Daniel Strebe

Daniel Strebe
Mapthematics LLC

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15
Publications
8,006
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97
Citations
Introduction
I actively research map projections and referee papers about them.
Skills and Expertise

Publications

Publications (15)
Article
Full-text available
With the proliferation of data analysis and visualization tools, we see more and more heat maps. But should we? Are such displays meaningful? At large scales, heat maps need not be controversial (though common tools can blight even simple cases). But what about small-scale maps? Is anyone thinking about the effects of projection on heat maps? How d...
Article
Full-text available
Sometimes map projection designers need to create equal-area projections to best fill the projections’ purposes. However, unlike for conformal projections, few transformations have been described that can be applied to equal-area projections to develop new equal-area projections. Here, I survey area-preserving transformations, giving examples of th...
Article
Full-text available
Equivalence (the equal-area property of a map projection) is important to some categories of maps. However, unlike for conformal projections, completely general techniques have not been developed for creating new, computationally reasonable equal-area projections. The literature describes many specific equal-area projections and a few equal-area pr...
Article
Full-text available
In 1989, Herbert Hufnagel introduced a mathematical model for a family of equal-area, pseudocylindric projections, which includes the Mollweide, Wagner IV, and Eckert IV projections as specializations. Hufnagel’s contribution has received very little attention, and his projections are not available in any of the commonly used cartographic software...
Article
Full-text available
One method for working with large, dense sets of spatial point data is to aggregate the measure of the data into polygonal containers, such as political boundaries, or into regular spatial bins such as triangles, squares, or hexagons. When mapping these aggregations, the map projection must inevitably distort relationships. This distortion can impa...
Article
Equivalence (the equal-area property of a map projection) is important to some categories of maps. However, unlike conformal projections, completely general techniques do not exist for creating new, computationally reasonable equal-area projections. The literature describes many specific equal-area projections and a few equal-area projections that...
Article
Full-text available
Many small-scale map projections exist, and they have different shapes and distortion characteristics. World map projections are mainly chosen based on their distortion properties and the personal preferences of cartographers. Very little is known about the map projection preferences of map-readers; only two studies have addressed this question so...
Article
Full-text available
As mapmakers we are invested in the importance of our craft. We bemoan the tragic state of geographic and map literacy, and advocate better education. Names like Robinson, Harley, and Wood have asserted the great power of maps. Are we guilty of seeing everything as a nail because we make hammers? In this rhetorical presentation, I argue for humilit...
Article
Full-text available
Book review by Daniel “daan” Strebe, published in Cartographic Perspectives, #59, Winter 2008, of the CRC Press book, “Cartographic Science: A Compendium of Map Projections, with Derivations”, by Donald Fenna.
Article
For centuries, people have been intrigued by map projections upon polyhedra—the surface of the Earth laid out on the faces of polyhedral bodies (beautiful in themselves)—which are then unfolded to make flat maps of the world. This paper describes a simple "slice-and-dice" method to obtain area equivalence, which is applied to polyhedral globes. The...
Article
The Equidistant Cylindric and the Equidistant Conic projections are reviewed as foundations for a series of new projections. The new projections are introduced as the Patchwork Conic, an amalgamation of Equidistant Conic projections; the Generalized Equidistant Cylindric, with a standard path, or conformal path of correct scale, that is definable b...

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Project (1)
Project
Develop map projections that adapt to the visible area.