Vector Analysis.pdf

(121 KB) Pobierz
Vector Analysis
The aim of this work is to find a location for a new landfill in city of Kraków.
The new location has to fulfil few conditions:
it has to be located up to 1000 m from the national road (krajowa),
it has to be located more than 250 m from the rivers,
it has to be further than 500 m to any buildings,
its area has to exceed 1 000 000 m
2
.
1.
Create national roads layer
Select KATEGORIA=’krajowa’
Create layer for selected features.
2.
Create buffer from rivers/national roads/buildings
Geoprocessing – Buffer (Side Type – FULL, End Type – ROUND, Method – PLANNAR,
Dissolve_Type – ALL).
3.
Create buffer from roads – road width 5m
Geoprocessing – Buffer (Side Type – FULL, End Type – ROUND, Method – PLANNAR,
Dissolve_Type – ALL)
4.
Erase rivers buffer from national roads buffer – w1
System Toolboxes – Analysis Tools – Overlay - Erase
5.
6.
7.
Erase buildings buffer from w1 – w2
Erase roads buffer from w2 – w3
Split one feature in resulting layer into separate features
Three versions:
1st
Data Management Tools –
Features – Polygon to Line,
Data Management Tools –
Features – Feature to
Polygon,
8.
2nd
Start Editor, and in
Advanced Editing toolbar -
Explode Multipart Feature
3rd
Data Management Tools –
Features –Multipart to
Singlepart
Finding polygons with areas exceeding 1 000 000 m
2
Select by attributes. Create layer for selected features.
9.
Add WMS layer to see where the result areas are located
Find WMS address for orthophotomaps on Geoportal. Add new WMS layer.

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin