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。_{ptqqxfzlwbinlskcfzksdvrcelbwepyvjzyr}

1、常用算术运算公式zyuifkpnhcazhxbcuvrvodjdvyjhqbyzq

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。kkshdvfzxnzlppperoeqectfpxwhrvqwdapdqwkk

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常用算术运算公式lzzzttudmq

函数的语法zyuifkpnhcazhxbcuvrvodjdvyjhqbyzq aqplaagxeuuulhvbkujglptrthciyphmflposkwsevafzi	说明 ijuawqagophnxxhisswjevjpedsklqqnobwics xdczptyluprwdssypnohaeg	示例aafhjmhbzkuvhjxmzqgnckoah nrxzyhlvegcrovylrfmgnqvr
+vchzmsxdufwdsq	加法，将值相加ttmkajnuhyydcfoiyeqplzorymswwaybbycoylncwxh	总长度=高度+宽度duithcoosp
-nhffkygydxxhljpubofrtdy	减法，找出值之间的差异ahratzogxtvygictxvpzoubesnfahokin	已删除的体积=体积A-体积B tsycqyvwdmltkmqfadglhcwszmqxjktzcsmkpbuqgnvet
*melnxzowgxrezjwrn	乘wsamlcisbucuuzarudloifvsdfwwaacvipro	面积=高度*宽度dklmzidxxvmhxxppxgivcbrarvbenmyw
/ijxagfrxxbuj	除luvpyldaxaacsvpjjwmy	半长度=长度/2 aqplaagxeuuulhvbkujglptrthciyphmflposkwsevafzi
^xgaoclwdzghbuuqijp	幂，X的Y次方scyrzyskoitxoxwypictmlyi	高度^2leawigozqbmcxckbrwpagikwncaamllkipafbkkxxlv
logxgaoclwdzghbuuqijp	对数，必须将技术提高到幂的指数才能等于给定数 ijfaehiehoqhzqktwyeqfoirdpinzoxxkbpfrem	2=log10 100ranqfyawyycycmyxpuoa
Infdadwdclgghzyibaga	自然对数，数字的对数与数学常熟e的基数值 fwphvnwqcnloevdihjwqhxayftt	In(x*y)=ln*x+ln*ysdzezclefncwmeuipdyrhujggnizslornfrekjhq
sqrtttmkajnuhyydcfoiyeqplzorymswwaybbycoylncwxh	平方根 idqavjhhfhiiffcvwwayk	4=sqrt(16）ahratzogxtvygictxvpzoubesnfahokin
exp(x)rrnqodalwvvkeissmyh repdrsbbsrgc	数学常熟e升至x的幂melnxzowgxrezjwrn	exp(3)vspvykouzhympcnpxt
absfdadwdclgghzyibaga	绝对值 qgrjqeaoxjhcdlwdqxoy	2=abs(-2) repdrsbbsrgc

2、常用三角函数运算公式

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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。_{hixpfzqetvzmxqgmfmoinmkrjwhjf}

Revit中有效公式语法和应用详解rotyyesfyn

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常用三角函数公式

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函数的语法 ubymizndqpshakjqaltjhmyywkycblpekzqdvqxrtltdfdiknhyxwovcsxmmlmyj dqdlatztmqabm	说明cqjozvsnbosdafkexwlj	示例 qgrjqeaoxjhcdlwdqxoy
sinxdczptyluprwdssypnohaeg	正弦actxrgwtozamzynayulbpuobyn	已知c和A，a=c*sin(A)scyrzyskoitxoxwypictmlyi
cos tulusfnuouodqcchchclhxhcgluartypnqbxpk	余弦vspvykouzhympcnpxt	已知c和A，b=c*cos(A)ybnjmoocendupjztigrgwqgkoemjwebhwvtacookqly
tan fdxbwpynealkdeqjnxskdsxskyoqiwydkdqoubmvusdsjk	正切ahratzogxtvygictxvpzoubesnfahokin	已知a和B，b=a*tan(B)fflayvujerukvpuvtymnpbfvwlmulzpewbmrareskfgvjaudri
asingaajznpthzgqilqyvwstblsjxlblthmfkbkbzutulfjnsjmzj	反正弦ofrcwzmpuwgdsxrpgeiiqwuofmjpprwgyyndmcnwaahydhakrk	已知a和c，A=asin(a/c)wsamlcisbucuuzarudloifvsdfwwaacvipro
acos xrqyzfbcilohcyrsizrquqccdvndnftkthyhffupjn	反余弦duithcoosp	已知a和c，B=acos(a/c)ybnjmoocendupjztigrgwqgkoemjwebhwvtacookqly
atanavhlqfznhffpzgqfhjoscfnbvhrgpumlsfqufo	反正切 rokhsgemqntnxkehqgcrxlqrjgmbmsqzmindaxan	已知a和b，A=atan(a/b)ijxagfrxxbuj

3、圆运算公式

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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。_{zknphgpcsemjrsmsfynlxmqqgdhtojptqtjlmvucjivjk}

圆运算公式

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函数的语法 puzlveszvoisceweqqjuiywabsksnqwyoouzptwgrhhljcdcsqkqjoumrr scyrzyskoitxoxwypictmlyi	说明cqjozvsnbosdafkexwlj	示例ttmkajnuhyydcfoiyeqplzorymswwaybbycoylncwxh
pifflayvujerukvpuvtymnpbfvwlmulzpewbmrareskfgvjaudri	圆周长与直径的比duogunckdxvnnybrfwp	圆面积=pi*r^2bvwvyutovpnhzkpphhjjsgukenscasyhnuyblw

4、其他运算公式xskmmhnafiuseajkfbt

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。xskmmhnafiuseajkfbt

函数的语法ybnjmoocendupjztigrgwqgkoemjwebhwvtacookqly	说明hxufoiggevgam	示例actxrgwtozamzynayulbpuobyn
舍入(X）vspvykouzhympcnpxt	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。lpsdsaovqewiqkr	round(3.1) = 3 round(3.5) = 4aafhjmhbzkuvhjxmzqgnckoah round(-3.7) = -4hwdrvgtpoddbxpkrhqvhelqstjuondeb scyrzyskoitxoxwypictmlyi
向上舍入(X)ilqjpzxohmhpfwidfqeiwrqjackbnhydroemnv cqjozvsnbosdafkexwlj	向上舍入函数将值返回为大于或等于X的最大整数值 vocobcnksxbgioikws	roundup(4)=4psfnbpgqcmglknmw roundup(4.1)=5hixpfzqetvzmxqgmfmoinmkrjwhjf roundup(-2.7)=-3kkshdvfzxnzlppperoeqectfpxwhrvqwdapdqwkk lpsdsaovqewiqkr
向下舍入(X)vqgplxcxvyk	向下舍入函数将值返回为小于或等于X的最小整数值 xrqyzfbcilohcyrsizrquqccdvndnftkthyhffupjn	rounddown(3)=3aafhjmhbzkuvhjxmzqgnckoah rounddown(2.7)=2 jnggzwesdyetfrqdhufcaisonvdcaqzbnmpybrvxlfnrm rounddown(-5.7)=-5zyuifkpnhcazhxbcuvrvodjdvyjhqbyzq rrnqodalwvvkeissmyh dklmzidxxvmhxxppxgivcbrarvbenmyw

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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。ruohgkobkgsnvruptglcgd

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

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Revit中有效公式语法和应用详解_{hxhnxkvpbsocrukghbhonjwieouwbwxwuykvrfgdo}

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

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