Re: [Therion] Drawing lines with graphic tablet

[Martin Sluka via Therion]

You may create angular line (not create bezier handles in points) and than use 
function smooth line.

M.

> 13. 7. 2022 v 22:10, Tarquin Wilton-Jones via Therion :
> 
>> I was wondering if it would it be possible (and easy) to add a new line
>> type that is more similar to Illustrator's pencil tool?
> 
> Sorry, I do not know about whether you can draw lines like that in
> XTherion.

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Re: [Therion] Drawing lines with graphic tablet

[Martin Sluka via Therion]

Scraps are one of basic feature of Therion. One may draw only one scrap in 
time, not take into account surrounding passages, what is above, what is 
bellow. 

You may generate map with only one scrap of all system, you may generate map of 
only two scraps one from first system, second from second system just to look 
for connection. Etc.

Big scraps are more easy to draw, you don’t need to connect several small 
scraps, but it may bring complications later.

M.



> 14. 7. 2022 v 9:01, Csongor Zih :
> 
> I don't think handling of scraps was changed at all, but in my testing it has 
> always achieved better performance than XTherion. The only thing that it 
> doesn't handle as well are large XVI files, because XTherion renders those 
> very efficiently. Other than that, big scraps should work just the same as 
> small scraps.
> 

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Re: [Therion] Drawing lines with graphic tablet

[Martin Sluka via Therion]

There are two mode for cursor:

1. selection mode
2. draw mode

The simplest way to change drawing mode to selection mode is to press [ESC] key.

M.

> 13. 7. 2022 v 18:09, Francesco Serafin :
> 
> when the pen touches the tablet, a new point is created

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Re: [Therion] Drawing lines with graphic tablet

[Francesco Serafin]

Hi Tarquin,

*> However, you can in TopoDroid. *
Thank you for mentioning TopoDroid, this could be a very good solution in
fact.

*> Perhaps by tapping repeatedly as you "draw" your stroke. *
You are right, in fact when I tested the drawing tablet this is how I drew
some lines. It was a bit like doing pointillism - especially on long walls.
It certainly works, it may just be a little impractical when the cave is
very long perhaps... Maybe it is just a matter of practicing.

Thank you

Francesco

On Wed, Jul 13, 2022 at 4:10 PM Tarquin Wilton-Jones via Therion <
therion@speleo.sk> wrote:

> > I was wondering if it would it be possible (and easy) to add a new line
> > type that is more similar to Illustrator's pencil tool?
>
> Sorry, I do not know about whether you can draw lines like that in
> XTherion. However, you can in TopoDroid. It creates lines with loads of
> line points, and no Bezier curves.
>
> Then you open it in XTherion, right click the line, select "Edit line" -
> "Convert to curve". XTherion will turn it from a series of points into a
> Bezier curve.
>
> So if you could find a way to create a set of dots instead of Bezier
> curves, then XTherion can handle the second part of your request.
> Perhaps by tapping repeatedly as you "draw" your stroke. Just make sure
> you do not create any drag handles, because if you do then Therion
> cannot create a curve from the line.
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Re: [Therion] Drawing lines with graphic tablet

[Tarquin Wilton-Jones via Therion]

> I was wondering if it would it be possible (and easy) to add a new line
> type that is more similar to Illustrator's pencil tool?

Sorry, I do not know about whether you can draw lines like that in
XTherion. However, you can in TopoDroid. It creates lines with loads of
line points, and no Bezier curves.

Then you open it in XTherion, right click the line, select "Edit line" -
"Convert to curve". XTherion will turn it from a series of points into a
Bezier curve.

So if you could find a way to create a set of dots instead of Bezier
curves, then XTherion can handle the second part of your request.
Perhaps by tapping repeatedly as you "draw" your stroke. Just make sure
you do not create any drag handles, because if you do then Therion
cannot create a curve from the line.
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Re: [Therion] Drawing lines with graphic tablet

[Csongor Zih]

Hi Francesco,

This isn't exactly an answer to your question, but have you thought about
using wtherion?
https://github.com/daem-on/wtherion


It's an alternative to XTherion and among others it has the feature you
described (aka freehand drawing).
It's not fully released yet but you might still find it useful. You can
also find end-user documentation on the page above.

Csongor

Francesco Serafin  ezt írta (időpont: 2022.
júl. 13., Sze 18:09):

> Hi everyone,
>
> I tried to draw the cave's walls in therion's map editor using a graphic
> tablet to have a finer control over the lines' shape and obtain a more
> realistic-looking cave shape.
> This method didn't work because therion's map editor uses Bezier curves to
> draw lines: when the pen touches the tablet, a new point is created - but
> any further movement of the pen will only adjust the curve's tangent at
> that point and doesn't extend the line. To create new points one must lift
> the pen and press again so the result is again imprecise.
>
> I was wondering if it would it be possible (and easy) to add a new line
> type that is more similar to Illustrator's pencil tool? With the pencil
> tool one can hand-draw a path by continuously moving the pen on the tablet
> (without lifting it). When the pen is lifted, the software calculates a
> Bezier curve from the path.
>
> Thank you
>
> Francesco
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[Therion] Drawing lines with graphic tablet

[Francesco Serafin]

Hi everyone,

I tried to draw the cave's walls in therion's map editor using a graphic
tablet to have a finer control over the lines' shape and obtain a more
realistic-looking cave shape.
This method didn't work because therion's map editor uses Bezier curves to
draw lines: when the pen touches the tablet, a new point is created - but
any further movement of the pen will only adjust the curve's tangent at
that point and doesn't extend the line. To create new points one must lift
the pen and press again so the result is again imprecise.

I was wondering if it would it be possible (and easy) to add a new line
type that is more similar to Illustrator's pencil tool? With the pencil
tool one can hand-draw a path by continuously moving the pen on the tablet
(without lifting it). When the pen is lifted, the software calculates a
Bezier curve from the path.

Thank you

Francesco
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