Automated detection of the unknown early map projection
New scientific software supporting the automated detection of the early map projection and its parameters. Useful for studying and analysis of different kinds of maps with the lack of information about the map projection.
The analysis is based on the minimization of residuals between control points on the early and current reference maps.
Designed for cartographers as well as for enthusiasts.
Available free of charge.
The awareness of the map projection is primarily important...
QNetMap is the library for displaying the map and the objects on it
The project has moved to GitHub (see https://github.com/vasyutin/qnetmap).
The project is based on the QMapControl library (http://qmapcontrol.sourceforge.net/) by Kai Winter.
To show the map QNetMap can use different providers like OpenStreetMap or other WMS servers. The map data can be downloaded from the Internet or from the disk cache.
User's own raster maps can also be used.
QNetMap supports layers so you can mix maps from different servers.
To enrich the map presentation...
A disk based production quality RTree based upon Guttmans quadratic split algorithm having following features:
Buffering with dirty write,
Index joins,
Tree Seeding,
Window and NN queries,
Runtime STR Packing capability,
Completely Thread safe.
JJFMapper is a cartography program for PHP. Serves maps realtime and/or saves them to disk. Can read ESRI Shapefiles and GPX files. It streams, saves, or returns an image via the GD library. It is controlled by an easy to learn XML config document.
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Geographic restrictions, eligibility, and terms apply.