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原为锟斤拷业锟斤拷锟斤拷撸锟斤拷锟轿拷锟斤拷锟窖э拷锟绞︼拷锟斤拷锟斤拷锟�CAD.
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![[Illustration]](../../common/images/article132/QCADillustration.gif)
摘要:
QCad 锟斤拷一锟斤拷锟斤拷维锟斤拷CAD系统锟斤拷锟斤拷锟斤拷苑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟狡猴拷锟睫改计伙拷锟斤拷
一锟筋“锟狡伙拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟叫撅拷目锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷平锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷煤锟斤拷直锟斤拷 图锟斤拷锟叫帮拷锟斤拷锟斤拷每锟斤拷元锟斤拷(实锟斤拷)锟侥尺达拷锟斤拷刖凤拷锟斤拷锟酵达拷矢锟斤拷锟斤拷图锟斤拷锟斤拷(锟斤拷锟斤拷Sketch, Illustrator 锟斤拷锟斤拷Corel Draw)锟斤拷锟斤拷锟斤拷锟斤拷锟剿讹拷实锟斤拷锟斤拷锟斤拷锟阶既凤拷锟�CAD锟斤拷锟斤拷CAD锟叫的计伙拷锟斤拷锟饺憋拷锟诫精确锟斤拷 锟斤拷远锟斤拷裕锟斤拷锟酵硷拷锟斤拷呋婊拷锟斤拷涌锟斤拷锟斤拷锟斤拷小锟�
锟斤拷锟斤拷锟斤拷锟结到锟斤拷qcad-1.4x锟斤拷锟斤拷锟斤拷Redhat 锟斤拷Mandrake锟斤拷锟斤拷锟芥本锟侥筹拷品锟斤拷锟斤拷锟斤拷锟斤拷应锟矫筹拷锟斤拷锟斤拷锟� 锟斤拷锟揭碉拷锟斤拷锟斤拷锟狡碉拷锟斤拷锟斤拷锟斤拷也应锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷途锟斤拷锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷碌锟街凤拷锟斤拷锟斤拷锟斤拷掳姹� http://www.qcad.org/. Qcad 锟斤拷要QT 2.2 锟斤拷为 GUI library.
锟斤拷锟斤拷锟角匡拷始锟斤拷一锟斤拷锟斤拷之前锟斤拷锟斤拷应锟斤拷锟斤拷锟剿斤拷一些CAD锟侥革拷锟斤拷投锟斤拷濉�
锟斤拷谓实锟斤拷锟斤拷指锟斤拷锟斤拷锟窖撅拷锟斤拷知锟斤拷锟斤拷锟斤拷锟斤拷态(锟竭段ｏ拷锟斤拷锟竭碉拷)锟较的诧拷锟街ｏ拷同时锟斤拷 锟斤拷锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷(锟斤拷直锟斤拷锟斤拷锟叫碉拷)锟斤拷锟斤拷锟斤拷锟斤拷锟竭达拷某锟绞硷拷锟侥╋拷锟轿伙拷锟�(锟缴斤拷 锟姐，锟斤拷锟疥，锟斤拷锟侥等撅拷锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(锟斤拷色锟斤拷锟斤拷龋锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�)锟斤拷锟皆硷拷 锟斤拷锟斤拷某锟斤拷锟叫的碉拷位(its membership to a layer)锟斤拷锟斤拷图锟斤拷锟杰碉拷说锟斤拷锟斤拷锟斤拷锟斤拷 一锟斤拷实锟藉，锟斤拷锟诫：
锟斤拷锟斤拷锟酵匡拷锟皆癸拷锟斤拷一锟斤拷锟斤拷锟斤拷同时锟斤拷确锟斤拷锟斤拷洌拷锟斤拷纾� 锟斤拷锟斤拷锟斤拷锟斤拷为圆锟侥ｏ拷x为锟诫径锟斤拷圆锟斤拷一锟斤拷锟斤拷锟斤拷壹锟斤拷锟斤拷锟斤拷锟街碉拷实锟斤拷锟斤拷盏恪� 锟斤拷锟斤拷锟斤拷锟斤拷唷� 锟斤拷锟斤拷锟斤拷壹锟斤拷锟斤拷锟侥碉拷锟斤拷氡伙拷锟绞撅拷诠锟斤拷锟斤拷械牡锟侥革拷锟斤拷(锟斤拷锟斤拷系统锟斤拷锟斤拷锟侥碉拷 锟斤拷选取)锟斤拷锟斤拷锟斤拷注锟斤拷锟斤拷枪潭锟斤拷母锟斤拷锟斤拷锟斤拷锟�"snap"锟剿碉拷锟铰碉拷.锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷 某实锟斤拷锟斤拷锟斤拷锟斤拷锟剿街憋拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟铰菜碉拷锟斤拷锟接菜碉拷锟洁辑锟侥ｏ拷
