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Blender Texture mapping for curve object

MANOCHVARMA RAMAN

MANOCHVARMA RAMAN

Messages
442
Country
malaysia
Hi there,

I am still a new user of blender. I am trying to map a ground polygon with dotted taxi line but the line is not similar in size. This only occur for curved mesh lines. Example are as follow:

Line 2.PNG


The line in middle are bigger than the other lines.

Round dotted.PNG


The above images show the lines are not in similar sizes. Does anyone can help me to solve it? I want all the dotted line to be in similar length so it will be uniform.

Thank you.
 
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Aha, now I see them :-) Thank you.

Tip-1: (since I'm already using Blender, but are not an expert in it (yet):
How about using a Circular Shaped Texture - which has the exact same radius and scale as your ground polygons that you want to cover - instead of a straight-line-texture?
Perhaps that will allow Blender to UV-map/UV-unwrap your circular texture better on the curved line you want to create.

Tip-2: How about using a different UV-Unwrap method for the curved line object?
Have you tried all different UV-map/UV-unwrap possibilities that Blender has to offer?
- https://docs.blender.org/manual/en/dev/editors/uv_image/uv_editing/unwrapping/mapping_types.html
- https://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro/UV_Map_Basics
- https://wiki.blender.org/index.php/Doc:2.4/Manual/Textures/Mapping/UV/Unwrapping

Tip-3: Does the result alter when you put your seams in a different location on the curved object?
- https://docs.blender.org/manual/en/dev/editors/uv_image/uv_editing/unwrapping/seams.html

Here are some nice UV-unwrap tutorials that can help you (too):
- https://www.katsbits.com/tutorials/blender/learning-unwrapping-uvw-maps.php
- http://sophiehoulden.com/tutorials/blender/unwrapTut.html
or look on Youtube for video tutorials about UV-map/UV-unwrapping.
 
First I would like to thank you for providing so many references.
Ronald said:
Tip-1: (since I'm already using Blender, but are not an expert in it (yet):
How about using a Circular Shaped Texture - which has the exact same radius and scale as your ground polygons that you want to cover - instead of a straight-line-texture?
Perhaps that will allow Blender to UV-map/UV-unwrap your circular texture better on the curved line you want to create.
Click to expand...

I would try tip-1 in future. I just wondering it will increase the number of texture file if I need to create just the curved line texture for it. I am trying to reduce the number of texture files (it might help for the sim to load less files). Anyway, i will try it just to check it works or not.
Tip-2: How about using a different UV-Unwrap method for the curved line object?
Have you tried all different UV-map/UV-unwrap possibilities that Blender has to offer?
- https://docs.blender.org/manual/en/dev/editors/uv_image/uv_editing/unwrapping/mapping_types.html
- https://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro/UV_Map_Basics
- https://wiki.blender.org/index.php/Doc:2.4/Manual/Textures/Mapping/UV/Unwrapping
Click to expand...

I have tried all the UV-Unwrap method after referring the above references but it seems doesn't work for me.
Tip-3: Does the result alter when you put your seams in a different location on the curved object?
- https://docs.blender.org/manual/en/dev/editors/uv_image/uv_editing/unwrapping/seams.html
Click to expand...
This seems working, but i am struggling to identify which vertex should the seams placed.
 
I am trying to reduce the number of texture files (it might help for the sim to load less files).
Click to expand...
This question needs to be answered by an experienced Scenery builder over here, since i've only used Blender to create aircraft so far.

This seems working, but i am struggling to identify which vertex should the seams placed.
Click to expand...
Great! something is working :-) Now go ahead with "trial and error" until you get the results you want.

"The mother of all Blender references" can be found here (manual index page) (or search on this forum and/or Youtube about any subject)
- https://docs.blender.org/manual/en/dev/index.html
 
Hi @Ronald,

I tried placing the seams some other places but it doesn't work at last.

With the help of @dave hoeffgen, i found the problem is with the texture. Initial texture is as Image 1. It should be as image 2.

Dotted Line.png


As Dave told me:
The two segments at both ends meet and form one that's twice as long as the others.
Click to expand...

So, i make the end of the texture half of the lines.

Finally it works perfectly. I would like to thank both of you for helping me in this issue.

The Final result:

Dotted Line Success.PNG
 
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