Revit中有效公式语法和应用详解 [课程编码4402]

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在用Revit做参数化族时，经常会用到算数运算、三角函数和圆运算，今天为大家带来Revit中有效的公式语法和应用详解一文，帮助大家解决Revit中参数驱动问题。gkyqiugqvmvzfiqlph

1、常用算术运算公式

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下表中列出的是算术运算的有效公式缩写。示例显示在公式中使用常规数学语法来使用整数、小数和分数值。oqtncijjrijmbnxs

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常用算术运算公式faybxpqcmgpzwmjktnuaqapnqxyviquwcsuzvpuhipd

函数的语法lwsupogausr qyucayubtizzatpetg	说明jnrydxnuyljtrnkqterpjiedoequimnyrbqhnez fbyweeclsscrgggmabtujrilmexljjhqmysjedhc	示例 rwkszkkhtlvkbzncxkwmredzpryanvnbykumhftyavrygoen ditdziiwvdkjttlpn fbgzcuaafgxitmueroa
+zzkdackvwzhaxafjlrdamkuobtrlix	加法，将值相加xpurgvwkxquuqbooglqucxrxzurvwdjshyzyfnhqarzndrc	总长度=高度+宽度ijeiypjdfsshkbvhmqvifcujwsrnbpzclmvtcw
- xrdiblhlldjuuwmiqjhyguv	减法，找出值之间的差异lrmvpyyjnlhccimrihsnalyovtsugnqeyyroery	已删除的体积=体积A-体积B cdrrariylnjyznnmgefqbveabojykq
* khxxryvcnwodxaqdaovdlwlzasltnkzsfgnoomovytbi	乘ujlclymchlxavyihpdhwqtqtmxxmimfwald	面积=高度*宽度 vlbisxclglttreeabsdiuyosrilongwrds
/ kopjtptaxbcqeoliduegheruwzsofy	除 slsrlvpmnnploxbqjpb	半长度=长度/2 pqfyxutgzvqdz
^qjeguqdopjviwejffppletlkasfxfc	幂，X的Y次方evzkilwabelvmezroehmyyqkbltweuxynh	高度^2grnobaxntxdqgrlrwtyn
log hnriivspmnsjepllgjxnybfxv	对数，必须将技术提高到幂的指数才能等于给定数 xlbywgdchsqeynzmre	2=log10 100ulmsjzihpcobwspqcreoyqbxcberaoybyliivh
Inzkmwiwyqjejiqknbukgazqhbnhyekxuuiwnmlaw	自然对数，数字的对数与数学常熟e的基数值afqdtoipsazlfnwmnxwn	In(x*y)=ln*x+ln*y pqfyxutgzvqdz
sqrtceywgdksmoowfiz	平方根kntqyniarcxnqksuabfdwrlrqeksodmcdancz	4=sqrt(16）qjeguqdopjviwejffppletlkasfxfc
exp(x)pggzenfpuztnekpazxztkkcqtqwclbmnjptqghgydkzmhmwhui kmsxbursnpigtdjlozuu	数学常熟e升至x的幂fvcmxltfpcqzwtzszhbiku	exp(3)bflqlssdipatefchsdnxpmjb
abscyfsdldzdgbxpndqoaoftbeeryapljmmxtuu	绝对值yogowzrumjsowtjqnshgbgcclhtwuevqdkvezuewsqbb	2=abs(-2)ikbavzlrmngljebijorhofwsbwfsfisepkvumtvfywhzurc

2、常用三角函数运算公式wyllihoxcgqzpogp

下表中列出的是三角函数的有效公式缩写。示例显示在公式中使用常规数学语法来使用整数、小数和分数值。zooofwwbubmgacwsyjzefja

Revit中有效公式语法和应用详解cevrcpslsbqvoesqitykbbqktdhbwrichrlyosugda

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常用三角函数公式_{ziuqgeppupqgopfwse}

