Revit中有效公式语法和应用详解 [课程编码4402]

修改字体大小 16px

10px 25px

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。jwwleizcnmzibrcxqvymjnobayuqzjoyvsbnszkdtld

1、常用算术运算公式zfvbhhtztft

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。paeawoeljzclmunhj

_{iwwqlmabvvjztuxqounaqdxjgrxxcbpxkcqzgjmsyatjyxdo}
常用算术运算公式rhvpoxydwg

函数的语法 lrvodzwhoqgqvfacwmgzfdrnzbcyvbrsfvwiovozt ebbgikpyfytymmupzgynkxthjyx	说明iqrkvmloxkxzmkcp ptbmqtcgqyhkcfrs	示例 nujuhlpcvhrrbslpiindivxfioiaawnhhd glwmqiuoougxmbwnievudp
+ xlbkqzbzqeqbynmofsrcmo	加法，将值相加ykegqtnicoweneukeajmvajujjkvcxzjpdbpmkvpqwxrbq	总长度=高度+宽度sfestaftrydynlkklnceezabibmbhpdxaoxyg
- rvspwtnvkflaonxwejenvoa	减法，找出值之间的差异rrnhzfreafddsjclkcbrtzwobiughkvurywebsxnio	已删除的体积=体积A-体积Bptbmqtcgqyhkcfrs
*ihfbsnfvxxehqdipmdiwxoywdfwtrrobppqgsvxcxyp	乘 ekjpkpseahklkwijjbvark	面积=高度*宽度xtdkwvosjgzvuqz
/ xlbkqzbzqeqbynmofsrcmo	除 bckeivtnzdknluakcepatdfhwccfxdkdbaymxgwrzr	半长度=长度/2nhoutawmntxdoogmzhmketxvf
^gijeeggpywfhmvczydnhutkescauj	幂，X的Y次方rrnhzfreafddsjclkcbrtzwobiughkvurywebsxnio	高度^2sfestaftrydynlkklnceezabibmbhpdxaoxyg
logwpbfbvxiekrqkaawgieivjgsvracxnymoh	对数，必须将技术提高到幂的指数才能等于给定数 vhwpicvjlbudljgi	2=log10 100 gpyevmzadcltdbcqbnohckcjohbxxysw
Inptbmqtcgqyhkcfrs	自然对数，数字的对数与数学常熟e的基数值srhrthmmhdzjxblakswfbpcbiizvurdfjjfbpnqlqnitb	In(x*y)=ln*x+ln*y codcwcnaoiuhfvnxehkirmbwxyddcfkh
sqrtuggnbmbmwzfxczfwvrejdunpbcgjrpagltq	平方根ptbmqtcgqyhkcfrs	4=sqrt(16）nhoutawmntxdoogmzhmketxvf
exp(x)iwwqlmabvvjztuxqounaqdxjgrxxcbpxkcqzgjmsyatjyxdo fwbstjgnjhtufzhwwcbrutqeourrlekfhehdosltu	数学常熟e升至x的幂kapthulaxhmenozrrhykbickcitibljewkqjn	exp(3)mncwkwdzoqnglnzpmwuautys
absxfjhzbwsmwugmeogoumerbhgmqpqclzirojfjttuteuuaqbz	绝对值lsiwxndmjeyrhpjtolugyc	2=abs(-2)tvctwiguiovay

2、常用三角函数运算公式

vnekraeqsmtxbjfyoijwwfrmrbolkgdv

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。

vnekraeqsmtxbjf

vhaopozlwsun

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

nujuhlpcvhrrbslpiindivxfioiaawnhhd

常用三角函数公式rhvpoxydwg

函数的语法kpdlwjcumitkjuzh xzioxnppyzutuoryidilwlwhuxkfrzalxsdjvni	说明 ynwltgugoitshgrqqpsjkpkd	示例wenbvnvtoiuunnfc
sin sauzdmguynnmkamvafguxfzgsp	正弦 guyltwbsyhcsutuagehdooiopnkjwvkgvwwhaxxpavicqgvwc	已知c和A，a=c*sin(A)gijeeggpywfhmvczydnhutkescauj
cossrhrthmmhdzjxblakswfbpcbiizvurdfjjfbpnqlqnitb	余弦gijeeggpywfhmvczydnhutkescauj	已知c和A，b=c*cos(A)cfceiiqjcmmfigqqydfhzncuvvb
tanxzioxnppyzutuoryidilwlwhuxkfrzalxsdjvni	正切 sauzdmguynnmkamvafguxfzgsp	已知a和B，b=a*tan(B) mwnurnhehcaacdipspnzozeoibbaefr
asinfwbstjgnjhtufzhwwcbrutqeourrlekfhehdosltu	反正弦cfceiiqjcmmfigqqydfhzncuvvb	已知a和c，A=asin(a/c)xtdkwvosjgzvuqz
acos sauzdmguynnmkamvafguxfzgsp	反余弦 guyltwbsyhcsutuagehdooiopnkjwvkgvwwhaxxpavicqgvwc	已知a和c，B=acos(a/c)sfestaftrydynlkklnceezabibmbhpdxaoxyg
atanmcsrihadnylkddyqvpiakeemofnimdrzczhgmhljfsjymt	反正切yfleolsgtbanqmwtsa	已知a和b，A=atan(a/b)zqzttpmciejiggnxigmmvu

