[Therion] Drawing lines with graphic tablet

[Csongor Zih]

Yes, space + drag does that. Depending on what browser you're using this
might not work, also if your cursor is in a text field it will block this.
You can find this on the wiki here:
https://github.com/daem-on/wtherion/wiki/General%20usage

Csongor

Francesco Serafin <francesco.serafin2 at gmail.com> ezt írta (időpont: 2022.
júl. 14., Cs, 5:35):

> Thank you very much Csongor!
> Sorry, I didn't notice that option. Yes, the smallest pen setting works
> wonderfully. All the indentations of the wall can be drawn at that scale.
>
> Many thanks for developing this project, it is very nice.
>
> I'd like to ask a small question please: can I drag the xvi across the
> screen without zooming in and out? I tried combinations of Ctrl+drag,
> Opt+drag but they didn't work. (I am using a Mac).
>
> Thank you
> Best,
> Francesco
>
> On Wed, Jul 13, 2022 at 11:21 PM Csongor Zih <daemon.onwave at gmail.com>
> wrote:
>
>> If I understand correctly, you need the points on the line to be closer
>> together, resulting in shorter segments. This setting can be adjusted under
>> "Tool options" in the options panel for the Draw tool. If you find that the
>> smallest setting (1) is still too large, that would require changes to the
>> code, please let me know.
>>
>> Yes I am the developer of the project, if you encounter any problems I
>> would be happy to help.
>>
>> Csongor
>>
>> Francesco Serafin <francesco.serafin2 at gmail.com> ezt írta (időpont:
>> 2022. júl. 14., Cs, 5:04):
>>
>>> Hi Csongor,
>>>
>>> Thank you for your suggestion. I didn't think about wtherion. It looks
>>> impressive and it's a very nice interface, are you developing it?
>>> From a first look at it, it has the freehand drawing pen that I had in
>>> mind. After importing an .xvi centerline I tried to draw some walls. The
>>> Draw tool works with a continuous drag of the pen, that is great. The only
>>> question I have is this: given the resolution of the survey, it seems that
>>> the smallest segment drawn by the pen is still larger than the features of
>>> the wall. An example is the narrow meander that you see here:
>>> [image: image.png]
>>> The wall's turns are smaller than the pen's resolution. It may be that
>>> one can solve this problem by enlarging the xvi output, but I haven't tried
>>> this yet.
>>>
>>> Thank you,
>>>
>>> Francesco
>>>
>>> On Wed, Jul 13, 2022 at 2:00 PM Csongor Zih <daemon.onwave at gmail.com>
>>> wrote:
>>>
>>>> Hi Francesco,
>>>>
>>>> This isn't exactly an answer to your question, but have you thought
>>>> about using wtherion?
>>>> https://github.com/daem-on/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 <francesco.serafin2 at gmail.com> 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
>>>>> _______________________________________________
>>>>> Therion mailing list
>>>>> Therion at speleo.sk
>>>>> https://mailman.speleo.sk/listinfo/therion
>>>>>
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