Ben Buroker
Spring 2023
Geog 192
Dr. Kyrgier
Week 6:
Assign: Read and complete GTKWGIS chapter 7. Create a new blog entry with comments, notes, and questions on these readings. This is: <Your Name> Week 6
- Include a few-sentence description of an application based on ideas from chapter 7, using your own data or the Delaware Data (from Geog 191). This edition of the tutorial includes ideas under âAssignmentâ (p. 35 in the 5th edition of the tutorial).
Write-up:Â
The terminology of âwebâ and â3Dâ for 3d scenes/maps are important to remember. It is intuitive that another dimension of data will improve the visualization, analysis, and communication of a map. The two types of 3d scenes are photorealistic scenes and cartographic scenes. Photorealistic use photos to create features and cartographic uses 2d thematic mapping techniques to display features which may not be as visual. There are a multitude of ways you can represent the 3d images or data. I think the point cloud maps are cool because they provide some context to the lidar data that I have heard Dr. Rowley talk about quite a bit. Itâs cool to see what lidar data would look like when compiled into a 3d map. I got a little lost when they started talking about all the râs, AR, VR, XR, MR⌠itâs a lot.
Exercise 7.1:
I couldnât do 7.1 because this was the description it gave online on how to do it⌠This is the same problem from earlier in the book; where the instructions didnât include the ending of the paragraph. I fixed this for future chapters by using the hard copy of the book from the GIS lab, no the ebook.
Exercise 7.2:
Iâm having some issues with this exercise because it is asking me to choose âpopulation per square milesâ when it is not an option that I have in the drop down menus. I am instead using âpopulation densityâ whenever I am asked to do this. I feel like it is close to if not the same as pop. per sq mi.
This is my web scene after completing 6.2. The spike in Washington is weird and I donât know how to address itâŚ
Exercise 7.3:
Making the âfun parkâ was enjoyable and pretty straightforward. It made me feel like an architect but it was actually really useful to see how you can format a 3d scene to make it look âprettyâ or a certain way for a specific layout/project.
Exercise 7.4:
There is something going on with arc online when formatting the park walls towards the end of exercise 7.4. When you are asked to select the âheight fieldâ from a drop down box, there is one option with text and two blank options (pg 258). I believe some of my buildings donât have walls because of this glitch.
Exercise 7.5:
This section was difficult. I had no trouble adding the car, but for some reason once I tried to add a helicopter my map became overrun by helicopters of various sizes. I only completed all the steps to add two to my map⌠so I donât know why there are so many.
Exercise 7.6:
This exercise was cool. It was good to see all the measure tools. It was kind of frustrating trying to navigate the movement controls of the 3d map with my laptop though. It was hard to use my trackpad and the online wifi made the map a little glitchy I think. I would be interested in trying to do this sort of navigation on one of the wired PCâs and with a mouse.
Potential Application:Â
I can see a 3d scene being used to make a map of a location in Costa Rica from Dr. Rowleyâs Bahia Ballena project. I think if we had the basemap data or images we could add in the surrounding âstuffâ like trees, buildings, and walls and format/place them in the correct spots. I think a 3d scene like the ones I made above could be a good tool to help people at OWU who haven’t been to Bahia Ballena visualize the town and better understand what is going on. The adding and formatting of the 3d scenes was pretty straightforward, I just donât know what kind of data you need to begin the process.Â
