Geography 291: Geospatial Analysis with Desktop GIS

Same issue as before. Its not allowing me to insert my map photos properly, its either not there or incredibly blurry, so I have just included a pdf of the document I was working on for this content.

Pois Week 5

Zip Code – All zip codes within Delaware, OH however roads with no zip codes were manually populated by their location.

Recorded Document – datasets contain points that are recorded documents in Delaware County. It was made to help find missing documents in the County.

School District – This set contains all school districts in Delaware County and was created for the Auditor’s parcel records.

Map Sheet – Contains the map sheet of Delaware County. 

Farm Lot – All farm lots in the Virginia Military and US military for the Survey Districts. 

Township – To identify the geographic boundaries of each township. 

Street Centerline – The center of private and public roads. Used for 911 emergency response, appraisal mapping, accident reports, disaster management. 

Annexation – All Delaware County annexations and conforming boundaries from 1853.

Condo – Dataset consists of condominiums polygons in Delaware County. 

Subdivision – All subdivisions and condoms recorded in Delaware County Recorder’s office.

Survey – The survey points are a shapefile of a point coverage that represents all surveys of land. All surveys were scanned and saved as a pdf file.

Dedicated ROW – all dedicated road right of way polygons in Delaware County. 

Tax Districts – Data set has all tax districts in Delaware County, Ohio.

GPS – identifies all GPS monuments set between 1991 and 1997 the Coordinates are in Universal Transverse Mercator Northing and Easting. 

Original Township – all original boundaries of the townships before the tax district changed . 

Address Points (DXF) – The State of Ohio Location Based Response Systems (LBRS) address points show a spatially accurate placement of address in a parcel. 

Precinct – Polygons that determine each voting boundary. 

Hydrology – all major waterways in Delaware County. 

Building Outline 2021 – all building outlines of structures. 

Parcel – all parcels in Delaware County.

PLSS – all polygons depicting the boundaries of 2 public military  land survey districts.

Street Centerlines (DXF) – The State of Ohio LBRS street centerlines are the center [pavement of all private and public roads. 

Address Point – The State of Ohio LBRS address points data are spatially accurate representation of all certified addresses. 

2022 Leaf-On Imagery (SID file) – includes 2021 Imagery (SID file), Township, Original Township, and Recorded Document. 

Delaware County Contours – 2018 2ft contours for the county is a geodatabase format. 

Delaware County E911 Data – The layer can reverse geocode a set of coordinates to determine the closest valid address for 911 agencies. 

Address Points – layer is intended to support appraisal mapping, and 911 Emergency Response. 

Street Centerlines –  layer is intended to support appraisal mapping, and 911 Emergency Response. 

2021 Imagery (SID File) – contains 2022 Leaf-On-Imagery (SID file), zip code, recorded document, dedicated ROW.

Zip Code: The data set has all zip codes in the Delaware County area. The data set is updated as needed. Zip codes are also cross referenced with the Census Bureau’’s zip code. 

Recorded Document: The data set are points that represent recorded documents. Recorded documents include vacations, subdivisions, centerline surveys. Surveys. Annexation, and miscellaneous documents in Delaware county. It was created to create some kind of order to help locate miscellaneous documents. 

School District: The data set has all School districts in Delaware county. This is updated as needed. 

Map Sheet: The dataset consists of all map sheets in Delaware County

Farm Lot: Data set has all the farm lots in the US Military and the Virginia Military survey districts in Delaware County. This set was made to facilitate identifying all farm lots and their boundaries 

Township: The data set has 19 different townships that make up Delaware County. Updated on a as needed basis. Created to help identify geographic boundaries of each township. 

Street Centerline: Ohio Location based response system depicts center of pavement on streets within Delaware County. This was created from field observations. 

Annexation: Dataset has Delaware county’s annexations and boundaries from 1853 till now. Updated as needed. 

Condo: Data set has all condominium polygons in Delaware County. 

Subdivision: This dataset has all subdivisions and condos within Delaware County. Is updated daily. 

Survey: Points in this dataset represent surveys of land in Delaware County. Dataset updated daily 

Dedicated Row: Data consists of all lines that are right-of-way within Delaware County. Was created through updates through the county’s parcel data. 

Tax district: Dataset consists of all tax districts within Delaware County. Updated as needed. 

GPS: Data shows all GPS monuments that were established in 1991 and 1997. Updated as needed. 

Original Township: Data shows the original boundaries of townships in Delaware county before the boundary shapes were changed. 

Address Points: The Ohio location based response system data gives an accurate placement of addresses in Delaware County. 

Precinct: Data consists of voting precincts in Delaware county. Updated as needed and maintained by the Delaware County Auditor’s GIS Office. 

Hydrology: Set contains all of Delaware County’s major waterways and updated on a as needed basis. 

Building Outline 2021: Set has all building outlines of structures in Delaware County. 

