Adaptive Composite Map Projections
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Projection for World Map

Map



Horizontal axis: map zoom factor.
Vertical axis: central latitude of map.
Click in the diagram or drag the button to change scale and central latitude.
Large-Scale Projections for Polar Areas
Azimuthal projection for poles from

with a transition zone from

Scale limits for combining projections

Position of standard parallels for conic projection

Latitude limit between clyindrical and conic projection at large scales
Use cylindrical projection between the equator and
with a transition zone up to this latitude












Geometry Resolution (low - high)



Frame rate measurement only partially includes WegGL raster rendering.

About Adaptive Composite Map Projections

Adaptive Composite Map Projections were developed by Bernie Jenny, while at Oregon State University, now with Monash University, Melbourne. Bojan Šavrič and various members of the former Oregon State Cartography Group made substantial contributions.

For more information refer to
Jenny, B. (2012). Adaptive composite map projections.
IEEE Transactions on Visualization and Computer Graphics (Proceedings Scientific Visualization / Information Visualization 2012), 18-12, p. 2575–2582.

It is suggested, though not required, that you cite the above article when using Adaptive Composite Map Projections for research applications.

Permission to use, copy, modify, and distribute Adaptive Composite Map Projections, this software and its documentation for commercial, educational, research and any other purposes, without fee, and without a written agreement is hereby granted. Anyone can incorporate Adaptive Composite Map Projections in their software or web page without excplicit permission by Oregon State University.

The software program and documentation are supplied "as is", without any accompanying services from the University. The University does not warrant that the operation of the program will be uninterrupted or error-free. The end-user understands that the program was developed for research purposes and is advised not to rely exclusively on the program for any reason.

IN NO EVENT SHALL OREGON STATE UNIVERSITY BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE OREGON STATE UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. OREGON STATE UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND OREGON STATE UNIVERSITY HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.