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GIS

Geographical Information System

Query,

analyse,

present

  • ArcGIS
  • QGIS

Lilla Vajda, Corsac - Please

Jan 10. 2018

Vectors

Vectors

(Shape file, Feature class)

South America

Cities

Countries

Rivers

  • Point

  • Line/ Polyline

  • Polygon

Create

new Feature Class

Type of Tables

Non-spatial Table

Spatial Table

external tables

attribute table of the feature class

xls, csv, txt

Tables

connect non spatial table to it

Join

Join

Spatial Table

Non Spatial Table

  • ONE to ONE

  • MANY to ONE

Relate

Relate

Spatial Table

  • ONE to MANY

  • MANY to MANY

Non Spatial Table

Query

Select by Attribute

Select by Attribute

Which Frorida city is a county seat?

SELECT *

FROM Florida_Cities

WHERE FEATURE = COUNTY SEAT;

Attribute

Which Frorida city is a county seat?

SELECT *

FROM Florida_Cities

WHERE FEATURE = COUNTY SEAT

Select by Location

Select by Location

Which trees are inside the park?

Which peaks are near trails?

Which counties are adjacent to Highlands County?

Which highways intersect Highlands County?

Rasters

Rasters

  • Ortophoto / Satellite picture

  • Digital Terrain Modell / Digital Surface Modell

  • Tematical Maps

Raster Analyse

„NDVI“ green value(>= 0.2) & !green value (< 0.2)

Zonal statistic:

in each polygon get (green value / area)

Percentage of green areas in LORs

Thank you for your attantion!!

Thank you for your attantion!!

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