How do they make the impossible happen in movies and make it looktotallyreal ? For example :
In all of these font , the delusion is create by a special upshot proficiency bed astraveling matteorblue screen . This technique allows histrion and shell manikin to find themselves in wholly imaginary situations – in space ship , dangling from forget me drug bridge over gorges , fell through the air ( a la Superman ) – and have it look completely real in the house . The proficiency is used so often now that you do n’t even realise it . News newsperson are made to look like they are on location when they are not , and complete segments in television set shows can be created this mode to make it look like the section was filmed on location when , in fact , no one left Los Angeles .
In this clause , you will learn all about the blue screen technique so you could see how all of these different scenes are in reality created .
Static Mattes
Matteshave been used in the moving picture industry much forever to create especial effects . A very common effect can be easily create using adouble - exposure lustrelessness . Here is how this proficiency works .
lease ’s say that the director would care to create a spooky scene where the actor are walking across a large , flat plain while the sky boils with dark-skinned clouds . To make this burden , the cinematographer can first shoot the actor on the plain . When this shot is created , however , a musical composition of black paper or tape is used on the lens so that the area of the sky is masked out and left unexposed on thefilm . The scene is shot normally , but in thecamerathe cinema is exposed on only one one-half of the frame . Then , the tv camera operator rewinds the film in the tv camera , puts a piece of black newspaper on the lens to cloak out the destiny of the flick already exposed , and films the swarm of a thunderstorm . Perhaps the clouds are film with a slow film speed , so that when play at normal speed they look like they are boil across the sky .
Here are the steps :
There are two variations on this technique that are very common :
This sort of matting is one of the oldest particular - effect technique used in the industry .
Traveling Mattes
Now allow ’s say that you are a director and you would like to film a aspect where the actress is dangling from a rope over a deep river gorge hollo for the hero to come save up her . As the managing director , you have several choice :
The blue screen technique allow youcombine two or more pieces of cinema into one piecethat appear very real .
To use the blue screen proficiency , you first shoot the river gullet on position . This shot is called thebackground plate . You then film the actress dangling from a circle 2 foot off the ground in a studio apartment . Behind the actress in the studio apartment you place a undimmed bluebackground screen(hence the name " blue screen " ) . You finish up with two pieces of film that look like this :
In the particular impression department you could well use specialfiltersto configuration two mat from the shot of the actress . One show the actress ’s silhouette in grim , and the other is the reverse , like this :
These mattes are easy to make because the vivid blue semblance , when endure through a violent filter , turns black . By using gamey - direct contrast black - and - livid picture show to produce the mattes , you could create the silhouettes . So now you have four pieces of moving picture : the two originals and the two mat . By combining these pieces of plastic film in layer you could produce the terminal piece of moving picture for the snap . First , you immix the ground with the actress ’s silhouette :
Then , you rewind the film and re - give away it to lay the actress into the " hole " that the matte created . The actress now looks like this :
And the last shot looks like this :
This is called atraveling mattebecause the matte is dissimilar for each material body of the film . In astatic mat , you simply videotape blackened theme over the crystalline lens and that single matte is the same for the intact gibe . In a traveling - matte shot , you need to create a matte that is on the nose the same shape as the actress . In each frame , the actress moves , so a fresh matte is required for each frame . It is possible to create these private matt by hired hand , but it takes a tremendous amount of sentence . The dispirited covert behind the actress makes it easy to create all of the mattes mechanically using optical or digital technique .
The blue cover proficiency is also used extensively in scientific discipline fiction picture show such as " Star Wars " and " Star Trek " to make the space vehicle models bet veridical . The model are filmed separately on aristocratic background signal and then combine in multiple layers to make the final moving picture . Very complex shot with hundreds of layers have been created .
In social club for a blue screen pip to face convincing , several thing are of import :
With reckoner , disconsolate screen shots are even easy because the computer can create the mattes and compound the shots mechanically . Many of the connectedness on the next page line different digital technique .
The next time you go to a moving-picture show , you ’ll understand how they make some of these impossible shots – but you may still be astonished at how substantial they look .
For more information on blue screens and other special effects technique , train out the link on the next varlet .
