Map projection slideshare


  • O verview of several types of coordinate transformations. Start studying Physical Geography Chapter 2. However, instead of projecting a light, cartographers use mathematical formulas to create projections. In 3D, we map points from 3-space to the projection plane (PP) along projectors emanating from the center of projection (COP). 1 What is a map projection? A map projectionis a mathematically described technique of how to represent the Earth’s curved surface on a flat map. Map projection types all have their pros and cons, but they are incredibly versatile. city map, ocean ecosystem, or detailed graph—with your points and graphics nested inside. Alternatives to Bullet Points. Synonym of becoming verb quiz. INTRODUCTION. Geography mapping skills ks2 math science. Anyone whos doctor here and is willing to help me fillin in questionare for my project? hello, my name is edward sinanta from indonesia, i am a high school student and i would like to request an interview with you for a essay regarding the trend of health problem consultation in social networking. This map of the Earth was first designed for You might also be interested in the Peters Projection which is a map accurately representing land area. Projection is a form of defense in which unwanted feelings are displaced onto another person, where they then appear as a threat from the external world. Current Average Daily Traffic (ADT) summary at each location for which a projection is requested. slideshare. Look at the relative sizes of Africa and Greenland in both maps. For maximum pleasure you’ll combine it with a trip through Wikipedia’s entries on Equal Area projection and Mercator projection. Universal Transverse Mercator (UTM). map projection synonyms, map projection pronunciation, map projection translation, English dictionary definition of map projection. Knippers, R. This “S” stands for Geographic Information Science or simply GIScience. Three large families of map projection, plus several smaller ones, are generally acknowledged. Raster data models consist of 2 categories – discrete and continuous. There is no limit to the number of possible map projections. LOCATOR MAP (INSET): a locator map is needed if the area of the map is not easily recognizable or is of large scale. Pictures position within some defined map projection. Map zealots are down on poor Uncle Mercator, but I’m here to tell you that Mercator is a perfect example of how a given map projection can be hugely helpful or quite misleading depending on the situation. e. Check our other outline world maps. Here's a link to the GCS one: What are geographic coordinate systems In the installed (or online) help, the map projections section (in v10) is in Professional Library, Guide books. Political Map * A political map shows the state and national boundaries of a place. Projection of lines inclined to hp and vp nptelprojection line slideshare. Learning more about map projection and coordinate system concepts Define map projection. Learning more about map projection and coordinate system concepts randomly select one of these 4,000 projection files to define the data. So why is that a problem? Because the world is (approximately) round. What four things do map projections distort? As a cartographer with over 25 years experience in the GeoSpatial Industry, I guess I have a slightly more critical eye when I see maps that are produced these days. Coordinate transformations. There are many ways to apportion the distortion, and so there are many map projections. A and Hendrikse J. click the projection screen Use 4:3 for content created for specific platforms that shows best in 4:3 such as Slideshare and iPads. Raster models are useful for storing data that varies continuously. ca It is impossible to render paths on a sphere onto a flat surface in such a way that all distances remain the same. Description of three different types of map projections: Mercator, Robinson, Winkel Tripel. Skip navigation BBC News about the Mercator projection and Google Maps (broadcast August 2012?) The most common map projection, one with a low enough base accuracy to have sparked a huge burst of interest in mapping, is the Mercator Projection. Use 4:3 for content created in an environment where most current presentations and the main organizational template in use is 4:3. The map, which plots the city's tech startups, vis. projecting the Earth onto a tangent or secant cylinder, which is then cut lengthwise and laid flat, although we are aware that this is generally not correct? 3. You have to pick the one that correctly describes the coordinate extent in the proper units and coordinate system. A 'Thematic map' is a map that focuses on a specific theme or subject area. Pseudoconic projection is one of the oldest map types and although they were used by Ptolemy, they are seldom seen today. MAP PROJECTION • A map projection is a systematic transformation of the latitudes and longitudes of locations on the surface of a sphere or an ellipsoid into locations on a plane. If neither Equator nor the central meridian are aligned with and centered on the map axes, the result is commonly called an oblique projection. R = 6378137 x = R * longitude y = R * ln(tan(pi/4 + latitude/2)) I'm unable to find corresponding functions for EPSG:3395, the so-called World Mercator projection. Dana, Department of Geography, The University of Texas at Austin, and were developed as part of the Geographer's Craft Project at the University of Texas at Austin. Thesaurus intents worksheet example answers. Or maybe the map coordinates weren't projected at all. Map Projection Distorts Reality<br />A sphere • The map scale may be expressed in three ways and the pictorial representation of these three types is shown in the figure. Use 16:9 when creating content for specific platforms that shows best in 16:9 such YouTube and widescreens. What is a secant cone, cylinder, or plane used for in map projections? The spatial or map extent covered by the dataset (often referred to as the spatial domain) Learning more about coordinate systems Here is a series of links to help you learn more about applying map projections and coordinate systems in your work. A map projection is one of many methods used to represent the 3-dimensional surface of the earth or other round body on a 2-dimensional plane in cartography (mapmaking). Projections transform points in n-space to m-space, where m < n. A common form of projection occurs when an individual, threatened by his own angry feelings, accuses another of harbouring hostile thoughts. Picture of A map North and South America stock photo, images and stock photography. Maps cannot be created without map projections. Q. Upcoming SlideShare. noaa oil spill responses map successfully represented in isometric projection or by This lesson will explain the different types of maps used to interpret and study our world. The implementation of Mercator auxiliary sphere has sphere equations only. For example, colors can be used to indicate a classification - DATE of the map data - PROJECTION of the map (especially small-scale maps) 7. To do this we will use the orthogonal projection of a line onto plane is or point. 43 mm). First of all, we will look for a few extra hints for this entry: Common map projection. Map Projections and Map Scales 3. 3. . g. Japanese architect Hajime Narukawa invented this projection in 1999 by equally dividing a spherical surface into 96 triangles. Sample slideshare presentation essay topics examples Kitsch antonym art fair ideas. Geographical map projections area california maps. Add an interactive map to your website Simple black and white world map, Robinson projection, showing countries of the world Click on the map to view, or right click and choose "save as" to save them to your machine. In this MenteeChain Education GIS tutorial we will learn how to Georeference a scanned map by following few easy steps. 4. For example, the line of latitude or longitude where a projection intersects or “cuts” the earth’s surface is called the point of contact, or standard line, where distortion is minimized. Task1: Georeferencing Raster I Working through old IEB exam papers it becomes clear that certain questions always appear in the mapwork question papers. NATO system; Metric units (meters); World is split into 60, 6º degree zones; Spokane area is Zone 11N; Distorted above  Rediscovering the World: Map Projections of Human and Physical Space . projection synonyms, projection pronunciation, projection translation, English dictionary definition of projection. net, Image Size : 479 x 638 jpg 3 types of map scales 3 types of map scales Unit 2: Map Skills (Chapter 3) On a piece of paper, draw a map 3 types of map scales 3 Map Types posted by slideplayer. <br />Transfer from 3D globe to 2D map must 1) Mercator Projection… The best known map projection is named for its inventor, Gerardus Mercator, who developed it in 1569. This mathematical transformation is commonly referred to as a map projection. Projection in MapReduce Easy! Map over tuples, emit new tuples with appropriate attributes No reducers, unless for regrouping or resorting tuples Alternatively: perform in reducer, after some other processing Basically limited by HDFS streaming speeds Speed of encoding/decoding tuples becomes important Choosing the right colors for your presentation can quickly become a surprisingly difficult task. Bullet Points are no longer the right way to present information on slide. With the above population in mind, this translates to a total population density of approximately 201 people per square kilometer, or 77 people per square miles. A globe is a scaled down model of the Earth. What is a Map Projection? It is how we represent a three dimensional Earth  Jun 18, 2015 Map projections are necessary for creating maps. 3. &ndash; A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow. Projection always distorts the surface. In addition, it has a projection parameter that identifies what to use for the sphere radius if the geographic coordinate system is ellipsoidal based. When a cartographer creates a map using the Mercator projection, it's like they take the globe and wrap their maps around it like a cylinder. The projection shows three sides of a cube, and the surfaces of each side are equal. This presentation sample breaks the 3 common myths presenters hold about presenting data to senior management and provides 3 recommendations to succeed. If an estimate of forecast truck volume is needed, please provide a current observed count for each class of truck vehicle available. Theories from differential geometry are particularized for the transformation from a sphere or spheroid as the model of the earth onto a selected plotting surface. Africa is 14 times the size of Greenland. This paper on the Peters Projection mentions upsidedown maps. Although the projection procedure inevitably introduces system-atic spatial distortions, particular types of distortion can be minimized to suit the geographic scope and intended use of the map data. Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. The field of map projections concerns itself with the ways of translating the curved surface of the Earth into a flat map. Map definition is - a representation usually on a flat surface of the whole or a part of an area. It was and is the inspiration for other widely accepted views of the world, including the Robinson Projection There are 6 Different Types of Maps: 1. Take a look at the following map of the world, made using the well known Mercator projection. Beginning at one vertex, the lunes are cut apart to within a given distance of the other vertex. If we were to place a light bulb inside a translucent globe and project the image onto a wall—we'd have a map projection. It combines fundus imaging, retinal sensitivity mapping and fixation analysis in one In MAIA, light stimuli are created by a white LED and projected directly onto  Mar 8, 2017 This document also includes certain forward-looking projected financial information that is based on . 5. References: The total surface area of Nepal is at 147,181 square kilometers which converts to approximately 56,826. Mapmakers have developed hundreds of map projections, over several thousand years. The Mercator projection is a cylindrical projection that was developed for navigation purposes. Click on the image to open the presentation. in case the projection of the input map coordinates is unknown). There are two basic types of projections: w Perspective - distance from COP to PP finite w Parallel - distance from COP to PP infinite Perspective vs For that reason, I commend to you A Gallery of Map Projections. Advanced Raster Calculations: Map Algebra Map algebra is the analysis language for ArcGIS Spatial Analyst. We decided to build online presentation tools with the vision of helping anyone create stunning presentations, while saving them time and money. Projection Transformations. In the present embodiment, I have illustrated a projection in which I have used six equal lunes. net/lodeblomme/google-maps-projection-and-how-to-  Map projections are mathematical procedures that enable the mapping of the projection http://www. If you don’t know where to start, here are a few things to keep in mind the next time you b ArcGIS Spatial Analyst: Advanced GIS Spatial Analysis Using Raster and Vector Data J-8747 December 2001 4 Visualize the data with advanced symbology and annotation options. How to use map in a sentence. The maps are not constrained to rectangles or discs. Although make sure you read about Peters vs Mercator and how there are other more globe-like non-rectangular maps. Here is a series of links to help you learn more about applying map projections and coordinate systems in your work. The required fundamental mathematics is reviewed, and transformation theory is developed. Unlike conic projections, the meridian is not constrained to be a straight line. : 1 Map Projections: Mercator, Gnomonic & Conic. Africa Map, includes country names Antarctica Map Australia, Oceania Map Canada Map, with its new territories, province names Combo USA and Canadian map, 8" wide, state and province names Combo USA and Mexico map, 8" wide, state names Central America Map CIS and Asia Map Eastern Europe Map, Portrait and Landscape Europe Map, Portrait and Landscape Patient discussion about projection. From O all stars on the sphere are projected onto the plane of the map. This is a cylindrical projection. Image 13288582. The shape of the Earth is represented as a sphere. 1 Map Projections: Distortion. New York City Mayor Michael Bloomberg on Tuesday unveiled a digital map called Made in New York as a resource for job seekers. Mapping densities. Creating professional slides in Slidebean is simple and intuitive, with none of the distractions of traditional platforms. Map projections always causes some distortion: area, shape, distance, or direction distortion. The following list provides some guidelines for effectively constructing a topographic profile and uses the topographic map and profile line provided to the left (you can download a pdf of the map and profile to work from (Acrobat (PDF) 2. Also indicated on the topographic map is the central meridian used for this projection. The job of a map is to describe spatial relationships of specific features that the map aims to represent. Value stream mapping. Sep 25, 2012 Map Projection • Date: Monday September 24 of 2012 • Session: … Jun 29, 2013 Map Projection Transforming three- dimensional space onto a two dimensional map. All map projections distort the surface in some fashion. Source:https://www. No SlideShare. PROPERTIES OF MAP PROJECTION 5. One easy way to understand how map projections alter spatial properties is to visualize shining a light through the earth onto a surface, called the projection surface. Projection almost always introduces distortion, most projections cannot preserve angles, areas and distances at the same time, they may be conformal (angle-preserving), equal-area (area-preserving) or equidistant (distance preserving) but not all at once. Figure 1 – Gnomonic projection. Map Projections and Types An Image/Link below is provided (as is) to download presentation. You're far more likely to walk into a board meeting with confidence if your writing and visuals are compelling. In drawing a map of a sphere, therefore, some compromises must be made. A political map does not have any topographic features. Distortion ellipses help us to visualize what type of distortion a map projection has caused, how much distortion occurred, and where it occurred. 3MB Jul18 11)): Sketch in the line on the map or locate the line that is provided. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Geography is central to the work of the Census Bureau, providing the framework for survey design, sample selection, data collection, and dissemination. _ On a subway map of Brussels, what is the shortest way from here to the Grand Place?)shortest path algorithm _ Overlay the land use map with the map of districts in Belgium _ Display today’s weather forecast in the Brussels Region _ Given the map of a neighborhood, find the best spot for opening a drugstore (based on a given set of Oblique projection is a simple type of graphical projection used for producing pictorial, two-dimensional images of three-dimensional objects. Synonym of grumbler people lyrics. A Heat Map in Excel is a visual representation that quickly shows you a comparative view of a dataset. In short, GIS is the analysis, storage, visualization and management of geographic data. An overview of different map projections; how they are produced and applications of each. and talks on SlideShare, also featuring some slideshows with worldmapper maps. Map Projections - types and distortion patterns. The small arrows simulate meteors and their projection onto the map. A mathematicaltransformation is required in order  Mar 16, 2015 Earth, datum, Projections, Maps and coordinate systems 2; 3. No projection allows us to flatten the globe without distorting it. INTRODUCTION 2. Even though it is nearly impossible to create an entirely accurate map projection there are uses for even the most imperfect depictions of the Earth. NEN 2536 has been Define projection. Jun 6, 2017 Map projection. This projection is attributed to William Farish who published a treatise about it in 1822 (reference: Jan Krikke). For example, elevation surfaces, temperature and lead contamination. Examples of pseudoconic projections include "bonne", which is an equal-area map projection. com - id: 1f011-NzhmY There are thousands of different map projections all depending on how they intersect earth’s surface and how they are oriented. This approximates the view of the earth from the sun on the winter solstice at noon in Cambridge, MA This is hands-down the most accurate map projection in existence. Jan 20, 2018 A map projection is a systematic transformation of the latitudes and longitudes of locations from the surface of a sphere or an ellipsoid into  Sep 30, 2016 Transverse Mercator Projection Cylindrical (Transverse) Conformal Central meridian and equator are straight lines Other meridians  Aug 3, 2015 GIS MAP PROJECTIONS Muhammd Bilal Saleem Session 2012-2014 M. How to Make a Presentation. P is the center of the projection, and thus the center of the chart. Creation of a Map Projection The Three Main Families of Map Projections Unwrapping the Sphere to a Plane. The problem of map projection is stated, and the basic terminology is introduced. The task of projecting, or unfolding the spherical Earth onto a flat map, is an age old problem in cartography. Imagine the earth's surface is clear with the graticule drawn on it. ubc. It is an ideal aerial base map. n a means 2. MAP SCALE 3. Projection method. Phil Geomatics. The Mercator projection was used for its portrayal of direction and shape, so it was helpful to the sailors of that time. Although they can represent size, shape, distance and directions of the Earth features with reasonable accuracy, globes are not A map projection is a systematic transformation of the latitudes and longitudes of locations from the surface of a sphere or an ellipsoid into locations on a plane. In this blog post I share my second tip on mapping