Map and Map Interpretation 2542402 Lesson 4 Symbol

Map and Map Interpretation 2542402 Lesson 4 : Symbol in map Jittrapon Soontorn Social Studies Program

Symbol in map • Map is the tool to communicate data by illustrating as a symbol. • Symbol represents the situations, phenomena or activities that happen there. • Symbol in the map are universal language.

Symbol in map • Data which can be converted into the symbol in the map are Spatial data. • Each type of symbol use in the map are having their unique characteristics.

Meaning of symbol in map • The represent of the language meaning. • Can clearly describing meaning such as, • Symbol of village, school, hospital • Map do not show every spatial data in place like the photo • (Aerial photo or Satellite data)

Spatial Data • Data that relating to places or areas dimension such as, • Number of population in Nakhon Pathom Province. • Physical landscape of Chiang Mai Province. • Types of plantation in Suphanburi Province.

Qualitative Data • Describing data about the phenomena in one place. • Do not relates to statistical numbers. • When showing in the map, data can not be compare. • Ex. Etnics village in Nakhon Pathom Province. Can showing only where they live.

Qualitative Data Water Paddy Field

Quantitative Data • Statistic data or numeric data • Can be illustrate the data of each place • Ex. Numbers of schools in Nakhon Pathom Province. Paddy field area in Suphanburi Province.

Quantitative Data • When data are related to numeric. • These type of data can be calculating in mathematic such as, • Ratio • Ex. Ration between teacher. and students in the school.

Quantitative Data Length of the road

Type of symbol in map • Symbol that we use in map can divide to 3 types • Point • Line • Polygon

Type of symbol in map • Point Symbol • Some of spatial data showing on the location of the activities or phenomena • Such as, Location of schools, place of traffic accident. • Then we can use point symbol to represent x, y data (co-ordinate) of them.

Type of symbol in map • Line Symbol • Some of spatial data can be show the origin or beginning point and the ending of the activities or phenomena • Such as, Road, Railway. • Then we can use Line symbol to represent x, y data (co-ordinate) of the origin and ending.

Type of symbol in map • Polygon Symbol • Some of spatial data can be show the area of the activities or phenomena • Such as, country boundary, paddy field. • Then we can use Polygon symbol to represent these kind of spatial data

Symbol in map Type Point Line Polygon Location / / / Distance / / Area /