Image Credits

Jennifer Moore

Image Credits

Sources of images are listed by chapter and in filename order Links current as of October 8, 2025.

Chapter: 1

Image 001: John Snow’s 1854 Cholera map. Source: Wikimedia, https://commons.wikimedia.org/wiki/File:Snow-cholera-map-1.jpg
License: Public Domain, https://creativecommons.org/public-domain/pdm/.

Image 002: Example Mental Map created. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Chapter: 2

Image 003: Illustration of GIS components. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 004: QGIS logo, Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Chapter: 3

Image 005: Illustration of the shape of the earth. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 006: Illustration of latitude lines. Source: Wikipedia, https://commons.wikimedia.org/wiki File:Latitude_and_Longitude_of_the_Earth.svg
License: CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/

Image 007: Illustration of longitude lines. Source: Wikimedia, https://commons.wikimedia.org/wiki File:Latitude_and_Longitude_of_the_Earth.svg
License: CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/

Image 008: Illustration of lines meeting to form a graticule. Source: Wikimedia, https://commons.wikimedia.org/wiki/File:Spherical_coordinates_on_a_globe_dA.svg.
License: CC-BY-SA-4.0, https://creativecommons.org/licenses/by-sa/4.0/.

Image 009, Illustration of datum the division between NAD27 and NAD83 . Source: Wikimedia, https://commons.wikimedia.org/wiki/File:Datum_Shift_Between_NAD27_and_NAD83.png.
License: CC-By-3.0, https://creativecommons.org/licenses/by/3.0

Image 010, Illustration of an orange representing a 3D earth unpeeled to represent a 2D map. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 011: Illustration of a light bulb projecting from the center of the globe. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 012: Illustration of projection categories. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 013: Illustration of Azimuthal Equaistant project. Source: Wikimedia, https://commons.wikimedia.org/wiki/File:Taipei_centered_azimuthal_equidistant_projection.gif
License: CC-SA, https://creativecommons.org/licenses/by-sa/4.0/

Image 014: Illustration of UTM zones. Source: Wikimedia, https://commons.wikimedia.org/wiki/File:Utm-zones-USA.svg
License: CC-By-3.0, https://creativecommons.org/licenses/by/3.0/

Image 015: Illustration of State Plane zones divided by whether they are Lambert or Mercator projections, adapted by Jennifer Moore based on a similar image used by Fang, and dataset:

“USA State Plane Zones NAD83.” n.d. Accessed October 6, 2025. https://hub.arcgis.com/datasets/esri::usa-state-plane-zones-nad83/about.

License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Chapter 4

Image 016, Illustration of points, lines, and polygon layers. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 017, Illustration of a topological model. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 018, Clipping of a Seurat painting demonstrating pointillism. Source: Wikimedia.
License: Public Domain, https://creativecommons.org/public-domain/pdm/

Image 019, Illustration of cell-by-cell raster encoding. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 020, Illustration of run-length raster encoding. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 021, Illustration of quadtree raster encoding. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 022, Illustration of a raster satellite image at different resolutions. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 023, Illustration of a hierarchical database schematic. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 024, Illustration of a network database schematic. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 025, Illustration of a relational database schematic. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 026, Illustration of a directory structure schematic. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Chapter 6

Image 027, Illustration of a project lifecycle for data. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 028, Illustration of a project diagram. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Chapter 7

Image 029, Illustration of a GIS workflow. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 030, Illustration of single symbolization. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 031, Illustration of unique symbolization. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 032, Illustration of graduated symbolization. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 033, Screenshot from Colorbrewer . Source: ColorBrewer, https://colorbrewer2.org/#type=sequential&scheme=BuGn&n=3. AZXq`
License: Apache License, Version 2.0, https://www.apache.org/licenses/LICENSE-2.0

Chapter 8

Image 034, Illustration of the project diagram for part 2. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Chapter 9

Image 035, Screenshot from Census Tigerline . Source: United States Census Bureau, TIGER/LINE SHAPESFILES, https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html
License: Public Domain, https://creativecommons.org/public-domain/pdm/.

Image 036, Screenshot of filter from Census Data Portal. Source: United States Census Bureau, Census Data Portal, https://data.census.gov
License: Public Domain, https://creativecommons.org/public-domain/pdm/.