Parcel: Consists of all cadastral parcel lines in Delaware County. 

PLSS: Set contains all Public land surveys systems in the US Military and the Virginia Military Surveys Districts of Delaware county. 

2022 Leaf-On-Imagery: 2022 Imagery 12 in Resolution??

Delaware County Contours: 2018 Two Foot contours. 

Delaware County E911 data: Ohio’s location based response system data set is an accurate representation of all certified addresses in Delaware county. Intended to support mapping, 911 emergency response, accident reporting. Geocoding, and disaster management. 

 

Delaware County Data:

Zipcode: Contains all of the zip codes that are represeted in Delaware County. Data based on Census Bureau zip code files, and is updated on an as needed basis.

Recorded Document: Contains points for recorded documents. Documents include: vacations, subdivisions, centerline surverys, surveys, annexations, and miscellaneous documents within the county.

School District: Contains all of the boundaries for all of the school districts represented in Delware County. Updated as needed, and published on a monthly basis.

Map Sheet: Consists of all map sheets in Delaware County. All individual map sheets correlate to a numeric value to help distinguish between certain areas.

Farm Lot: Contains al of the farm lots in Delaware County. Data is based on US Military and Virginia Military surveys.

• Kind of confused on why the whole county is broken into farm lots, but i’m thinking it was how it was originally divied up during westward expansion. Not sure, though.

Township: Contains all 19 townships that make up Delaware County. Updated on an as-needed basis and published monthly.

Street Centerline: Represents the centerlines of all public and private roads within Delaware County. Updated on a daily basis as it is intended to support 911 emergency responses, accident reporting, disaster management, and more.

Annexation: Shows all of the annexations and conforming boundaries from 1853 to present day. Updated on an as-needed basis and published monthly.

Condo: Contains all condominium complexes in Delaware county. Based on data from the Delaware County Recorders Office.

Subdivision: Consists of all subdivisions and condominium complexes in Delaware County. Updated daily and published Monthly. A subdivision is a parcel of land that is divided into two or more pieces for sale.

Survey: Represents the many surveys of land within Delaware County. Updated daily and published monthly.

• Not sure what the surveys represent, but there is a lot of data in this shapefile.

Dedicated ROW: Represents all Right-of-Way lines within Delaware County. Updated daily and published Monthly.

• Not sure how this layer really works or what each section represents, but it looks interesting!

Tax district: Contains all tax districts within Delaware County. Data is based on the Auditor’s Real Estate Office for the county.

GPS: Identifies GPS monuments that were establushed in the 1990’s. Updated as-needed and published monthly.

• Again, not sure what these monuments are or what their GIS implications are, but looks interesting nonetheless.

Original Township: Consists of the original township boundaries in Delaware County. Unaffected boundaries before tax district changes.

Address Points-DXF: Contains points for all addresses in Delaware County. Maintined by the county Auditor’s GIS Office. Points represent the center of each building “as best as possible”.

Precinct: Represents all voting precints in Delaware County and is based on data from the County Board of Elections. Both updated and published as needed.

Hydrology: Consists of all major waterways in Delaware County. Data was enhanced in 2018 with the use of LIDAR data.

• LIDAR is light detection and ranging.

Building Outline 2021: Shows all building outlines in Delaware County. So much data in this layer that you need to zoom in to view the outlines.

Parcel: Represents all cadastral parcel lines within the county. Data maintained by the County Auditor’s Computer Aided Mass Appraisal system.

PLSS: Consists of all Public Land survey polygonsin the county. Data is also based on Military survey data from US and Virginia Militaries.

Street Centerlines- DXF: Another representation of street centerlines for the LBRS. The LBRS is The State of Ohio Location Based Response System.

Address Point: Spatially accurate depiction of certified addresses in the county. Used to determine the closest valid address from a set of coordinated for 911 responses.

2022 Leaf-On Imagery: Imagery from 2022 12in Resolution.

Delaware County Contours: 2018 Two Foot Contours for the county.

Building Outlines – DXF: Another representation of building outlines in the county.

• DXF stands for Drawing Exchange Format, which is a “legacy format originating in the CAD industry to exchange 2D vector data” as defined from the arcgis website.

Delaware County E911 Data: Another representation of accurate certified addresses in the county used for 911 responses.

ArcGIS:

Here’s my final map with all three instructed layers along with a scale bar, legend, north arrow, and title. Unfortunately, my screenshot is horrible quality. Also, I had to unzip all of the files to be able to drag them into ArcGIS.

 

P.S. Thanks, other logan for the idea of creating a whole layout rather than just a screenshot with the visible layers.

 

Chapter 5: went smooth for the most part. Making the ModelBuilder ribbon was cool. I think I did the Python coding correctly.  

In chapter 6 I ran into an issue with publishing features and preparing the map for collection. My content did not have the TreeInventory feature layer. 

