Layer: Dumpster_Pads (ID:2)

View In: Map Viewer

Name: Dumpster_Pads

Display Field: Notes

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Objective: The main objective in mapping the dumpster pads as polygons was to document any space around the dumpsters that are meant to fully contain the dumpsters. This is significant because if the garbage truck decided to move the dumpster after it drops it back off, the dumpster itself may slightly move in location, but it would still have to be placed back in the vicinity of the dumpster pad. So, while the dumpster point can shift, the dumpster pad area is constant and will always remain in the same location.Equipment: To map the dumpster pads, I used an Emlid RS2 Multi GNSS Receiver along with a 2 meter pole. I also used a tablet with Arc Field Maps installed on it to actually record the data. Mapping Techniques: The averaged vertices method was used to map most of the dumpster pads. In this method, a point was averaged at each of the corners of the dumpster pads and then a polygon was drawn connecting all the averaged points. For a few of the dumpster pads, a streaming technique was used. This streaming technique took a point measurement every 1 meter and then connected all the points together as a polygon. The streaming technique was used for dumpster pads that were not very rectangular in shape.Base Station: The base station that would've been used for differential correction was the MTSU CORS Station located on the campus of Montana State University. Since ArcGIS Field Maps was used instead of Emlid Flow in this project, differential correction did not need to be performed.Editing: Topological analysis was done on the dumpster pads to make sure all the dumpster points were contained within the boundaries of the polygons of the dumpster pads. Aside from that, during the editing process it was also ensured that all dumpster pads were properly connected if the average vertices technique was used, and there was a check to make sure none of the streamed lines overlapped one another for each of the polygons representing dumpster pads.Estimated Accuracy: The estimated horizontal accuracy from the Dumpster Pad layer specifically is 0.33 meters with a range from 0.12 - 1.39 meters all with 68% confidence. The overall data accuracy for this project is as follows: 0% in the 0 - 5 cm range, 32.02% in the 5 - 15 cm range, 43.86% in the 15 - 30 cm range, 16.23% in the 30 - 50 cm range, 5.26% in the 0.5 - 1 m range, 2.19% in the 1 - 2 m range, 0.44% in the 2 - 5 m range, and 0% in the >5 m range.Spatial Reference Information: The Geographic Coordinate System of WGS 1984 was used to map this data. This corresponds to the datum of D WGS 1984 that was used for the data. The projection of the data itself is in the WGS 1984 Web Mercator (auxiliary sphere) projected coordinate system.Fields: The Dumpster Pads feature has two descriptive fields: Ground_Material and Notes. The Ground_Material field indicates the type of material the dumpster pad is made of. It includes domains of: gravel, asphalt, concrete, dirt, and grass. The other field, Notes, was used to describe any abnormalities relating to the dumpster pads and their locations. It includes notable observations such as one of the dumpster pads having alarm sensors that limited the accessibility around it.

Copyright Text: Name: Madeline Minutelli Contact Information: z81n964@msu.montana.edu Other Parties Involved: MSU Planning Department

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Type ID Field:

Fields:

OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
esrignss_avg_h_rms (type: esriFieldTypeDouble, alias: Average horizontal accuracy (m), SQL Type: sqlTypeOther, nullable: true, editable: true)
esrignss_avg_v_rms (type: esriFieldTypeDouble, alias: Average vertical accuracy (m), SQL Type: sqlTypeOther, nullable: true, editable: true)
esrignss_worst_h_rms (type: esriFieldTypeDouble, alias: Worst horizontal accuracy (m), SQL Type: sqlTypeOther, nullable: true, editable: true)
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esrignss_manual_locations (type: esriFieldTypeInteger, alias: Number of manual locations, SQL Type: sqlTypeOther, nullable: true, editable: true)
Notes (type: esriFieldTypeString, alias: Notes, SQL Type: sqlTypeOther, length: 256, nullable: true, editable: true)
Ground_Material (type: esriFieldTypeString, alias: Ground_Material, SQL Type: sqlTypeOther, length: 256, nullable: true, editable: true)
GlobalID (type: esriFieldTypeGlobalID, alias: GlobalID, SQL Type: sqlTypeOther, length: 38, nullable: false, editable: false)
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

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Last Edit Date: 11/21/2024 8:05:13 PM

Schema Last Edit Date: 11/21/2024 8:05:13 PM

Data Last Edit Date: 11/21/2024 8:05:13 PM

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