![[qcad00.png]](../../common/images/article132/qcad00.png)
注锟解：锟斤拷一锟斤拷锟斤拷始锟剿碉拷锟斤拷通锟斤拷锟节★拷纸锟芥”锟较碉拷锟斤拷锟斤拷锟斤拷锟揭硷拷锟斤拷玫摹锟�
锟节憋拷牡胤锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷锟轿ｏ拷锟狡伙拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷实锟较匡拷锟皆憋拷锟斤拷锟斤拷为锟斤拷锟斤拷牡锟� 片锟斤拷每锟斤拷锟斤拷片锟斤拷锟斤拷图锟斤拷锟斤拷一锟斤拷锟捷ｏ拷锟斤拷锟斤拷锟斤拷锟角撅拷锟斤拷透锟斤拷锟饺ｏ拷锟斤拷锟斤拷时锟斤拷锟皆匡拷锟斤拷全图锟斤拷 每锟斤拷锟节匡拷锟皆憋拷锟狡讹拷锟斤拷删锟斤拷(只锟斤拷影锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥诧拷锟斤拷图锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷亍锟斤拷愕� 前锟斤拷锟斤拷锟侥诧拷锟斤拷唯一锟侥活动锟姐，锟斤拷锟斤拷锟斤拷锟侥诧拷锟斤拷只锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷指锟斤拷色锟绞ｏ拷锟斤拷锟轿ｏ拷 锟斤拷锟斤拷锟斤拷细锟斤拷锟斤拷时锟斤拷锟斤拷些锟斤拷锟矫斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟侥拷锟街碉拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟� 通锟斤拷锟睫革拷锟斤拷锟皆革拷一锟斤拷锟斤拷一锟斤拷锟斤拷色锟侥诧拷锟较碉拷实锟斤拷指锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟接碉拷图锟轿ｏ拷 锟斤拷锟斤拷要锟街讹拷愎わ拷锟斤拷锟斤拷锟斤拷锟斤拷涂锟斤拷锟斤拷锟斤拷锟侥筹拷蛹锟斤拷锟斤拷踊虿豢锟斤拷樱锟街挥★拷锟揭伙拷锟斤拷锟斤拷荩锟� 锟斤拷锟斤拷锟斤拷锟睫革拷锟斤拷锟斤拷锟斤拷荨锟�
状态锟斤拷位锟斤拷锟斤拷锟斤拷锟节碉拷锟铰诧拷锟斤拷锟斤拷锟斤拷锟�CAD锟斤拷说锟斤拷锟斤拷锟截别，碉拷锟角必诧拷锟斤拷锟劫★拷一锟斤拷 锟斤拷锟斤拷锟缴硷拷锟斤拷锟斤拷锟斤拷一锟斤拷顺锟斤拷牟锟斤拷锟斤拷锟缴★拷锟斤拷锟斤拷锟斤拷锟阶刺拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟侥诧拷锟斤拷 锟皆硷拷锟斤拷锟斤拷锟斤拷锟街憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥讹拷锟斤拷些锟斤拷示锟角很憋拷要锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷冒锟秸ｏ拷锟斤拷 锟斤拷锟斤拷锟杰斤拷锟斤拷锟斤拷一锟斤拷+-@-#!!锟侥筹拷锟津。讹拷锟斤拷CAD只要锟杰癸拷准确系统锟侥诧拷锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷然锟杰革拷锟斤拷锟斤拷确锟侥斤拷锟斤拷锟�
![[qcad01.png]](../../common/images/article132/qcad01.png){kind=small}
锟斤拷锟狡凤拷锟斤拷锟叫很多，锟斤拷锟斤拷锟斤拷锟斤拷锟街非筹拷锟杰筹拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷没锟叫尺寸但 锟斤拷锟轿伙拷镁锟饺凤拷锟斤拷锟�(锟杰筹拷锟斤拷)直锟竭癸拷锟缴的草革拷实锟街★拷锟斤拷些水平锟斤拷锟斤拷直锟斤拷直锟斤拷锟斤拷 DTM锟叫憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭ｏ拷锟斤拷TSCadDraw锟叫憋拷锟斤拷锟斤拷平锟斤拷图锟斤拷锟斤拷锟斤拷图锟斤拷
