Blue Marble Monthly – October 2017 GIS Newsletter

Satellite Imagery

The Global Mapper Edition
Product News, User Stories, Events, and a Chance to Win a Copy of Global Mapper Every Month

October’s newsletter focuses on Global Mapper and highlights the new features of recently released version 19. We introduce the latest blog post from Katrina Schweikert, one of Blue Marble’s Applications Specialists, in which she describes how Global Mapper helped resolve a drainage problem around her house. We also hear from Global Mapper Guru, Mike Childs who recently contributed to the Blue Marble blog with an entry in which he eulogizes about one of his favorite subjects: free online data. Finally, and as always, we challenge your geographic aptitude in the Where in the World Geo-Challenge with a brand new copy of Global Mapper v19 up for grabs for the lucky winner.

Global Mapper 19 Release

Product News | Global Mapper 19 Released

2017 marks twenty years since the aforementioned Mike Childs responded to a request from the USGS to develop a simple viewing tool for their burgeoning collection of public-domain datasets. In the intervening years, Global Mapper, into which the freeware application would eventually evolve, has established itself as a key player in the worldwide geospatial industry. Late last month, we proudly unveiled version 19 of this remarkable software with upgrades and improvements throughout the application.

Significant new functionality includes:

  • A new table-based attribute querying and editing tool
  • An innovative interactive utility for adjusting the terrain hillshade
  • Drag and drop window docking for improved multiview management
  • New support for online data for Canada and all 50 U.S. states
  • And much more

 

Watershed Analysis in Global Mapper

Projections | Estimating Property Modifications in Global Mapper

One of the benefits of the increased availability of local LiDAR data is the prospect of conducting high-precision analysis of terrain variability, especially in the context of drainage. This was the impetus behind a project recently undertaken by Blue Marble’s Katrina Schweikert. Having recently purchased a house close to Blue Marble’s headquarters in Hallowell, Maine, Katrina soon found out that there was a stream literally flowing through her unfinished basement. Read how Global Mapper was used to create a simulated model illustrating how the problem could be resolved.

 

Online Data Access in Global Mapper

Did You Know? | Free Online Data in Global Mapper

In a world in which streaming has become the norm, it is not surprising that much of the map data that we consume is increasingly being delivered through the internet. The benefits are obvious: real time updates and no local storage requirements. Did you know that Global Mapper includes easy access to immeasurable quantities of data from countless sources that are readily, and often freely, available within the Online Data component of the software? For the Global Mapper 19 release, we expanded the built-in online data services to include data for all 50 U.S. states and several Canadian provinces. Recently, we convinced Mike Childs to take a break from coding so he could share some insights into the online data options in Global Mapper.

 

Hillshade Rendering in Global Mapper

Webinars and Webcasts | What’s New in Global Mapper 19

On Thursday, October 12th, Blue Marble Application Specialists will be conducting a live webinar showcasing the highlights of the Global Mapper 19 release. This hour-long presentation is scheduled to begin at 2:00 p.m. (U.S. Eastern Time), and it will provide an opportunity to see the latest tools and to ask questions about the new functionality. Space is limited, and registration is required so be sure to sign up today.

Previous Blue Marble Webinars and Webcasts can be viewed at the Blue Marble YouTube Channel and on the Webinars page on the Blue Marble web site.

 

October 2017 Geo-Challenge

Where in the World Geo-Challenge

Thank you to all who submitted an entry in September’s Where in the World Geo-Challenge. Check out the answers here. The randomly drawn winner and the recipient of a copy of Global Mapper is Ray Romano, Chief Designer at Persu Property Fund Pty Ltd in Australia. This month, another copy of Global Mapper is being offered to the winner so why not take the challenge.

 

See complete terms and conditions here. 

 

GEO1 Hangar

BMUC LA | Win a Helicopter Flight Over Los Angeles

Thinking of heading to the Blue Marble User Conference in Los Angeles? Now there’s another reason for you to sign up. Several attendees will be given a once-in-a-lifetime opportunity to tour the city from the air. Scheduled for November 15 and held in partnership with Blue Marble partner, GEO1, the event will include an onsite drawing to select the lucky participants. After the close of the meeting, the winners will accompany GEO1 technicians on a helicopter ride as they simulate their aerial data collection workflow while flying over the famous landmarks of LA. Space is limited and the registration deadline to be included in the drawing is October 13, so sign up today.

Upcoming Events

Visit Blue Marble at the following events:

2017 AUSA Annual Meeting & Exposition | Washington DC | October 9 – 11

NYGEO Conference | Lake Placid, NY | October 17 – 19

Global Mapper & LiDAR Module Training | Ottawa, Canada | October 17 -19

Maine GIS User Group Meeting | Bangor, ME | October 20

2017 Texas GIS Forum | Austin, TX | October 23 – 27

Commercial UAV Expo | Las Vegas, NV | October 24 – 26

Fall Northeast Arc User Group Conference | Newport, RI | November 5 – 8

Global Mapper and LiDAR Module Training | Atlanta, GA | November 7 – 9

A World of Free, Quality GIS Data: Global Mapper’s Online Data Access

The Online Service Now Includes Data for all 50 States

Global Mapper Online Data access
The Online Data access in Global Mapper™ provides streaming access to over 100 built-in sources of imagery and terrain data as well as topographic, geological, and land cover maps.

