This course provides students with the knowledge and skills necessary to create maps and plats.  Topics of study include basic drafting principles, drawing set-up and scale, drawing commands, and orthographic projections. Co-requisite:  GEM L110.

The lab provides the opportunity for students to use computer-aided drafting software to complete project drawings under the direct supervision of a CAD professional. Co-requisite: GEM 1100

This course provides each student an introduction to measurement theory, instrumentation, measurement systems, measurement computations, data accuracy and precision.  The structure of the field of geomatics is explored.  Major components of the course are survey statistics, traverse computations, coordinate systems and datums, elevations, and mapping.  The use of computer-aided drawing software to produce maps and plats is required.  Prerequisite:  MTH 1115.  Co-requisite:  GEM L220.

This field laboratory provides the opportunity to use instrumentation to make the necessary measurements to produce computed products.  Focuses on the use of a field book to record measurements, the analysis of field measurements, and the use of survey instrumentation. Co-requisite: GEM 2200

The geomatics student is introduced to the basic principles of land tenure and the cadastre.  The major component of the course is the study and application of survey statute and related case law.  The concepts underlying the hierarchy of evidence, sequential versus simultaneous conveyances, adverse possession, riparian rights, land descriptions, and the U.S. Public Land Survey System are explored. Prerequisite:  GEM 2220 or approval of the Geomatics Program Coordinator.  Co-requisite:  GEM L309.

This laboratory explores the impact of land survey law on the practice of surveying and mapping in the state of Alabama.  Focuses on the practice of writing legal descriptions, the structure of the U.S. Public Land Survey System, and courthouse research. Co-requisite: GEM 3309.

The issues of boundary location and retracement are central to this course.  Focuses on Alabama survey history, the practice of surveying in Alabama, professional ethics, and the Standards of Practice for Surveying in Alabama.  Prerequisite:  GEM 3309.

The student gains practical field experience in an off-campus field boundary retracement project provided as a joint effort of Troy University, the Alabama Society of Professional Land Surveyors, and the Federal Bureau of Land Management.  Prerequisite:  GEM 3310.

Survey equipment calibration, survey astronomy, topographic mapping, control leveling, instrumentation error, and the propagation of error through survey calculations.  This course is the second course of a one-year study of survey fundamentals. Prerequisite:  GEM 2220.  Co-requisite:  GEM L330.

Field laboratory experience gaining astronomic observations for azimuth, using EDMI calibration baselines, conducting topographic mapping projects and control level loops, and testing for instrument errors.  The student is introduced to the field use of data collectors. Co-requisite: GEM 3330.

Introduction to metrical photogrammetry, interpretative photogrammetry, and remote sensing.  Focuses on the theory, instrumentation, and practical application of photogrammetry to the problem of mapping the earth’s surface.  Remote sensing concepts, principles, sensors, and specific satellite platforms are covered in the course.  Prerequisite:  MTH 1115.  Co-requisite:  GEM L366.

Use of computer software to view and enhance photographs, to form stereomodels, to create digital elevation models, and produce orthophotos.  The opportunity to use a softcopy photogrammetric workstation to generate map compilation products is provided to the student. Co-requisite: GEM 3366.

This laboratory provides the Geomatics/GIS student the opportunity to gain experience with digital image processing to use the vast inventory of digital images available for GIS projects. Prerequisites:  GEM 3366 and GEM L366.

The study of the underlying theory necessary to understand the use of the Global Positioning System (GPS).  Focuses on mathematical models of the earth, the earth’s gravity field, and the use of near-earth satellites to measure the earth’s surface.  Important concepts developed in this course include coordinate systems, datums, map projections, coordinate transformations, and GPS network design. Prerequisites:  MTH 1125, GEM 3379/L379.  Recommended completion of PHY 2253 or the equivalent.  Co-requisite:  GEM L370.

Practice performing geodetic computations using the ellipsoid of revolution as a reference surface.  A major laboratory component is static GPS network design and the use of dual-frequency survey-grade GPS equipment to extend survey control to the project site. Co-requisite: GEM 3370.