锟斤拷一锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷些直锟竭碉拷锟斤拷为支锟脚碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墙锟揭拷锟� 篇锟斤拷锟斤拷锟斤拷锟斤拷锟桔碉拷一锟斤拷实锟斤拷锟斤拷说锟斤拷锟斤拷一锟姐。
锟节讹拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫斤拷锟斤拷锟斤拷锟街憋拷撸锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟�QCAD锟叫斤拷锟斤拷锟斤拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭硷拷锟截碉拷锟斤拷锟剿碉拷锟斤拷选锟斤拷<Edit><Trim 2 Objects>然锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷锟较碉拷锟斤拷锟街拷锟斤拷锟斤拷锟角耙伙拷锟斤拷锟接︼拷锟斤拷锟街癸拷锟斤拷锟斤拷系锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷3锟斤拷锟睫革拷锟斤拷 锟斤拷锟斤拷锟斤拷锟接ｏ拷
![[Three examples of the function Edit]](../../common/images/article132/qcad02.png)
![[The result]](../../common/images/article132/qcad03.png)
锟剿斤拷一锟斤拷锟斤拷锟斤拷锟斤拷玫姆锟斤拷锟斤拷锟斤拷锟绞碉拷什锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟节筹拷锟皆伙拷锟斤拷一锟斤拷锟杰碉拷锟斤拷SEV Marchal"图锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟揭筹拷锟斤拷锟斤拷锟斤拷为锟斤拷锟街匡拷锟斤拷锟斤拷锟脚课程碉拷锟斤拷锟接★拷锟斤拷锟斤拷
Mecasoft锟斤拷DMT锟斤拷锟斤拷锟角匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟街拷诨锟斤拷锟斤拷锟斤拷锟斤拷注锟酵★拷
![[SEV Marchal logo]](../../common/images/article132/qcad04.png)
锟斤拷锟斤拷诒锟斤拷锟较帮拷锟斤拷锟斤拷乇锟斤拷锟揭拷锟斤拷锟揭伙拷罴硷拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟窖拷锟斤拷锟斤拷式锟斤拷锟�(帧锟斤拷锟斤拷锟捷匡拷) 锟侥憋拷准锟斤拷锟斤拷锟斤拷锟斤拷使锟矫的革拷式源锟斤拷DMT10锟斤拷锟斤拷转锟斤拷锟斤拷DXF,锟斤拷锟斤拷QCad 锟斤拷锟斤拷识锟斤拷锟斤拷锟� 锟缴碉拷唯一锟斤拷式锟斤拷锟斤拷也锟斤拷证锟剿匡拷锟皆猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷CAD锟斤拷锟斤拷锟斤拷双锟斤拷募锟斤拷荨锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷诨锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟姐附注锟侥关闭的憋拷恰锟斤拷锟斤拷锟斤拷锟缴撅拷锟斤拷锟斤拷锟揭拷牟悖� 锟睫改猴拷锟叫革拷式锟斤拷艿牟锟斤拷锟斤拷锟狡ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟侥层。
![[qcad05.png]](../../common/images/article132/qcad05.png)
