What is the difference between 2D and 3D pictures, and the difference between 2D and 3D

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The difference between 2D and 3D D is also called two-dimensional, which is a plane figure, and the content of 2D graphics only has a horizontal x-axis and a vertical y-axis. 2D three-dimensional, light and shadow are artificially drawn and simulated. 3D is also called three-dimensional, in addition to the horizontal x-axis and vertical y-axis, there is also a depth of z-axis, three-dimensional graphics can contain 360 degrees of information d is length and width, 3d is length, width and height d is hand-drawn, 3d is modeling.

The so-called 2D refers to the content produced on the two-dimensional plane, for example, the content we see on a piece of paper is often 2D, 3D refers to the three-dimensional, it has more space Qi Ying, so the main difference between 2D and 3D is in two aspects, one is to give people a different sensory experience, and the other is to express different forms. In terms of the same quality, short anime 3D burns money. And the long-form Qing Na anime 2D burns money and 3D saves too much money.

One of the things that saves money over 2D is that 3D doesn't require the original art. To put it simply, for the starting point of a long story**, a character scene will be used for a long time.

D and 2D have different sensory experiences.

dCompared to it, it is more spatial and immersive.

2D is two-dimensional, and what is on a plane is two-dimensional. Two-dimensional, that is, left and right, up and down, there is no front and back. What is on a piece of paper can be seen as two-dimensional.

That is, there is only an area, not a three-dimensional. Two-dimensional is a kind of flat technology, such as ordinary flat animation, called two-dimensional animation, referred to as two-dimensional.

3D is three-dimensional, and three-dimensional refers to the space system composed of a direction vector in the two-dimensional system of the plane. The so-called three-dimensional, according to popular theory, is just three artificially prescribed interleaved directions (perpendicular is a very characteristic understanding), and with this three-dimensional coordinate, it seems that the position of any point in the whole world can be determined. It turns out that three-dimensional is to determine the position.

3. Differences in games.

2D games and 3D games are relatively easy to distinguish, and the easiest way to distinguish between 3D games is to see if you can convert the 360-degree perspective in the game, and if you can, it is obviously pure 3D.

The differences between 2D and 3D include: sensory, game perspective, vision, data.

1. Sensory: 3D is more spatial and immersive. 2D is flat in representation, and 3D is three-dimensional in representation.

2. Game perspective:

The easiest way to distinguish between 3D games is to see if you can convert the 360-degree perspective in the game.

3. Vision: The reason why people can produce stereoscopic vision is caused by binocular parallax. When a person looks at the same object with the left and right eyes, and the two eyes see different angles, that is, there is a difference between the picture seen by the left eye and the picture seen by the right eye, then two different images will be formed on the retina, and the two images can form stereoscopic vision with depth of field after being processed by the brain.

4. Data: The difference between 3D and 2D is in the data, and 2D only has X, Y and pixel size values.

Applications of 3D:

1. Industrial field. 3D technology can be applied to process control, numerical simulation, CAD CAM (computer-aided design and manufacturing) design, industrial inspection file rounding, remote monitoring, hazardous product production and installation, and remote robot visual display, bringing unprecedented realistic visual effects.

2. Medical and health field. 3D technology can provide doctors and experts with direct test and diagnosis and treatment in remote diagnosis, so that staff can obtain more visual information than a flat display. In addition, 3D technology also has very important application prospects in endoscopic image display, ophthalmic disease diagnosis, MRI, CT, B-ultrasound imaging, surgical simulation and virtual hospital.

The difference between 2D and 3D is that the sensory effect is different.

2D movies are ordinary film films, the biggest difference between the two is the viewing effect, 3D is more realistic and realistic, there is an immersive feeling, film movies can not achieve this feeling, as for the sound is not very different.

3D isn't necessarily better than 2D, it's just fresher, and they've caught the attention of many software developers who are attracted to the allure of that Hollywood-style special effects.

There is no doubt that the artistry of 3D animation is not yet fully developed, and for the vast majority of users, it is still a science rather than an art.

Unit animation is easier to understand and in many ways easier to accomplish than 3D animation, but in fact it relies mainly on the intellect of artists who have mastered traditional drawing techniques and rarely on computers, making it less appealing to those who would rather lag behind a No. 2 pencil than a gallop.

