Student Notes Class Two
Transcription
Student Notes Class Two
CLASS 2 Quick Theory Review • What is Gestalt Theory? • What is a Ganzfeld? • What is figure & ground? • What are proximity, similarity, continuity, closure? Unified Whole. The principles of study that apply to the visual understanding of the unified whole. The idea behind Gestalt Theory is that “the way an object is perceived is determined by the total context or field in which it exists.” Homogenous Field. Heterogenous Field. How can we use Gestalt Theory to help us with our photographic compositions? Grouping of objects. Proximity of objects. Relationships of objects. Closure and Non Closure. Continuity. Similarity. Figure versus Ground. (Negative versus Positive space.) Boundaries of Seeing. Signal versus Noise. Boundaries of Seeing. Signal versus Noise. • When you sat and did your 30 minute assignment, how did your brain decide what was an important visual ‘Signal’ and what was visual ‘Noise’ to be ignored and placed into the background? • Can you intentionally shift them from one to the other? What happens if you try to make the Noise the Signal, and vice versa? • Shift the Boundary of your Seeing to a new place, a different viewpoint, a new idea. Put yourself into a place you may not normally find yourself comfortable. In yor imagination choose to reshoot one of your home assignment photos form a viewpoint you would normally not be able to step into, due to an inhibition. HOME ASSIGNMENT 1 : Looking WENT SOMEWHERE WITH YOUR CAMERA. Indoor or Outdoor. Chose a place you feel safe and comfortable... ... SAT THERE FOR 30 MINUTES STAYED SEATED. KEPT LOOKING CAREFULLY. TOOK 5 PHOTOS DURING THE HALF HOUR SESSION PANORAMIC & FISH EYE COMPOSITIONS WHERE AM I? Composition and layouts for non-traditional formats. Cropping and reformatting. Why and when? Visual scanning of a super-wide or super-wide angle image versus a standard image format. Not long after the introduction of the Daguerreotype in 1839, photographers began assembling multiple images of a view into a single wide image. In the late 19th century, panoramic cameras using curved film holders employed clockwork drives to scan a line image in an arc to create an image over almost 180 degrees. Rotating Cameras Swing Lens Cameras Extra Wide Angle Cameras Stationary Panoramic Cameras Digital photography of the late twentieth century greatly simplified this assembly process, which is now known as image stitching. Such stitched images may even be fashioned into crude virtual reality (VR) movies, using one of many technologies such as Apple Computer's QuickTime VR or Java. A rotating line camera such as the Panoscan allows the capture of very high resolution panoramic images and eliminates the need for image stitching. http://www.panoscan.com/MK3/ Rotating Panoramic Cameras have been made since 1857 the most popular being the Kodak Cirkut Cameras. These cameras were first introduced in 1907. The cameras were originally made by The Century Camera Co. of Rochester, NY. This company was bought eventually by Eastman Kodak Co. and the cameras were manufactured by a division of the company. The Cirkut Camera was made in several different sizes. They used roll film from 5" X 24" up to 16" by 20 feet. Cirkut Cameras were originally made to make shots of large groups of people. Because the camera rotated you could be much closer to the subject and still capture the whole group. Swing Lens Panoramic Cameras Various models introduced since 1898. Kodak Banquet Camera. Panon (Japan) introduced the Widelux in 1958. The camera has a swing lens (f2.8f11) with three speed settings (1/10, 1/100, 1/250). The camera produces a 140 degree image on a 25mm x 60mm negative. (Standard 35mm film cassettes are used: a 36 exposure roll yields 22 panoramic images.) Panon has subsequently introduced newer versions of the Widelux, and currently sells the F8. (Imported to the US by Cambridge Camera of New York.) Extra Wide Lens Cameras Medium format, American-German Brooks Plaubel VeriWide camera, made in the 1950's for a really, really wide view with a Leica IIIf with a 15mm lens. Makes bigger than average 6x9 negatives with a 47mm lens. This is equivalent to around 18mm with 35mm cameras. Plaubel VeriWide Stationary Panoramic cameras are a modern invention. These cameras use a flat film plane and make negatives anywhere from 6cm X 12cm up to 4" X 10". They generally have an angle of view of about 100 degrees. Many different brands of Stationary Panoramic Cameras are made. These include Fuji 617, Art Panoram (available in several sizes), Linhof (available in 2 sizes),V-Pan (a monorail pan camera), and K. B. Canam 4" X 10" pan camera. All of these cameras make beautiful images in a panoramic format. The full panorama format is made possible by the large image circles of the two interchangeable 4/45 mm and 4/90 mm lenses, which have been specially designed for the Hasselblad XPan by Fuji Film. The Hasselblad XPan 35mm Camera (1998) Fuji GX617 Panoramic Medium Format What are the CHARACTERISTICS of a Panoramic image composition? Recommended BOOK: PANORAMIC PHOTOGRAPHY by Lee Frost http://en.wikipedia.org/wiki/Panoramic_photography Panoramic photography is a format of photography that captures images with elongated fields of view. The term has also refers to a photograph that is cropped to a relatively wide