Tuesday, July 27, 2010

Lab 5 - Spatial Analysis

1. Iowa contains 99 counties.
2. As of 2001, the county with the largest number of people in Georgia is Fulton.
3. Washington has 39 cities that have a population greater than 15,000 people.
4. There are 3,851.14 miles of interstate that are crossed by the outline of Los Angeles County.
5. There are 1,367,445.9 acres of urban area that lie within the boundaries of Los Angeles County.

6. 522 zip codes that have their centroid in Los Angeles County.
7.
8.There are 5 Native American Indian Reservations that lie within 75 miles of Thurso. Here are their names and approximate mileage from Thurso:
Doncaster Indian Reserve- 17 mi
Kitigan Zibi Indian Reserve- 15 mi
Kahnawake Indian Reserve- 14 mi
Kanesatake Indian Reserve- 16 mi
Akwesane Indian Reserve- 15 mi

Monday, July 19, 2010

Percentage of Some Other Race Population in Counties, 2000



In my map “Percentage of Some Other Race Population in Counties, 2000”, it displays counties throughout the U.S. and where Some Other Race populations were distributed in the year 2000. By looking at the map, it seems clear that this “Some Other Race” is referring to Hispanics. With the exception of the upper Northwest part of the U.S., almost all of this race was concentrated by or near the border to Mexico, which would make one assume that Hispanics are the actual race being identified in this map. I am very surprised how there were very few Hispanics to the East of Texas. I assumed that a decent amount of Hispanics would have made their way to the East Coast as of 2000. Living in Southern California all my life, I reside among a high percentage of Hispanics, so I naively assumed that this race was more widely distributed throughout the United States. Another part of the map that caught my eye are the states of Alaska and Hawaii (located in the boxes of the bottom). They had practically zero Hispanics living in these states.

Percentage of Asian Population in Counties, 2000



In my map “Percentage of Asian Population in Counties, 2000”, it displays counties throughout the U.S. and where their Asian populations were distributed in the year 2000. With the exception of California and New York, there are not many parts of the mainland U.S. where there are high concentrations of Asians. This is most likely because the first entrances Asians had into the United States were located at Ellis and Angel Islands, located by San Francisco and New York. When compared to Blacks, Asians were more widely distributed throughout almost all parts of the U.S., not only concentrated in sections of the country. It also seems like there were more Blacks than Asians in the U.S. in 2000. The most interesting part of the map is seeing how dark Hawaii is, which means it possess a high and concentrated Asian population.

Percentage of Black Population in Counties, 2000




In my map “Percentage of Black Population in Counties, 2000”, it displays counties throughout the U.S. and where their black populations were distributed in the year 2000. It is clear by looking at the map where Blacks were residing 10 years ago. Most of them lived in the Southeast part of the U.S as well as along the East Coast up until the New England Area. This is not surprising news to me because I have been aware that states in this section of the U.S., especially Louisiana, Florida, Georgia, are highly populated with Blacks. And usually, where a certain demogarphic live, others will seek these areas out and live there as well, creating dense concentration of this race at various locations. This goes along with the thought that certain groups of people prefer to live by each other, and in this case, it is the black population. One aspect of the map that I found interesting was the lack of Blacks living in California. Living in Los Angeles for the last 4 years, I would have assumed the Black population was much higher than it says on the map. This could be because the map data was from the year 2000.

Friday, July 9, 2010

ArcMap Tutorial




In my opinion, ArcMap is the first legitimate GIS system I have operated on in this class. I know our Mapquest project is technically considered GIS, however it seems rather elementary compared to a sophisticated program like ArcMap. ArcMap offers so many options and is an extremely complex program. It takes a long time to truly understand the program and utilize it to its capability, but once this is done ArcMap can do wonders.
The biggest problem I had with ArcMap is remembering the steps. The tutorial took me through same steps more than once, yet by the second time I still did not have full understanding of it. Not until the last few pages of the tutorial did I somewhat memorize how to insert a legend and bar scale. If I had trouble with simple tasks like that then GIS is a lot more difficult than I had previously imagined.
Obviously, ArcMap is an amazing GIS program. The options you have to describe a simple map with are incredible. After completing the tutorial I was amazed on what kind of work I had just done. To show the noise barrier, ranges, scales, and other aspects of the map that I did was truly interesting. I never thought that a GIS system like this had the capability to show some of the stuff the ArcMap showed me.
I cannot imagine how hard it must have been for someone to master a program like ArcMap. I spent a good three hours (which seemed like 10) doing the tutorial and I have just stepped into the shallow waters of this GIS system. To fully comprehend the program must takes years. However, once I started to get the hang of things and was adding text boxes and charts to my project it was truly satisfying. Hopefully before this class is over I will have the ability to work with GIS programs like this and apply it to everyday life.

