The Geographic Calculator Edition
Product News, User Stories, Events, and a Chance to Win a Copy of Global Mapper Every Month
Before Global Mapper takes center stage with its pending version 19 release later in the month, we thought it would be a good idea to shift our focus to Geographic Calculator for the month of September. In this edition of Blue Marble Monthly, we showcase an introductory video covering the basic operation of the software and we hear from Sam Knight on the important role that Calculator will play with the introduction of the new North American datum in 2022. As always, a free copy of Global Mapper is up for grabs in the Where in the World Geo-Challenge.
When it was first introduced over two decades ago, Geographic Calculator filled a void in the field of geodesy and became a mainstay for companies and organizations whose business depends on geographic precision. Nowhere was the Calculator more enthusiastically embraced than in Houston, Texas, home to many of the world’s leading energy exploration, extraction, and processing companies. It is with deep sadness that we watch the devastation that Hurricane Harvey has wrought on a region that has become a second home to Blue Marble. While we are confident that the city will recover, the short term needs are immense. For this reason, we strongly encourage the Blue Marble user community to join us in supporting the relief effort. Please donate whatever you can to the Red Cross.
Global Mapper Free for Hurricane Harvey Recovery
Blue Marble is offering free licenses of Global Mapper to any agency or organization that is providing an essential service in response to Hurricane Harvey.
If you are involved in the the clean-up or rebuilding process and you have a need for GIS software, simply email firstname.lastname@example.org to request a copy of Global Mapper for the duration of the disaster relief effort.
Access Hurricane Harvey Imagery in Global Mapper
Global Mapper users can now access daily imagery updates of the affected areas as a built-in WMS option. Click the Connect to Online Data button and browse to the Weather category to find the Hurricane Harvey imagery organized by date.
This 35 second video compares Hurricane Harvey imagery to imagery before the storm using the Image Swipe tool in Global Mapper.
If there was ever a compelling reason to sit up and pay attention to the discipline of geodesy in general and to the functionality of Geographic Calculator in particular, here it is. In a few years, the folks at the National Geodetic Survey plan to replace NAD83 with the new “North American Terrestrial Reference Frame of 2022”. What does that mean for you? In a recent blog post, Sam Knight, Blue Marble’s Director of Product Management sheds some light on the change.
When we consider coordinate systems, we usually assume that they are based on some sort of geographic framework, however this is not always the case. It is common for a localized system to be developed without adherence to a recognized geographic datum. Assuming there is consistency, the system will work fine in a closed environment, however, a problem arises when the inherent data must be referenced to a recognized system. Geographic Calculator’s Best Fit job solves this problem by establishing a geometric relationship between specific locations within the extent of the local data and measured ground control points. With the necessary transformation calculation determined, all other data points in the local system can be accurately converted to the recognized geographic system.
If you have never used Geographic Calculator, this hour-long introductory video offers an excellent starting point for learning the software. Covering the basic layout and touching on the most commonly used features and functions, this presentation walks through several simulated data conversion and transformation processes. If you would like a more hands-on learning experience, download an evaluation copy of Geographic Calculator and look for the Getting Started Guide further down the downloads page.
The winner of August’s Where in the World Geo-Challenge is Minoek Van Dorp from Van Dorp Engineering. Minoek will be receiving a copy of Global Mapper after his name was randomly selected from those who correctly identified the five geographic locations. Check out the answers here to see how well you did. This month, another copy of Global Mapper will be handed out to one lucky entrant.
Four down, two to go. So far in 2017, the Blue Marble User Conference (BMUC) has made stops in Calgary, the Washington DC area, Amsterdam, and San Diego. As we approach the last few months of the year, our attention turns to our home state of Maine and our final stop in Los Angeles. BMUC is an informal gathering of geospatial professionals representing a wide variety of industries who share a common interest in Blue Marble’s GIS and geodetic technology. Registration is now open for the final two events of 2017 and space is limited.
GIS in the Rockies | Denver, CO | September 20 – 21
INTERGEO | Berlin, Germany | September 26 – 28
Blue Marble User Conference | Portland, ME | September 29
Illinois GIS Association 2017 Annual Conference | Normal, IL | October 2 – 4
Pipeline Week | Houston, TX | October 3 – 4
Drone World Expo | San Jose, CA | October 3 – 4
Texas Municipal League Annual Conference & Exhibition | Houston, TX | October 3 – 6
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