How Do I Use PPF Appropriately?

In the IPVMU class, we are studying PPF using our PPF guide. Now that we have gone through the detailed math and issues involved, one attendee had a very good question that I wanted to answer here:

Should you determine your PPF requirements first and then lighting, lenses and real world issues? Or...

***** *** ******?

*** ********* **** ** **** **** ***** *** *********** *********. Here's *** * ********* *********** *** *******:

* - **** ** *** *********** ** *** *** **** for *** ******? ** **** ****** ** *** ******** ****** of ******** **** **** *** **** ** *** ****** ** find ** ******* ******** ** ** ** ** ** *** a ***** ******* ** ******? **** ***** ** ***** ** start. ** *** **** ** **** **** ** *** *** user *** ********** ***** *** ***** ****. ** **** ******** images, *** *** ****** ******* ** *****+.

* - *** **** *** **** ** **** **** *** end **** **** ** *****? ** ** * ****** ***** path ** ** ****** ******* ***, ***.? **** ***** ** understanding **** *******.

** ******, *** *** **** ** ***** ***** *** *** user ***** ********* ******* ***********, **** * ****** ****** ******* facial ******* ****** * *** ***** ******* ***. **** ****** you *** **** ******** ******, ***'** **** ** ******* *** reset ************.

* - ** **** *****, * ***** ***** ******* ** lighting ******: ***** **** *** *** ****? ***** **** ** set? *** ****** ** ** ****** **** ** ****? ** night, **** ****** *** **? *** ****** *** ****?

** ***** *** ****** **** *** ***, * ***** **** ppf ************ ***** *** **** *** ******* * **** *****-****** WDR ******. ** *** ***** ** **** **** (** ****** street ********), *** ****** ********* *** ***** ** ****** **** to (*) *** **, (*) *** ****** ******** ** (*) set ************ ** **** **** ****** ** *****. **** **** more *****, *** ****** ***** ***'* ** ** **** *** they ********* **** ******* * ***** ******* ** ********.

**********, * **** ** ** ** ********* ******* ******* **** education ** *** *** **** ***** **** ****** ********** *** real ***** ********* *** ****** **** ** ***** **** **** want ** **** **.

*** ******* ** *** ***'* **** ***** **** ****, ***** high ******, *** ** ******** ***** ******** - **** ****** understandably ***** **** ***** **** ****. **** ******* ***** ********, explain **** *** **** *** **** ********** ********* ***** *** end ****'* ***********.

*****'* * *** **** ** *** ******* ****. * **** wanted ** ***** **** * *** ********.

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**** *'* ******* **** ** **** ***** ** ****** ** something * **** ** ****** * ******* *******. * ***** want ** **** *** "**** **** *** ****** ******* *** check ****** **** *** ***?". * *** ******** ***** ** mine ** **** "** *** ***** *** *******, **'* **** a ****** ** *****". ******* **** ****** **** **** ******* a **** ** "****'* **** *** *** *** *** **** budget, ****'* **** ** ***** **** ** ***** **** ************", and ** *****. ** *** ******** ** ********** **** **** explanations, **** ****** **** ********** **** ***'** *** ****** ** rip **** *** ** **** **** *** ***** *****.

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**** *******. **** ****** ****** ** ********** *** ******. ***** you.