GIS Specialist Interview Questions and Answers

Topology tools in GIS are used to perform spatial analysis and ensure data integrity.

• Start by creating a new topology in your GIS software.

• Add feature classes or layers to the topology.

• Define rules and relationships between features.

• Run validation checks to identify errors or inconsistencies.

• Fix any errors found and update the topology.

• Perform spatial analysis operations using the validated topology.

• Examples: Ensuring polygons do not overlap, lines do not intersect, or points...read more

Autocad data can be extracted into a GIS database by converting the data into a compatible format and importing it into the GIS software.

• Convert Autocad data into a compatible format such as shapefile or geodatabase.

• Use GIS software like ArcGIS or QGIS to import the converted data.

• Ensure that the spatial reference systems match between Autocad and GIS.

• Verify the data integrity and accuracy after importing into the GIS database.

UTM stands for Universal Transverse Mercator, a coordinate system used for mapping and navigation.

• UTM divides the world into 60 zones, each 6 degrees of longitude wide.

• Coordinates in UTM are expressed in meters, providing a more accurate representation of location.

• UTM coordinates consist of a zone number, hemisphere (N or S), easting, and northing.

• Example: UTM coordinates for New York City are 18T 583773mE 4506703mN.