通锟斤拷锟斤拷锟斤拷锟斤拷卸鸦锟斤拷锟斤拷锟揭筹拷锟斤拷锟角革拷图锟疥，锟斤拷锟斤拷源锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟斤拷锟� 锟侥达拷锟节★拷锟斤拷选锟斤拷锟斤拷图锟结被锟斤拷锟筋，锟斤拷锟皆得革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆碉拷锟桔撅拷锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟今。达拷锟斤拷锟斤拷斜锟斤拷也锟斤拷锟桔撅拷锟斤拷锟斤拷锟斤拷锟叫诧拷锟斤拷樱锟斤拷锟街� 锟斤拷锟斤拷锟接★拷锟接号匡拷锟斤拷锟斤拷锟斤拷锟叫憋拷锟斤拷锟斤拷锟接层，锟斤拷锟斤拷去锟斤拷锟斤拷选锟侥层。REN锟斤拷锟斤拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟睫改憋拷选锟斤拷锟斤拷锟斤拷疲锟斤拷锟斤拷锟酵吧撅拷锟斤拷锟斤拷锌瞻撞恪ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟� 锟斤拷锟斤拷锟斤拷艿牟锟�<Format A4>锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟侥诧拷<Trait>锟皆硷拷一锟斤拷锟斤拷锟斤拷 注锟酵的诧拷<Annotation>锟斤拷
![[qcad06.png]](../../common/images/article132/qcad06_t.png)
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![[reference line]](../../common/images/article132/qcad07_t.png)
锟斤拷锟斤拷锟揭拷锟�锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷蔚锟斤拷锟揭硷拷删锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷洌�<straight line>< Create parallels><enter 60> 锟斤拷锟接斤拷锟斤拷锟斤拷直锟斤拷 锟斤拷位锟矫憋拷恰锟斤拷锟斤拷锟斤拷锟捷癸拷锟轿伙拷锟斤拷锟斤拷伪锟揭★拷QCad 锟斤拷锟斤拷锟节诧拷锟斤拷锟斤拷锟斤拷 锟竭伙拷锟斤拷锟揭边斤拷锟斤拷平锟斤拷锟竭★拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟洁，然锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟� 锟斤拷色锟斤拷直锟竭便被锟斤拷锟斤拷锟剿★拷
![[parallel line, distance 60]](../../common/images/article132/qcad08.png)
QCad 锟侥大部份癸拷锟杰讹拷锟角凤拷锟斤拷锟皆碉拷, 锟斤拷锟斤拷味锟脚筹拷锟斤拷锟斤拷锟斤拷锟斤拷婊伙拷锟斤拷锟斤拷锟斤拷锟� 锟斤拷一直锟斤拷锟街活动状态锟斤拷锟斤拷锟�<straight line><Create parallel> <Distance of > 锟斤拷然锟斤拷锟节活动状态锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷锟皆帮拷60锟芥换锟斤拷50 (Vertical 2) 然锟斤拷锟斤拷锟斤拷锟劫帮拷50锟斤拷锟斤拷25 (Vertical 3)锟劫碉拷锟�. 锟斤拷锟斤拷锟斤拷去锟斤拷 锟皆革拷锟斤拷锟斤拷锟斤拷锟侥诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷水平直锟斤拷锟斤拷同锟斤拷锟侥癸拷锟斤拷(Horizontal 4)锟斤拷锟皆撅拷锟斤拷60 锟斤拷锟斤拷水平锟斤拷(5) 锟斤拷 (5')锟斤拷然锟斤拷锟皆撅拷锟斤拷30锟斤拷锟斤拷 (6) 锟斤拷锟斤拷跃锟斤拷锟�40锟斤拷锟斤拷 (7)锟斤拷
![[all the lines]](../../common/images/article132/qcad09_t.png)
