CompassData and SIS Exhibiting Together : Join Spatial Information Solutions and CompassData for Spring ASPRS March 19-23

Visit our booth and see how to improve accuracy with latest software tools from SIS and Ground Control from CompassData

March 14, 2012 (Starkville, MS) Exhibiting for ASPRS begins Wednesday, March 21st. Mapping software firm Spatial Information Solutions (SIS) will be exhibiting alongside survey and ground control firm CompassData in Sacramento, CA.

CompassData collects survey data used for control and checkpoints and SIS provides software which uses surveyed checkpoints to verify data accuracy. When you visit booth 223 during exhibiting hours, youll see the latest SIS software releases: Topo Analyst and LiDAR Testing Extension: as well as the companys flagship product, Accuracy Analyst. You can also visit the worlds largest commercially available archive of ground control, with more than 18,000 points; and find out more about the comprehensive Field Services and independent QA/QC offered by CompassData.

For anyone looking at improving the accuracy and quality of their data products, our booth should provide a nice one-stop shop for control, checkpoints, and verification solutions! said Chuck OHara, President of SIS.

OHara and Mike Tully of Aerial Services, Inc. will be presenting When Accuracy Counts, Error/Accuracy Assessment and Photogrammetry in a Special Session, Wednesday 3:30-5:00 pm, in Room 305 of the Sacramento Convention Center. OHara will also be presenting Data Life Cycle Approaches to LiDAR Data Verification during the Accuracy/Error Assessment # 5: LiDAR, Friday 9:00-10:30 am, in Room 310oftheSacramento Convention Center.

If you are interested in a booth appointment, we are happy to accommodate your request and show you SIS software and CompassDatas amazing surveyed checkpoint archive or a demo of tools and technologies. For appointments, email Leslie OHara, or call 662-323-0202 or email Hayden Howard, or call 303-627-4058.

Created with photogrammetrists and mapping professionals in mind, the software from SIS is designed to ensure data accuracy and quality in GIS digital maps. Surveyed checkpoints are an integral part of ensuring mapping accuracy by verifying the specific location points on the surface of the earth. SIS technology automates geodata accuracy and quality verification, verifies LiDAR and raster elevation data accuracy, and provides other QA/QC tools.

For more information, visit to learn more about Accuracy Analyst and Topo Analyst, or contact Leslie OHara at or phone her at 662-323-0202 ex. 11. Following purchase, Leslie will provide information on how to choose three free GCPs. Visit CompassDatas archive files at


About CompassData

CompassData is the worlds foremost supplier of GPS-based ground control survey data, maintaining the largest commercially available archive of Ground Control Points (GCP). Continuously adding to its more than 18,000 GCP, CompassData provides accurate geospatial data and collection services for clients in a partnership model. CompassData is the home of the Control Freaks, famous for their worldwide data collection capability and their mission to map the world. A Woman-Owned Small Business, registered on the CCR, CompassData delivers value by providing accurate geospatial data and collection services on time and within budget. Call 303-627-4058 or visit

About Spatial Information Solutions, Inc.

Spatial Information Solutions, Inc. (SIS) provides software-based map accuracy and content enhancement solutions that enable its customers to map with confidence. For more information, visit