Help me with this lisp

HI !

I HAVE A LISP, WHEN I DO, DISPLAY ERROR: NO FUNCTION DEFINITION: DTR

CAN YOU HELP ME !

THANKS ALL !

HAVE A NICE DAY !

;;; VE HUONG CHI
(defun C:HN (/ stp ep d1 d2 d3 d4 d5 ds ang d6 old_err old_hcosmode)
(setq old_err *error*
     *error* hc_err)
(setvar "CMDECHO" 0)
(setvar "BLIPMODE" 0)
(setq old_hcosmode(getvar "Osmode"))
(setvar "Osmode" 0)
(setq stp(getpoint "\nDiem Moc Cua Huong Chi:"))
(if(/= stp NIL)
  (progn
     (setq ep (getpoint "\nHuong:" stp))
     (setq ds (distance stp ep) ang (angle stp ep))
  )
 (princ "\nKhong xac dinh !") 
)
(if(and stp ep)
(progn
 (setq d1(polar stp (+ ang (dtr 90)) (/ (* ds 2) 3) ) 
       d6(polar stp (- ang (dtr 90)) (/ (* ds 2) 3) ) 
       d2(polar d1 ang (/ ds 2) )
       d3(polar d2 (+ ang (dtr 90)) (/ ds 3) )
       d5(polar d6 ang (/ ds 2) )
       d4(polar d5 (- ang (dtr 90)) (/ ds 3) )
 )
 (command "_.PLINE" d1 "W" "0" "0"
                    d2 d3 ep d4 d5 d6 d1 "" 
          "_.CHPROP" "L" "" "C" "4" "")
)
);end if.
(setvar "Osmode" old_hcosmode)
(setq *error* old_err)
(princ)
)

Add this to your code:

 
(defun DTR (deg) (* deg (/ PI 180)))

Where do i insert your code into my code ?

Add this to your code:

 
(defun DTR (deg) (* deg (/ PI 180)))

Where do i insert your code into my code ?

[color=slategray](defun C:HN (/[/color] [color=blue]dtr [/color][color=slategray]stp ep d1 d2 d3 d4 d5 ds ang d6 old_err old_hcosmode)[/color]
[color=blue](defun dtr (deg)[/color]
[color=blue](* deg (/ PI 180)))[/color]      
[color=slategray](setq old_err *error*[/color]
[color=slategray]     *error* hc_err)[/color]
[color=slategray](setvar "CMDECHO" 0)[/color]
[color=slategray](setvar "BLIPMODE" 0)[/color]
[color=slategray](setq old_hcosmode(getvar "Osmode"))[/color]
..............

since you're only using it once might as well change all this

(+ ang (dtr 90))

to

(+ ang 1.5708 )

to prevent the overhead on defining a sub-function to run for a single value of 90

Thank you very much !

[color=slategray](defun c:hn (/[/color] [color=blue]dtr [/color][color=slategray]stp ep d1 d2 d3 d4 d5 ds ang d6 old_err old_hcosmode)[/color]
[color=blue](defun dtr (deg)[/color]
[color=blue](* deg (/ pi 180)))[/color]      
[color=slategray](setq old_err *error*[/color]
[color=slategray]     *error* hc_err)[/color]
[color=slategray](setvar "cmdecho" 0)[/color]
[color=slategray](setvar "blipmode" 0)[/color]
[color=slategray](setq old_hcosmode(getvar "osmode"))[/color]
..............

 

since you're only using it once might as well change all this

(+ ang (dtr 90))

to

(+ ang 1.5708 )

to prevent the overhead on defining a sub-function to run for a single value of 90

Hi vnanhvu, it is a "basicly" problem. Just copy Ahankhah code anywhere in your lisp to load, or change directly with formula like pBe, or use acet-dtor instead of dtr (if you have Express Tool)

Or just work in radians.

since you're only using it once might as well change all this

(+ ang (dtr 90))

to

(+ ang 1.5708 )

 

to prevent the overhead on defining a sub-function to run for a single value of 90

(+ ang 1.570796326794896)

That was calculated using:

(rtos (/ PI 2) 2 16)

Though even that's not as accurate as going with calculating half of PI, or using a more accurate display like in windows's Calculator: 1.5707963267948966192313216916398

If you use the reduced value(s) you'll get lines which are not quite perpendicular, only close to. And even lines which won't properly intersect.