函数的语法 dfyabuedxuyzusghqdlhyilbicmkutfvzsvqecdogwzelkhqgwqcyhkkptbcvmnxzdfazdmtnfrdiurdjlmpqxzvak ijeiypjdfsshkbvhmqvifcujwsrnbpzclmvtcw	说明zjzvteehxgrkltkjdttkxohbypwvmvtuceqsiitfgvfejsgnyf	示例uymbdvdtqfkffaszfijjgefzoezqxyfgbcgezcrnk
sinrlyqfxashkmouh	正弦 cdrrariylnjyznnmgefqbveabojykq	已知c和A，a=c*sin(A) sdaagyydoqqvhys
coszzkdackvwzhaxafjlrdamkuobtrlix	余弦lhfmcuoyxe	已知c和A，b=c*cos(A) qyucayubtizzatpetg
tan lhjhlajghjfdpxdrtegtsehmvnlugzltxukyqtkgv	正切cjndhciluugczxcsxijajppixgnsgvmddayiiople	已知a和B，b=a*tan(B)rlyqfxashkmouh
asin erhjegxobdnqsigldpaqyzujelstucnpodinwkha	反正弦 zxeemfpasezqoszagkoqgigahq	已知a和c，A=asin(a/c)cyfsdldzdgbxpndqoaoftbeeryapljmmxtuu
acosdlbwqqvjnzcw	反余弦zjzvteehxgrkltkjdttkxohbypwvmvtuceqsiitfgvfejsgnyf	已知a和c，B=acos(a/c) lstqqgwhdtbh
atan zxeemfpasezqoszagkoqgigahq	反正切 lstqqgwhdtbh	已知a和b，A=atan(a/b) mmunpvlafqsavghurvqzwkemciapwsgx

3、圆运算公式_{agpsiyurrabfbuqjwcmnzfndprshbkp}

下表中列出的是三角函数的有效公式缩写。示例显示在公式中使用常规数学语法来使用整数、小数和分数值。upljeswwhtizwhokxlbadtahrfjrjtoeogsoxrkkzkd

圆运算公式

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函数的语法 ncxzfzvytwtctxpriasmxippylggohmmxkuzlcomxipgb oftztwxtgshfgd	说明qjuqimmtibunfpobeqjdlfcdyktsazqmguk	示例bflqlssdipatefchsdnxpmjb
picyfsdldzdgbxpndqoaoftbeeryapljmmxtuu	圆周长与直径的比jzsxwphyosvosfbcdfmihppk	圆面积=pi*r^2 kopjtptaxbcqeoliduegheruwzsofy

4、其他运算公式_{riycydlvfryeiw}

示例显示在公式中使用常规数学语法来使用整数、小数和分数值。upljeswwhtizwhokxlbadtahrfjrjtoeogsoxrkkzkd

函数的语法 reajbqohluonyhpliqwwvanafgxwjbuxjmdddue	说明qjeguqdopjviwejffppletlkasfxfc	示例pwubkqwids
舍入(X） oxqbgcawcuhevegdxmjtlsvjxqdssiijixmingveegua	舍入函数返回舍入到最接近整数的值。它不考虑舍入的方向。ceywgdksmoowfiz	round(3.1) = 3 round(3.5) = 4lgreelpxmpetbrbrxhlypfpddbaykcphgfqebmnlbirypa round(-3.7) = -4zooofwwbubmgacwsyjzefja xurltbvsqekdviqgnoqyctwhujffatjfrhxbvmyubm
向上舍入(X)undmlnhygokdl ceywgdksmoowfiz	向上舍入函数将值返回为大于或等于X的最大整数值 lhjhlajghjfdpxdrtegtsehmvnlugzltxukyqtkgv	roundup(4)=4fomogchcexirpgdmrfzlfkmxucsqiqscptlokrzynuw roundup(4.1)=5mgngioibopsueougbmipxifryftugvcivl roundup(-2.7)=-3 rwkszkkhtlvkbzncxkwmredzpryanvnbykumhftyavrygoensvyqeolvveiwgnvbngifmdxvifb ztjchhkxeadpeljxjtnqfpjiuvmjbnsfz
向下舍入(X)lhfmcuoyxe	向下舍入函数将值返回为小于或等于X的最小整数值 kopjtptaxbcqeoliduegheruwzsofy	rounddown(3)=3wyllihoxcgqzpogp rounddown(2.7)=2wykinzwfrehlbm rounddown(-5.7)=-5 lpbjfwbtcafvphxjfnqsdrrttrgrhfpkepwihstfeiwifnhilg maubcatcoeqldzozlnquhqaaismxxnvgasctgyisvyqeolvveiwgnvbngifmdxvifb grnobaxntxdqgrlrwtyn

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5、应用示例

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下图中为计算某盖梁上方防震挡块的函数，用到了反正切函数。obvfodepevchgbqcpri

Revit中有效公式语法和应用详解

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Revit中有效公式语法和应用详解wyoiufyxswsnfl

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转自：https://mp.weixin.qq.com/s?src=1 ... ture=RfmXxlRgkSaRcq*6SiCSn9gJ-fNesl2FJvq46zoGT6uSlRGKfS8eeOP5mww5U*78BTUKa23ZWX7HQ9vbMkisUflTqP85mY-9OZiGmTB7zYiHoY13FHxR-mye3y0NJ7AL&new=1rmodglsnngz

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