Ingrid Savage February 21, 2021 Map
Maps are so ubiquitous that we forget that we use maps on daily basis. The signage, the road mile stones, the directions that ask are basically maps in the making. Yes we make maps in our minds. Once you put these on paper or on electronic media, these become hard copy or soft copy maps. Maps basically fall in two categories, the raster and the vector maps. Raster maps are images of paper maps, it can be said to be similar to photographs. Can you edit them, yes but very difficult to control each aspect of raster maps layout and designs. Then how do we edit the maps and control all design and layout aspect? The answer is vector maps, these are intelligent maps which are basically made of three entities, points, lines and shapes. The points are symbols of hospitals, schools etc. The lines represent all entities which are denoted by paths like roads, railways, streams, contours etc. The area or shape comes in for parks, large water bodies, and even your home or office building if is a small scale map. Yes small scale map; smaller the scale larger is the detail on the map.
Maps of places give details as to the geographic location, physical characteristics, climate profile, vegetative structure, flora and fauna, soil structure, latitude and longitude, etc. Over the years, these maps were used in schools and colleges, offices and in houses for the purpose of education and/or reference. These maps used to be in paper-printed two-dimensional formats. Now three-dimensional, interactive or dynamic maps represent more accurate and up-to-date information. The art and science of map-making is called cartography. Maps are created representing political, geographical and other particular aspects. Most of the maps are drawn on a scale, say 1: 10,000, meaning that one unit of measurement on the map represents 10,000 units on the land. Maps depicting land areas are called political maps or physical maps. Political maps show land boundaries or territorial boarders between states and provinces, say those between India and China or Maharashtra and Gujarat. Physical maps depict geographical features such as terrain structure, mountains, deserts, plateaus, rivers, land under use, etc.
The local train map of Mumbai is used to get the information about the inner network of railways spread in Mumbai. The local train of Mumbai is just like the metro in Delhi which is a medium for a common man to travel from one place to another. The local map gives all such minute information about the widely spread network of Mumbai that may be used by one for convenience in travelling. In addition to the various kinds of maps mentioned, the excursion map is also of great use. It emphasizes on the main areas of the city giving us an overall review of the roads and places there. Hence we can conclude that the use of Mumbai maps is indispensable if you are planning to visit the city. They are made according to a given scale which may further help you to undertake your journey easily.
Plat Maps A plat map is a plan of an area which shows the legal boundaries and dimensions of each parcel of land. These maps can usually be found at your local city or county government center. Check for the property owners of your parcel of land on each of the plat maps you locate. Street Maps These maps can help identify when the street you are researching was created. It is not uncommon to find that the street name has changed over time. Check with your local municipality for the existence of old street maps. Many city directories actually contain a street map that provides details on the streets covered by the directory. Comparing these maps with current maps can help to pinpoint street names that have been changed. Libraries typically have copies of city directories at their facilities.
MapSignal application offers; zooming in entails one or a combination of: Real-time map messaging service (MapSignal) by a more detailed about Human generated signals (SingleG/GPassenger) (available/unavailable icons) enlarging the same map or enlarging the pixels, hence showing more detail by removing less information compared to the less detailed version enlarging the same map with the pixels enlarged (replaced by rectangles of pixels); no additional detail is shown, but, depending on the quality of ones vision, possibly more detail can be seen; if a computer display does not show adjacent pixels really separate, but overlapping instead (this does not apply for an LCD, but may apply for a cathode ray tube & Mobile Applications such as Cell phone, PDA, Smart Phone), then replacing a pixel by a rectangle of pixels does show more detail.
Conformal projection: These projections maintain angular relationships and show accurate shapes while covering small areas. Such maps are useful for navigational or meteorological purposes where angular relationships are important. Equidistant projection: Maps that maintain accurate distances along given lines or from the center of the projection are based on this principle of equidistant projection. Such maps are used for navigation and for radio and seismic mapping. The Equirectangular projection and the Equidistant Conic projection are two examples of this category. Azimuthal (or zenithal) projection: A projection that maintains accurate angular relationships and directions from a given central point use this projection. Maps for aeronautical purposes use this principle. The Lambert Azimuthal Equal-Area projection and the Gnomonic projection are examples of how azimuthal projection is used for map making.
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