{"id":5645,"date":"2025-09-26T22:38:20","date_gmt":"2025-09-27T03:38:20","guid":{"rendered":"https:\/\/sites.owu.edu\/geog-291\/?p=5645"},"modified":"2025-09-26T22:38:20","modified_gmt":"2025-09-27T03:38:20","slug":"becker-week-6","status":"publish","type":"post","link":"https:\/\/sites.owu.edu\/geog-291\/2025\/09\/26\/becker-week-6\/","title":{"rendered":"Becker- Week 6"},"content":{"rendered":"<p style=\"text-align: right\"><strong>Chapter 7<\/strong><\/p>\n<ul>\n<li>this chapter introduces tools to do manual digitization by tracing<\/li>\n<li>creating vector map features<\/li>\n<\/ul>\n<p>Tutorial 7-1<\/p>\n<ul>\n<li>used the move button to update a polygon&#8217;s position<\/li>\n<li>rotated a polygon to fit a feature\n<ul>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5648\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-141246-300x281.png\" alt=\"\" width=\"300\" height=\"281\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-141246-300x281.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-141246.png 573w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<li>added vertices to a polygon to change its shape<\/li>\n<li>cut a polygon into two separate ones<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Tutorial 7-2<\/p>\n<ul>\n<li>created a feature class to add to the geodatabase\n<ul>\n<li>added a polygon for a parking lot to the feature<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5703\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-204518-300x206.png\" alt=\"\" width=\"300\" height=\"206\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-204518-300x206.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-204518.png 307w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<\/ul>\n<\/li>\n<li>deleted polygons<\/li>\n<li>added polygon via trace<\/li>\n<\/ul>\n<p>Tutorial 7-3<\/p>\n<ul>\n<li>can modify GIS using cartography tools<\/li>\n<li>learned how to smooth out polygons<\/li>\n<\/ul>\n<p>Tutorial 7-4<\/p>\n<ul>\n<li>learned how to cover a building with features<\/li>\n<li>added features over an area and rescaled them<\/li>\n<\/ul>\n<p style=\"text-align: right\"><strong>Chapter 8<\/strong><\/p>\n<ul>\n<li><strong>Geocoding-\u00a0<\/strong>GIS process that matches location fields in tabular data to corresponding fields in existing feature classes to map the tabular data<\/li>\n<li>problem with geocoding is inconsistencies with data entries from data suppliers<\/li>\n<li>ArcGIS has a rule-based expert system\n<ul>\n<li>source table<\/li>\n<li>reference data<\/li>\n<li>geocoding tool<\/li>\n<li>locator<\/li>\n<\/ul>\n<\/li>\n<li>Soundex Key used to identify spelling mistakes<\/li>\n<\/ul>\n<p>Tutorial 8-1<\/p>\n<ul>\n<li>created a locator<\/li>\n<li>created datapoints based on the locator I created<\/li>\n<li>fixed messed up data<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5715\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-221338-300x120.png\" alt=\"\" width=\"300\" height=\"120\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-221338-300x120.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-221338.png 618w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<\/ul>\n<p>Tutorial 8-2<\/p>\n<ul>\n<li>geocode by street address to place unique points on map for attendees in the county<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5718\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-223354-300x192.png\" alt=\"\" width=\"300\" height=\"192\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-223354-300x192.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-223354-768x490.png 768w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-223354.png 910w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<\/ul>\n<p style=\"text-align: right\"><strong>Chapter 9<\/strong><\/p>\n<ul>\n<li>covering four spatial analytical methods: buffers, service areas, facility location models, and clustering<\/li>\n<li><strong>network dataset-\u00a0<\/strong>used for estimating travel distance or time on a street network<\/li>\n<\/ul>\n<p>Tutorial 9-1<\/p>\n<ul>\n<li><strong>buffer-\u00a0<\/strong>polygon surrounding map features of a feature class<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5722\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-224359-300x220.png\" alt=\"\" width=\"300\" height=\"220\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-224359-300x220.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-224359.png 735w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<\/ul>\n<p>Tutorial 9-2<\/p>\n<ul>\n<li>multiple-ring buffer looks like bull&#8217;s eye target<\/li>\n<\/ul>\n<p>Tutorial 9-3<\/p>\n<ul>\n<li>service areas are like buffer areas, but extent based on travel over a network<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5733\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-231748-300x203.png\" alt=\"\" width=\"300\" height=\"203\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-231748-300x203.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-231748-768x518.png 768w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-231748.png 908w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<\/ul>\n<p>Tutorial 9-4<\/p>\n<ul>\n<li>location-allocation model in Network Analyst collection of models handles facility location issues<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5736\" src=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-232641-300x237.png\" alt=\"\" width=\"300\" height=\"237\" srcset=\"https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-232641-300x237.png 300w, https:\/\/sites.owu.edu\/geog-291\/wp-content\/uploads\/sites\/208\/2025\/09\/Screenshot-2025-09-26-232641.png 753w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/li>\n<\/ul>\n<p>Tutorial 9-5<\/p>\n<ul>\n<li>goal of data mining is to find hidden structure in large and complex datasets\n<ul>\n<li>limitation: no way of knowing true clusters in real data to compare with an algorithm<\/li>\n<\/ul>\n<\/li>\n<li><strong>k-means clustering-\u00a0<\/strong>partitions dataset with n observations and p variables into k&lt;n clusters<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 7 this chapter introduces tools to do manual digitization by tracing creating vector map features Tutorial 7-1 used the move button to update a polygon&#8217;s position rotated a polygon to fit a feature added vertices to a polygon to change its shape cut a polygon into two separate ones Tutorial 7-2 created a feature class to add to the geodatabase added a polygon for a parking lot to the feature deleted polygons added polygon via trace Tutorial 7-3 can modify GIS using cartography tools learned how to smooth out polygons Tutorial 7-4 learned how to cover a building with features added features over an area and rescaled them Chapter 8 Geocoding-\u00a0GIS process that matches location fields in tabular data to corresponding fields in existing feature classes to map the tabular data problem with geocoding is inconsistencies with data entries from data suppliers ArcGIS has a rule-based expert system source table reference data geocoding tool locator Soundex Key used to identify spelling mistakes Tutorial 8-1 created a locator created datapoints based on the locator I created fixed messed up data Tutorial 8-2 geocode by street address to place unique points on map for attendees in the county Chapter 9 covering four spatial analytical methods: buffers, service areas, facility location models, and clustering network dataset-\u00a0used for estimating travel distance or time on a street network Tutorial 9-1 buffer-\u00a0polygon surrounding map features of a feature class Tutorial 9-2 multiple-ring buffer looks like bull&#8217;s eye target Tutorial 9-3 service areas are like buffer areas, but extent based on travel over a network Tutorial 9-4 location-allocation model in Network Analyst collection of models handles facility location issues Tutorial 9-5 goal of data mining is to find hidden structure in large and complex datasets limitation: no way of knowing true clusters in real data to compare with an algorithm k-means clustering-\u00a0partitions dataset with n observations and p variables into k&lt;n clusters<\/p>\n","protected":false},"author":2331,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-5645","post","type-post","status-publish","format-standard","hentry","category-course-student-work"],"_links":{"self":[{"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/posts\/5645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/users\/2331"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/comments?post=5645"}],"version-history":[{"count":21,"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/posts\/5645\/revisions"}],"predecessor-version":[{"id":5738,"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/posts\/5645\/revisions\/5738"}],"wp:attachment":[{"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/media?parent=5645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/categories?post=5645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-291\/wp-json\/wp\/v2\/tags?post=5645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}