Table of Contents
Introduction
Geomatics Engineering, also known as Geospatial Engineering, is a specialized branch of engineering that focuses on the acquisition, analysis, interpretation, and management of spatial data related to the Earth’s surface. It combines principles from various disciplines, including surveying, remote sensing, geographic information systems (GIS), and global positioning systems (GPS), to address challenges related to mapping, spatial analysis, and geospatial data management. The Graduate Aptitude Test in Engineering (GATE) is an all-India examination conducted jointly by the Indian Institutes of Technology (IITs) and the Indian Institute of Science (IISc) on behalf of the National Coordination Board (NCB)-GATE, Department of Higher Education, Ministry of Education (MoE), Government of India.
The Geomatics Engineering GATE examination provides a platform for aspiring geomatics engineers to demonstrate their knowledge, technical expertise, and problem-solving skills in this rapidly growing field. By qualifying in GATE, candidates can gain admission to postgraduate programs (Masters and Doctoral) in esteemed institutions across India, including IITs, NITs, and other universities offering geomatics engineering courses.
Geomatics Engineering Subject Code: GE
Topic wise detailed syllabus for GATE 2023: Geomatics Engineering
Common – Engineering Mathematics and Basic Geomatics
Engineering Mathematics-
Surveying measurements, Accuracy, Precision, Most probable value, Errors and their adjustments, Regression analysis, Correlation coefficient, Least square adjustment, Statistical significant value, Chi square test.
Remote Sensing
Basic concept, Electromagnetic spectrum, Spectral signature, ResolutionsSpectral. Spatial, Temporal and Radiometric, Platforms and Sensors, Remote Sensing Data Products – PAN, Multispectral, Microwave, Thermal, Hyperspectral, Visual and digital interpretation methods
GNSS
Principle used, Components of GNSS, Data collection methods, DGPS, Errors in observations and corrections.
GIS
Introduction, Data Sources, Data Models and Data Structures, Algorithms, DBMS, Creation of Databases (spatial and non-spatial), Spatial analysis – Interpolation, Buffer, Overlay, Terrain Modeling and Network analysis.
Section I – Surveying and Mapping
Maps
Importance of maps to engineering projects, Types of maps, Scales and uses, Plotting accuracy, Map sheet numbering, Coordinate systems- Cartesian and geographical, map projections, map datum – MSL, Geoid, spheroid, WGS-84.
Land Surveying
Various Levels, Levelling methods, Compass, Theodolite and Total Station and their uses, Tachometer, Trigonometric levelling, Traversing, Triangulation and Trilateration.
Aerial Photogrammetry
Types of photographs, Flying height and scale, Relief (height) displacement, Stereoscopy, 3-D Model, Height determination using Parallax Bar, Digital Elevation Model (DEM), Slope.
Section II – Image Processing and Analysis
Data Quantization and Processing
Sampling and quantization theory, Principle of Linear System, Convolution, Continuous and Discrete Fourier Transform.
Digital Image Processing
Digital image characteristics: image histogram and scattergram and their significance, Variance-Covariance matrix, Correlation matrix and their significance.
Radiometric and Geometric Corrections
Registration and Resampling techniques.
Image Enhancement
Contrast Enhancement: Linear and Non-linear methods; Spatial Enhancement: Noise and Spatial filters
Image Transformation
Principal Component Analysis (PCA), Discriminant Analysis, Color transformations (RGB – IHS, CMYK), Indices (Ratios, NDVI, NDWI).
Image Segmentation and Classification
Simple techniques.
GATE Geomatics Engineering Result analysis
Gate Geomatics Engineeringg topper score by year
| Year | Papers | Marks | Score |
| 2022 | GATE Geomatics Engineering | 80 | 979 |
| 2021 | GATE Geomatics Engineering | 84 | 1000 |
GATE Geomatics Engineering Cut Off 2022
The 2022 GATE Geomatics Engineering Cut Off is listed below. The GATE 2022 Exam was administered by IIT Kharagpur, and the qualifying GATE GE Cutoff for the various categories is as follows.
| Category | Cut Off |
| General | 40.4 |
| OBC-NCL/EWS | 36.3 |
| SC/ST/PWD | 26.9 |
Number of students appearing for GATE Geomatics-Engineering Exam
| Year | Registered candidates | Candidates appeared | Qualified candidates |
| 2022 | 4325 | 2977 | 688 |
Previous Year Question Papers
Download previous year question papers from the official GATE website click here.
Video Links For Geomatics-Engineering
1.Introductory video on Geomatics Engineering
2.Verbal Aptitude Geomatics Engineering
3. Mathematics for Geomatics Engineering