Abridged summary of comp.lang.tcl@googlegroups.com - 7 updates in 2 topics

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Abridged summary of comp.lang.tcl@googlegroups.com - 7 updates in 2 topics

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Helmut Giese <[hidden email]>: Sep 10 05:03PM +0200

Hello out there,
the following small script shows a surprising behaviour.
---
package require Tk
package require math::geometry
namespace import math::geometry::*
foreach ch [winfo children .] ...more
Rich <[hidden email]>: Sep 10 03:39PM

Helmut Giese <[hidden email]> wrote:
 
This is what sticks out to me as the cause of the error message:
 
> set line1 [$c create line $rectAsLine -fill red -dash {4 4}]
^^^^^^^^^ ...more
greg <[hidden email]>: Sep 10 09:50AM -0700

Am Dienstag, 10. September 2019 17:03:30 UTC+2 schrieb Helmut Giese:
> What am I doing wrong?
 
> Thank you
> Helmut
 
#an additional proc
proc findLinePolylineIntersection { line polyline } { ...more
Helmut Giese <[hidden email]>: Sep 10 09:53PM +0200

On Tue, 10 Sep 2019 15:39:25 -0000 (UTC), Rich <[hidden email]>
wrote:
 
 
>You omitted a dollarsign when you tried to ask for the coordinates of
>line 1. You ended up asking the canvas for ...more
[hidden email]: Sep 10 01:00PM -0700

This one finds the first intersection found of the line segment with the polyline.
 
proc findLineSegmentPolylineIntersection {line poly} {
if {4 != [llength $line]} {
error "$line is not a ...more
Helmut Giese <[hidden email]>: Sep 10 10:03PM +0200

On Tue, 10 Sep 2019 09:50:31 -0700 (PDT), greg
 
>puts "[findLinePolylineIntersection [$c coords $line2] [$c coords $line1]]"
 
>best regards
>greg
Hi Greg,
an interesting proc. ...more
daneyul <[hidden email]>: Sep 09 02:43PM -0700

Hi,
 
On a High Sierra Mac, using XCode 9.4.1.
Compiling TCL/TK 8.6.9.1 in stand-alone (embedded mode).
 
I'm not able to compile a version to work with earlier than OSX 10.13 (High Sierra). ...more
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