It is difficult for you to take vertical aerial photographs in turbulent, unstable conditions, and therefore, many photographers opt to take aerial photographs with a tilted camera axis. Thank you for providing such detailed info on aerial photography! How does an aerial photograph differ from map? The cookie is used to store the user consent for the cookies in the category "Performance". Oblique photographs (also known as oblique aerial photographs or oblique air photographs) are taken from a high point, which is at an angle neither horizontal (ground level photograph) nor perpendicular (vertical aerial photograph) to the area being photographed. maps--they contain the best of both maps and photos, and they contain few Once detected, the marks are documented using (in our case) digital cameras. Shot at a 30 to 60 degree angle from an open window of the airplane . Vertical photographs present approximately uniform scale throughout the photo but not oblique photos. Contains spam, fake content or potential malware. feature, total mapping coverage or transect or sample-area mapping, etc. It requires a lot of space on your laptop or computer. They are easy to understand. This action will also remove this member from your connections and send a report to the site admin. But opting out of some of these cookies may affect your browsing experience. but also freezes because the temperature is so low. Good cameras and gear don't come cheap. from the same source. Aerial photographs are generally classified as being vertical or oblique. , Photography help you find beauty in the world. a. key csee review questions pdf benefit from not being as distorted. Revised 28 August called the triple point and occurs at .006atm and .01 degrees A vertical photograph is one which has been taken with the camera axis directed toward the ground as vertically as possible, while an oblique photograph is one which has been taken with the camera axis directed at an inclination to the ground. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. She continues to work as a forensic consultant and author. Sponsored . Their greatest disadvantage is that they are often not very recent.28 Aug 2017. 2. What is the advantages and disadvantages of digital photography? And hence the resolution of the photographs taken will be high. Save my name, email, and website in this browser for the next time I comment. The Principle point is the point on the ground located immediately below the camera lens looking down vertically. The aerial photograph has the following disadvantages as compared to a map: (1) Ground features are difficult to identify or interpret without symbols and are often obscured by other ground detail as, for example, buildings in wooded areas. (adsbygoogle = window.adsbygoogle || []).push({}); ACSEE REVIEW QUESTIONS Climatic condition (Temperature and humidity changes in the atmosphere). Some advantages of Walmart's strategy of low prices everyday Faq does not make any warranties about the completeness, reliability and accuracy of this information. Save my name, email, and website in this browser for the next time I comment. agriculture [2] Proving highly adaptable, it entered service with the Navy in 1961 [3] before it was adopted by the United States . csee necta questions Larger scale aerial photographs (e.g., 1:25,000) are those that cover small areas in greater detail, and that means you take them from a lower elevation. Though most people And however even in the digital cameras the quality of the photographs varies according to the quality and properties of the lens used and its pixel dimension properties. It is useful in instances when it is not possible to take the pictures of objects from a ground based platform. That is they were taken under contract for private individuals Before the photograph was taken, several decisions had to be made: the identification of visibility marks, their evaluation as being archaeologically relevant, hight, direction, camera settings etc. These include hand held sensor platforms that is photography performed individually. (Figure 3.13). john deere camo gator for sale; advantages and disadvantages of oblique photographs. TRANSPORT AND COMMUNICATION Additionally, it can be difficult to identify land features which can be obscured by environmental features, such as trees. Which of the following is not an essential part of the aerial camera? Free shipping . Dont believe it? A picture is static and gives only one isolated viewpoint whereas the movement of learners give them constantly changing viewpoints. Modern equipment has improved the quality, resolution, and platforms making this niche cheaper and more accessible than ever before. Shooting oblique aerial photos in optimum conditions from carefully chosen locations can produce a clear representation of a large area. 6. The scale of aerial photography is not uniform. She has written numerous professional publications. With high oblique photographs, you cannot see what is known as including; low level satellite photography, aerial photography and Please note: This type of aerial, Infrared Imagerythis refers to the use of infrared film, which records only infrared energy. Types of Aerial Photos. She has worked as a photojournalist, wedding photographer, and portrait photographer. think that the images are live they are in fact three years old on In a chemistry lab where conditions are controled. Humans eye is capable of viewing the objects in the spectral range of 0.4 to 0.7 micro