Hi
just a short note to this discussion
I dont use WB but do some looping in some off my mapping files, Nisse writes
that you have to use a Tester to check when to leave the loop
The looper is based on the BranchingFactory and this factory has a build in
tester - working exactly like a TestFactory - but it dont look like this
functionality is used in WB, beleow is an exampel on how to implement this
in a mapping file
the exampel will dublicate a point and then replace it dxy until X > x1
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- -
FACTORY_DEF * TeeFactory
\
FACTORY_NAME "CREATE GRID: X Loop Start"
\
INPUT FEATURE_TYPE toXLoop
\
OUTPUT FEATURE_TYPE gridPoint
\
OUTPUT FEATURE_TYPE toXLoop
\
@Offset($(dxy), 0 )
FACTORY_DEF * BranchingFactory
\
FACTORY_NAME "CREATE GRID: X Loop"
\
INPUT FEATURE_TYPE toXLoop
\
MAXIMUM_COUNT -1
\
TARGET_FACTORY "CREATE GRID: X Loop Start"
\
TEST @XValue() <= $(x1)
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- -
Peter
>From: "Dahlsten Nils-erik" <[EMAIL PROTECTED]>
>Reply-To: [email protected]
>To: <[email protected]>
>Subject: SV: SV: [fme] Create a Looping FMW
>Date: Fri, 15 Dec 2006 07:59:16 +0100
>
>Hi Steve.
>
>You'll have to use a Tester to decide wether to loop the feature again or
>send it to the OUTPUT node. (See my attached workspace in yesterdays mail.)
>At first this might look akward, but when you start using it you will find
>that it is quite versatile to have the Loop-outputs work this way.
>
>Good luck.
>/Nisse
>
>________________________________
>
>Från: [email protected] [mailto:[EMAIL PROTECTED] För snelsons2006
>Skickat: den 14 december 2006 17:59
>Till: [email protected]
>Ämne: Re: SV: [fme] Create a Looping FMW
>
>
>
>Thanks to all for your suggestions! Will try them out and post any
>success I have.
>
>Regarding the new looping transformer option in 2006GB. Where or how
>do you set the loop 'limit' and where do you specify what value is
>being used to base the loop on? With looping I'm used to setting
>a 'loop until' value, but I don't understand how to set this?
>
>FME Support - a good ol' how to movie would be great for this process.
>
>Steve
>
>
>
>
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