锟斤拷锟节的癸拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟秸才斤拷锟斤拷锟斤拷直锟竭★拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟揭硷拷锟截碉拷锟斤拷锟剿碉拷 然锟斤拷选锟斤拷<lines><multiple lines (button:creat lines)> < passing through the intersection (Snap automatically to..)>锟斤拷 锟剿猴拷锟斤拷锟角斤拷锟斤拷锟斤拷锟斤拷锟斤拷直锟竭斤拷锟姐附锟斤拷锟斤拷锟斤拷锟结被锟斤拷色圆圈锟斤拷恰锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿� 锟斤拷锟皆讹拷锟斤拷锟斤拷锟绞硷拷锟绞憋拷颍锟斤拷锟斤拷锟斤拷锟斤拷贫锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷悴拷俅蔚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷恕锟斤拷锟斤拷锟斤拷锟斤拷锟姐将锟斤拷为锟铰革拷锟斤拷锟斤拷锟斤拷锟姐。锟斤拷使锟斤拷锟角匡拷锟皆伙拷锟狡凤拷 锟秸碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷悴伙拷锟揭拷锟斤拷锟斤拷锟揭伙拷蔚锟斤拷锟揭硷拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷艿锟斤拷锟斤拷锟饺★拷锟斤拷锟斤拷锟� 锟斤拷硕锟斤拷锟斤拷锟揭伙拷耄★拷锟斤拷锟酵拷锟酵硷拷械牡锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟轿ｏ拷2锟脚粗ｏ拷锟斤拷色锟斤拷然锟斤拷锟斤拷2锟斤拷 3锟斤拷4锟斤拷5锟斤拷6锟斤拷7锟斤拷8锟斤拷9锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸碉拷锟斤拷壹锟斤拷锟街拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷恕锟斤拷锟� 锟斤拷锟斤拷
![[qcad10]](../../common/images/article132/qcad10.png)
锟洁辑锟角讹拷锟窖达拷锟节碉拷锟斤拷锟斤拷锟睫改★拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟截ｏ拷锟斤拷锟斤拷删锟斤拷一锟斤拷锟斤拷锟戒，锟斤拷 锟斤拷锟斤拷锟睫改★拷锟斤拷锟斤拷锟斤拷什么锟斤拷锟斤拷锟睫改ｏ拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟缴★拷锟斤拷锟斤拷选锟斤拷<Edit (1)> 锟斤拷锟杰ｏ拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟叫匡拷锟杰碉拷1锟睫改碉拷锟接菜碉拷锟斤拷选锟斤拷锟斤拷要锟侥癸拷锟杰ｏ拷锟界： <delete objects(2)>锟斤拷锟斤拷锟街达拷锟斤拷一锟斤拷锟接菜碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟藉，锟斤拷锟� 锟斤拷锟斤拷元锟截等等★拷锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷薷牡姆锟轿э拷锟斤拷锟斤拷锟斤拷锟窖★拷锟�<Tag single element(3) > 锟斤拷锟皆拷锟�(4) 锟斤拷然锟斤拷通锟斤拷锟节硷拷头图锟斤拷(5)锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖★拷锟� 元锟截就会被删锟斤拷锟斤拷锟斤拷注锟斤拷<(un-)tag single element;> 锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷栓锟斤拷 锟斤拷锟斤拷锟斤拷锟揭伙拷锟皆拷兀锟斤拷锟斤拷锟斤拷潜锟窖∽刺拷锟斤拷俅蔚锟斤拷锟酵恢革拷锟斤拷未锟斤拷选状态锟斤拷锟斤拷使锟斤拷 锟斤拷锟斤拷锟斤拷一锟斤拷全锟斤拷选锟斤拷锟斤拷删锟斤拷锟截讹拷元锟截★拷
![[qcad11]](../../common/images/article132/qcad11.png)
锟截碉拷锟斤拷锟剿碉拷锟斤拷删锟斤拷锟斤拷图锟叫碉拷直锟斤拷1锟斤拷选锟斤拷<Edit><Round> <Radius 10> <trimming> 锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷实锟藉，然锟斤拷压锟斤拷锟狡讹拷 锟斤拷锟斤拷要锟斤拷锟叫碉拷锟斤拷锟斤拷/锟斤拷锟接革拷锟斤拷锟斤拷Qcad 锟结建锟斤拷锟斤拷械姆锟斤拷锟�(radius 10). 锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷悖拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷员锟斤拷锟斤拷锟斤拷锟�/锟斤拷锟接诧拷锟斤拷锟斤拷锟斤拷锟竭★拷
![[qcad12.png]](../../common/images/article132/qcad12.png)
锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷一锟诫，没锟叫憋拷要锟斤拷去锟斤拷锟斤拷锟斤拷一锟诫，锟斤拷锟斤拷锟揭拷猿频馗锟斤拷锟角耙伙拷锟� 锟斤拷锟轿筹拷锟斤拷锟斤拷锟斤拷图锟轿★拷锟斤拷锟斤拷选锟斤拷<Edit><mirror objects> <Tag Range><Point (Snap to nothing)> 锟斤拷锟斤拷取锟斤拷一锟斤拷图锟斤拷 (QCad13 锟叫的伙拷色锟斤拷)锟斤拷图锟轿憋拷选锟斤拷锟斤拷锟斤拷臁ｏ拷锟斤拷锟揭硷拷锟斤拷锟截碉拷选锟斤拷锟斤拷锟接菜碉拷锟斤拷 锟斤拷锟斤拷锟酵吠硷拷辏拷氐锟阶帮拷锟斤拷硬说锟斤拷锟窖★拷锟�<Extremity (Snap to endpoints)> 锟斤拷锟斤拷QCad13锟叫的碉拷1锟斤拷2锟斤拷锟斤拷锟斤拷侄曰锟斤拷锟�"Mirror"锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷0锟斤拷锟斤拷一锟斤拷图锟轿会被锟狡讹拷锟斤拷锟斤拷锟斤拷1锟斤拷锟姐被锟斤拷锟狡★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟� <Ok>锟斤拷锟斤拷锟斤拷锟斤拷锟剿★拷
![[qcad13]](../../common/images/article132/qcad13.png)
锟酵刚诧拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫达拷直锟斤拷水平锟斤拷锟斤拷锟斤拷(point 1)锟斤拷锟斤拷锟斤拷锟斤拷.然锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷 锟较斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟酵★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟诫径为5(锟斤拷色锟斤拷) 一锟斤拷为25 (锟较猴拷色锟芥， 锟斤拷2锟斤拷3)锟斤拷锟斤拷锟斤拷删锟斤拷锟斤拷锟斤拷锟竭诧拷锟斤拷锟斤拷锟斤拷锟斤拷(锟斤拷4)锟斤拷锟斤拷锟叫诧拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷
![[qcad14.png]](../../common/images/article132/qcad14.png)
