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Elevation and Slope Map produced from SRTM

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TASK:

Provide answer in your padlet using your own words:

1. What is the differences between DSM, DEM and DTM?
2. Provide list of DEM can be assessed freely or paid with specific spatial resolution and applications.

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Recording of calculation

https://youtu.be/m2hXJrCZylg

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Last output of min, max & accumulate rainfall grid format created through Kriging Method

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Activity

Based on your opinion, how the spatial interpolation method can help and possible to be practices in surveying field?

Answer:
In my opinion, the spatial interpolation method can help and is possible to be practiced in the surveying field because it also can be a process of spatial prediction or estimating values of certain locations that are not surveyed yet based from the point network that has their own known values. Interpolation can be used to estimate elevation and any other elements that relate to the site's environment which is useful for assisting in the surveying field.

For example the stochastic method, Kriging. It uses the known locations to estimate the data value of the unknown location. It is helpful as it has the capability to produce not only prediction surface, but also providing some measurements of the uncertainty or accuracies of the prediction.

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Actvity

Prepare the methodology involved to interpolate air quality values obtained from the Department of Environment (DOE) using Geostatistic of kriging interpolation.   (5 marks)

Answer:

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Task:

The Project Management Lifecycle (PMLC) is defines as how a project is managed effectively and efficiently from its conceptualization through implementation to its operationalization.  Explain the stage of project planning below:

-  Identify project activities
-   Estimate resource requirements
-   Construct workflow
-   Prepare project proposal

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Lab: Simple Manual of Procedure in this Exercise

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Lab: Simple Manual of Procedure in this Exercise

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SIMPLE MANUAL TO PRESENT PROCEDURES IN THE EXERCISE.docx

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Activity

Provide one application which involved both overlay methods (vector and raster).
Propose data source, datasets, data format and methods involved to solve the for analysis purpose.

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GIS Dashboard in Covid-19 Mapping

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Propose GIS common tools and procedures to execute the followings:

i)         extract Perak region from Malaysia’s digital map;

ii)       join two road layers in different years to a single layer;

iii)      combine the boundary of Perak and Kedah states.

(10 marks)

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From using the spatial data query to buffer the identified nearest petrol station within the wanted distance of 10km.
When buffering, the circle created must cover the selected area and field.
Follow by using the attribute data query in finding the wanted fast food restaurants that is nearby the petrol station.

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Digitizing and Error Inspection

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LAB WEEK 2

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Quizziz answer (2)

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Quizziz answer (1)