MobiFlight Community Support

I'm not sure how to use this. I would like to add the "PROP FORCE" output value (that has been transformed $/10) to the "WIND FORCE Z" output value. Then I would like to multiply that value by the "RUDDER FORCE" output value.
No clue how to do this but I'm trying... Am I even doing this in the right place?
https://imgur.com/gallery/OfKkrqZ

Right Idea.... But a little wrong settings.....

You missunderstand the "as Symbol" .
You can NOT say there "+" or "*" cause you like to ADD or MULTIPLY it.....

You "define" a symbol there, so we can use this values as Placehodlers (Variables) within the Formula !

NOTE: Its high recommend to use as Symbol here Chars like "A" and NOT math signgs like +-* or so.
Also avoid Chars you will use in the Transfrom field by commands.... e.g. if you write a IF Statement like if($=1,0,1) then "i" and "f" also can not be used as a Placeholder!

So in your Case....
Lets expect you set ProbForce as "A" .... and RudderForce as "B" .

In transform i think you like to divide the WindForce through 1.7 at first.... THEN you like to Add Prop Force .... And finaly you like to multiply it by Rudder Force.
Correct Syntax in Transform : ($/1.7+A)*B

Ah, I see.
I also have to multiply the rudder force by 100. So the resulting formula reads ($/1.7+A)*(B*100). Correct?
There is no need for me to add an entry in the transform field of either the PROP FORCE or RUDDER FORCE pages. I instead do all the math in the WIND FORCE Z transform window.
I also need to only use the PROP FORCE value that is less than 50. I’m guessing here so no laughing. ($/1.7+(A<50))*(B*100) How does that look?

I also need to only use the PROP FORCE value that is less than 50. I’m guessing here so no laughing. ($/1.7+(A<50))*(B*100) How does that look?

I think that is not working ..... A<50 is no correct mathematical term.... You can use it in a IF statement like if a<50 then else.... But A<50 is no correct syntax for itself.

I recommend.... To make it more easy.... Do all the "steps between" within the own Configs.

For example:

Config 1 Read Windforce .... Transform $/1.7 (Include your divide)
Config 2 Read Probe Force .... Transform if($<50,$,0) .... (So it show all Values less then 50 but execute "0" if Value is greater or euqual 50. )
Config 3 Read Rudder Force .... Transform $*100

Finally Config 4 ( Read itself no Value.... So we not use $ Here,) We define the First 3 Configs as Placeholder A, B and C
And Transform here is finally.... (A+B )*C

Means all the "middle Calculations" are done in the base configs already!

Extreme example.....
You could also use as 4th Config a Config without own Offset and only define 2 Placeholders ( A Windforce, B Probe Force)
Transform A+B ..... Lets call thiss Config " CALC1

Then you create another Config and you use as Placehodlers (A = CALC1 B=Rudder Force
Transform A*B


****************
I hope you understand.... There is no need to save Configs or to do all in one line.
For MF its no difference !

This is beginning to make more sense to me. I like the idea of being able to transform each config separately. I tried that yesterday, but my syntax was wrong. My greatest hurdle now seems to be the syntax. Can you recommend a good source to better learn this? I get so confused at the Arduino forums because there are so many different languages that people seem to code in.
For example: The rudder control has a range of -1 to 1 with 0 being centered. I need the negative range to display as a positive range. So that when I move the rudder either way from center it will go from 0 up to 1. I'm going to go search for how to do this.
Thanks,

The needed "Syntax" is not Arduino Language or C++ and so on....
In Mobiflight Transforms ( and Compare) we use a special PlugIn called "NCALC" ....

Here is the Documentation : https://github.com/ncalc/ncalc/wiki

to awnser your question.....

For example: The rudder control has a range of -1 to 1 with 0 being centered. I need the negative range to display as a positive range.

the correct Syntax in transform is.... Abs($)

Abs is the used syntax for the "Absolute-Function" This will change every Value into it´s positive Counterpart .... So -1,234 --> 1,234 // -13 --->13


And for sure... You could solve this with easy math..... IF Value is less then zero then multiply by -1 else show Value..... Syntax: if($<0,$*-1,$)

Cause for example -13 * -1 = 13

Thank you. I spent some time at the ncalc wiki. Going to spend more time there... I'm all ready to hook a motor up and test the rudder force. I'm sure I'll have to play with the numbers to get the feeling right when I go full scale. I'll post back with the progress.