Introduction to GIS

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36:11

Lecture 4 - 12 Nov. - part 3 - download WFS -…

Lecture 4 - 12 Nov. - part 3 - download WFS - zonal statistics

From Francesco Pirotti on November 12th, 2020

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Download WFS, zonal statistics
54:30

Lecture 4 - 12 Nov. - part 2 - connecting to…

Lecture 4 - 12 Nov. - part 2 - connecting to OGC (WMS/WFS/WCS) services

From Francesco Pirotti on November 12th, 2020

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Connecting to OGC (WMS/WFS/WCS) services
01:06:38

Lecture 4 - 12 Nov. - part 1 - calculating NDVI

Lecture 4 - 12 Nov. - part 1 - calculating NDVI

From Francesco Pirotti on November 12th, 2020

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Using satellite imagery to calculate a raster with NDVI values (see http://physicsopenlab.org/2017/01/30/ndvi-index/) - explanation of NDVI and physical properties of…
40:02

Lecture 3 - 05 Nov. - part 5 - heatmaps for…

Lecture 3 - 05 Nov. - part 5 - heatmaps for density mapping

From Francesco Pirotti on November 6th, 2020

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Heatmaps to estimate density - uniform kernel vs. other kernels that inversely weight distance
19:01

Lecture 3 - 05 Nov. - part 4 - selecting trees…

Lecture 3 - 05 Nov. - part 4 - selecting trees by expressions and position

From Francesco Pirotti on November 6th, 2020

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selecting using conditional expressions and position (tree points over a parcel) - selecting and removing trees below a certain diameter
41:43

Lecture 3 - 05 Nov. - part 3 - tree volume and…

Lecture 3 - 05 Nov. - part 3 - tree volume and diameters from models

From Francesco Pirotti on November 6th, 2020

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estimate diameter from tree height with formula from MS excel trendline - volume calculation from height and diameter using Tabacchi formula.
01:08:58

Lecture 3 - 05 Nov. - part 2 - tree volume and…

Lecture 3 - 05 Nov. - part 2 - tree volume and diameters from lidar

From Francesco Pirotti on November 6th, 2020

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tree positions from lidar, height-diameter-volume functions (Tabacchi et al.) - MS Excel to create trend-line and equation - field calculator to insert formula from…
44:18

Lecture 3 - 05 Nov. - part 1

Lecture 3 - 05 Nov. - part 1

From Francesco Pirotti on November 6th, 2020

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Importing Fauna positions (mountain goats), styling to category values, plot two variables in vector layer,
40:46

Lecture 2 - 30 Oct. - part 4 - sample raster +…

Lecture 2 - 30 Oct. - part 4 - sample raster + estimate Volume

From Francesco Pirotti on October 30th, 2020

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sample height of trees from CHM, Use spreadsheet (Excel) to find function that estimates dependent variable (Volume) from independent variable (height of trees), use…
21:29

Lecture 2 - 30 Oct. - part 3 - importing Text…

Lecture 2 - 30 Oct. - part 3 - importing Text files

From Francesco Pirotti on October 30th, 2020

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Importing CSV (comma separated values) a text table with tree positions + save file as Geopackage
01:07:44

Lecture 2 - 30 Oct. - part 2 - DSM/DTM/CHM

Lecture 2 - 30 Oct. - part 2 - DSM/DTM/CHM

From Francesco Pirotti on October 30th, 2020

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DSM/DTM/CHM - style raster, calculate CHM using DSM - DTM
15:43

Lecture 2 - 30 Oct. - part 1 - announcements

Lecture 2 - 30 Oct. - part 1 - announcements

From Francesco Pirotti on October 30th, 2020

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Assignment announcements, next lecture dates, open lab date, how to upload your assignments
48:02

Lecture 1 - part 3 - openstreetmap and google…

Lecture 1 - part 3 - openstreetmap and google plugin

From Francesco Pirotti on October 21st, 2020

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01:14:16

Lecture 1 - part 2 - vector and raster models

Lecture 1 - part 2 - vector and raster models

From Francesco Pirotti on October 21st, 2020

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loading and styling vector and raster models to QGIS, styling rasters and vectors
36:05

Lecture 1 part 1- introduction

Lecture 1 part 1- introduction

From Francesco Pirotti on October 21st, 2020

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Introduction to the course, the web page, the channel, minimal terminology, exam, QGIS layout (panels and toolbars)

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