注锟酵诧拷锟斤拷QCad锟斤拷强锟筋：锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫硷拷锟绞撅拷叽锟矫伙拷斜锟侥地凤拷锟斤拷锟斤拷注 锟斤拷锟斤拷锟斤拷锟斤拷弑锟斤拷什么锟斤拷锟斤拷偷锟斤拷锟斤拷锟斤拷址锟斤拷锟叫★拷锟斤拷锟斤拷呒锟侥撅拷锟斤拷谋洹ｏ拷锟斤拷使锟斤拷锟斤拷 锟斤拷图锟斤拷锟皆碉拷锟斤拷些锟斤拷帧锟斤拷锟斤拷锟斤拷锟轿ｏ拷要锟斤拷注锟酵ｏ拷锟斤拷锟斤拷耄猴拷锟轿伙拷锟阶拷筒悖★拷锟揭� 锟斤拷恰锟斤拷锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷1锟脚粗碉拷锟竭猴拷锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷同锟斤拷锟竭ｏ拷锟斤拷锟斤拷锟杰讹拷锟截★拷锟斤拷 锟解并锟角憋拷锟诫，选锟斤拷<Annotation (Sub-menu dimensions)><Type of annotation horizontal or vertical or radius...><Endpoints to determine the position of the construction lines or certain intersection (Snap manually to..)>< Point (Snap to nothing) for positioning the dimension> 锟斤拷锟斤拷锟斤拷每锟捷硷拷锟侥憋拷锟斤拷装模式锟斤拷F锟斤拷 <point> E锟斤拷<Extremity>, X 锟斤拷< automatic intersections> 锟饺等★拷锟斤拷A, B 锟斤拷C (锟斤拷图)锟斤拷锟皆憋拷示锟竭寸。
![[qcad15]](../../common/images/article132/qcad15.png)
锟斤拷维锟斤拷锟斤拷枚锟轿拷锟斤拷锟斤拷锟揭拷锟斤拷锟揭恍╋拷锟斤拷匣锟酵硷拷锟阶硷拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟揭拷锟斤拷锟揭伙拷锟�20mm 锟斤拷5mm锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟叫ｏ拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟侥分节碉拷锟斤拷图锟酵憋拷锟� 锟斤拷要锟剿★拷要实锟街ｏ拷锟斤拷锟诫：双锟斤拷锟斤拷锟斤拷锟斤拷锟桔撅拷锟斤拷图锟斤拷锟斤拷<Annotation>锟姐不锟斤拷锟斤拷 锟斤拷锟矫癸拷锟斤拷锟剿碉拷锟叫碉拷选锟斤拷锟斤拷+锟斤拷锟斤拷<cross section> 锟姐。锟斤拷锟捷憋拷准锟斤拷一锟斤拷锟斤拷锟斤拷 锟街节的硷拷锟斤拷锟斤拷锟缴点划锟竭憋拷示锟侥★拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷约锟斤拷睿拷锟斤拷锟斤拷劬锟街拷锟斤拷锟斤拷一锟斤拷 1锟脚匡拷锟斤拷锟斤拷(<straight line><Polyline><snap to grid points>)锟斤拷
![[qcad16.png]](../../common/images/article132/qcad16.png)
锟节癸拷业锟斤拷图锟叫ｏ拷锟斤拷锟斤拷锟斤拷纸锟酵笔伙拷锟斤拷锟斤拷CAD锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟戒建锟斤拷一锟铰★拷锟斤拷锟斤拷锟� 锟斤拷锟斤拷图锟截憋拷示锟斤拷锟斤拷纸锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷投影锟斤拷
![[qcad17.png]](../../common/images/article132/qcad17.png)
锟斤拷锟斤拷锟劫达拷使锟斤拷直锟斤拷锟斤拷锟竭伙拷锟狡达拷锟斤拷锟斤拷锟酵的斤拷锟斤拷纸锟酵硷拷锟�(QCad18, 锟斤拷图)锟斤拷锟睫革拷 影锟斤拷(2)锟斤拷锟斤拷锟皆★拷选锟斤拷<Create hatchings(3)> <Tag range> <Passing through the Point (Snap to nothing)> 锟斤拷锟节斤拷锟斤拷纸锟斤拷锟斤拷锟斤拷锟� 锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷锟斤拷锟斤拷(4)锟斤拷确锟斤拷(5). 锟皆伙拷锟斤拷"Create hatchings" 锟斤拷锟街★拷选锟斤拷 一锟斤拷锟斤拷锟绞碉拷锟斤拷影路锟斤拷(6)锟斤拷选OK (7) 锟斤拷影锟斤拷锟角碉拷锟斤拷图(8)锟斤拷锟斤拷锟斤拷恕锟�
