It was once very rare to hear of a 3D film coming to theaters, but it has become common in recent years. Film makers have been toying with 3D movies since the 1950's when producers first started finding ways to add depth to their motion pictures; modern artists have many more tools, however, than were available 60 years ago. The optical illusions utilized in a 3D film trick your eye and brain into believing that the pictures are jumping right off the screen; doing this is no easy task, and it demands a vast array of complex technology.
The techniques used to develop a 3D film are borrowed directly from the human eye and stereoscopic vision, which is the process by which we see different images through each eye which are fused together by our brain. Two side by side lenses are put in cameras when filming a 3D movie so that they can capture images similar to the way your eyes do. Computer programs let animators produce the identical effect even though there is no live action footage in a movie. When you view a 3D movie, you are actually looking at both of the images captured by each camera lens at once; wearing special 3D glasses is what allows you to process both images at the same time.
You have probably seen an old style 3D film which uses special red and blue 3D glasses to create the three dimensional depth effect. These glasses work because the two images fused to create a stereoscopic film were projected through a red light filter and a blue light filter, which can combine when you wear the 3D glasses. The optical illusions in these movies functioned great, but film makers were limited in many ways, especially with the colors they could project.
Vibrating light waves moving on a single plane, referred to as polarized light, is how we watch 3D movies today. When making a 3D film, two projectors are still needed, but the two images are projected different; one is polarized horizontally, the other vertically.
The 3D glasses the viewer wears have different filters over each eye so that only one type of light wave can enter each eye. Without this technology, 3D movies would not be as realistic; filtering light waves gives you the feeling of depth that makes a 3D film pop off the screen and come alive.
The techniques used to develop a 3D film are borrowed directly from the human eye and stereoscopic vision, which is the process by which we see different images through each eye which are fused together by our brain. Two side by side lenses are put in cameras when filming a 3D movie so that they can capture images similar to the way your eyes do. Computer programs let animators produce the identical effect even though there is no live action footage in a movie. When you view a 3D movie, you are actually looking at both of the images captured by each camera lens at once; wearing special 3D glasses is what allows you to process both images at the same time.
You have probably seen an old style 3D film which uses special red and blue 3D glasses to create the three dimensional depth effect. These glasses work because the two images fused to create a stereoscopic film were projected through a red light filter and a blue light filter, which can combine when you wear the 3D glasses. The optical illusions in these movies functioned great, but film makers were limited in many ways, especially with the colors they could project.
Vibrating light waves moving on a single plane, referred to as polarized light, is how we watch 3D movies today. When making a 3D film, two projectors are still needed, but the two images are projected different; one is polarized horizontally, the other vertically.
The 3D glasses the viewer wears have different filters over each eye so that only one type of light wave can enter each eye. Without this technology, 3D movies would not be as realistic; filtering light waves gives you the feeling of depth that makes a 3D film pop off the screen and come alive.
About the Author:
You should bring your family and watch 3d film and try also Harry Potter and the Deathly Hallows Movie
No comments:
Post a Comment