UV MAPPING

uv mapping is actually UVW MAPPING. U being the horizontal (x-axis), V being the vertical (y-axis) . It is like the XYZ axis of a 2d plane but since XYZ  are used to denote 3D planes UV is used for the 2D planes.

Its is a 3D modeling process of projecting a 2d image on the surface of a 3D model for texuture and depth.(UV mapping, 2017) UV texture space facillitates the placement of an image or a texture map on a 3d surface. UVs are essential as they act as marker points for which points as in pixels of the image or texture go to which vertices or planes of the3d object. (Help, 2014)

 

440px-uv_mapping_checkered_sphere

A chequered sphere without (left) and with (right) UV mapping.(File: UV mapping checkered sphere.png, 2007)

In order to do uv mapping uv unwrapping has to be done which can me one of the most tedious part of 3D graphics.

uvmapping_screenshot02

Cube_Representative_UV_Unwrapping.png

Representation of unwrapping and creating a UV map of the cube, once the flat surface is made the 2D texture or image can be added to the 3D cube. (File: Cube representative UV Unwrapping.png, 2008)

TEXTURING

Texturing is the process of adding different textures to different components of the object or a character or an envirnment in an animation or a game  it is how professional animators are able to produce astonishing details, This detailing may include clothing, skin texture eve eye colors incase of characters or the leaves of the tree to the grains of the sand incase of envirnments,  the texture of the objects defines the object in many ways but before adding this texture we must question ourself what feel do we want to give off by the teuture is the part old? if yes then according to the material it has to be shown for example if its an old metal it will be rusted, it wont be shiny or silver but brown and rough another example if its a cloth and its old it will be crinkled and ripped off from some parts with faded colors.(Ltd, no date)

fox_before_and_after_by_failurecrusade

 

In the image above you can see how much dept and detail is created by texturing it gives a more realistic effect. (MrMattWebb, 2010)

kila-pt4-v2-preview.jpg

 

 

 

 

(Erika, 2014)006_texturing

By using texture to give illusion of surface, animators are able to give photorealistic images showing the dept, opacity, age  and material of the object. (ali, 2012)

SHADERS

The shader defines the material and surface properties of the textured object, they are a set of parameters that outline to how the computer should show the surface of the object. The light reflection/refraction, opacity and glossiness of the object is determined by the shaders, which is already included in 3D softwares and we just have to twerk the settings a little to get our final look. Each mappable object have series of mappable attributes such as colour, diffuse, transparency, opacity, ambient colour, incandescence, translucence, specularity, bump map, bit map.

model_comparision

Screen Shot 2017-02-20 at 2.29.28 AM.png

(NAVIDA, n.d.)

all of the above attributes give a different and a more realistic look to the model according to its surface and material.

RIGGING

Is the process by which when a character is set up for animation all of its possible movements and gestures are taken in account.

(Ward, 2013)

ANIMATION

By all the steps taken above and most importantly the rig the animator is able to finally breath life and movement to the character in the animation or game.

bearwalking.gif

(McCracken, 2017)

 

REFERENCES

UV mapping (2017) in Wikipedia. Available at: https://en.wikipedia.org/wiki/UV_mapping (Accessed: 6 February 2017).
Help (2014) Introduction to UV mapping. Available at: https://knowledge.autodesk.com/support/maya/learn-explore/caas/CloudHelp/cloudhelp/2015/ENU/Maya/files/UV-mapping-overview-Introduction-to-UV-mapping-htm.html (Accessed: 6 February 2017).
File: UV mapping checkered sphere.png (2007) in Wikipedia. Available at: https://en.wikipedia.org/wiki/File:UV_mapping_checkered_sphere.png (Accessed: 6 February 2017).

 

File: Cube representative UV Unwrapping.png (2008) in Wikipedia. Available at: https://en.wikipedia.org/wiki/File:Cube_Representative_UV_Unwrapping.png (Accessed: 6 February 2017).

Ltd, B. (no date) What is Texturing in animation? Available at: http://arts-literature.blurtit.com/78673/what-is-texturing-in-animation- (Accessed: 6 February 2017).
MrMattWebb (2010) Fox before and after Texturing image – angels fall First: The Second Antarean war. Available at: http://www.indiedb.com/games/angels-fall-first-the-second-antarean-war/images/fox-before-and-after-texturing (Accessed: 6 February 2017).
Erika (2014) 3D production. Available at: https://ev111426.wordpress.com/category/research/ (Accessed: 6 February 2017).
ali, jafar ahmed (2012) Making of deserted village. Available at: http://www.evermotion.org/tutorials/show/7984/making-of-deserted-village (Accessed: 6 February 2017).
Ward, A. (2013) Game character creation series: Kila chapter 6 – basic character rigging. Available at: https://cgi.tutsplus.com/articles/game-character-creation-series-kila-chapter-6-basic-character-rigging–cg-31083 (Accessed: 6 February 2017).
McCracken, H. (2017) This animated GIF of a 3D bear has a secret. Available at: https://www.google.ae/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwiF2P2Xop3SAhXIKMAKHR7UCIkQjxwIAw&url=http%3A%2F%2Ftime.com%2F63981%2Fthis-animated-gif-of-a-3d-bear-has-a-secret%2F&bvm=bv.147448319,d.ZGg&psig=AFQjCNHpLWDvpmz1qEUBiZC5UBbrerkkjw&ust=1487631606945779 (Accessed: 6 February 2017).

NAVIDA. (n.d.). DirectX 11 Tessellation | NVIDIA  from http://www.nvidia.com/object/tessellation.html

openGL and JOGL. (n.d.). Retrieved from http://www.felixgers.de/teaching/jogl/depthbufferALgo.html

 

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