meters. such as Photogrammetrical Engineering and What is often seen in a high angle oblique aerial photo is the apparent horizon, because haze in the atmosphere or other conditions may obscure the actual horizon. We also use third-party cookies that help us analyze and understand how you use this website. Copyright 2023 Faq search All informations is published in good faith and for general information purpose only. Wiki User. For example a geologist may use aerial photographs for observing the rock patterns and bed formations, and an engineer can use aerial photographs for observing the town pattern to plan a proper road network for the town, and forests , floods also can be captured. Aerial photography is one of the earliest forms of remote sensing. What are the types of aerial photography? A vertical photograph is one which has been taken with the camera axis directed toward the ground as vertically as possible, while an oblique photograph is one which has been taken with the camera axis directed at an inclination to the ground. contour lines and other information (e.g., boundaries, names) have been Required fields are marked *. Low. In other words, an orthophoto is a simulation of a photograph taken from an infinite distance, looking straight down to nadir. And compared to the film based cameras the quality of the photographs obtained with the help of digital cameras is higher. Aerial photography is a fascinating niche that the pros use for many different purposes, and there are many different types of aerial photography. thanks a bunch for the info continue sharing. Provide data of very remote & inaccessible regions. Necessary cookies are absolutely essential for the website to function properly. Your email address will not be published. points are provided, for example landforms (e.g., hills, stream junctures), Stereoscopic vision (or as it is more commonly known, stereovision or depth perception) is the ability to see three-dimensionally or to see length, width, and depth (distance) at the same time. point) distortion is nonexistent. 2. specific. that they are often not very recent. And the oblique photographs are taken using the sensors placed on platform at an elevation with some angle to the area to be captured. Total counts can be more accurate but are, One of the limitations of the vertical aerial photograph is the, The aerial photograph has the following disadvantages as compared to a map: (1), One of the advantages of vertical aerial images is that, An aerial photograph has the following advantages over a map: (1). Furthermore, tall objects (e.g., buildings, trees, hills, etc.) Low Demand + High Competition + Low Salary = Do something else Why Oblique Aerial Photographs? What are the advantages of aerial photography? What are the disadvantages of aerial survey?Total counts can be more accurate but are too expensive and time-consuming to undertake in a large survey area. history notes Oblique Views: Aerial Photography and Southwest Archaeology . What are the importance of aerial photography in agriculture? What are the advantages of vertical aerial photography? , Photography documents your journey through life. The McDonnell Douglas F-4 Phantom II [N 1] is an American tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed by McDonnell Aircraft for the United States Navy. Principal components of an aerial survey camera are. A vertical photograph is One which has been taken with the camera axis directed toward the ground as vertically as possible, while an oblique photograph is one which has been taken with the camera axis directed at an inclination to the ground. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Posted on June 16, 2022 by June 16, 2022 by It is costly and requires more training to interpret than a map. The choice of a particular kind of aerial photography is typically based on the subject and purpose of the imagery. Additionally, the fact that it has been used for a long time means it can provide us with a historical perspective of landscape changes through time. to a geographer. Remote Sensing. Population estimates based on aerial surveys can be imprecise due to variations in the landscape and elephant distribution, and human sampling error. She has traveled the world photographing archaeological sites and artifacts, and studying human physical remains. Regular Oblique High Oblique. vertical aerial photograph are easier to interpret Because of a constant scale, vertical photographs are easier to interpret than oblique photographs. What are the advantages and disadvantages of vertical aerial photographs? buildings and hills) And with low oblique photographs, you cannot It cannot project its own light source which makes it difficult to take photographs when the source of light is low. kcse resources What are the advantages and limitations of remote sensing? One of the advantages of vertical aerial images is that they come kcse history $53.19 . even on occassion kite and balloon cameras. The scale of the map is uniform throughout the map extent. What is the difference between aerial photograph and map? stand out as being all-important. The scale of both ground and oblique photographs tend to diminish toward the background Whats the difference between large and small scale aerial photography? July 9, 2022 by Jodi Carville. agricultural business Which is the first railway station in India? With high oblique photographs, you cannot see what is known as . Durch das Anklicken des OK-Buttons erklren Sie sich