Category Archives: Class Notes

Concept and Applications of Digital Elevation Model (DEM)

A digital elevation model (DEM) is a digital model or 3D representation of a terrain’s surface — commonly for a planet (including Earth), moon, or asteroid — created from terrain elevation data. In most cases the term digital surface model represents the earth’s surface and includes … Continue reading

Posted in Class Notes, earth, GIS, Remote Sensing 101 | Leave a comment

Surveying : Dumpy Level- Importance and Use

What is Surveying? Knowing about the relative position of various objects, determination of distances between them, measurement of angles, measurement of height, determination of boundaries and relative heights of various points come under the purview of surveying. It is very … Continue reading

Posted in Class Notes, earth, Geography Practicals | Leave a comment

Hierarchical Levels of Planning Regions

  In multi level planning there is certain hierarchy of regions. WE can classify it in many ways depending on chosen criterion/criteria. One such classification on size criterion is here.  Macro Regions Macro region is naturally bigger. Macro region can … Continue reading

Posted in Class Notes, earth, Urban Studies | Leave a comment

Hierarchical Levels of Planning

The hierarchy of public activity planning and regional development planning is by and large based on a functional division of labor between the different levels. At any level types of plans physical planning shares more extensively similarities both in substantial … Continue reading

Posted in Class Notes, earth | Leave a comment