Podcast
Questions and Answers
What is the primary purpose of property boundaries?
What is the primary purpose of property boundaries?
- They depict physical features.
- They define the extent of individual land parcels. (correct)
- They provide access rights information.
- They indicate land ownership.
Which of the following best describes unique parcel identifiers?
Which of the following best describes unique parcel identifiers?
- They serve as a general description of the land.
- They may include alphanumeric codes assigned to land parcels. (correct)
- They can represent multiple land parcels simultaneously.
- They are optional codes for land parcels.
Which classification is NOT included in land use classification?
Which classification is NOT included in land use classification?
- Agricultural
- Historical (correct)
- Industrial
- Recreational
What are easements primarily used for?
What are easements primarily used for?
Which physical feature would NOT be depicted in cadastral mapping?
Which physical feature would NOT be depicted in cadastral mapping?
What is a critical component of a unique parcel identifier?
What is a critical component of a unique parcel identifier?
What does a cadastral overlay typically include?
What does a cadastral overlay typically include?
What information is NOT typically included in land ownership data?
What information is NOT typically included in land ownership data?
What form does the unique holding identification code take?
What form does the unique holding identification code take?
Which of the following describes thematic maps?
Which of the following describes thematic maps?
What is the total number of digits in a unique holding identification code?
What is the total number of digits in a unique holding identification code?
Which type of data does a Land Information System primarily deal with?
Which type of data does a Land Information System primarily deal with?
Which codes are categorized as numeric in the unique holding identification code?
Which codes are categorized as numeric in the unique holding identification code?
What is a key characteristic of parcel identifiers?
What is a key characteristic of parcel identifiers?
Which of the following is NOT a requirement for parcel identifiers?
Which of the following is NOT a requirement for parcel identifiers?
What is the most common parcel numbering system mentioned?
What is the most common parcel numbering system mentioned?
Which element is NOT part of the Unique Parcel Identifier Number for urban areas?
Which element is NOT part of the Unique Parcel Identifier Number for urban areas?
What does accessibility in parcel identification systems refer to?
What does accessibility in parcel identification systems refer to?
Which type of map is the City Base Map most closely related to?
Which type of map is the City Base Map most closely related to?
Which option defines a characteristic of a flexible parcel identification system?
Which option defines a characteristic of a flexible parcel identification system?
What is a disadvantage of using a complex parcel identifier?
What is a disadvantage of using a complex parcel identifier?
What kind of information does non-spatial data provide?
What kind of information does non-spatial data provide?
Which spatial data source provides the highest accuracy for cadastral surveying?
Which spatial data source provides the highest accuracy for cadastral surveying?
What is a significant shortcoming of using aerial photographs as a spatial data source?
What is a significant shortcoming of using aerial photographs as a spatial data source?
Which statement accurately describes satellite images as a spatial data source?
Which statement accurately describes satellite images as a spatial data source?
Which spatial data source is noted for needing extensive manpower and time?
Which spatial data source is noted for needing extensive manpower and time?
What are the categories of non-spatial data sources?
What are the categories of non-spatial data sources?
Which scale would be more suitable for detailed planning of land use?
Which scale would be more suitable for detailed planning of land use?
Which layer would NOT typically be included in a cadastral map?
Which layer would NOT typically be included in a cadastral map?
What is one of the challenges associated with converting existing hard copy images into digital formats?
What is one of the challenges associated with converting existing hard copy images into digital formats?
What is the primary purpose of cadastral maps?
What is the primary purpose of cadastral maps?
What is the recommended orientation for maps?
What is the recommended orientation for maps?
Where should the map title be placed?
Where should the map title be placed?
What is the purpose of the scale bar on a map?
What is the purpose of the scale bar on a map?
Why is having a uniform map sheet size important?
Why is having a uniform map sheet size important?
What should be included in the map legend?
What should be included in the map legend?
What is recommended regarding parcel numbering systems?
What is recommended regarding parcel numbering systems?
How should index maps be organized in relation to the main map?
How should index maps be organized in relation to the main map?
What must be done to ensure the north arrow is clear on the map?
What must be done to ensure the north arrow is clear on the map?
Flashcards
Property Boundaries
Property Boundaries
Lines or boundaries defining the extent of individual land parcels.
Parcel Identifiers
Parcel Identifiers
Unique codes assigned to each piece of land for identification and reference.
Land Ownership Information
Land Ownership Information
Information about the legal owners of land parcels, including their names and title.
Land Use Classification
Land Use Classification
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Easements
Easements
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Physical Features
Physical Features
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Survey Control Points
Survey Control Points
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Scale and Legend
Scale and Legend
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Geodetic control network
Geodetic control network
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Base map layer
Base map layer
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Cadastral overlays
Cadastral overlays
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Unique Parcel Identifier
Unique Parcel Identifier
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Parcel data files
Parcel data files
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Additional overlays
Additional overlays
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UPIN: Unique Parcel Identifier Number
UPIN: Unique Parcel Identifier Number
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Uniqueness of UPIN
Uniqueness of UPIN
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Easily Maintainable
Easily Maintainable
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Flexible
Flexible
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Unique Parcel Identifier (UPIN)
Unique Parcel Identifier (UPIN)
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Simple
Simple
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Permanent
Permanent
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Accessible
Accessible
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Hierarchical Sequential Numbering
Hierarchical Sequential Numbering
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Coordinate Locator Numbering
Coordinate Locator Numbering
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Reduction to scale
Reduction to scale
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Thematic maps
Thematic maps
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Unique Parcel Identifier Number (UPIN)
Unique Parcel Identifier Number (UPIN)
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Land Information System (LIS)
Land Information System (LIS)
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Spatial Data
Spatial Data
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Non-Spatial Data
Non-Spatial Data
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Ground Measurement by Total Station
Ground Measurement by Total Station
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Ground Measurement by GPS
Ground Measurement by GPS
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Comparison of Geospatial Data Sources
Comparison of Geospatial Data Sources
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What are Cadastral maps?
