The Rise of the European Emperor

In the absence of modern photoelectric measuring equipment, surveying and mapping was a very troublesome and complicated matter in ancient times. It not only required a lot of manual measurement, but also required calculation of trigonometric functions according to angles.

Therefore, surveying and mapping in this era requires not only a large number of manual measurements, but also a large number of calculations. The main calculation is to calculate the distance and height by measuring the length of the shadow of the wooden pole under the sunlight and the angle of the sunlight according to the principle of geometric equal proportions, and by using the Pythagorean theorem. To this end, Marin also asked people to write a trigonometric function comparison table, which lists the values ​​of trigonometric functions at different angles in detail. In this way, when surveying and calculating, it doesn't need to be so troublesome, just look up the table.

However, this is all mapping of closer distances. If you encounter a long distance, Marin directly gave the method of measuring the latitude and longitude, as long as you use a sextant to measure the latitude and longitude of the two places in detail. Then, based on the two values ​​of the equatorial circumference of 40078 kilometers and the meridian length of 40009 kilometers, the approximate distance between the two places can be obtained by using simple geometric calculations based on the difference in latitude and longitude, and then looking up the table. Although there are errors, they are also within the acceptable range.

In addition, in addition to the need for a large number of surveyors and mappers in the army, the civilian population also needs a large number of surveyors and mappers. For example, when constructing a project, a lot of surveying and mapping must be applied. Therefore, Beihai has a great demand for surveyors and mappers.

Therefore, in order to train surveyors and mappers, Marin simply established the School of Geology at Aurich University to train comprehensive geological talents. As for the training of surveying and mapping personnel, it is handed over to the surveying and mapping major of the School of Geology. However, there are two training programs for surveying and mapping majors in the School of Geology. One is to recruit college students to specialize in geological research and civil map surveying and mapping. Another training plan is to help the army train committee members. All soldiers with a good foundation in geometry and a good sense of direction can be sent to the Institute of Geology for training. After training, surveying and mapping soldiers will be paid according to the treatment of grassroots officers. The living conditions and various benefits are also much better than ordinary soldiers

Moreover, these surveying and mapping soldiers do not need to go home to farm after they leave the army. Because of their skills, they will be assigned to land management departments in various places, and they will be responsible for land measurement and verification. At any rate, they can be regarded as a good iron rice bowl.

Because it is necessary to make a sand table to restore the topography, those surveying and mapping soldiers not only need to learn geometric calculation methods, but also need to learn painting methods. The most basic is sketching. Because, as surveyors and mappers, when drawing maps and topographic maps in other countries, they need to use sketches to quickly draw the characteristics of the local mountains and rivers, so as to provide reference for officers to make sand tables. After all, if you want to map the topographical characteristics on the territory of other countries, you need to make a quick decision. If it is delayed for a long time, it is easy to be discovered. At the same time, because there are too many mountains, rivers and rivers, if you paint slowly like an oil painting, it is easy to make mistakes.

Therefore, every surveying and mapping soldier is not only a master of geometry, but also needs to be good at sketching. In this day and age, it is definitely a talent.

And Dürer, the great painter recruited by Marin, happened to be the king of sketches. Therefore, the unlucky painter Dürer, while he was busy learning science for Da Vinci,

What the hell is it that I need to work as a sketch teacher in the newly established School of Geology to teach students how to draw sketches.

It's hard to say, Dürer was originally a noble and great painter, and he was the guest of many great nobles. He is not only proficient in painting, but also has deep research on sculpture, alchemy, mathematics, mechanics, literature, anatomy and architecture, and has considerable attainments in geometry.

Marin originally arranged for him to study with Da Vinci, hoping that he would become Da Vinci's second. After all, this product is originally a low-profile version of Da Vinci, with comprehensive capabilities and versatility. Moreover, he is much younger than Da Vinci and has great potential.

Currently, this guy is leading a research team to study single-cylinder diesel engines. However, Marin feels that even if the single-cylinder diesel engine is well studied, there is not enough diesel. Therefore, it is not as good as the steam engine. Coincidentally, this guy is also proficient in geometry, so he is very suitable as a geometry teacher majoring in surveying and mapping. Then, Dürer had a cup of tea. He was appointed by Marin as the geometry teacher and sketch teacher of the surveying and mapping major of the Geological College, and he is also the only teacher of the surveying and mapping major of the Geological College.

Dürer was very unhappy, after all, he was currently following his idol Leonardo da Vinci, although he was struggling, he could learn a lot. But Marin could get used to him and only gave him two options: one was to take the initiative to teach in the Geology Institute; the other was to be knocked unconscious and taken away, and forced to teach in the Geology Institute

Faced with such unreasonable demands, how can Dürer say that the Institute of Geology is also in Aurich, and he can often meet with idols and ask for advice.

