[ASK] Minimum Dimension of a Map

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SUMMARY

The discussion centers on determining the appropriate scale for a map representing an area with a maximum distance of 200 km between two locations. The correct scale is established as 1 m : 210 km, which translates to 1 m : 210,000 m. This scale ensures that there is adequate space on the map, preventing the two locations from being positioned at the very edges. The reasoning emphasizes the importance of leaving buffer space around the mapped locations.

PREREQUISITES
  • Understanding of map scales and their calculations
  • Basic knowledge of metric conversions (km to m)
  • Familiarity with geographical representation techniques
  • Concept of spatial buffer in mapping
NEXT STEPS
  • Research how to calculate map scales for different distances
  • Learn about the implications of scale choices in cartography
  • Explore the use of GIS tools for mapping and spatial analysis
  • Investigate best practices for creating user-friendly maps
USEFUL FOR

This discussion is beneficial for cartographers, geography students, and anyone involved in creating or interpreting maps, particularly those focused on scale accuracy and spatial representation.

Monoxdifly
MHB
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The farthest distance of two places in an area is 200 km. If someone wants to make a map of that area on a 1 m × 1 m paper, the possible scale to make it is ...
a. 1 : 210
b. 1 : 2.100
c. 1 : 21.000
d. 1 : 210.000

Can you help? The 200 and 210 makes me think that the distance on map won't be an integer.
 
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Monoxdifly said:
The farthest distance of two places in an area is 200 km. If someone wants to make a map of that area on a 1 m × 1 m paper, the possible scale to make it is ...
a. 1 : 210
b. 1 : 2.100
c. 1 : 21.000
d. 1 : 210.000

Can you help? The 200 and 210 makes me think that the distance on map won't be an integer.
The reason for using 210 rather than 200 is that you would not want the two places to be at the very edges of the map. You want to leave a bit of space on each side of the two places on the map. So you should choose a scale such that 1 m on the map represents 210 km on the ground. The scale of the map should therefore be 1 m : 210 km. Putting everything in terms of metres, that is 1 m : 210,000 m.
 
Ah, I see. Thanks, Opalg!
 

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