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Map_​Viewer_​Example_​Advanced

Map_Viewer_Examples

Scrape a list of cities with the coordinates and population numbers from Wikipedia using the Selenium Nodes and visualize them in different styles using the Map Viewer node from Palladian.

The Map Viewer supports the Color Manager and Size Manager nodes to set the colors and sizes of the markers shown on the map.

Extract the table from https://en.wikipedia.org/wiki/List_of_European_cities_by_population_within_city_limits and write it to a CSV file(this requires the Selenium Nodes -- you can just skip this) Read the cities data and visualize on a map. The following properties are supported:* different sizes for the markers by adding a “Size Manager” node* different colors for the markers by adding a “Color Manager” node* labels based on a string column Node 1Node 2Node 3Node 4Node 11Colored teardrops of different sizesMap the cities’ populationto the size shownon the mapMap the EUmembership as colorClean upAssign “EU” flagWrite tocities.csvwithin the workflowNode 25Node 26Colored labels with city nameColored circles of different sizesNode 29 Start WebDriver Navigate Find Elements Table Extractor Coordinate Parser Map Viewer Size Manager Color Manager Column Filter Rule Engine CSV Writer CSV Reader Column Rename Map Viewer Map Viewer String cleaning Extract the table from https://en.wikipedia.org/wiki/List_of_European_cities_by_population_within_city_limits and write it to a CSV file(this requires the Selenium Nodes -- you can just skip this) Read the cities data and visualize on a map. The following properties are supported:* different sizes for the markers by adding a “Size Manager” node* different colors for the markers by adding a “Color Manager” node* labels based on a string column Node 1Node 2Node 3Node 4Node 11Colored teardrops of different sizesMap the cities’ populationto the size shownon the mapMap the EUmembership as colorClean upAssign “EU” flagWrite tocities.csvwithin the workflowNode 25Node 26Colored labels with city nameColored circles of different sizesNode 29 Start WebDriver Navigate Find Elements Table Extractor Coordinate Parser Map Viewer Size Manager Color Manager Column Filter Rule Engine CSV Writer CSV Reader Column Rename Map Viewer Map Viewer String cleaning

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Created by: Philipp Katz
Created at: 2022-11-12
On NodePit since: 2022-11-12
Last update: 2026-04-03
Created with KNIME version: v4.6.3
Tags: seleniumpalladiangeomapvisualization
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