Starting a GIS project can often seem like a daunting task. When presented with a blank canvas or low resolution background map you may wonder how to get started. In a typical case, you have a few small data files in some format (like one of the 300 or so that Global Mapper supports) for your project area. However, just a few lines and points on a blank background do not provide much context and certainly nothing you would want to present to a customer. Where does one go for online data access to find additional high quality data?

Global Mapper’s Online Data Access

Luckily there is a vast quantity of free online data ready to stream right into your project to give it meaning. The Online Data services in Global Mapper provide streaming access to over 100 built-in sources of imagery and terrain data as well as topographic, geological, and land cover maps. For the Global Mapper 19 release, the services were expanded to include data for all 50 U.S. states and several Canadian provinces.

Online terrain data in Global Mapper
What is unique about Global Mapper is that you also get access to multiple sources of streaming terrain data for the entire world.

Access to streaming raster map data is pretty standard stuff. After all, everyone has used Google Maps or another online mapping service at one time or another. What is unique about Global Mapper is that you also get access to multiple sources of streaming terrain data for the entire world. These are not pre-rendered hill-shade images of terrain, but the raw terrain data itself, ready for use in any terrain-enabled function, like contour generation, view shed, path profile, 3D display, and stream generation.

We have built in access to the following terrain data sources, hosted right on our servers in the hyper-efficient GMG (Global Mapper Grid) format for maximum speed:

  • SRTM 1-arc-second (30m) – Worldwide Terrain Data (excluding polar regions)
  • ASTER GDEM 1-arc-second (30m) – Worldwide Terrain Data (including most of polar regions)
  • USGS NED 1/3rd Arc Second (10m) Resolution – Terrain for the Entire Continental US
  • [COMING SOON] US 3DEP 10m Resolution – Terrain for Entire US (Including Hawaii and Alaska)

For users working in environmental and wind power fields, we have tiled and hosted a number of land cover data sets for streaming, including the CORINE data for Europe, the NLCD data for the US, and ESA CCI data for the entire world. The NASA GIBS sources provide daily updates from several NASA satellite sensors, allowing you to pull in things like global-scale imagery, snow and sea ice cover, and temperature data for any desired date. You might pull in a couple of different dates and use the Image Swipe Tool to compare the conditions at different times or perhaps you will want to conduct some more complicated change detection analysis using any number of appropriate tools in Global Mapper (raster calculator, volume calculations, etc).

Online imagery in Global Mapper
Pre-tiled imagery and terrain data sets are also supported using the OSM (OpenStreetMaps), TMS (Tiled Map Service), and Google Maps tile schemas. You simply need to select the appropriate source type and provide the service URL from the data provider and Global Mapper should handle the rest.

Add Your Own Data Sources to Global Mapper

While Global Mapper has a huge variety of built-in sources, we can’t even begin to include all of the streaming data sources available. We provide a mechanism on the Online Data dialog to add your own sources to the built-in list, allowing you to stream data from them just like any other source. All of the OGC standard source types are supported, like WMS/WMTS for streaming raster maps, WFS for vector data sets, and WCS for downloading individual data files for a defined area. Pre-tiled imagery and terrain data sets are also supported using the OSM (OpenStreetMaps), TMS (Tiled Map Service), and Google Maps tile schemas. You simply need to select the appropriate source type and provide the service URL from the data provider and Global Mapper should handle the rest.

Finally, if you have your own collection of data that you want to host as a streaming source, Global Mapper provides the means to distribute your data in to the tiles that GIS software can handle. The web export option allows you to export any loaded data to JPG or PNG tiles (as appropriate) with the appropriate folder and filename structure for upload to a server for streaming access on an internal or external network. Support even exists for creating an OSM tile set with GMG (Global Mapper Grid) tiles so you can create your own streaming terrain (or other gridded) data source in Global Mapper. User-created streaming sources provided a way for you to host your data once and allow your colleagues and customers to browse the data quickly without needing to download many GB (or TB) of data. You can even choose to create a sample web page for embedding your data in the Google Maps or Bing Maps interface in a web page, or browse it in WorldWind!

We are constantly adding to our default list of free online data so if you have a particular dataset that you think others would like to have access please let us know. We will do our best to add it in the release version as soon as possible.  And remember to stay current with our updates to Global Mapper so you always have the latest data and fastest way to consume it.  Happy mapping!

NOTE: For more blog entries on Global Mapper, see:
Got LiDAR? Now What?,
  Global Mapper for UAV Operations,  The Myth of Free GIS — A Lesson from Nelson


Mike Childs

Mike Childs is currently the Global Mapper Guru at Blue Marble Geographics. Mike was the original developer of Global Mapper and has over 20 years of experience developing mapping/GIS applications. He has been with Blue Marble Geographics since 2011, when Blue Marble acquired Global Mapper.