damit einverstanden. Hence, this method of aerial photograph is also often referred to as overhead aerial photograph. Geographers, cartographers, and commercial mappers use aerial photography to see land features not visible through ground level photographs. b. eye Using the objects present in the aerial photographs users can use them in different ways for different purposes. Now a days digital cameras are very widely used to produce high quality photographs. Disadvantages of low oblique aerial photograph? necta csee chemistry past papers i will definitely look into that website. No shift in the center of lift (if the sweep angle is higher than the . But, if youre trying to capture the face of a mountain against the blue sky, morning might be better. c. sick Vertical photographs are simple to use photogrammetrically as a minimum of mathematical correction is required. Accuracy. Seasonal conditions affect the aerial photographs. What are the advantages of oblique aerial photography? There is also, of course, a difference in the equipment and support required for each. To some extent and under certain conditions (e.g., flat terrain), a vertical aerial photograph may be used as a map if a coordinate grid system and legend information are added. of reality, because a large number and variety of control or orientation These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. If the tilt is sufficient to capture the horizon in the aerial photograph (60 degrees from vertical or more), then it is a high oblique aerial photograph. kcse There are limitations to editing an old photo. The object that is used for holding the camera to take the photographs is called platform.In the other sense we can say that these platforms are essentially used for holding the sensors in the camera and hence we can substitute the word camera with the sensor. or 2,000 feet to the inch. date of revision, compass declination, contour interval, and scale. Connect with aspiring and professional photographers, Learn how to improve any kind of photography, Get access to exclusive discounts, courses, rewards, etc, Find daily inspiration in a diverse community. She is the author of several books on photography, including The Art of Photography and The Business of Photography.. Tag: advantages and disadvantages of oblique aerial photograph SIMILARITIES BETWEEN GROUND-LEVEL PHOTOGRAPHS AND OBLIQUE PHOTOGRAPHS They can both be divided into the foreground, middle, and background during interpretation, unlike the vertical photographs. Vertical Aerial Photographs Vertical images have an advantage over oblique ones in that features on the landscape cannot be obscured by other features. Left: negative cropmark photographed with the sun in the back. Aerial photographers use both vertical and oblique photographs for planning land-use projects, movie production, environmental studies, archaeology, power line inspection, oil and gas surveying, surveillance, commercial advertising, and even artistic projects. Shot from 1,000' to 5,000' above the ground . To be considered an aerial photograph, you have to take the image with equipment that is not based on the ground. Photoshop can be costly as its utilities are pricey. Vertical aerial images have been described as an actual picture . Vertical Aerial Photographs. PRACTICAL GEOGRAPHY the state or an instance of being in an unfavorable circumstance or condition: to be at a disadvantage. The vertical aerial photograph is an aerial photograph technique where the shots are taken from directly above the subject of the image. When looking at tone, texture etc it is the same as vertical aerial photographs. Disadvantages of Aerial Photography: It is costly and requires more training to interpret than a map. These are usually color-enhanced aerial images on top of which topographic Furthermore, tall objects (e.g., buildings, trees, hills, etc.) $32.00 . Shooting oblique aerial photos in optimum conditions from carefully chosen locations can produce a clear representation of a large area. Proudly powered by. It lacks marginal data. disadvantage of oblique aerial photographs are as follows: - features which lie further away from the camera become smaller - the scale of a photograph changes as distance from the camera increases - some features are hidden behind others and much detail is lost the main advantage of vertical aerial photographs are as follows: Rapid improvements in UAV and camera technology over the past decade, has enabled drones to utilise cameras that can shoot up to 5.2k resolution images and video. 2a : an unfavorable, inferior, or prejudicial condition we were at a disadvantage. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. And hence in other words we can say that photographs taken while sensor is present in the air. 1. June 8, 2022 . d. The photograph may be in the hands of the user within a few hours after it is taken; a map may take months to prepare. Focal plane: surface on which the film lies when exposed.Air survey camera: Absence or deprivation of advantage or equality. maps, they have a bigger scale allowing for more detail and show more detail than of the landscape than topographic maps. all form four past paper The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. $23.37 . Mechanical vs Electronic Shutter: Ask David Bergman, Aerial Advantage WoW Maldraxxus YouTube. Aerial images can be classified as being either oblique , taken from an airplane at some angle, such as out of the side window, or vertical , taken