT #1,"EOF"
                1380 CLOSE 1
                DXFIN     ࠢ⥫쭮   ॡ⥫쭮  
           ଠ ⮢  .    ப,   ன  
            ,        ࠢ쭮  
           ଠ⮬,  DXFIN , 㤥  ਭ (筮, ப
                  ஡,  ᪫祭 ⮣
           ,        ப).  ਢ  
           ணࠬ ᯮ    室 ଠ,  
           ᫨誮 ६   樨  䠩,  㤥 筮 ⠪
           ,   ᫨      ஢     ⥬
           AutoCAD.
               砥    訡    㧪  䠩  DXF  
             DXFIN, ⥬ AutoCAD ᮮ  , 㪠 ⨯
           㦥 訡    ᫥  ࠡ⠭    㦥
           訡 ப  䠩 DXF.            ப,  
           ன ⨫  訡, ᮡ  砥 ⠪ 訡, 
           ய ॡ㥬 㯯.

                C.2    䠩  ⥦ (+3)

              ଠ  䠩  DXF,  ᠭ  ࠭      ਫ,
           ।⠢ ᮡ  ।⠢ ⥦ ⥬ AutoCAD,
            ⥪⮢  ଥ   ASCII, ᪠饩   ࠡ 
             㣨   ணࠬ.  ,     砥   ᯮ짮
           ணࠬ CAD/camera   㣨 ணࠬ, 饭  
           ⢫    ।⢮     ।    "譨    "
           (, ।⠢塞  ⮬  ணࠬ  ADE-3;  ᬮ
           ਫ  B),  ᯥ祭    ᯮ짮  ࠧ
            ⭮  䠩 ଠ "DXB" ( 筮 
           ⥦).

                C.2.1  DXBIN

                㧪   䠩  DXBIN,   ᮧ      ⠪
           ணࠬ,  CAD/camera,   DXBIN:
                Command: DXBIN
                DXB file:
                 䠩,      㧨.  ᫥
              ⨯ 䠩; ⥬ ,  ⨯ ".DXB".

