Up next in 10
Ata Aöf Harita Bilgisi ve Coğrafi Bilgi Sistemleri 2025-2026 Final Soruları
https://lolonolo.com/2026/09/28/ata-aof-harita-bilgisi-ve-cografi-bilgi-sistemleri-2025-2026-final-sorulari/
Ata Aöf Harita Bilgisi ve Coğrafi Bilgi Sistemleri 2025-2026 Final Soruları | Ölçek Hesapları | Yön ve Koordinat | Projeksiyonlar | Yer Şekillerinin Gösterimi | CBS Analizleri
Show More Show Less View Video Transcript
0:00
Welcome to the LoloNolo platform. In
0:02
this lesson, we are taking an in-depth
0:04
look at 2025-2026 map science and
0:06
geographic information systems topics,
0:08
past exam questions, and detailed
0:09
explanations. I am your host, and in
0:12
this masterclass, we will solve
0:13
everything step-by-step, from the
0:15
fundamental rules of cartography to
0:17
those complex geographic analyses. Our
0:19
goal is very clear. Instead of
0:21
memorizing information by rote, you
0:22
should grasp the actual logic behind it
0:24
. If you are ready, let's make a strong
0:26
entry into the fascinating world of
0:27
maps. Today's agenda is quite intense
0:30
and focused entirely on your success in
0:32
the final exam. To list it quickly, we
0:35
will go over the history of cartography
0:37
, scale and area calculations,
0:39
coordinates and projections,
0:40
representation of landforms, geographic
0:43
information systems, and finally,
0:45
life-saving final exam tips. Let’s
0:47
get started. Module 1, history of
0:49
cartography. Every great discipline has
0:52
an origin, doesn't it? To be successful
0:54
in the exam, it is absolutely essential
0:55
that you know the historical
0:56
foundations of cartography and the key
0:58
names that shaped its course. First, we
1:00
reach back to ancient times. Here, we
1:02
encounter Ptolemy. He is etched in
1:04
history as the individual who laid the
1:06
foundation for cartography, which is
1:07
the science of mapping. As we move
1:09
toward the Middle Ages, we see the
1:10
truly immense contributions of Islamic
1:12
earth scientists. Undoubtedly, the most
1:14
valuable work among these is the famous
1:16
world map prepared by Al-Idrisi in 1154
1:18
with the possibilities of that era, and
1:20
of course, the Ottoman period. When it
1:23
comes to maritime cartography, which is
1:24
a guaranteed exam topic, the first
1:26
masterpiece that comes to mind is Piri
1:28
Reis's Kitab-ı Bahriye. Encode these
1:29
three periods and their corresponding
1:31
works well in your mind because the
1:32
probability of them appearing is very
1:34
high. We have arrived at the second
1:35
module. Scale and area calculations.
1:38
Well, let's take a deep dive into this
1:40
topic. This is the mathematical section
1:42
where students usually sweat the most,
1:44
but once you grasp the logic, it will
1:46
bring you certain points. You know that
1:48
scale is the ratio of the distance on
1:49
the map to the real distance. Here is
1:51
the confusing part. A large denominator
1:53
actually means a small scale. Why, you
1:55
ask? Think of it this way. If you
1:57
divide a giant cake into 1 million
1:58
pieces, the slice that falls onto your
2:00
plate will remain tiny. Right? That is
2:02
exactly what happens with small-scale
2:04
maps. You see a much wider area, but
2:05
naturally, the detail decreases
2:07
significantly. Conversely, a small
2:09
denominator means a large scale. It
2:11
allows you to see a much narrower area
2:12
with much more detail, as if you were
2:14
looking through a magnifying glass.
2:16
Please do not forget this inverse
2:17
proportion. Now we are coming to the
2:19
most crucial point here. Do you know
2:21
what the most common fatal mistake is
2:23
in exams? Forgetting to square the
2:25
length ratio when calculating area. For
2:28
example, the 0.0625 figure on the
2:30
screen did not appear by coincidence.
2:32
If you have a 1/25,000 scale map, 1 cm
2:35
on the map means 250 meters in reality.
2:39
So far, so good. However, if you are
2:41
asked for an area, that is when you
2:43
must take its square. 1 cm² actually
2:46
corresponds to exactly 0.0625 km² in
2:49
reality. What if your scale were 1/
2:51
2,000? 1 cm would make 2 km. And when
2:55
you take the square, 1 cm² of map area
2:57
would be equal to a massive 4 km² area
3:00
in reality. Take the square. Etch this
3:03
rule into your mind. 3rd module.
3:05
Coordinates and projections. We are
3:08
moving away from those numbers on the
3:10
map and transitioning into concepts of
3:11
spatial orientation. As we all know,
3:13
when referencing the Earth, we accept
3:15
the prime meridian passing through
3:17
Greenwich as 0 degrees longitude and
3:19
the equator as 0 degrees latitude. But
3:21
what exactly do we mean when we say "
3:23
north"? It might be surprising, but the
3:26
geographic north shown on a map and the
3:28
magnetic north that the compass needle
3:30
stubbornly points to do not align
3:32
perfectly. We call the angular
3:34
difference between these two "magnetic
3:35
declination." And, of course, there is
3:38
our ancient guide in the night sky. The
3:39
North Star. Shining at the very tip of
3:42
the Ursa Minor constellation, this
3:43
special star always points to the North
3:45
Pole. Make sure to keep these two
3:47
orientation dynamics in mind. So, how
3:49
do we take that huge round Earth and
3:51
transfer it smoothly onto a flat piece
3:52
of paper? This is where the real
3:54
problem arises. To be honest, it is
3:56
physically impossible to keep
3:58
everything perfect while transferring a
4:00
spherical surface onto a plane. So, you
4:02
have to sacrifice something somewhere.
