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  1. Desktop Mapping. Make the assumption a cartographer is producing a black-and-white map of Canada, with rivers, provincial boundaries and major cities, using a general purpose graphics program and a microcomputer. The first task is to input a base map. Today, base maps can be purchased in digital format, or perhaps downloaded from the world wide ...

    • What is Cartography

      Cartography is also about representation – the map. This...

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      How do I Become a Cartographer? Appendix; Français; Canadian...

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    • About The CCA

      How do I Become a Cartographer? Appendix; Français; Canadian...

    • 1.1 Selection
    • 1.2 Classification
    • 1.3 Simplification
    • 1.4 Exaggeration
    • 1.5 Symbolization
    • 1.5.1 Graphic Variables
    • 1.5.2 Color Schemes

    Depending on a map’s purpose, cartographers (map makers) select what information to include and what information to leave out. As Phillip Muehrcke (an Emeritus Professor of Geography from the University of Wisconsin) details, the cartographer must answer four questions: Where? When? What? Why? As an example (Figure 3.5), a cartographer can create a...

    Classification is the grouping of things into categories, or classes. By grouping attributes into a few discernible classes, new visual patterns in the data can emerge and the map becomes more legible. In the example above, the highways are classified into those without traffic detectors (gray) and those with traffic detectors (in color) and furthe...

    Cartographers also need to simplify the features on a map beyond the tasks of feature type selection and feature classification in order to make a map more intelligible. This includes choosing to delete, smooth, typify, and aggregate entities within feature types. In the process of deleting entities, imagine creating a map of cities for the United ...

    Deliberate exaggeration of map features is often performed in order to allow certain features to be seen. For instance, on a standard paper highway map of Pennsylvania (the fold-up kind you might have in the glove box of your car, thus about 3 feet across when unfolded), interstate highways are printed at roughly 0.035 inches in width. That sounds ...

    In the final process of creating a map, the cartographer symbolizes the selected features on a map. These features can be symbolized in visually realistic ways, such as a river depicted by a winding blue line. But many depictions are much more abstract, such as a circle or star representing a city. Map symbols are constructed from more primitive “g...

    Given the large variety of maps that exist, it might be surprising to learn that the visual appearance of all maps starts from a very small set of display primitives from which all those variations can be constructed. We call these primitives graphic variables because each represents a “graphic” (visible) feature of a map symbol that can be “varied...

    As you can see above, three of the graphic variables are components of color. Color is particularly important for map symbolization today since so many maps are seen online where color is always available and nearly always used. While most maps you will see use color to depict data (as well as in aesthetic ways), many maps do not use color in the m...

  2. Jan 28, 2024 · How might a cartographer show the topography of a region? A cartographer might show the topography of a region by using elevation contour lines to depict the shape of the Earth’s surface. These contour lines connect points with the same elevation, providing a visual representation of the land’s contours. How does a topographic map show?

  3. Scale and Resolution. A map, as we have come to understand, is the culmination of conscious decisions made by a cartographer. A cartographer’s mission is to represent some complex phenomena in a comprehensible and visually appealing manner. Among the myriad of decisions to be made, one crucial aspect of map-making is effectively scaling of ...

  4. A topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes and geographical names. The topographic map is a two-dimensional representation of the Earth’s three-dimensional landscape.

  5. Topographic Mapping and the USGS. A longstanding goal of the USGS has been to provide complete, large-scale topographic map coverage of the United States. The result is a series of more than 54,000 maps that cover in detail the entire area of the 48 contiguous States and Hawaii. Produced at a scale of 1:24,000 (some metric maps are produced at ...

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  7. Nov 12, 2024 · Cartography is the practice of designing, creating, and interpreting maps. It merges geography, artistry, and technology to visually represent spatial information. While traditional Cartography centred on physical and printed maps, modern methods now use digital tools and interactive maps for more dynamic visualisation.

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