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representative fraction

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11y ago
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6mo ago

In a map scale where the numerator is always 1, it is called a verbal scale. This type of scale expresses the relationship between distance on the map and actual distance on the ground in words, such as "1 inch equals 10 miles."

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Q: In which map scale the numerator is always 1?
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Why is the inset map drawn to a larger scale than the other map?

Aha! Mapmakers have, by customary usage among the trade, been causing confusion on the relationship between scale and size. This question is the result of confusing people when discussing cartography. In this answer, I will explain why "Why is the inset map drawn to a larger scale than the other map?"results from a common cartographical misunderstanding, and set the record straight. Map scale is a fraction where the numerator is always 1. To put it more exactly, Map scale is the ratio of map distance to the same distance in the real landscape. Another way to think about scale is to consider how much a real land area would need to be shrunk down to fit in the map display you are using. Take Australia and shrink it by an enormous number (a scale of 1/enormous) to make it small enough to fit on a map display area. If you wanted to make a map the area of the city of Sydney that would fit on the same size map display, Sydney being smaller in land area, would need to be shrunk by less, (using a map scale of 1/less than enormous). The confusion about scale began when mapmakers, who noticed that the numerator of the scale was always 1, began to leave off saying the scale numerator and, as a shortcut, refer to the scale by using just the denominator value. This hasty habit resulted in describing a map where the scale denominator is very large as a large scale map. Having created a scaled map of Sydney, you create another map showing Australia with a dot at Sydney's location to use as in index. The scale ratio for the inset map has to be a smaller fraction to appear within the main map. Thus, smaller scale maps show larger areas of land on the same size map display. That's opposite from normal use of the word size as in shoe size, where bigger sizes cover bigger areas, just the opposite of map scales. The answer is that an index map is always drawn using a smaller scale than the scale used on the main map.


Why is the inset map drawn to a larger scale than other maps?

Aha! Mapmakers have, by customary usage among the trade, been causing confusion on the relationship between scale and size. This question is the result of confusing people when discussing cartography. In this answer, I will explain why "Why is the inset map drawn to a larger scale than the other map?"results from a common cartographical misunderstanding, and set the record straight. Map scale is a fraction where the numerator is always 1. To put it more exactly, Map scale is the ratio of map distance to the same distance in the real landscape. Another way to think about scale is to consider how much a real land area would need to be shrunk down to fit in the map display you are using. Take Australia and shrink it by an enormous number (a scale of 1/enormous) to make it small enough to fit on a map display area. If you wanted to make a map the area of the city of Sydney that would fit on the same size map display, Sydney being smaller in land area, would need to be shrunk by less, (using a map scale of 1/less than enormous). The confusion about scale began when mapmakers, who noticed that the numerator of the scale was always 1, began to leave off saying the scale numerator and, as a shortcut, refer to the scale by using just the denominator value. This hasty habit resulted in describing a map where the scale denominator is very large as a large scale map. Having created a scaled map of Sydney, you create another map showing Australia with a dot at Sydney's location to use as in index. The scale ratio for the inset map has to be a smaller fraction to appear within the main map. Thus, smaller scale maps show larger areas of land on the same size map display. That's opposite from normal use of the word size as in shoe size, where bigger sizes cover bigger areas, just the opposite of map scales. The answer is that an index map is always drawn using a smaller scale than the scale used on the main map.


What is the ratio of distance on a map to actual ground distance known as?

The scale. a map scale **************************************** A map with a scale of 1:50 000 (ratio of 1 in 50,000) means that 1 centimetre measured on the map represnts 50,000 centimetres on the ground.


A map scale at 175000 is considered to be what size scale?

Where does the series number on a map appear


What is 175000 scale on a map?

A map scale of 1:175 000 means that 1 centimetre on the map represent 175,000 centimetres on the ground.


What is a map scale at 175000 considered to be?

A map scale of 1:175,000 means that 1 centimetre on the map represents 175,000 centimetres on the ground.


What does the map scale represnt on the map?

The map scale represents the ratio of the map to the real thing. For example, a map scale might say that 1 inch equals 1 mile. That would mean that every inch on the map represents a mile for the real thing.


What scale is 175000?

A map scale of 1:175 000 means that 1 centimetre on the map represent 175,000 centimetres on the ground.


What size is a 1 in 50000 scale map?

The scale doesn't tell you anything about the size of a map. If it's a 1:50000 scale, then the only thing you know about the map is that a pair of points that are 1 inch apart on the map are 50,000 inches apart in the real world.


What is one adventage of a large scale map over a small scale map?

A large-scale map shows much more detail. For example - a 1:1000 map will show twice as much detail as a 1:2000 one. The higher the number - the smaller the scale is.


Is a 175000 scale map a large map?

The terms "small scale" and "large scale" are relative terms. Compared to a street map (typically 1:30000 or less) it is a large scale. Compared to a world map (1:10,000,000 or higher), it would be smaller. But because a 1:175000 does not show much detail (1 cm = 1.75 km), it would usually be considered a large scale map. It could be used for a metropolitan area highway map.


What is a map scaleeee?

An example of a map's scale: A map with a scale of 1:50 000 (one to fifty thousand) means that 1 centimetre measured on the map, represents 50,000 centimetres on the ground.