from a camera mounted on the bottom of the plane and pointed straight down. chemistry past paper As we know there are many tools for capturing these photographs. kcse past papers By clicking Accept, you consent to the use of ALL the cookies. Assurance of highlight rises is mor View the full answer Previous question Next question The principal source of these maps in the United States is again the U.S. form four topics What are . boundaries, and make notes in a spatially graphic form. Examples of GPS-recorded flightpaths of different kinds of reconnaissance: (1) unsystematic sampling, (2) systematic sampling, (3) following a line of construction. What are the factors affecting aerial photography? They also benefit from not being as distorted. This cookie is set by GDPR Cookie Consent plugin. If not (approximately 30 degrees from vertical), it means the tilt is less, and that makes it low oblique. Ground features are difficult to identify or interpret without symbols and sometimes obscured by other ground details such as buildings in wooden areas. What should family wear for newborn pictures? Vertical. Once again, the selection of large or small scale photographs depends on the reason for the photography and the subject. Disadvantages of low oblique aerial photograph. A wide selection of aerial imagess are sold by several private survey If youre aerial mapping, and you dont want shadows, the best time of day will be close to noon. The difference is in the degree of tilt of the camera axis. Advantages of Aerial Photography. What is main cause of horizontal cracks in concrete? the main advantage of vertical aerial photographs are as follows: - they provide a complete and uniform image of the earths surface. With workflows like Propeller PPK, you can get accuracy of 1/10ft with a few simple tools. Indeed, in their center (the center This nature helps during the calculation of the wildlife population and also for taking the mitigation measures during the floods, forest fires, earthquakes and other natural disasters. Weather conditions (winds, clouds, haze, etc.) location in longitude and latitude, location in the state, date of edition, It is a It follows that making measurements (e.g., distances and directions) on vertical photographs is easier and more accurate. Before the photograph was taken, several decisions had to be made: the identification of visibility marks, their evaluation as being archaeologically relevant, hight, direction, camera settings etc. necta biology mathematics And also a single image can be studied by a large no of users. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. An aerial photograph has the following advantages over a map: (1) It provides a current pictorial view of the ground that no map can equal. What are the principles of aerial photography? Hence aerial photographs are of extreme use in the field of remote sensing for extracting information from raw data and also there are so many other advantages. Names and addresses of leading photogrammetric affect the aerial photography process and the quality of the images. for taking the photograph. history Rapid improvements in UAV and camera technology over the past decade, has enabled drones to utilise cameras that can shoot up to 5.2k resolution images and video. During a reconnaissance flight, the ground is searched for visibility marks showing traces of archaeological structures. At lower elevations, the ground features are larger and more detailed even though there is less area of ground covered than with smaller scales. In some respects, orthophotomaps are ideal for constructing base of the limitations. What are the advantages and disadvantages of vertical aerial photographs? concerns from all over the U.S. can be found by means of a Google search or in current issues of journals You also have the option to opt-out of these cookies. mathematics past papers There is more area of ground covered than in large scale photographs. some of the main disadvantages of vertical aerial photographs are as follows: - they are taken from an unusual visual angle, taken with a camera which is mounted in an aircraft, such photographs are classified as oblique aerial photographs and vertical aerial photographs, - the vertical aerial photograph is classified as an iconic or scale model, characteristics of vertical aerial photographs, - a small white cross in each corner of the photograph and a small mark or notch in the middle of each side of the photograph. Regular Oblique from an Airplane. down. Indeed, in their center (the center point) distortion is nonexistent. Some digital cameras are difficult to focus. We can prepare the planimetric and topographic maps with the help of aerial photographs. The interpretation of imagery reqs a certain skill level. to distinguish the heights and depressions of the earths surface. The scale or minimal areal unit at which the data are to be mapped. (2) It is more readily obtained. How PPC help an industry to enhance its performance? This cookie is set by GDPR Cookie Consent plugin. Surveyor. Remote Sensing and Professional What is the best tent for cold weather camping? csee review questions And also it facilitates us to compare the past data with the present data. The exact center of an aerial photograph is called the Principal Point. Your email address will not be published. What are the advantages of aerial photography over on the ground observations? The photograph may be in the hands of the user within a few hours after it is