The laboratory provides the Geomatics/GIS student valuable hands-on field experience using instrumentation necessary to provide data for GIS Projects.  Data will be acquired using the digitizer, mapping grade GPS receivers, and survey grade GPS receivers in the real-time kinematic mode.  Prerequisites:  GEM 2220/L220.

The application of the principles of least squares adjustment to compute optimized solutions to problems involving redundant data and the theory of error propagation. Prerequisite:  MTH 1125 and MTH 2210 or equivalent.  Co-requisite:  GEM L379.

The use of the software program Matlab to solve data adjustment problems and to analyze spatial data.  Practical application of the theory of least squares adjustment and general error propagation to typical problems in geomatics. Co-requisite: GEM 3379.

This course is the first course in a one-year study of the fundamentals of Geographic Information Systems (GIS).  Topics of study are digital mapping, data capture, data conversion, data structures, and spatial data concepts.  Prerequisite:  MTH 1112 or equivalent and IS 2241, or consent of instructor.

This course provides a study of common applications of GIS with an emphasis on land information systems and land management.  The course also provides further study in database design, digital base map analysis and testing, and spatial analysis.  Prerequisite:  GEM 3390 or consent of the instructor.

Explores the theoretical foundations of route and construction surveying.  Course topics are coordinate geometry (COGO), horizontal and vertical curve models, spirals, alignments, stationing, cross sections, areas, volumes, and route design elements.  Prerequisites:  GEM 1100 or the equivalent, and GEM 3330.  Co-requisite:  GEM L405.

This field laboratory applies the principles of route and construction surveying, the use of civil design software, and the use of data collectors for practical design and field layout. Co-requisite: GEM 4405.

Explores the concepts and problems associated with the design and construction of   subdivisions and related infrastructure. Prerequisites:  GEM 1100 or the equivalent, and GEM 4409.  Co-requisite:  GEM L407.

This computer laboratory provides the student the opportunity to design and create those drawings necessary for local government approval of the typical subdivision. Co-requisite: GEM 4407.

Explores several models used to compute runoff estimates based on particular rainfall events.  Course topics are the hydrologic cycle, rainfall intensity, runoff models, hydrographs, storm sewer design, culvert design, open channel flows, watershed delineation, water detention and retention structures, and onsite sewage disposal systems.  Prerequisite:  GEM 1100 or the equivalent, MTH 1115.  Co-requisite:  GEM L409.  Recommended completion of PHY 2253 or the equivalent.

Compute peak runoff estimates, and open channel designs.  The hydrology components of Microstation and AutoCAD are explored with respect to solving and presenting peak runoff solutions.  A design project involving the use of large-scale topographic maps will be assigned. Co-requisite: GEM 4409.

The geomatics student may register for GEM 4495 after being hired by an eligible employer participating in the Cooperative Work Experience Program.  After completion of the semester, the student is expected to submit a written report to the Geomatics Program Coordinator detailing the work experience and present a brief oral report to his/her peers in the following semester in a scheduled geomatics class.  Prerequisites:  Completion of GEM 2220, maintenance of a 2.0 grade point average, and approval of the Geomatics Program Coordinator.

The geomatics student may register for GEM 4496 for the second semester of cooperative work experience.  The student must be in residence at Troy University for a minimum of one semester after completion of GEM 4495 before leaving for cooperative work experience under GEM 4496.  Prerequisites:  Completion of GEM 4495 and approval of the Geomatics Program Coordinator.

This course offers the geomatics/GIS student with senior standing the opportunity to apply the fundamental principles and concepts learned in the study of geomatics/GIS to a particular problem or project.  The student will state the problem, design an experiment to test a hypothesis concerning the problem statement, take the measurements, array the data, analyze the data, state conclusions, and place the study into a final report.  Prerequisite:  IS 2241 and senior standing or consent of the geomatics program coordinator.