Da Vinci was also very dissatisfied with losing Dürer, a coolie who was the best assistant. After all, Dürer was a very smart person, a rare genius in this era who could match his brain waves. With Dürer as his assistant, many things, as long as he starts, Dürer can understand his meaning and finish them. After all, Dürer is known as the German Da Vinci, and he is very similar to Da Vinci. Both of them are painters with similar hobbies, they are almost the same series. The only difference is that Da Vinci's skills are more profound, and Dürer's heat is much worse, just a low-end version of Da Vinci.

But also because the two are so similar, Da Vinci also valued Dürer very much, and wanted to impart all the knowledge he had learned throughout his life so that he could inherit his mantle.

However, Marin wanted to leave Dürer, and Da Vinci was helpless. Others don't know, but he knows Marin's hooliganism, and if he doesn't agree with him, he will be knocked unconscious and taken away. That's how he was kidnapped from Milan to East Frisia in the first place. Therefore, he knew very well that even if he wanted to stop him, he couldn't stop Marin, the "devil", from determined to take Dürer away.

On the day of parting, Dürer held Da Vinci's hand tightly and choked speechlessly.

"Teacher, take care." Dürer was full of tears, reluctant to part.

"Alas!" Da Vinci didn't say anything, because he knew that he was powerless to change the decision made by the hooligan Ma.

Marin on one side couldn't see it anymore, and said dissatisfiedly:

"It's not that we can't meet again, we're all in the same city, and I'm worried that we won't see each other"

Marin didn't mention being in the same university, because the School of Geology is not located on the main campus of Aurich University, but in the fringe area of ​​the city. For one thing, there was no space available on the main campus. It turns out that the major of surveying and mapping is a confidential course, which requires the use of a lot of confidential equipment such as telescopes and sextants. Therefore, it is not suitable to appear in the open main campus. Therefore, the Institute of Geology was placed on the edge of the city, next to a barracks, and the security was very strict.

"I wish I could always follow the teacher around and accept his teachings," Dürer said very literaryly.

Marin's teeth were sore when he heard it, and he waved impatiently:

"Okay, don't be sour. How about this, you go to the Geology Institute to teach during the day, and you can come back to be Ada's assistant after the class, as long as you are not afraid of the hard work of running back and forth"

"I'm not afraid of hardship." Before Marin finished speaking, Dürer made his statement.

For a science madman, being able to study and engage in scientific research is the happiest thing. Even, in order to study with Leonardo da Vinci, Dürer lived in the university dormitory for a long time and rarely went home.

Of course, it is also a fact that Dürer and his wife Agnès have a bad relationship. The marriage between Dürer and his wife Agnès was decided by his father. His wife came from another family of handicraft owners, and his father-in-law and his father were old friends. But the relationship between the couple is very weak, neither good nor bad.

Originally, in history, Dürer did not return home for a long time, and his wife did not cheat. Therefore, the couple remained childless and had no children. What's more, Agnès didn't like Dürer's art very much, nor did he like Dürer's artist friends. Because Agnes, who was born as the daughter of a handicraft owner, values ​​money and wealth more, and Dürer's thoughts are not on the same channel.

But in this time and space, Dürer was forcibly recruited by Marin, and Agnes also followed Dürer to the North Sea. Because he valued Dürer, after Dürer became Da Vinci's assistant coach, Marin directly gave him a noble title of Jazz, which made Dürer's utilitarian wife, Agnès, value it very much. Then, the relationship between husband and wife improved a lot, and they even had children. The actual situation is that Agnès took the initiative to push back her indifferent husband Dürer

However, Dürer was an art lunatic and technical geek after all. Therefore, even though he and his wife had a daughter, Dürer still valued the opportunity to study with Da Vinci more than the family.

Marin squeezed him so much, and he was so happy with it. Of course, he mainly likes to study with Da Vinci, rather than being a teacher in some geological college. But if he didn't go to the Institute of Geology, someone would knock him unconscious and take him to the Institute of Geology forcibly. Therefore, even if he is dissatisfied, he can only do so.

And Marin asked him to go to Da Vinci to work overtime and stay up late after finishing the class in the Geology Institute. He didn't have any dissatisfaction. He was really a fanatic technical geek.

"What an unlucky child." Da Vinci shook his head, sympathizing with Dürer's experience. However, why isn't he like this? In Beihai country, Da Vinci was used almost like 10 people by himself. He is a professor of the entire Department of Science at the University of Aurich, and he is the only one who guides students in majors such as mechanics, fundamentals of physics, and chemistry. Although the first batch of graduates have already graduated, those who are still following him to gain experience cannot take the lead. Therefore, he is the most tired person. Dürer, on the other hand, is just beginning to follow his old path. In short, their mentors and apprentices have sold their lives to Marin in this life. Fortunately, what they do is science that they love very much. Although Marin squeezed the two of them desperately, the treatment he gave was really not low. Moreover, they also learned a lot of scientific knowledge from Marin, and they also benefited a lot. Otherwise, their masters and apprentices are all arrogant and peerless geniuses, how could they be willing to be squeezed by Marin like this