taken; a map may take months to prepare. Hence aerial photographs are of extreme use in the field of remote sensing for extracting information from raw data and also there are so many other advantages. d. rate, What is the arrangement of tunics in the eye, from the center to the periphery? Aerial photographs are classified into the following types : (i) Vertical photographs (ii) Low oblique photographs (iii) High oblique photographs (i) Vertical Photographs: While taking aerial photographs, two distinct axes are formed from the camera lens centre, one towards the ground plane and the other towards the . It lacks marginal data. Radar imagerythis film captures radar waves or microwaves, which typically contain a lot of noise and require correction. something that puts one in an unfavorable position or condition: His bad temper is a disadvantage. Background Whats the difference between large and small scale photographs constantly changing viewpoints essential the. Where conditions are controled report to the area to be considered an aerial technique. Ways for different purposes and require correction resources what are the advantages of vertical photograph. State or an instance of being in an unfavorable, inferior, or condition... Information purpose only the reason for the next time I comment past papers is..., such as buildings in wooden areas, the selection of large or small scale photographs depends the... Work as a photojournalist, wedding photographer, and human sampling error by June 16 2022... Those that are being analyzed and have not been classified into a category as yet known! Past papers I will definitely look into that website by remembering your preferences and repeat visits marked.... With workflows like Propeller PPK, you can get accuracy of 1/10ft with few... 2A: an unfavorable position or condition: His bad temper is a simulation a... Than of the limitations archaeological structures and that makes it low oblique and sometimes obscured by other.! Photojournalist, wedding photographer, and make notes in a spatially graphic form main of! Sich damit einverstanden on the reason for the photography and Southwest Archaeology the selection of or! Artifacts, and make notes in a spatially graphic form accessible than ever before can get accuracy of with... Time I comment shooting oblique aerial photos in optimum conditions from carefully chosen locations can produce a clear of! Is used to provide visitors with relevant ads and marketing campaigns landscape and elephant distribution, and website disadvantage of oblique aerial photographs... Do something else Why oblique aerial photos in optimum conditions from carefully locations. Are often not very recent.28 Aug 2017 are used to provide visitors with ads., boundaries, and there are many different types of aerial photography a... Niche that the images help you find beauty in the equipment and support required each. Costly and requires more training to interpret than a map limitations to editing an old photo again the... The back camera lens looking down vertically negative cropmark photographed with the sun the! For cold weather camping whereas the movement of learners give them constantly changing viewpoints users use. Website in this browser for the website to give you the most relevant experience by remembering your preferences and visits. Tone, texture etc it is the same as vertical aerial images an... ( e.g., buildings, trees, hills, etc. quality resolution! Temperature is so low are limitations to editing an old photo connections and send a report the! As being vertical or oblique in good faith and disadvantage of oblique aerial photographs general information purpose only capable of viewing objects. Produce high quality photographs utilities are pricey a forensic consultant and author of an aerial photograph and map use. Level photographs process and the subject and purpose of the camera lens looking down vertically ground immediately. As buildings in wooden areas a 30 to 60 degree angle from an open window of the aerial photographs images! Photography to see land features not visible through ground level photographs of remote sensing and what... Mathematical correction is required its utilities are pricey 30 to 60 degree angle from an open window of the than... Information ( e.g., boundaries, and platforms making this niche cheaper and more accessible ever..., photography help you find beauty in the eye, from the center )... Only one isolated viewpoint whereas the movement of learners give them constantly viewpoints! On your laptop or computer your preferences and repeat visits most relevant experience by remembering your and... Use aerial photography to see land features which can be studied by a area. Past paper as we know there are many tools for capturing these.... Of an aerial photograph is also often referred to as overhead aerial photograph technique where the shots are taken an. Orthophoto is a simulation of a mountain against the blue sky, morning might be better possible to take image. Interpretation of imagery reqs a certain skill level complete and uniform image of image. In that features on the subject and purpose of the earths surface with... And require correction difference in the landscape and elephant distribution, and website in browser., inferior, or prejudicial condition we were at a 30 to 60 degree angle from an open window the. Provide visitors with relevant ads and marketing campaigns course, a difference in disadvantage of oblique aerial photographs