![[qcad18.png]](../../common/images/article132/qcad18.png)
锟斤拷锟斤拷锟斤拷示锟侥斤拷锟斤拷纸锟斤拷锟酵硷拷欠锟斤拷瞎锟揭碉拷锟酵硷拷锟阶硷拷模锟斤拷锟酵队巴硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞碉拷锟斤拷锟斤拷锟� 通锟斤拷锟斤拷锟桔撅拷锟侥高讹拷锟斤拷锟叫革拷图锟轿诧拷锟斤拷锟侥ｏ拷锟斤拷锟角憋拷锟斤拷锟斤拷锟斤拷锟桔撅拷锟斤拷锟斤拷取锟斤拷锟斤拷锟揭拷锟斤拷锟斤拷锟� 锟斤拷锟斤拷<Straight polyline line (button line)><create lines> 锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街伙拷锟斤拷锟斤拷锟街斤拷锟街�(锟斤拷锟捷匡拷)锟斤拷锟斤拷锟斤拷锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷约锟斤拷芯锟� 一锟斤拷< text function>锟斤拷
![[qcad19.png]](../../common/images/article132/qcad19.png)
Linux
GPL 锟铰碉拷CAD锟斤拷锟津并诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷QCad锟斤拷锟斤拷锟竭憋拷示 锟斤拷锟解并锟斤拷谢锟斤拷锟角癸拷锟阶筹拷锟斤拷锟绞碉拷玫某锟斤拷颉＝锟斤拷锟斤拷锟矫伙拷锟�Cadkey, AutoCad锟斤拷锟斤拷DMT
一锟洁工业锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷一锟斤拷锟矫的斤拷锟斤拷锟斤拷锟竭和达拷锟斤拷锟斤拷太锟斤拷锟斤拷锟斤拷锟斤拷墓锟斤拷摺锟斤拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷注锟酵癸拷锟斤拷锟较碉拷锟斤拷锟姐，锟斤拷锟斤拷/锟斤拷锟斤拷/锟斤拷锟斤拷锟�(锟斤拷锟叫ｏ拷锟斤拷锟轿癸拷锟筋，锟街斤拷锟斤拷 图)锟斤拷缺锟劫ｏ拷锟皆硷拷锟杰多几锟斤拷锟斤拷锟阶达拷锟斤拷锟斤拷锟斤拷啤锟斤拷锟斤拷锟接︼拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷茫锟斤拷锟斤拷锟斤拷锟� 锟侥斤拷锟芥，锟斤拷锟斤拷/装锟斤拷/锟斤拷影锟斤拷锟杰碉拷强锟襟，匡拷选锟斤拷DXF锟斤拷式锟斤拷锟斤拷通锟矫的革拷式锟皆硷拷锟斤拷锟斤拷 锟斤拷锟斤拷未锟斤拷锟街碉拷锟脚碉拷祝锟斤拷锟斤拷锟斤拷锟斤拷锟竭★拷QCad
拥锟斤拷一锟斤拷英锟侥的帮拷锟斤拷系统锟斤拷 锟斤拷些锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也证锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫★拷锟揭斤拷锟斤拷锟斤拷愠拷跃锟窖э拷锟斤拷锟� 锟斤拷锟叫癸拷锟杰★拷
锟斤拷同锟斤拷锟结到锟侥ｏ拷CAD锟侥癸拷锟杰斤拷锟斤拷锟斤拷戏锟斤拷锟皆的改斤拷锟剿★拷通锟斤拷锟斤拷维图锟轿憋拷锟斤拷锟斤拷维 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫达拷锟斤拷锟斤拷锟解。锟斤拷锟斤拷锟斤拷维模锟斤拷通锟斤拷锟斤拷态锟酵尺达拷锟斤拷全锟斤拷锟街筹拷锟斤拷锟斤拷要
强锟斤拷墓锟斤拷吆锟斤拷锟斤拷锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆讹拷锟狡伙拷锟斤拷注锟酵ｏ拷锟叫撅拷锟斤拷锟截伙拷 械锟斤拷锟叫憋拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟�ProEngineer, SoldConcept锟斤拷Catia, Solid Edge 锟斤拷Think3D锟饺等★拷锟斤拷些锟斤拷锟斤拷什么时锟斤拷呕锟斤拷锟�Linux锟芥本锟截ｏ拷目前锟斤拷锟斤拷锟斤拷 QCad
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