Newest functions Upload a function Leave a tip My account

There are 2,572 functions in this library.

PolygonAreaHelper ( xlist ; ylist ; prevDep ; prevDMD ; i ; list

Helper function for PolygonArea

  Average rating: 4.5 (29 votes) Log in to vote

Jeremiah Small - Show more from this author Soliant Consulting, Inc. https://www.soliantconsulting.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

//note: dunning's site is truncating this Function //Last argument should be "listLength" not "list" //PolygonAreaHelper ( xlist ; ylist ; prevDep ; prevDMD ; i ; listLength ) //dependency: must be called from main function, PolygonArea Let ([ i = i+1 ; Lat = MiddleValues ( ylist ; i ; 1 ) - MiddleValues ( ylist ; i-1 ; 1 ) ; Dep = MiddleValues ( xlist ; i ; 1 ) - MiddleValues ( xlist ; i-1 ; 1 ) ; DMD = Dep + prevDep + prevDMD; DArea = Lat * DMD ]; DArea + If ( i < listLength ; PolygonAreaHelper ( xlist ; ylist ; Dep ; DMD ; i ; listLength ) ; Let ([ //innerLet Lat = MiddleValues ( ylist ; 1 ; 1 ) - MiddleValues ( ylist ; listLength ; 1 ) ; Dep = MiddleValues ( xlist ; 1 ; 1 ) - MiddleValues ( xlist ; listLength ; 1 ) ; DMD = Dep * -1 ; DArea = Lat * DMD ]; DArea )//endInnerLet )//endIf )//endLet Click to copy

NA (see PolygonArea)

 

Comments

Log in to post comments.

 

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

Support this website.

This library has been a free commmunity resource for FileMaker users and developers for 21 years. It receives no funding and has no advertisements. If it has helped you out, I'd really appreciate it if you could contribute whatever you think it's worth: