This kind of a points list is a typical application for "repeat with ..
step",
we had it here recently ...
on mouseUp
repeat with j=0.1 to 12.5 step 0.1
put cr & (sin(j)*cos(j)*300 + 400, cos(j)*300 + 400) after pts
end repeat
set points of grc "g1" to char 2 to -1 of pts
end mouseUp
Richmond wrote
> Usual nonsense: replying to my own postings:
>
> The problem lies in my relying on put (KOUNT * 10) into LYNE
>
> to supply me with continuous line numbers for my listField, now sorted
> out:
>
> on mouseUp
> put empty into fld "f1"
> put 0.1 into KOUNT
> put 1 into LYNE
> repeat until KOUNT > 12.6
> put ( ( ((sin (KOUNT)) * (cos (KOUNT)) ) * 300) + 400) into LR
> put ((((cos (KOUNT)) ) * 300) +400) into TB
> put (LR & "," & TB) into line LYNE of fld "f1"
> add 0.1 to KOUNT
> add 1 to LYNE
> end repeat
> set the points of grc "c1" to fld "f1"
> end mouseUp
>
> The IDE did not help with its cryptic message.
>
> R.
>
>
> On 27.07.2016 16:46, Richmond wrote:
>> Of course part of this could be the problem that my initial curve
>> generation script leaves empty lines in
>>
>> the listField that contains the points of the curve.
>>
>> R.
>>
>>
>> On 27.07.2016 16:44, Richmond wrote:
>>> So I have a graphic object generated like this:
>>>
>>> on mouseUp
>>> put empty into fld "f1"
>>> put 0.1 into KOUNT
>>> repeat until KOUNT > 12.6
>>> put (KOUNT * 10) into LYNE
>>> put ( ( ((sin (KOUNT)) * (cos (KOUNT)) ) * 300) + 400) into LR
>>> put ((((cos (KOUNT)) ) * 300) +400) into TB
>>> put (LR & "," & TB) into line LYNE of fld "f1"
>>> add 0.1 to KOUNT
>>> end repeat
>>> set the points of grc "c1" to fld "f1"
>>> end mouseUp
>>>
>>> (where grc "c1" is a pre-existing graphic)
>>>
>>> and a button containing this:
>>>
>>> on mouseUp
>>> move grc "g1" to the points of grc "c1" in 10 seconds
>>> end mouseUp
>>>
>>> and all should be fine, but it isn't, because on attempted execution
>>> of the button I get this:
>>>
>>> "button "GO": execution error at line 2 (move: end point is not a
>>> point), char 21".
>>>
>>> All very mysterious, Richmond.
>>>
>>> P.S. Before Mark, Jacque or Richard try it; there is a comma before
>>> my name!
>>>
>>
>
>
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