My basic need is to generate a curve based on an equation (4th order polynomial).
I understand one can use FOG laws & parallel curve command to generate curves to follow an equation. To test & get a better feel, I tried a simple equation y=x^2.
My reference line (for parallel curve) length is 50 mm. I am able to create a parallel curve using laws which gives me correct shape but not the value.
My ref line starts from (0,0,0) & extends to (50,0,0). My support plane is XZ for parallel curve and if I measure the distance between the end point of the parallel curve to end point of reference line, I always get the value of 1,000 mm. I was expecting a value of 2,500. My understanding is Catia "measures" the reference line length (x coord at each small interval) and calculates the "y" (or Z in my case) coord value based on the expression (laws) and draws a curve.
I tried defining the y and x parameters in FOG laws as both real & length but get the same result.
Any ideas on what I might be doing wrong? Or is my understanding on how law works completely off? If laws are not suitable, any other functionality in Catia that can be used to accomplish my objective? End goal is to create numerous spines (using different equations) for lofting.
I understand one can use FOG laws & parallel curve command to generate curves to follow an equation. To test & get a better feel, I tried a simple equation y=x^2.
My reference line (for parallel curve) length is 50 mm. I am able to create a parallel curve using laws which gives me correct shape but not the value.
My ref line starts from (0,0,0) & extends to (50,0,0). My support plane is XZ for parallel curve and if I measure the distance between the end point of the parallel curve to end point of reference line, I always get the value of 1,000 mm. I was expecting a value of 2,500. My understanding is Catia "measures" the reference line length (x coord at each small interval) and calculates the "y" (or Z in my case) coord value based on the expression (laws) and draws a curve.
I tried defining the y and x parameters in FOG laws as both real & length but get the same result.
Any ideas on what I might be doing wrong? Or is my understanding on how law works completely off? If laws are not suitable, any other functionality in Catia that can be used to accomplish my objective? End goal is to create numerous spines (using different equations) for lofting.