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“3D Artist related Frequently Asked Questions by expert members with job experience as 3D Artist. These questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts”



34 3D Artist Questions And Answers

21⟩ Please explain what are known as Image Blocks?

☛ - Image block is the actual image.

☛ - The size of the image can be of any size.

☛ - The palette of the image can be of any size.

☛ - Other information includes:

1. Size of the picture in pixels.

2. Position of the image on Logical Screen

3. Local palette for the image.

☛ - The size of the image cannot be modified.

☛ - Changing the image size cases data corruption.

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22⟩ Can you please explain the difference between PNG and GIF?

GIF Format:

☛ - LZW compression standards are used in GIF images.

☛ - Traces the colors of the image and reduces the size of the file.

☛ - Best suited for simple animated graphics on the web.

PNG Format:

☛ - PNG(Portable Network Graphics) is a graphic file format for lossless compression.

☛ - It is suitable for raster images storage.

☛ - Indexed-color, grayscale and true color images are supported in PNG format.

☛ - Supports cross platform image brightness and color correction.

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23⟩ What do you know about this company and its working?

When going to the interview it is a good idea to have as much backdrop knowledge of the company as you can. Knowing precisely what they do and other details will make an impression to the employer and show them that you take initiative and you have an interest in the company.

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24⟩ Tell me what is the purpose of Global Color Table?

☛ - Colored table is represented by a sequence of bytes that represents Red, Green and Blue color triplets.

☛ - Global Color Table is used for images with plain text extensions.

☛ - Every global color table’s presence is marked by the Global Color Table Flag.

☛ - The GCT Flag is set to 1 in Logical Screen Descriptor.

☛ - The block contains the number of byes equal to 3 x 2 size of global color table + 1

☛ - One Global Color Table is present per Data Stream.

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25⟩ Please explain about Beneton Movie GIF that creates animated images?

☛ - Beneton Movie GIF allows to create GIF images for greeting cards.

☛ - BM GIF animation maker is full featured software that is simple to use and create GIF images.

☛ - Any image file can be taken as an input file and can be converted to 48 animated file formats.

☛ - Among all, GIF format file creation is well suited for presentations.

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26⟩ Please explain what is Logical Screen Descriptor?

☛ - It is always a second block in GIF file.

☛ - An area of pixels usually referred as screen, is defined by LSD.

☛ - GIF file size is defined by this area.

☛ - When the logical screen is larger than the image, some space is displayed around the image.

☛ - As per the size of the images, the logical screen size need to be set based on the width and height of the images.

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27⟩ Tell me how to optimize an animated GIF?

☛ - Using fewer colors allows reducing the file size.

☛ - Limiting colors and using similar colors from frame to frame.

☛ - To decrease the file size, one more method is to cut down the pixel dimensions.

☛ - The number of frames should be the exact number for the specified animation.

☛ - Identify the file reduction feature in the software that creates GIF image files.

☛ - Implement dithering. Dithering reduces the banding. The image appears smoother by eliminating colors.

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28⟩ Please explain what is XAML?

☛ - XAML stands for eXtensible Application Markup Language.

☛ - XAML is known as a declarative markup language.

☛ - XAML simplifies UI creation for .NET Framework applications.

☛ - Has flexibility to create UI elements in XAML and separate the UI definitions from runtime logic.

☛ - Code behind files support separating UI definitions from runtime logic.

☛ - XAML work flow includes separate elements to work on UI design, business logic by using different potential tools.

☛ - XAML can be represented as text files in as XML files and XML encoding is applied to it by using UTF-8 standard.

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29⟩ Tell me what is Persistence of Vision?

☛ - A phenomenon of the eye.

☛ - By this an after image is persisted approximately 1/20th of a second on the retina.

☛ - Human perception of motion is the end result of vision persistency.

☛ - Visual form of memory that is referred as Iconic Memory is the cause of Persistence of Vision.

☛ - The persistence of vision has two distinct illusions – 1. Phi Phenomenon and 2. Beta Movement.

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30⟩ Tell me what is interlacing?

☛ - Displaying of a single frame of video into two frames.

☛ - Each frame is split into alternating lines.

☛ - The first frame displays odd numbered lines, and the second frame displays even numbered lines.

☛ - The resolution per frame is 480 horizontal lines.

☛ - The number of frames displays per second would be 30.

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31⟩ Tell me do you prefer working in a team or alone as 3D Artist?

In my experience, joint efforts produce better results than an equal number of mutually exclusive staff. Though, I have worked alone and in a team and I enjoy both challenges. My preference is governed by which method provides the best solution to the task in hand.

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32⟩ Explain me what is animation?

☛ - Animation is referred to rapid display of a set of 2D images in a sequence.

☛ - It creates an illusion of movement of objects / displays.

☛ - Most common animation method is a motion picture.

☛ - Full animation is referred to producing high quality motion pictures.

☛ - Limited animation involves less stylized drawings and methods.

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33⟩ Tell me how to animate a text fade in and out?

☛ - Animation of text fade is done with fireworks.

☛ - The changed opacity is from 0% to 100% over a set of frames.

☛ - Later the animation is reversed with another text object with opacity from 100% to 0%

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34⟩ What are your professional strengths as 3D Artist?

As a fine-art professional I see myself as having strong communication skills and the ability to communicate difficult design concepts in simple artistic terms. My training techniques in my previous job reduced the studying time for new graphic design software by 60%.

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