                C.2.2 ଠ 䠩 DXB

               ଠ  ।祭   ணࠬ⮢, 
              ମ  㢥.
               DXB  ᫥騩 ଠ:
                :        "AutoCAD DXB 1.0" CR LF ^Z NUL       (19
                )
                :   ...   ᥩ ...
                ਧ :    NUL                     (1 )
                 稭  ⮬,  ᫥
           । ⠬     㪠뢠   ⨯.    
            ࠧ   ।⠢    ஢  .  
           ਢ   ᠭ     䨪 
            㪢  .
           w-         16-⮢  楫   ᫮,      冷
                      ᫥   ⮢,         ⠭   ᫮
                        8086   (᭠砫   訩   ,   ⥬
                      訩).
           l-         㪠뢠   32-⮢ 楫  ᫮, ஥  ⠪
                        冷 ᫥ ⮢.
           f-          ।  祭 㪠뢠,   64-⮢ ᫮
                       饩  ⮩ ⨯  IEEE (    
                      8087).
           n-         ᫮, ஥    16-⮢ 楫, 
                      ᫮   饩 窮  ᨬ  ᫥
                      ⠭   "० ᥫ".  㬮砭
                      ० ।⠢ ᥫ 0, 楫  . ᫨ 
                      ⠭   1,   n-    
                      饩 窮.
           u-         , ।⠢騩   32-⮢  楫  
                      ᫮    窮   ᨬ   ᫥
                      ⠭  ०.  ᫨    32-⮢  楫,  
                      祭  ⠡  ⥬  㬭    65536
                      (2^16).   ᫨    祭       饩   窮,
                      ⠡஢  ਬ.
           a-          ।⠢  㣮. ᫨  ० ।⠢
                      ᥫ  ⠭    楫᫥,    32-⮢
                      楫 ।⠢饥  㣮    ࠤ
                      (   0    360000000).  ᫨    ᫮  
                      饩 窮,   ।⠢ ࠤ.
                  ।,  ० ᥫ ⠭
            0 (० 楫). ᫨ ० ᥫ - ⢥, 
           6       n-  ,   4  
            a-,  u- .
                LINE:             1       n-fromx n-fromy
                                          n-tox n-toy             (9 )
                POINT:            2       n-x n-y                 (5 )
                CIRCLE            3       n-ctrx n-ctry n-rad     (7 )
                ARC               8       n-ctrx n-ctry n-rad
                                          a-starta a-enda         (19 )
                TRACE:            3       n-x1 n-y1 n-x2 n-y2
                                          n-x3 n-y3 n-x4 n-y4     (17 )
                SOLID:            11      n-x1 n-y1 n-x2 n-y2
                                          n-x3 n-y3 n-x4 n-y4     (17 )
                SEQEND:           17                              (1 )
                POLYLINE:         19      n-closureflag           (3 )
                VERTEX:           20      n-x n-y                 (5 )
                SCALE FACTOR:     128     f-scalefac              (9 )
                NEW LAYER:        129     "layername" NUL (strlen("layernam
                e")+2)
                LINE EXTENSION:   130     n-tox n-toy             (5 )
                TRACE EXTENSION:  131     n-x3 n-y3 n-x4 n-y4     (9 )
                BLOCK BASE:       132     n-bx n-by               (5 )
                BULGE:            133     u-2h/d                  (5 )
                WIDTH:            134     n-startw n-endw         (5 )
                NUMBER MODE:      135     w-mode                  (3 )
               LINE  EXTENSION /  /  த
           ᫥      㤫    筮  窨 (窠
           "to")    筮  窨 ("to  point").  㤫
                  ࠧ     த   ᫥
           ஢ ᯫ譮  ⥫     㤫      
           筮    न⠬  3, Y3,  X4, Y4    
           न⠬ X3, Y3, X4, Y4.
              SCALE  FACTOR  /  /  ।⠢  ᮡ
           ᫮     饩   ⮩,   ஥      㬭   
           楫᫥ न     न 
           饩   ⮩,   ᯮ㥬      ॠ   ᪨
           ਬ⨢.       뢠   䠩   砫   ⠡
           樥 ࠢ  1.0 .      NEW  LAYER  /
           /    ᮧ  ᫮,  ᫨  ⠪    ,
           騩    ᠬ 祭  㬮砭,    "LAYER
           NEW",       ᫮  㤥  ਭ    ⢥  ⥪饣  
           ᫥ ᪨ ਬ⨢.  襭 㧪 䠩
           ᫮ 㤥 ⠭ । 믮 .
               BLOCK  BASE /  /    (砫)
            ᮧ  .      । 
            ࢮ   ᪮  ਬ⨢. ᫨    
           ।  䠩 DXB,   ᠭ .
                ⮨    אַ  ᥣ⮢  䨪஢
           ਭ, ᮥ  設, ᪫  ,    ᠭ  
            ⮢  BULGE //   WIDTH  //.  ਧ
           몠    ࠢ   0,  1; ᫨  ࠢ 1, 
             ᥣ  ᫥ 設 (।⢥
           । ⮬ SEQEND)  ࢮ.
               BULGE,  ᯮ    ⠬  VERTEX
           //  (       ᫥  ᫥    VERTEX  
           ⮩ ),  㪠뢠,     設  ᮥ  
           אַ ᥣ⮬,   㣮.  ᫨ ᥣ  אַ  ,
           ᮥ饩 設,     d,  砩襥 ﭨ 
           । ⮣  ᥣ    㣨  -h,    ᫥  祭
           ⠢: (2*h/d). ਢ  ⥫쭮 祭, ᫨
            ६饭   㣥   ࢮ  設   ன 
           ⢫    ᮢ  ५.    ࠧ,  
           㦭   ਢ  ࠢ  1  (  -1).  ஬  ⮣,
            BULGE   ⠡஢  樥⮬ 216. ᫨
           ० ।⠢  ᥫ  ⠭      ,  
           ᯥ稢 祭    饩  窥  ⠢  
           2*h/d ( ⠡஢).
                WIDTH   㪠뢠  砫         ਭ
           ᮥ饣       設   ᥣ   (אַ   
           ਢ).   ਭ ᯮ   ,  
             ᫥騩   ,  騩  ਭ,      
            SEQEND.  ᫨    ⮬  POLYLINE  ()  
           ࢮ 設  VERTEX  ⮨  WIDTH,   ࠭ 
           , ।騩  祭 ਭ  㬮砭  ;
           ᫨       ᪮쪮   ᥣ⮢  ⠪  ਭ,  
           ᯮ짮        ⥫  
           ࠭⢠  .
                          ࠢ   ०
           ।⠢ ⮢  ⨯ n-, a-  u-  ਢ 
           ⠡. ᫨ ⠭ 祭  ,  祭 
           楫묨,   ⨢ 砥  -   饩 窮.  ࠭  
             ⠡  ८ࠧ      祭    
           ० ᠭ .

                C.2.3  䠩 DXB

                    AutoCAD    䠩  DXB,
            ᯥ樠  ࠩ   ADI     ⠪
           䠩. ᫨     ᮧ  䠩  DXB    ⥦  AutoCAD,
           ᪮䨣 ADI     롥    뢮
           䠩 DXB.

                  C.3   ⠭  䠩 IGES (+3)

              ᯮ ᠭ   饬  ࠧ ,   
           㪠 ⥬  AutoCAD    뢠  䠩    ଠ
            IGES.
              : ଠ  䠩 IGES  ⮡ࠦ, 室 
           ४஢  ⠭⮬ ⥦ AutoCAD  IGES  ᠭ
            ࠬ   㪮⢠. ᫨  室 ⠫ ⠪
           ,      Autodesk, Inc.  祭 ᫥
           ᯥ䨪権 䥩 AutoCAD/IGES.

                C.3.1  IGESOUT (+3)

                 ᣥ஢ 䠩      ⠭  IGES  
           饣  ⥦   AutoCAD        
           ⥦ IGESOUT. ଠ  ᫥騩:
                Command: IGESOUT  File name: (  RETURN)
                 㬮砭   室 䠩  ⠪ ,     
           ⥪饣  ⥦,      ⨯  䠩  ".igs".  ᫨    
           㪠뢠   䠩,   砩 ⨯  䠩;  ।
           ".igs". ᫨ 䠩  ⠪  㦥 ,  㤠.

                C.3.2  IGESIN (+3)

                  ⠭  IGES   ८ࠧ  䠩
           ⥦ AutoCAD      IGESIN.  砫    
             ⥦   ᯮ     "Create  new   drawing"
           ("   ⥦")   . ⥬  뤠 
           IGESIN:
                Command: IGESIN  File name: ()
                䠩 IGES,    㦥.
              ᫨   ந室    쥧    訡,        
           ⠭  뢮 ᮮ饭  訡, ᮮ, 
           뫠  訡. 筮  ⥦  뢠.

