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Disadvantage of Raster data

  1. Difficult to represent: It is difficult to represent linear features such as accurate network linkage are difficult to establish.
  2. Vector Form: Most input data is in vector form, therefore data must undergo vector-to-raster conversion.
  3. Do not Conform: Most output maps do not conform to high quality cartographic needs.
  4. Large size: Larger file size.     
  5. Edit difficult: Difficult to edit.
  6. Difficult to build relation: Difficult to build topographic relationship.
  7. Inefficient projection: Inefficient projection transformation.
  8. Hard to Represent: Hard to represent objects less than cell size.
  9. Generates Huge Data: Finer resolution generates huge data.
  10. Discrete Feature: Highly generalized representation of discrete features.
  11. Limited interactivity: Limited interactivity 
  12. More primitive: More primitive analysis algorithm.

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