4:04
We basically use two different
4:05
approaches. The first is equal-area, or
4:07
as they are known in English literature
4:09
, equivalent projections. As the name
4:11
implies, they preserve area sizes
4:13
perfectly, but they severely distort
4:15
shapes and angles on the map. The
4:17
second is conformal, also known as
4:19
isogonal projections. These, in turn,
4:21
preserve angles perfectly. They are
4:22
great for navigation. But this time,
4:24
they severely distort the areas of
4:25
countries, for example, making
4:27
Greenland look much more massive than
4:29
it really is. You cannot have both at
4:31
the same time. Therefore, you must make
4:33
a choice based on your purpose. Module
4:35
4: Representation of landforms. How do
4:38
we make massive three-dimensional
4:40
mountains, deep valleys, and
4:41
depressions understandable on a flat,
4:43
two-dimensional map? This is where
4:45
contour lines, or what we know as
4:47
isohypses, first appear on the scene.
4:49
These are imaginary lines connecting
4:51
points at the same elevation. Never
4:53
forget this. If these lines get very
4:55
close to each other on the map, it
4:57
means there is a steep cliff or a very
4:59
serious slope there. If they move apart
5:01
, the terrain is flattening out. Of
5:02
course, let's not forget other
5:03
iso-lines, such as isotherms for equal
5:05
temperature and isobars for equal
5:06
pressure. Another method is the
5:08
hatching method, which shows the slope
5:10
with short lines under the assumption
5:12
that sunlight comes at a 45-degree
5:14
angle. However, it is a quite outdated
5:16
technique today because it does not
5:17
give us a precise elevation value.
5:19
Finally, hypsographic curves are also
5:21
frequently used to profile the terrain
5:23
and show elevation tiers. And now,
5:25
let's come to the legend. It is simply
5:27
the section that explains what the
5:29
symbols, those interesting icons, and
5:30
colors on the map exactly mean. It is
5:32
the map's own dictionary. It is the key
5:34
that deciphers that coded language. If
5:35
it comes up on the exam, do not miss it
5:37
. This is one of the easiest points you
5:39
will put in your pocket. 5. module.
5:41
Geographic Information Systems, or as
5:43
we all use it by its short name, GIS.
5:46
Now, the really interesting thing about
5:47
this topic is this. GIS is completely
5:49
different from a standard traditional
5:51
information system. Why, you ask?
5:53
Because its database is directly
5:55
supported by maps. Within GIS, data is
5:57
stored in two main models, and the
5:59
difference between these two is
6:00
constantly asked in exams. The vector
6:02
data model expresses the world more
6:04
with mathematical shapes. That is, it
6:06
uses points, lines, and polygons. The
6:10
raster data model perceives the world
6:11
just like a digital photo you take with
6:13
your phone. It divides it into cells,
6:15
or pixels. By the way, make sure to add
6:18
this to your exam notes. When
6:20
compressing and storing raster data on
6:22
a computer, special encoding methods
6:24
called chain, run-length, block, and
6:26
quadtree are used. GIS doesn't just
6:29
store massive amounts of data. It also
6:31
performs wonderful network analyses.
6:33
Imagine there is an emergency. You need
6:35
to find the hospital or fire station
6:36
that can be reached the fastest. That
6:38
is where the closest facility analysis
6:40
comes in. Another important analysis is
6:42
the location allocation analysis. It
6:45
determines which school or facility,
6:46
based on capacity, specific demand
6:48
points—for instance, students in a
6:49
neighborhood—will be connected to. If
6:51
you want to calculate the most suitable
6:53
, shortest, or least expensive route
6:55
between two points, that is when route
6:57
analysis, or routing, comes into play.
7:00
Besides network analyses, there are
7:02
also surface analyses, which are quite
7:04
critical. Kernel density analysis is
7:06
one of them. It calculates the density
7:08
per unit area by placing a conical
7:10
surface around each data point. For
7:12
example, it is a perfect tool to find
7:14
exactly where crime rates or
7:15
populations are clustered in a city.
7:18
Another fascinating concept is aspect.
7:21
Aspect is simply the orientation of
7:22
slopes relative to the sun, and believe
7:24
me, it profoundly affects physical
7:26
geography. The sunshine duration
7:28
between a mountain's sun-facing side
7:29
and its shadowed side, how long snow
7:31
stays on the ground, and even the upper
7:33
limit of agriculture are entirely
7:35
determined by this aspect. 6. And our
7:38
final module is final exam tips and
7:40
strategy. Okay. After covering all
7:42
these heavy topics in detail, it is
7:44
time to distill the knowledge we have
7:46
gained and focus directly on that final
7:48
day. I want you to carve this rule into
7:51
your minds. In area questions, never,
7:53
ever forget to take the square of that
7:55
length ratio. It will definitely come
7:57
up on the exam. Know the names of
7:59
contour lines very well, especially
8:00
that the slope increases when contour
8:02
lines get closer to each other. Put the
8:04
differences between network analysis
8:05
types in your pocket. Which situation
8:07
requires the closest facility, and
8:08
which one requires routing? And of
8:10
course, learning that
8:11
point-versus-pixel distinction between
8:13
vector and raster data models will earn
8:15
you points very easily. When you
8:17
combine all these cornerstones, getting
8:19
a great grade is inevitable. Maps don't
8:21
just reflect the world. They also
8:23
determine how we understand it and how
8:25
we will shape it in the future. To
8:28
solve the past exam questions for this
8:30
course and year in a practice exam
8:32
format, address your knowledge gaps,
8:34
and test yourself thoroughly, you can
8:36
visit lolonolo.com or click the link in
8:38
the description section below the video
8:40
. Take very good care of yourselves,
8:42
and good luck to you all on your exams.
Jobs & Education