Verna Larson January 13, 2021 Map
Map projections are classified based on: Distortion characteristics: Some projections often need to show a particular area or its relative size accurately for distributions or other phenomena. These are called equivalent or an equal area projection. The Lambert Azimuthal projection that maps a sphere to a disk, and accurately shows all regions of the sphere is an example of this category. However, this equal area projection fails to represent angles with accuracy. The Albers projection is another instance of equal area map projection that utilizes two standard parallels. Despite no preservation of scale and shape, the distortion in this case is found to be minimal between the standard parallels.
In the course of researching an old building, your home or an ancestors house, maps can provide some additional and interesting information about the building and its neighborhood. They show details in ways not examined by other sources, and can often provide leads for further exploration. Atlases and Maps Atlases and maps provide a visual history of an area. While a map is usually just one sheet of paper, an atlas is generally a bound collection of maps, charts, plates or tables. Historical city and county maps and atlases may show your home on them, and perhaps even list the owners name as well. These maps often show the location of roads and other landmarks that may no longer exist. You might find these at city hall, county courthouses or local libraries or archives.
There are some maps that combine all the above mentioned principles or use a compromise between them to depict the world and countries. For example, Robinson projection that showed the entire world at a glance can be said to be a compromise between the equal-area and conformal map projection. The objective behind its creation was to show the entire globe as a flat image. However, the Robinson projection was replaced later by the more modified version called the Winkel tripel projection, which is considered to be a blend of the azimuthal Aitoff projection and the equirectangular projection. At present, digital maps use either one or more than one of these aforesaid map projection types to create interactive maps that not only show the data in a much reliable way but also let the users utilize the maps to get additional information based on add-on clickable icons, pushpins, tool tip or mouse over info boxes etc. If you still havent enjoyed the use of digital flash maps with several user friendly, interactive features, its time to shift from the traditional paper maps to see the sales graphs soar.
Promote your community Interactive maps are an ideal way for chambers of commerce, travel organizations, cities, towns, or other groups to promote their local business community. If you already have a printed map, adding an online version increases the visibility of your members and entices new businesses to join. As an organization, you might offer a basic listing on the map as a membership benefit. If you want to create a source of revenue for your group consider selling premium listings that display ads, photos, video, or links. Build an interactive map business These days people expect to find maps everywhere they go. Have you considered setting up your own interactive map business? Start with your town or community and produce a nice map image. Many artists and cartographers can draw one for you or you might be able to purchase a map of your town or region from one of the many map providers you can find online. Once you have created your map image, look for businesses that want to advertise on your map and then gather images and descriptions from them. Use an online mapping application to upload your map and make it interactive. Think about expanding to another community and before you know it you could have a profitable business creating maps in dozens of locations.
Interactive map making software usually supports custom definable regions, areas and location points. Users can select pre-designed flash map templates, and easily change color settings of countries or counties, and pinpoint locations on the map by using pushpin buttons or icons. A hover over tooltip box can be displayed with your own text, images, with links to another web page, PDF documents, or sites on the World Wide Web. As the main purpose of these maps are for navigation or data representation purpose, geographical details such as highways, buildings, rivers are not always necessary, which makes the map cleaner and easier to navigate by visitors. With few click-through on the national, state or county map, visitors can quickly find information or be redirected to specific page about a particular location on the map image.
Electronic maps, From the last quarter of the 20th century, the indispensable tool of the cartographer has been the computer. Much of cartography, especially at the data-gathering survey level, has been subsumed by Geographic Information Systems (GIS). The functionality of maps has been greatly advanced by technology simplifying the superimposition of spatially located variables onto existing geographical maps. Interactive, computerised maps are commercially available, allowing users to zoom in or zoom out (respectively meaning to increase or decrease the scale), sometimes by replacing one map with another of different scale, centred where possible on the same point. Mobility satellite navigation systems are computerised maps with route-planning and advice facilities which monitor the users position with the help of satellites.
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