3D principle

People look at the same object with the left and right eyes, and the two eyes see different angles, and the image formed on the retina is not exactly the same.

The principle of stereoscopic film is to shoot at the same time with two cameras imitating the perspective of the human eye, and during the projection, two cameras are also simultaneously projected on the same screen for the left and right eyes**, so as to produce a three-dimensional effect.

When shooting stereoscopic films, two cameras need to be mounted on a special gimbal with adjustable angles of leather goods, and shoot at an angle that matches the human eye**. Synchronization between the two cameras is very important, because even a fraction of a second can be incongruous to the left and right eyes; Therefore, it is necessary to make a plate when shooting, so that you can find the synchronization point when editing.

When a stereoscopic film is shown, two projectors are placed in a certain way and the two images are projected on the same screen in exactly the same point and synchronously. A polarizer must be added in front of the lens of each projector, one laterally polarizer and one vertically polarizer (or beveled cross), so that the screen reflects different polarized light into the viewer's eye.

The audience should also wear polarized light glasses when filming, and the polarization direction of the left and right lenses must be matched with the projector, so that the left and right eyes can filter out the picture that does not match the polarization direction. Only the corresponding polarized light image is seen, that is, the left eye can only see the picture projected by the left camera, and the right eye can only see the picture projected by the right camera. These images are synthesized by the brain to produce stereoscopic vision.

Summary. Kiss 3D (three-dimensional) refers to the image of an object in space, in addition to width and height, there is also a dimension of depth. 3D images allow you to see how an object looks, is constructed, and is positioned in three dimensions, just like how an object looks in real life.

3D images usually require computer software to render them, as they require a certain amount of computing power to simulate the shape and movement of objects in three-dimensional space. 3D images can be models of buildings, game scenes, characters from movies, and more. 

Kiss Hello 2D and 3D are two different image representations of the cave stuffy silver. The detailed explanation of the feast is as follows:

Kiss Knock 2D (two-dimensional) refers to a flat image with only two dimensions: width and height. This image is usually displayed on a screen or printed on paper.

2D images can be in the form of wireframes, illustrations, or graffiti. We usually use 2D to describe the shape of a plane or the movement and change on the plane. For example, a flat map, a bird's-eye view of a missing bridge, a sketch, etc., are all 2D images.

Kiss 3D (three-dimensional) refers to the image of an object in space, in addition to width and height, there is also a dimension of depth. A 3D image allows you to see the appearance, construction, and position of an object on the three dimensions of envy, just like an object would look like a pulley in real life. 3D images usually require computer software to render, as they require a certain amount of computing power to simulate the shape and movement of the limbs of objects in three-dimensional space.

3D images can be models of buildings, game scenes, characters from movies, and more. 

Therefore, the biggest difference between 2D and 3D is the difference in spatial dimension. 2D only has width and height, while 3D has an extra dimension of depth. 

Summary. 2D and 3D differ not only in dimension and three-dimensionality, but also in the following points:1

The technical principle is different: 2D is based on a planar coordinate system and vector operations, while 3D needs to be implemented through a spatial coordinate system and matrix transformation. 2.

Different visuals: Since 3D has a stronger sense of stereoscopic, it can better simulate real-world objects and scenes, making the visual effect more realistic. Therefore, 2D and 3D each have their own unique application scenarios and advantages and disadvantages, and the choice of which format to use depends on the specific needs and context.

Hello dear. The main difference between 2D and 3D is dimensionality and three-dimensionality. 2D graphics have only two dimensions, namely length and width, and are usually presented as graphics on a flat surface, such as Erqing Cover Chawei stuffy pants animation, comics, graphic design, etc.

3D, on the other hand, has three dimensions, namely length, width, and height, allowing it to present a more realistic three-dimensional sense, such as movies, games, and architectural design.

2D and 3D are not only different in dimension and three-dimensionality, but also have the following mess points: 1The technical principle is different:

2D is based on the flat standard system and vector operation, while 3D needs to be realized through spatial coordinate system and matrix transformation. 2.The difficulty of making is different:

Since 3D has a stronger sense of three-dimensionality, it can better simulate real-world objects and scenes, making the visual effect more realistic. Therefore, 2D and 3D have their own unique application scenarios and advantages and disadvantages, and the choice of which format to use depends on the specific needs and circumstances.

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