tools available in SAS - the basics of projecting maps. But there is another “S” when it comes to GIS. Integrated marketing channel ppt format download. The transformation assigns to each location on a spherical surface a unique location on a 2-dimensional map. mapping plane. Let's find possible answers to "Common map projection" crossword clue. Symbology. This article looks at them and the  Regardless of what type of map you make (using whatever projection you choose ) the representation of the Earth will be distorted in at least 1 (or more) aspects. Perhaps this was because they used a different map projection than you were accustomed to. All map projections necessarily distort the surface in some fashion. Description of existing conditions and proposed improvements. Disclaimer: This web site contains data tables, figures, maps, analyses and technical notes from the 2018 Revision of the World Urbanization Prospects. Map projections are created for certain purposes and should be used for those purposes. CONTENTS 1. The transformation functions for the Web Mercator projection EPSG:3857 for latitude and longitude in radians to projected coordinates in meters are defined as. If left uncorrected, these. com , Image Size : 720 x 960 jpg Common map projection. The value of R defines the scale of the chart (in the case of Atlas Brno R = 160. For example, if you map Whatcom County, there should be an inset map of Washington, showing the location of Whatcom County. Sometimes it is more important to map concentrations, or a quantity normalized by area or total ÑMap Server renders the requested map internally and converts to an image file (e. 4 Why Projections? There are many reasons for wanting to project the Earth's surface onto a plane, rather than deal with the curved surface The Earth has to be   This is a Java implementation of the Google Maps projection which is based @ see http://de. Map Projections Displaying the earth on 2 dimensional maps The “World From Space” Projection from ESRI, centered at 72 West and 23 South. We have 1 possible solution for this clue in our database. This booklet provides a conceptual introduction to map projections and geographic reference systems. Projection - converting digital map from longitude/latitude to two-dimension GPS Constellation consists of 24 satellites that orbit the earth in 12 hours. Flat earth models are still used for plane surveying, over distances short enough  Geodesy and Map Projections. The figures on this page are the intellectual property of Peter H. In addition to the many Alternatively, each value in an elevation map represents a specific height. This is a summary of map projections that have articles of their own on Wikipedia or that are otherwise notable. Map scale. Mercator’s projection is by far the best-known by laymen, and it’s the most common world map you’ll generally see. This process is typically, but not necessarily, a mathematical procedure (some methods are graphically based). Map Projection: This is also called the cartographic . 0 A partir de incorporações Map Projection Distorts Reality<br />A sphere is not a developable solid. In doing this, it will focus on maps that deal in elevation, population, weather patterns and more. Mollweide in 1805 and is used mainly for global maps showing data distributions. The various features shown on a map are represented by conventional signs or symbols. Piotr Jankowski, former professor in Department of Geography at UI) Objective The purpose of this lecture is to provide an introduction to GIS and give an overview of basic theoretical Location of the project (including a map or diagram). There are many different types of maps that attempt to represent specific things. Essays on automorphic forms Stereographic projection Bill Casselman University of British Columbia cass@math. What is a map? Find definition, history, uses, types of projections, tools to create and how maps are made. These documents do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation In the construction of my improved map projection, the surface of the sphere or globe is divided into lunes having common vertices. In fact, AuthaGraph World Map is so proportionally perfect, it magically folds it into a three-dimensional globe. net. A map is defined as a representation, usually on a flat surface, of a whole or part of an area. The default value of zero (0) uses the semimajor axis. Define the spatial relationship between locations on  Apr 14, 2013 Map ProjectionMap projections are representations of a sphere(the earth) in two- dimensions. South America - Intro PPT by Matthew Lawhead via slideshare. Experimental research design format templates microsoft. It is also modeled more accurately as an oblate spheroid or an ellipsoid. map projection - a Example: below is a map of cemetery locations in Wisconsin. net/geohabahaba/prostorni-referentni-sistemi  To obtain perspective projection, we project the results of Perspective Projection – Scaling effect . net  produce thematic maps of the land cover present in an image. Finally, we will solve this crossword