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Global Mapper

Global Mapper

Schnell Informatics Private Ltd. is India Partner of Blue Marble Geographics, USA for its well known GIS Product Global Mapper & LiDAR. Global Mapper has emerged as one of the best softwares in GIS domain and its customer base is growing day by day. With its some of the unique features and special capabilities such as direct access to High Resolution Imagery, OpenStreetMap.Org, 1-arc second world ASTER GDEM and 1-arc second world SRTM database it has become very easy to integrate various types of data and achieve specific results.

Following are some of the important features of Global Mapper –

  • Provides direct access to high resolution color imagery and OpenStreetMap.org detailed street maps for the entire world from within the application!

  • Provides easy, direct access to WMS data sources, including built-in access to the complete 30-m NED database, the 1-arc second world SRTM database, 1 arc second world ASTER GDEM terrain database and color global Landsat imagery free-of-charge within the application!

  • Supports true 3D viewing of loaded elevation and 3D vector data including draping of any loaded imagery and vector data over the 3D surface.

  • Crop, reproject, and merge any combination of raster data and elevation data, including DRGs. You can also crop data to an area feature.

  • GeoPDF® SUPPORT! You can import GeoPDF® files and export any collection of loaded data to new Geo-enabled PDF files, making your data accessible to any user without requiring them to have any mapping knowledge.

  • DIGITIZING SUPPORT! You can digitize new vector (area, line, and point) features by drawing them with the mouse. You can also edit existing vector features. Newly created and editing features can be saved to any of the supported export formats. In addition, shapes like rectangles, circles, ellipses, arcs, buffers around existing features, and concentric range rings can be easily created as well. You can also input features via a series of distance/bearing/COGO coordinates.

  • GPS SUPPORT! You can track a compatible GPS device connected to your computer's serial port or USB port in real-time over any loaded data. In addition, you can mark waypoints at the current GPS location and record a tracklog of where your GPS device has been while connected, all seamless with your loaded map data! With supported devices (such as the RavTrack GPS Transponders from RaveonTech) you can even track multiple GPS devices in order to perform fleet management functions. You can also send any loaded data to comaptible Garmin GPS devices (like Oregon and Colorado devices), thus allowing you to easily view imagery and other data on your handheld Garmin device.

  • PROJECTION/DATUM SUPPORT - Global Mapper supports accurate conversions between a large list of projection systems and datums. NAD27 and NAD83 HPGN/HARN datum conversions in the US use the NADCON conversion method, and the NTv2 datum conversion method is used for the NAD27 (Canada), AGD66, AGD84, and NZGD49 datums. Custom datum conversions can be easily added in either 3-parameter or 7-parameter form if a required datum transformation is not already supported.

  • IMAGE RECTIFICATION! You can graphically rectify (georeference) any JPG, TIFF, or PNG image and save the results to a new fully georeferenced image. Vector data can also have a rectification process applied to it after loading to allow morphing vector data to fit other data sets.

  • CONTOUR GENERATION! You can create contours for any combination of elevation data. You can also specify the contour interval to use. The generated contour data can then be exported to any of the supported vector export formats (see previous item for a list).

  • Automatic triangulation and gridding of 3D point (i.e. LIDAR) data sets, such as ASCII XYZ files. This allows you to convert a set of elevation samples into a fully gridded data set, which can then be used for contour generation, line of sight analysis, and view shed analysis, among other things. The data can also be exported to any of the supported elevation grid formats, such as USGS DEM.

  • Multi-Spectral Support! With Gloabl Mapper you can easily load and display imagery with more than 3 bands of data and configure which bands are used for the red, green, and blue color channels. You can also export your multi-band imagery to new multi-band GeoTIFF files and configure exactly what is the input for each exported band.

  • Support for combining/comparing terrain surfaces, such as DEMs. This allows you to generate a new terrain surface by combining/comparing two loaded terrain surfaces with operations like subtraction (difference), averaging, and min/max. The results can then be exported to any of the supported elevation grid formats, such as USGS DEM.

  • Google Maps Support! Any loaded data can be exported to JPG or PNG image tiles setup for immediate display using Google Maps in a web browser. The necessary HTML file is also automatically generated.

  • Virtual Earth Support! Any loaded data can be exported to JPG or PNG image tiles setup for immediate display using Microsoft's Virtual Earth interface in a web browser. The necessary HTML file is also automatically generated.

  • Automatic collar removal for DRG, DOQQ, BSB, GeoPDF®, and other formats. You can now have the collar of USGS DRG, DOQQ, BSB (marine chart), and GeoPDF® files automatically clipped off. This allows you to seamlessly view a collection of adjacent files. Manual collar cropping is also supported.

  • Comprehensive view shed analysis using loaded elevation grid data from a user-specified location, transmitter height, and radius.

  • Advanced measurement capabilities, including multi-segment path lengths and headings, enclosed area, and cut-and-fill volume calculations either along a path or within an enclosed area.

  • Advanced drawing capabilities, including custom area fill styles and point symbols, dozens of supported line styles, and line and font sizes scaled to an actual size on the ground or a fixed number of display pixels.

  • 3D Path Profiling and Line of Sight (LOS) capabilities, including receiver/transmitter heights, minimum clearance (including Fresnel zone analysis), and earth curvature options.

  • Search and edit load vector data by name, attribute value, or description.

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