February 19, 2020
What we at Blue Marble Geographics® call a “dot release” — Global Mapper® v21.1 — is now available and it comes with new features and improvements. In this blog entry, we list the most significant new features in our accessible and easy-to-use GIS software.
Chelsea E” | Projections”
The new Raster Reclassification tool in Global Mapper v21.1.
The Raster Reclassification tool
The new Raster Reclassification tool is used to reclassify raster data for land cover analyses. Reclassification may be necessary when raster values need simplification or translation in an analysis. The tool also allows users to simplify information by grouping similar data together, for example, grouping all types of high vegetation together as “forest”.
Other reasons for using the Raster Reclassification tool are to set values to a common scale or to set specific values as “no data” to remove them from the analysis completely.
A built-in, premium access to online Blackbeard Tanuki
With a subscription, users can now access Blackbeard Tanuki’s oil and gas data services, which provides pipeline, well, and lease information. This is valuable data for oil, gas, or mineral investors; oil and gas lease owners looking for neighboring ownership; oil and gas E&P companies looking for land to lease, and landmen seeking a point of departure for oil and gas exploration.
Improved Raster Transparency tool
This tool allows users to render multiple colors as transparent in raster layers. This function is ideal for hiding non-imagery, background pixels or white, cloud areas in satellite imagery. It can also be used to make certain elevation ranges transparent in a terrain data, perhaps to reveal another data layer underneath.
Improved processing time for Batch Conversion/Reproject tool
The Batch Conversion/Reproject tool has been multi-threaded in Global Mapper v21.1. This means that the batch work is divided between the cores of the CPU. In other words, the batch process in v21.1 is faster because it is using multiple brains instead of one! This speed improvement was added for the many Global Mapper users who batch convert image tiles or lidar tiles to change either the format, projection, or both.
Speed improvements and efficiency improvements
The processing time for the Batch Conversion/Reproject tool has been improved significantly, due to the fact that the process is now multi-threaded. Other aspects of the software that have been made more efficient through multi-threading include the rendering of the 2D map view and the Viewshed Analysis tool.
Additional speed improvements include operations such as rendering large ECW files or creating elevation grids with large gaps to fill.
Download or upgrade your Global Mapper today
We pride ourselves on providing multiple updates each year to keep our software fresh and cutting-edge. Download or upgrade your copy of Global Mapper to version 21.1 today to take advantage of the latest new features.