Wednesday, July 7, 2010

Conformal Projections



Although these two map projections are both Conformal projections, they are different. The Gall Stereographic and the Mercator projections both display the Earth, however, their scales are off. The first noticeable difference that alerts the viewer is the size of the grids. The Gall map's parcels are much more consistent that the Mercator's parcels. Both map's parcels are smaller near the equator and larger at the poles, but the Mercator projection's change in sizes is much more drastic, resulting in Antartica looking larger than all the other conitnents combined, which is obviously false. These changes in parcel sizes make the measured distances from Washington, D.C. and Kabul, Afghanistan different.The Mercator and Gall maps are not intended to display measurements accurately. Instead, they are desinged to display shapes correctly. Because of this, distances displayed on the map are not precise beacuse of the distortions on the map.

Equal Area Projections



When looking at the Equal Area Projections, we notice that the Sinusoidal and Cylindraical Equal Area maps have different distances from Washington, D.C. and Kabul by a difference of about 3,000 miles! This difference occurs because equal area projections are not desinged to measure distance accurately. As one may tell by the name, Equal Area Projections preserve area on a map, not so much distance. This is apparent by the large difference between my two maps.

Equidistant Projections



The Equidistant projections above are desingned to preserve distance accurately. Therefore, the maps should have similar distances from Washington, D.C. to Kabul. However, there is a 3,000 mile difference. The Equidistant Conic map is an example of a solid Equidistant projection, but the Plate Carree map does not exactly do what the map is intended for. Because the parcels are all the same size, distances that are not directly near the equator are slightly off. This is why the Plate Carree's distance from Washington to Kabul varies from the Equidistant Conics distance.

Wednesday, June 30, 2010

Lab 2a


View Sports Arenas in Southern California in a larger map

Neogeography truly gives the map maker freedom to express what he wants without strict guidlines and rules to abide by. I personally enjoy this kind of map because I can construct and unique and detailed map without meeting a series of criteria. My map above is an example of my neogeography.
A problem of neography that I imagine will cause much confusion is the fact that there are so many versions of maps that it could be difficult for a stranger to interpret a unique map. Neography teaches viewers to expect the unexpected because of the lack of rules and guidelines. The map maker has the potential to design his map in a variety of ways, and this might confuse of potential viewer.

Wednesday, June 23, 2010

Lab 1b

1. Beverly Hills
2. Canoga Park, Van Nuys, Burbank, Topanga, Hollywood, Venice, Inglewood
3. 1995
4. North American Datum of 1927 and 1983
5. 1:24,000
6.
a) 1,200m
b) 1.71mi
c) 2.64in
d) 12.5cm
7. The contour interval is 20 feet
8.
a) 34,4' 28.95" N x 118, 26' 20.4" W
b) 34,0' 28" N x 118,30' 0" W
c) 34,6' 7.2" N x 118,24' 47.8" W
9.
a) 575ft, 179.7m
b) 140ft, 43.75m
c) Aprox. 650ft, 203.1m
10. The UTM zone is 11
11. 34, 1' 18"
12. 1,000 meters squared
13.


14. 14 degrees
15. It flows North to South
16.

Old Europe

This map was taken from a Spanish art website found by Google Images. It is an old map of Europe and how it used to look. The map shows rivers and mountains, as well as distinct borders between land masses by using different colors and shades. It also labels various features and places. It is very interesting to view a map that was created back in time. Not only is it intriguing to see what an area used to look like but also the different styles and mapping techniques used at this time. Though I could not find the exact date of when the map was created, it is obviously either extremely old or simply wrong because Europe does not look exactly like this in contemporary maps.

My Hometown in LA

The map above was copied from maps.google.com. It shows the area of Los Angeles where UCLA is located, as well as my current residence (marked by the red dot in the left of the map). The upper right portion of the map is none other than the UCLA campus, however, only a portion of it it is displayed. For this map I used the "traffic" option which highights the traffic status. The yellow/orange color shown on the 405 freeway tell the map reader that there is medium traffic. One thing I noticed about the streets of Westwood is that there is no apparent pattern between them. Usually, cities use some form of the "grid system," which are straight streets with 90 degree angles at all the intersections. This is not visible in Westwood, with the exception of the far left of the map. Now I realize why Westwood is such a hard area to give directions to someone.

Villa Park, CA -- My Upbringing


This map was extracted from maps.google.com. It it a simple map, displaying only streets and bodies of water. The red mark in the middle labeled "A" is my parents home, where I lived my whole life up until leaving for UCLA 3 years ago. It is very interesting looking at my hometown on a map like this because it is actually the first time I have done so. I know the town of Villa Park like the back of my hand, yet seeing the streets laid out on a map looked a little strange. The most interesting part of the map is the bodies of water located at the bottom. I am well aware of the larger water mass but have never seen the smaller body of water adjacent to it. I am assuming it is either blcoked and cannot be seen from the street or is no longer there.