What are Cadastral maps?
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What are some sources of data for Cadastral maps?
What are some sources of data for Cadastral maps?
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What are common layers found on a Cadastral map?
What are common layers found on a Cadastral map?
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What are the typical scales used for Cadastral maps?
What are the typical scales used for Cadastral maps?
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What are the costs associated with creating a digital Cadastral map?
What are the costs associated with creating a digital Cadastral map?
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Map Title Placement
Map Title Placement
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Map Orientation
Map Orientation
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Map Extent & Scale
Map Extent & Scale
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Map Sheet Size
Map Sheet Size
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North Arrow
North Arrow
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Scale Bar
Scale Bar
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Map Legend
Map Legend
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Logos in Map Legend
Logos in Map Legend
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Study Notes
Cadastral Maps - Overview
- Cadastral maps are technical records detailing the extent, value, and ownership of land.
- These maps often include property boundaries, land ownership details, land use, parcel identifiers, and pertinent spatial data.
- Their primary purpose is to create a comprehensive land ownership and use record for legal, administrative, and planning needs.
Cadastral Map Objectives
- Students will gain an understanding of various spatial data sources used for cadastral mapping.
- Students will identify cadastral map content and layers.
- Students will learn to recognize attributes within cadastral maps.
- Students will learn cadastral map functionality.
Cadastral Map Details
- Cadastral maps generally focus on property location, size and shape, and geospatial relationships affecting property value.
- These maps typically do not require topographical relief.
Cadastral Map Elements
- Property Boundaries: Use delineated lines that mark the extent of each land parcel.
- Parcel Identifiers: Assign unique identifiers to each parcel for easy reference in a land record system.
- Land Ownership Information: Includes data on legal ownership, names of owners, and related details.
- Land Use Classification: Categorizes parcels based on primary use (e.g., residential, commercial, agricultural).
- Easements: Illustrate designated areas or corridors affecting access rights.
- Physical Features: Depict natural and man-made features within the mapped area (e.g., rivers, roads, buildings).
- Survey Control Points: Key reference points used during survey operations.
- Scale and Legend: Provide scale information, explain symbols, and offer details on how to interpret the map.
- Non Spatial Details: Data details such as ownership details, tax values etc
Cadastral Plan
- A cadastral plan is the foundational component of a cadastre.
- This involves accurately measuring and recording property boundaries.
- A registered cadastral plan carries legal weight as a document.
- Cadastral maps are made by compiling and joining together individual cadastral plans. These serve as a land management tool but lack the legal weight of a registered cadastral plan.
Parcel Numbering Systems
- Hierarchical Sequential Numbering: A common method involving a series of numbers (e.g., BD/SA/04/0235 in a given example, although a local system).
- Coordinate Locator Numbering (US): Uses a combination of easting and northing measurements for unique identification.
Unique Parcel Identifier Number (UPIN)
- A unique code for parcels within urban areas, combining region, city/town, woreda, neighborhood, city block number, and parcel number.
- The elements for the code are given in the text.
City Maps
- Original maps created from surveyed data. (Complete planimetric information).
- Derived maps, created from the original, usually on a smaller scale. (Less detailed information).
- Thematic maps focusing on a particular theme or aspect of the City (quantitative/qualitative features).
Rural Parcel Identification
- Identification will be from top to bottom, corresponding to administrative levels (e.g., state, regional, zonal, woreda, and kebele).
- Codes are organized alphabetically and numerically to specify area subdivisions, and parcel specific identifier codes.
Data Sources
- Spatial Data Sources: Aerial images, satellite imagery, traditional ground surveys.
- Non-Spatial Data Sources: Legal documents, field observations, surveys, questionnaire results, and census data.
Cadastral Map Layers
- Topographic, Vegetation, Road, Transportation, Utilities, Administrative boundaries, Built up area, Parcels, buildings, fences.
Cadastral Map Scales
- Large-scale maps showing property boundaries and land details.
- Scales are important for various tasks (e.g., general planning, administration, land use).
Geo-spatial Data Accuracy
- The degree of conformance between map features and their real-world locations (e.g. positional, horizontal, and vertical accuracy details given).
Cadastral Map Functions
- Supports land transactions and registration.
- Facilitates land tax assessment and valuation.
- Helps manage land use, infrastructure, and development.
Cartographic Map Design
- Map Layout: Choosing between portrait and landscape orientations, and placing elements such as titles and legends strategically to avoid overlaps.
- Map Title: Use large, bold text that's clear and stands out from other map annotations.
- Orientation: Use a north arrow for clear direction, usually placed above or near the scale bar.
- Sheet Size: Uniform sheet sizes for efficient management and storage.
- Scale Bar: Include representative fraction, for scales, and scale bar is also necessary.
- Legend: Include complete and accurate explanations of features, icons, symbols, and colors used on the map.
Discussion Questions
- Answers to questions relating to map contents, north arrows, preparation guidelines, functions, and land valuation. Provided for reference.
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