Chapter 7: I made some mistakes in the Geocoding process. I could not add the files to the map. I think there was also some confusion with me and labeling that I had messed up in the last section. 

Chapter 8: Was a cool way to make 3D maps. However, I think I made some errors while browsing and couldn’t find the correct file. I’m not sure which chapter but I did have an issue with an error coming back after running a tool. It said the function couldn’t be performed because it was already added. 

 

 

Chapter 10: I had a slight issue but just skipped the steps and moved on. In exercise 10b step 10 it wanted us to go to the position tab however there was no placement drop down or in the next step there was no stack drop down. Also in exercise 10c I could not figure out how to insert the Max Advertised Broadband speed map frame into the layout tab. It kept making another separate tab. 

Week five work went smoother than week four but there were still some chapters I just couldn’t really get to do what they were supposed to. Over all though I feel like I was more comfortable with the software this time around so I felt a lot better about the exercises that went well. I felt like I could navigate everything pretty easily and even though there were still some funky hiccups I think I understand things better now.

Towards the beginning of the week four work, I didn’t have technical things figured out yet so I was unable to get very far with a few of the exercises but I figured some things out and it went a lot smother in the later chapters of this week.  

These ones went well

These ones did not

These chapters were fairly self explanatory, I only got stuck a few times but was able to skip and navigate the rest of the chapters easily. My problem is that I am inpatient and I don’t like to read everything on the screen so I miss things. The most interesting thing in these chapters for me was doing the South Sudan coding. I think it was cool to input South Suden is equal to the years or whatever the directions said. It was cool that the map and software could do that. Again, I took definitions because some of the words in the chapters were hard to understand without knowing the definitions. 

Defintions:

Task: [software] A set of preconfigured steps that guide users through a sequential workflow in ArcGIS software. 

Definition query:[ESRI software] In ArcMap, a request that examines feature or tabular attributes based on user-selected criteria and displays only those features or records that satisfy the criteria.

Query expression: [programming] A type of expression that evaluates to a Boolean (true or false) value, that is typically used to select those rows in a table in which the expression evaluates to true.

ModelBuilder:[ESRI software] The interface used to build and edit geoprocessing models in ArcGIS.

Model:[data models] An abstraction of reality used to represent objects, processes, or events.

Script: [ESRI software] In ArcView 3.x, one of the five types of documents that can be contained within a project file

Command line:[computing] A string of text that acts as a command, typed at an interface prompt.

Geocoding:[geocoding] A GIS operation that converts a street address or other location information into spatial data that can be displayed as a feature on a map.

Adress Locator: [geocoding] A dataset in ArcGIS software that stores the address attributes, associated indexes, and rules that define the process for translating nonspatial descriptions of places, such as street addresses, into spatial data that can be displayed as features on a map.

Overlay: [analysis/geoprocessing] A spatial operation in which two or more maps or layers registered to a common coordinate system are superimposed, either digitally or on a transparent material, for the purpose of showing the relationships between features that occupy the same geographic space.

Buffer:[spatial analysis] A specified zone around a map feature or features, measured in units of distance or time. 

Dissolve: [ESRI software] A geoprocessing command that removes boundaries between adjacent polygons that have the same value for a specified attribute.

Clip: [ESRI software] A command that extracts features from one feature class that reside entirely within a boundary defined by features in another feature class.

Temporal Data: [data structures] Data that specifically refers to times or dates. 

Operator: [mathematics] The symbolic representation of a process or operation performed against one or more operands in an expression, such as “+” (plus, or addition) and “>” (greater than). When evaluated, operators return a value as their result. 

Cell:[graphics (computing)] The smallest unit of information in raster data, usually square in shape

Discrete data: [data models] Data that represents phenomena with distinct boundaries.

Continuous Data: [data models] Data such as elevation or temperature that varies without discrete steps

Map algebra: [data analysis] A language that defines a syntax for combining map themes by applying mathematical operations and analytical functions to create new map themes. 

Aspect: [analysis/geoprocessing] The compass direction that a topographic slope faces, usually measured in degrees from north

Hillshade:[map design] Shadows drawn on a map to simulate the effect of the sun’s rays over the varied terrain of the land.

Azimuth: [analysis/geoprocessing] A compass direction. 

Altitude: [coordinate systems] The height or vertical elevation of a point above a reference surface

Layout: [ESRI software] In ArcGIS software, a presentation document incorporating maps, charts, tables, text, and images.

Label: ESRI software] In ArcGIS, descriptive text, usually based on one or more feature attributes

Label class:[ESRI software] In ArcGIS software, a category of labels that represents features with the same labeling properties.

Map extent: [cartography] The limit of the geographic area shown on a map, usually defined by a rectangle.

Scale bar: [symbology] A map element used to graphically represent the scale of a map.