LIMITATIONS OR DISADVANTAGES OF GIS:-
1. It
is difficult to integrate with traditional maps.
2. Generalization of
the data can lose important information.
3. GIS tools are very
expensive.
4. Shows the less
accuracy when used in broad scale.
5. Complex data
structure.
6. The GIS analysis
method is complex.
7. GIS
data requires very large storage space.
8. GIS technology
stores large data volume.
9. User difficulty.
10. Time consuming
process.
11. Data limitations.
Complex
technology: This is a common
problem for all new GIS users, requiring skills and knowledge to operate the
GIS system. In this situation new users face some real difficulties. The
"user-friendly" interfaces in GIS software have slowed down and some
systems still rely on knowledge of a complex command language.
Expensive: GIS systems
built with hardware and software, both are very expensive in the market. In
addition to hardware and software, there is a need to have a fully trained
human staff that is expensive to train and acquire. The cost of data inputs
will inevitably be higher when purchasing existing digital data, continuing
digitization, or setting up and maintaining data collection systems.
Complex
data structure:
The
data collected and stored in GIS systems is usually complex form. Due to
complexity of the data structure in GIS systems, it may be impossible to
analyze some spatial data leading to incomplete data. There
is still no easy way to find out if databases exist properly or what
accessibility rules are.
Data
limitations: This is a problem that GIS users in
both developed and developing countries have been facing for decades. Finding money to
collect new data and convert paper maps and data to digital format still
continues as a problem.In many cases there is the presence of digital
data but there are issues related to privacy, national security, etc.
Time
consuming: GIS is a time consuming tools. The
process of collecting, storing and analyzing data using GIS systems is lengthy.
Due to the enormity of the data available, it can take a long time to get
complete information about a particular set of data.
From data collection to data analysis and decision making is a very long
process using GIS system.
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