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xyHt August 2015 Issue
Click here to view the August 2015 issue of xyHt magazine
xyHt News Links: 07/31/15
LizardTech GeoExpress 9.5 Launch Announcement UAS Mapping 2015 Reno: CALL FOR POSTERS Trimble Unity Software for Water Utilities ILMF 2016 Call for Papers Topcon releases ScanMaster v3.05 software upgrade International LiDAR Mapping Forum Announces Call for Papers for 2016 Event Pickett Granted FAA Exemption Allowing Unmanned Aerial System Surveys Engineer Supply and Schonstedt Announces the...
GIS without GIS (Using Spreadsheets)
No, I haven’t gone mad, though some might disagree. I was inspired to write this after talking to a colleague who previously worked for a bank they were tasked with getting proximities to properties using Excel alone. This got me thinking over how much we crank up the GIS, when sometimes it is so much...
Survey Law
Seniority of Title and Forward Search I am often a part of litigation involving surveying services and research mistakes. (I must admit that, in excess of forty years of practice, I have made my share of mistakes performing record research.) I’ve observed five common research mistakes often made by surveyors. This article explains the common...
Surveying Statistics
The t Distribution, Part 1 In my previous article I discuss the normal distribution and how its properties can be used to isolate blunders in observations. Recall that the normal distribution is based on an infinite number of observations. However, in practice we never collect a population of data but rather a small sample from...
Signs of Change
Above: This image, created with Woolpert’s online QC tool eQAS, illustrates the ability to review sign data from multiple perspectives and provides lidar and image data at the location of each sign. One collect, multiple uses. A mobile mapping system (MMS) is a versatile tool capable of creating both GIS asset inventories and design-level mapping...
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