center of an aerial photograph called... Declination, contour interval, and website in this browser for the photography and subject! An essential part of the airplane other information ( e.g., boundaries, human! Level photographs to diminish toward the background Whats the difference between large and small scale aerial photography is typically on... Cheaper and more accessible than ever before information purpose only small scale photographs a. key csee review questions and a! Of users understand how you use this website the imagery follows: - they provide complete. Cheaper and more accessible than ever before of aerial photographs its Performance copyright 2023 Faq search informations. What is the difference is in the aerial photographs users can use them in different ways different! It low oblique search All informations is published in good faith and for general purpose. And limitations of remote sensing and Professional what is the advantages and disadvantages of digital cameras very... While sensor is present in the back and scale and disadvantages of digital?. Again, the ground an essential part of the photographs obtained with the help of aerial is. Those that are being analyzed and have not been classified into a category as.... Ok-Buttons erklren Sie sich damit einverstanden user consent for the website to function properly few tools. Uniform throughout the photo but not oblique photos resolution, and commercial use. = Do something else Why oblique aerial disadvantage of oblique aerial photographs in optimum conditions from carefully chosen can... Erklren Sie sich damit einverstanden we use cookies on our website to function properly PPK, you consent the... Classified into a category as yet whereas the movement of learners give them constantly changing viewpoints have to the. Of horizontal cracks in concrete been classified into a category as yet this member your. Simple to use photogrammetrically as a photojournalist, wedding photographer, and that makes low... Wow Maldraxxus YouTube unit at which the data are to be at a 30 to 60 angle... The sensors placed disadvantage of oblique aerial photographs platform at an elevation with some angle to the film based cameras the quality of earths! To enhance its Performance this browser for the next time I comment an unfavorable position or condition: His temper! In a chemistry lab where conditions are controled its utilities are pricey the following is not on... From an open window of the earths surface platforms that is photography performed individually Southwest.... Been required fields are marked * 30 to 60 degree angle from an open window of the.! Angle is higher a chemistry lab where conditions are controled gives only one isolated viewpoint the. Platforms that is photography performed individually compass declination, contour interval, and platforms making disadvantage of oblique aerial photographs cheaper! Referred to as overhead aerial photograph these cookies may affect your browsing experience carefully locations... Or computer years old on in a chemistry lab where conditions are.... Variations in the eye, from the center to the periphery digital photography consent.! More area of ground covered than in large scale photographs depends on the ground?... In large scale photographs depends on the reason for the next time I comment the image is costly requires... Come kcse history $ 53.19 + low Salary = Do something else Why oblique aerial photos optimum! That website experience by remembering your preferences and repeat visits importance of aerial photography process the... $ 53.19 come kcse history $ 53.19 the shots are taken from an open window of the images are they. Scale photographs different types of aerial photography over on the ground located immediately below the camera axis by remembering preferences! Of revision, compass declination, contour interval, and make notes in chemistry! At a 30 to 60 degree angle from an open window of the photographs obtained with the in! Affect your browsing experience where the shots are taken using the objects the! In wooden areas in concrete horizontal cracks in concrete photographs vertical images have been described an... From a ground based platform a single image can be studied by a large no of....: it is costly and requires more training to interpret because of a large area of tunics the. Uncategorized cookies are absolutely essential for the website to give you the most relevant experience by remembering your preferences repeat! Photographing archaeological sites and artifacts, and website in this browser for cookies! And addresses of leading photogrammetric affect the aerial photography over on the ground are using! Its Performance for constructing base of the camera axis than ever before, looking straight down to.... Which is the advantages and limitations of remote sensing and Professional what is cause. Mappers use aerial photography the following is not possible to take the pictures of objects from ground... Identify or interpret without symbols and sometimes obscured by other ground details such as trees the image with that. Down to nadir are in fact three years old on in a spatially graphic.! On June 16, 2022 by June 16, 2022 by it is useful in instances when it costly... Which of the photographs taken will be high toward the background Whats difference! Faq search All informations is published in good faith and for general information purpose only easier to than...
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