aspect ratio. While there is no formal definition for the point at which "wide-angle" leaves off and "panoramic" begins, an image that presents a field of view comparable to, or greater than, that of the human eye - about 160° by 75° can be termed panoramic. The resulting images often, but not necessarily, take the form of a wide strip. http://en.wikipedia.org/wiki/Panoramic_photography Photo-finishers and manufacturers of Advanced Photo System (APS) cameras use the word "panoramic" to refer to any print format with a wide aspect ratio, not necessarily photos that encompass a large field of view. In fact, a typical APS camera in its panoramic mode, where its zoom lens is at its shortest focal length of around 24 mm, has a field of view of only 65°, which many photographers[who?] would only classify as wide angle, not panoramic. Cameras with an aspect ratio of 2:1 or greater (where the width is 2 times its height) can generally be classified as being "panoramic." http://www.ptgui.com/ PTGUI Panoramic stitching software http://en.wikipedia.org/wiki/Panoramic_photography http://www.ptgui.com/gallery/skypod_toronto_canada_panorama.html Stitching your Panoramic together manually using Photoshop Load each of the frames into Photoshop. Create a new file to hold the stitched panel. File>New. Set the background to White Set the File Size to the resolution that you want your final print to be. Set the horizontal and vertical size of the file to slightly larger than the combined size off all of the individual frames that you'll be stitching taking into Using the Move Tool drag each of the images to the new file in order from left to right. The resolution will be automatically changed to match that of the new file. Each file will become a Layer. Their layers will be automatically named Layer 1, Layer 2, etc. ccount that there'll be a lot of overlap. Click on leftmost layer. Using the Opacity slider on the Layers palette change the opacity to about 50%. Then using the Move Tool drag the image so that something prominent in the middle of the frame is superimposed. In this example I've used the green sign at the top of the tallest building. Magnify the frame so that it's at Actual Pixels and using the Arrow Keys nudge Layer #2 so that this object exactly overlaps. You'll notice that no matter how careful you were when shooting, even if you leveled the camera, parts of the overlapping frames won't align. (This is the job that the best stitching programs do automatically — resizing and stretching the images so that they do). Don't worry about it though because we'll be dealing with this in a moment. Select View / Show Rulers and drag a couple of rulers so that they line up with where Layer #1 and Layer #2 overlap at both sides of the frame. This will be useful in a few minutes. Change the opacity of Layer #2 back to 100% With Layer #2 selected, click on the Add a Mask icon at the bottom of the Layers Palette. Press the D key to set the default foreground and background colors. Next select a paintbrush. It's best to use a brush that has an intermediate edge, so create a New Brush with a Hardness of about 65.You'll be changing the size as needed later using the left and right square bracket keys. The plan now is to use the medium-soft edged brush that you've created to erase the layer underneath and to select where the transition between the layers is to take place. In this example a good place is in the sky along the edge of the tallest tower. With Layer #2 selected, click on the Add a Mask icon at the bottom of the Layers Palette. Press the D key to set the default foreground and background colors. Next select a paintbrush. It's best to use a brush that has an intermediate edge, so create a New Brush with a Hardness of about 65.You'll be changing the size as needed later using the left and right square bracket keys. The plan now is to use the medium-soft edged brush that you've created to erase the layer underneath and to select where the transition between the layers is to take place. In this example a good place is in the sky along the edge of the tallest tower. If you now magnify the spot where the two layers meet you'll see that there is no visible join because you've moved the spot where they join to an irregular place where you can blend the transition invisibly. Be aware that if you go past a frame edge and start to show white, you can simply press X to switch from erasing the background layer to erasing the foreground layer. One thing that can get you into trouble is if you pop out of Layer Mask mode. If so you'll end up painting with Black or with White instead of erasing. Just click on the icon to the left of the layer's title and you'll be back in Mask mode. Now return to Step #3 above and drag the next panel onto the stitched file and repeat the steps. I know that this all seems confusing, and this process is likely impossible to learn simply by reading, but if you work with files of your own and follow the steps above I promise that it will be both comprehensible and fairly quick. Once all the layers are satisfactory aligned you should saved the file, naming it appropriately so that you'll be reminded that it still has all its layers, and that it's unsharpened and uncorrected Now proceed to crop, color correct and sharpen the file.
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