TIN Flow Arrows - Head Size / Ratio

[Tim Kendrick]

I have Flow Arrows but a 1:10 size ration between the main line and head size means they are not clear for my project.
With a line of 1m the head arrows are just 0.1m each.
Is there a setting for me to change the head size ratio say to 1:5 or to a fixed length.

[Ed Wilson]

probably not the hardwired ones.
But there were macros bouncing around which created arrow strings (slope coloured etc) colour and in that case you potentially do whatever you like, ie use differnt symbol ...

[Tim Kendrick]

Thanks Ed. Not sure how to find any of those posts.
Just did a Forum search and nothing in the results about that.

[Sam Cech]

Are you talking about the view toggle settings?

[Ed Wilson]

Tins =>Tin analysis =>Flow arrows ?

[Sam Cech]

both those things are just a visual aid

would have thought the RainDrop (tear drop) options/macros is what you really want/need

discussion:
viewtopic.php?f=13&t=1086&p=59434&hilit=raindrop#p59434

Matts one
https://www.advanced12d.com/12d-rain/

the other one
http://macros.tatras.co.nz:8881/publish ... 95ffda841a
(which you can limit the length of the path and have many points in the source)

and the one in
Tins =>Tin analysis =>Rain Drop

[Tim Kendrick]

Visual aids are good for us.
But, to present it in an AutoCAD project file it is useful to use 12D Export to DWG.
Rain / Tear Drops are not suitable right now because the contours are so close together down a long hill.
Only Flow Arrows will do. But they need to be visible once exported.
Any more ideas anyone? A Feature request to 12D coming up??

[Matthew Monk]

Any more ideas anyone? A Feature request to 12D coming up??

If you can't find an existing macro, writing a macro (or getting one written) would be the easiest. Put a custom symbol in each triangle in the direction of the downward slope. Would be slow for large tins, but symbols would let you do whatever you want. Could even scale based on magnitude or triangle area.

[Sam Cech]

read:
viewtopic.php?f=4&t=7140&p=32925&hilit= ... row#p32925

delete the arrow is possible - see that chain paul uploaded there

set the linestyle to show what ever size arrow you want (do in cad as layer setting) the end point is always the direction, or reverse them and make it the start