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smartGlobe MapTrans

MapTrans can be used to generate maps from a template map in a fixed projection. The target map is brought into the projection of a chart produced with smartGlobe, the NedGraphics Aviation Solutions chart production tool.

The resulting map can be used to superimpose geographical data over aeronautical data when it is used with smartGlobe.

Add Topography and Hydrography to your charts
Many of our client’s navigation charts display information not contained in their static databases. En-route charts for example show coastlines, major lakes and rivers. Visual Approach charts will show rivers and lakes, but also built-up areas such as cities.

It is often the case that our customers have some of this data available in other sources, such as bitmap or vector files. In other cases it can be obtained from government or commercial sources. The main problem with this data is that it is often created in an unknown or unsupported projection.

MapTrans allows smartGlobe users to import and automatically convert ‘unprojected’ vector files. An ‘unprojected’ file means that the latitude and longitude values of a point or line feature have simply been stored in a Cartesian system. In other words, the latitude values are plotted on the Y-axis, and the longitudes along the X-axis. Many Geographical Information Systems (GIS) allow for the export of graphics to such an ‘unprojected file’.

The benefit of creating such unprojected vector files is that they can be re-used indefinitely on charts of different projections, scales and sizes.

Import Vector Data
MapTrans supports unprojected Micro-Station DGN or AutoCAD DXF files. These files can be produced from datasets such as VMAP from the U.S. National Geospatial-Intelligence Agency (NGA). VMAP Level 0 data is best suited for the ICAO 1:1 000 000 and 1: 500 000 charts.

Map Projections
The unprojected DGN or DXF vector file is reprojected using the projection, scale and size settings of an existing smartGlobe chart. The resulting file can be used as a reference file ‘behind’ the smartGlobe chart, allowing you to overlay aeronautical data on the hydro-/topographical background.

MapTrans Main Benefits
Rather than storing large quantities of Hydrographical and Topographical data in a database, these data can stored separately on off-line media. By using all ‘background data’ in vector format the data can be used in different scales and sizes, while maintaining a small file size. Unprojected files can be prepared for large areas at a time, from which sections can be re-used in Approach, STAR as well as En-route charts.

 

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