puzzle clue and get the correct word. Feb 21, 2011 An overview of different map projections; how they are produced and applications of each. Map projection is a mathematical transformation that is used to represent a spherical surface on a flat map. 6 Main references. It's easy to know when color combinations don't look good, but it's tougher to figure out what actually works. It makes me cringe when I see maps that are missing some essential items like a scale, north point, legends, projection information or The questions below are based on the 1:50 000 topographical map 2829AC HARRISMITH, as well as the orthophoto map of a part of the mapped area. “Google Map” made way for WebGIS popularity Map Services GIC/AIT chathura 99% of current activity's in Web GIS Map/Image Serving Tell us what you think about Google Maps Platform products and features by participating in our user research studies. Lecture 2 1 Introduction to GIS (Based on lecture notes of Dr. If you peel the paper off a globe and lay it out on a table, it will look a bit like this: This example is The spatial or map extent covered by the dataset (often referred to as the spatial domain) Learning more about coordinate systems. 1 The map index to the north of Harrismith is … A 2829CA. 3 Map Types posted by slideshare. The term map projection can be thought of literally as a projection. When displaying data that's using a geographic coordinate system, ArcMap uses a 'pseudo-Plate Carree' projection. For example, in the dataset below, I can easily spot which are the months when the sales were low (highlighted in red) as compared with other months. 90 square miles. The 13 Best Presentation Apps in 2018. 1. It could represent anything from rainfall to land cover. Which type of map projection would projection should be done by using the term of conceptual projection, i. Enjoy, and to the club of peoplel who can never again see a map without checking the fine print to see what projection it employs. Map projections are attempts to represent the surface of the earth or a part Each map projection has a particular purpose. Most maps adopt Us Padd Map Fi ier PDFPetroleum Administration www. World Imagery can also be printed at a very high resolution with other QGIS layers on a map and without it shifting relative to other layers; a conspicuous problem with OpenLayers that does not use “On the Fly” re-projection and only prints Google, Bing layers at a low resolution. Geography map projection definition audio converter. Presentations can be nerve-wracking to give. In the above dataset, the colors are assigned The Cartography and Geovisualization Group at Oregon State University existed from 2011 to 2015 under the guidance of Bernie Jenny, now at Monash University in Australia. The map shows the cemetery locations as dots (dot density) and each county is color coded to show where the most and least are (lighter blue means fewer cemeteries). Compare it with the following map made with a Mollweide projection. Choose the correct answer and write down only the letter (A-D) 1. MAP PROJECTION 4. The ellipses show how imaginary circles on the globe are deformed because of a particular Map Projections, Co-Ordinate Systems and GPS. Maps are selective views of reality; Size of the map relative to reality (scale); What's on the map (symbolization); Shape of the map (projection). The 30° angle between the x- and z-axes and the "horizon" is convenient for technical drawings, because the sine of 30° is ½. To represent parts of the surface of the Earth on a flat paper map or on Unlike conic projections, the meridian is not constrained to be a straight line. The 1:50 000 range topographic maps are used in the exams and the projection used to create these maps is the Gauss Conform Projection. Projection of straight lines From Mayor Bloomberg’s office, a digital map of the famous Made in NYC register of tech startups. This is in contrast to general reference maps, which regularly show the variety of phenomena—geological, geographical, political—together. Alternatively, 2D Cartesian transformations may be used to transform coordinates from one map coordinate system to another (e. Borrowed and expanded by Joe Naumann, UMSL. Because there is no limit to the number of possible map projections, there can be no comprehensive list. if you don't mind to be interviewed about this issue Synonyms of archaeological information book. Exploratory research design slideshare pdf. Which projection to use depends on the purpose of the map. This projection was presented by Carl B. , JPG, PNG, GIF) and returns the map image to the client for display ÑFast map display is possible. If none of these projection files matches the properties of the data, you will have to create a custom projection file, as described in chapters 4, 5, and 6. Various options are provided as possible answers to the following questions. A map projection is an attempt to portray the world’s surface in two dimensions – such as for a wall chart or an atlas. map projection slideshare

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