A shapefile consists of at least the following
dbf, prj, qpj, shp, shx
State the two spatial data models usually used to represent real- world features in a GIS
Raster and Vector data models
Query by attribute , query by location data classification
The data model for tourist attraction feature
Vector
What is used to create a zone of a specified width around points, lines and polygons
Buffer
Indicate which of the following statement apply to vector data models
They have topology that is used for topological analysis
The indicated features need to be digitized on a scale 1:20 000
Indicate the dimensionality for each of the features if you capture the data for use in a
VECTOR GIS.
Open field- Polygon
Coastline- Line
Roads -Line
Houses - Point
Dense vegetation -Polygon
State which spatial data model will be the most appropriate means to represent the
following real-world features in a GIS
Temperature :
Raster and vector models
Match the steps of the GIS inquiry process with correct action
Step 1 DEFINE PROBLEM
Step 2 IDENTIFY THE DATA SETS
Step 3 BUILD THE GIS MODEL
Step 4 ACCUIRE THE DATA SETS
Step 5 ANALYZE THE DATA
Step 6 COMMUNICATE THE RESULTS
From the options below identify the properties of spatial big data
Volume, velocity, variety
, What is the dimensionality of the nature surface nature reserve layer
Dimensionality of the Parks Project spatial data layer
Polygon
What is the dimensionality of the artificial surface layer
LINE
Spatial data are
Data with a location on earth
Most powerful multiple layer layer analysis method used in a GIS to analysis data is
Overlayers
The data model for the tourist attraction feature is
Vector
What is the dimensionality of the railway layer
LINE
When you have a map indicating boundaries or an outline of a feature and do not need the
data to be accurate we usally
Digitize the feature
State the level of measurement that will be used for the following statistical data
Descriptive Qualitative data
Nominal
What is the measurement scale for the road type field in the road attribute table
Norminal
Errors are mistakes in your datasets errors and are the results of _ and _
Inaccuracies and data imprecision
From options below identify the properties of spatial big data
Volume velocity and variety
You need the centre lines of rivers that run through a farm. The data does not need to
accurate. Which data source will provide the most appropriate data set for use in GIS
topographical map
Select two vector analysis methods that you will apply if you want to create a map to
indicate the primary schools located in the city of Tshwane. All data given to you are in
Vector format
Selected by Geography and Attributes
, Indicate two raster analysis methods that you will apply if you want to create a map to
indicate the aspect of the Magaliesberg mountain range in North West province.
Aspect
Reclassification
Spatial data is
Data with a location on earth
Select is used for
Create an output layer based on a user-defined query that selects certain features from the
input layer
This picture indicates _ buffer
Doughnut buffer
Spatial relationships are applied to spatial data when doing vector overlays
POINT on Polygon
LINE on Polygon
POLYGON on Polygon
State which spatial data model will be the most appropriate means to represent the
following real-world feature in a GIS
The data model for the road feature is
VECTOR
The data model for the river line feature is
Data model for tourist attraction
VECTOR
Data model for the image_modify is
Raster
To determine the areas visible from a user defined point, you will do _ Analysis
Viewshed analysis
What will categorize numerical data in equally sized classes
Equal interval
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller DestinctionAcademy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.59. You're not tied to anything after your purchase.