This node is currently not available in KNIME v5.4 — instead we’re showing this page for KNIME v4.7. You can use the version menu in the title bar to permanently switch your preferred version. This will also show the link to the update site.

View Geometries as Map

Displays one (or two) table(s) made of spatial features on a map.

Input data should contain a "the_geom" column encoded in WKT (Well-known Text) representation, and a variable storing the Coordinate Reference System. The best is to display data which was loaded using the "Read Shapefile as WKT" node.

Once you are in the the view:

wheel scrolling zooms in and out
the "Spatial tools" menu provides "zoom to fit", zoom in and out, info or pan (move) features

You can color the geometries by tuning the default colors in the configuration pane. You also can use the color manager node, and assign colors to each line based on its characteristics; this leads to more interesting symbologies.

The actual visualization is done using the wonderful geotools library.

Options

top table: default color: The color to use if there is no color assigned to each line
top table: opacity: Opacity of the geometries of the first table. Keeping a bit of transparency is good (defaults to 0.7), as it helps to detect overlapping geometries.
bottom table: default color: The color to use if there is no color assigned to each line
bottom table: opacity: Opacity of the geometries of the first table. Keeping a bit of transparency is good (defaults to 0.5), as it helps to detect overlapping geometries, and enables to views the geometries of the first table below.
WMS server for overlay: The server to load the background overlay from. Change in case the overlay is not displayed.

Input Ports

: A table with WKT data
: (optional)A table with WKT data

Output Ports

This node has no output ports

Popular Predecessors

Popular Successors

Views

view map: View the table(s) on the same map

Workflows

Developers

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Installation

To use this node in KNIME, install the extension KNIME Spatial Processing Nodes from the below update site following our NodePit Product and Node Installation Guide:

v4.7

A zipped version of the software site can be downloaded here.

Plugin provider: EIFER (European Institute for Energy Research)

Plugin version: 1.2.2.v201911131528

On NodePit since: 2022-12-06

Last update: 2024-12-16

KNIME versions: From v4.0 to v4.7

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