3、圆运算公式srygmrlzlamazfixnaqnr

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。vjkbzrntodsxrirlumb

圆运算公式_{iwwqlmabvvjztuxqounaqdxjgrxxcbpxkcqzgjmsyatjyxdo}

函数的语法kpdlwjcumitkjuzh yfleolsgtbanqmwtsa	说明mncwkwdzoqnglnzpmwuautys	示例qxjdzheupemjbvmisgqaibtueoxjekqxwfnrtpcqekqrdjgyo
pigijeeggpywfhmvczydnhutkescauj	圆周长与直径的比blqqdfatsppfrayo	圆面积=pi*r^2skkkngsuotzzibjadbqiulxxa

4、其他运算公式

lrvodzwhoqgqvfacwmgzfdrnzbcyvbrsfvwiovozt

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。zfvbhhtztft

函数的语法skkkngsuotzzibjadbqiulxxa	说明ihfbsnfvxxehqdipmdiwxoywdfwtrrobppqgsvxcxyp	示例ufzmsgoivynewrh
舍入(X） rvspwtnvkflaonxwejenvoa	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。fyczdoigixcdunjkxgabkaxrmimuavgjzfze	round(3.1) = 3 round(3.5) = 4xxrpbdwaozwauryosmoyujngedyhncwz round(-3.7) = -4paeawoeljzclmunhj udisakbzjkpjsilrlxlhxbdjpiaxspyhciddyutpsg
向上舍入(X)iengwcdaphfvrxdkcyllpdnazqjfpnniiimjbptioah fyczdoigixcdunjkxgabkaxrmimuavgjzfze	向上舍入函数将值返回为大于或等于X的最大整数值tvctwiguiovay	roundup(4)=4wsmgzfdlbpnbiaqndpuybpgjgbrpdmulbyk roundup(4.1)=5srutxptqbm roundup(-2.7)=-3ujkctiuxkmjjyqrypcfwxlljgjajxdlmqfvdolezqprc ufzmsgoivynewrh
向下舍入(X)sfestaftrydynlkklnceezabibmbhpdxaoxyg	向下舍入函数将值返回为小于或等于X的最小整数值ptbmqtcgqyhkcfrs	rounddown(3)=3giscctnqgldusnvkigol rounddown(2.7)=2 hpionsjuefgjnppadimnqgtwwatlbjqfclngfbzkyuffzdlctjbcrcqseiniapcylcuf rounddown(-5.7)=-5iqrkvmloxkxzmkcp iwwqlmabvvjztuxqounaqdxjgrxxcbpxkcqzgjmsyatjyxdo xzioxnppyzutuoryidilwlwhuxkfrzalxsdjvni

dbszevaizodjyeuabqvmxqkra

5、应用示例brocxedpfczeqgnlkdrhnfqobypqbzkgtsmljihjlsdk
zfvbhhtztft

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。paeawoeljzclmunhj

Revit中有效公式语法和应用详解_{qxkentmwdcyesoch}

srutxptqbm

Revit中有效公式语法和应用详解yoijwwfrmrbolkgdv

aotaetwijqlrekyjiosvuxlexwvwp

rpmgrcpdhcispwplaqhuxvvbkjrbcrdilmocdxfcfzmtxdighj

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

vnekraeqsmtxbjf

vhaopozlwsun

aimpbxttqoahpojkpvuesoybeecukgznallpnxhehnocq

nujuhlpcvhrrbslpiindivxfioiaawnhhd

gsznjfcsyvozoretsc

awqyputuhzlyznmtelesvaxwvwpattjcwolnjjadhfxlkarl

yuffzdlctjbcrcqseiniapcylcuf

_{qxuhzivwpqyaovvdstcremjjm}