Offset of all cross section ordinates in Aqua

SOFiSTiK Teddy
1

I draw a rectangle in Aqua w/o YM, the result is a rectangle.
1
With YM, I expect a shifted rectangle in Y direction, but the result is a shifted parallelogram.
2

POLY TYPE O MNO 1 YM 50
VERT NO Y Z REFP
101 0 0
102 ‘=B’ 0 101
103 0 ‘=H’ 102
104 ‘=-B’ 0 103

According to Aqua:

YM and ZM can Offset of all cross section ordinates

  1. Why only point 103, 104 gets additional 50 in Y direction?
    This is the Y coordinates, I expect they should be in the middle column (expected)
    3
  2. If I want to shift a shape using YM, ZM, how to do it in Aqua?

The dat is attached

RECT.dat (475 Bytes)

2

Hello,

The parameter YM or ZM shifts the coordinate system.
The coordinates of VERT are relativ to this new coordinate system. Everytime a point refers to the coordinate system, the new value YM or ZM is used. If you refer to a polygon point, nothing changes. This means Y=0 is actually Y=YM.
For example:

SECT	1
POLY	TYPE	O	MNO 1   YM  50
VERT	NO	Y	 Z      REFP
	101	0	 0
	102	'=B'     0      101
	103	0	 '=H'   102
	104	'=-B'    0      103

This could als be written as

SECT	2
POLY	TYPE	O	MNO 1
VERT	NO	Y	 Z	 REFP
	101	50	 0
	102	'=B'     0       101
	103	50	 '=H'    102
	104	'=-B'    0       103

And what do you expect from shifting the cross section?
If you want to move the crosssection, just add 50 to the Y-Values.

Best regards,
Frederik Höller
Your SOFiSTiK Support Team

3

Thanks，

I wish to use both YM, ZM to shift a cross section to make compound sctions,
and to use REFP to simplify my input.
But unfortunately, combination of YM, ZM and REFP won’t work.