Image 037, OpenRefine logo. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 038, Screenshot from QGIS application. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 039, Screenshot of Census table geoid in Excel app. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 040, Screenshot of the OpenRefine upload screen. Source: OpenRefine, https://openrefine.org.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 041, Screenshot of the OpenRefine upload screen. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 042, Screenshot of the OpenRefine parsing screen. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 043, Screenshot of the OpenRefine create facet by star action. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 044, Screenshot of the OpenRefine matching rows. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 045, Screenshot of the OpenRefine split columns dialog. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 046, Screenshot of the OpenRefine remove columns dialog. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 047, Screenshot of the OpenRefine convert to number. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Image 048, Screenshot of the OpenRefine convert multiple columns to number. Source: OpenRefine, https://openrefine.org/.
License CC-By-4.0, https://creativecommons.org/licenses/by/4.0/.

Chapter 10

Image 049, Screenshot of the QGIS empty project. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 050, Screenshot of the QGIS tool bar with labeling. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 051, Screenshot of dragging and dropping in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 052, Screenshot of added data in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 053, Screenshot of projected data in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 054, Screenshot of project CRS in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 055, Screenshot of data manager icon in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 056, Screenshot of delimited text icon in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 057, Screenshot of plugin management in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 058, Screenshot of geocoding menu in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 059, Screenshot of manual selection in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 060, Screenshot of exporting selected features in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 061, Screenshot of select points within a distance in QGIS. QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 062, Screenshot of attribute table in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 063, Screenshot of added points in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 064, Screenshot identifying LUCODE field in attribute table in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 065, Screenshot of selected features by expression in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 066, Screenshot of LUCODE expression in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Chapter 12

Image 067, Illustration of a 1-1 join.. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 068, Screenshot of add join button in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 069, Screenshot of successful join in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 070, Screenshot of join by location in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 071, Screenshot of merging data in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 072, Screenshot of adding field parameters in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 073, Screenshot of adding standard values to a field in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 074, Screenshot of editing menu in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 075, Screenshot of select row boxes in table in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 076, Screenshot of the clip tool in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 077, Screenshot of the add field dialog in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 078, Screenshot of the edit vertices tool in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Image 079, Screenshot of the Metroline attribute table in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 080, Screenshot of Metrolines to edit in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 081, Screenshot of the Metroline vertices in edit mode in QGIS. Source: QGIS, https://qgis.org.
License:GNU General Public License, https://qgis.org/license/

Chapter 13

Image 082, Screenshot of formatting symbols in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 083, Screenshot of formatting symbols in QGIS.Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 084, Screenshot of gradated mean income in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 085, Screenshot of expression for normalized race in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 086, Screenshot of median home values by gradated colors in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 087, Screenshot of owner occuipiers shaded by gradated colors in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 088, SCreenshot of black population shaded by gradated colors in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 089, Screenshot of density plugin in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 090, Screenshot of density toolbar in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 091, Screenshot of kernel density estimation parameters in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 092, Screenshot of kernel density estimation result in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Chapter 15

Image 093, Screenshot of the central point feature result in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Chapter 16

Image 094, Screenshot of formatting all symbols in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 095, Screenshot of catagory symbology in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 096, Screenshot of simple svg marker in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 097, Screenshot of a map with simple svg markers in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 098, Screenshot of resource sharing plugin in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 099, Screenshot of svg browser in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 100, Screenshot of setting path to svg custom icons in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 101, Screenshot of browsing to custom svg icons in QGIS. Source: QGIS, https://qgis.org.
License: GNU General Public License, https://qgis.org/license/

Image 102, Croissants. Source: bakery by Gung Yoga, https://thenounproject.com/icon/bakery-7767333/, Noun Project.
License: CC-By-3.0, https://creativecommons.org/licenses/by/3.0

Image 103, Ice Cream. Source: ice cream cone with sprinkles by MARADONNA, https://thenounproject.com/icon/ice-cream-cone-with-sprinkles-6874819/, Noun Project.
License: CC-By-3.0, https://creativecommons.org/licenses/by/3.0

Image 104, Juice. Source: juice by Rikas Dzihah, https://thenounproject.com/icon/juice-7957614/, Noun Project.
License: CC-By-3.0, https://creativecommons.org/licenses/by/3.0

Image 105, Coffee. Source: Coffee by CT, https://thenounproject.com/icon/coffee-59078/, Noun Project.
License: CC-By-3.0, https://creativecommons.org/licenses/by/3.0

Image 106, Image of map 1, focused on income, schools and businesses. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 107, Imge of map 2, focused on housing values, owner occupancy, and race. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 108, Image of map 3, focused on income, floodways, and sinkhole density. Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

Image 109, Image of map 4, focused on housing values, owner occupancy, and single-family homes.Source: Jennifer Moore.
License: CC-By-4.0, https://creativecommons.org/licenses/by/4.0/

License

Icon for the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License

An Introduction to Geospatial Thinking and Open Source GIS Copyright © 2025 by Jennifer Moore is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.