OSM Map to Image

Generates an images of a selected section of Open Street Map (http://www.openstreetmap.org/). Optionally also some points of interest (map markers) can be put onto it.

Options

Selection: Map to helping the select the image section. Use right mouse button to move, mouse wheel or left double click to zoom, and left to select.
Longitude/Latitude 1: The coordinates of the first point of the rectangular image section.
Longitude/Latitude 1: The coordinates of the second point of the rectangular image section.
Tile source: The source from which the tiles to create the image will be loaded.
Zoom: The level of detail of the result image. The selected coordinates AND the zoom determine the resulting image dimension. Please note that, if the image dimensions are very big, it might take considerable time to generate the image.

Map Markers

Latitude/Longitude: Columns containing coordinates of point of interests (map markers) to be overlaid on the generated image. The appearance of the markers are determined by row properties and can be set with the according nodes (Shape-, Size-, Color Manager Node).

Map Polygons

Column: An optional column can be specified that contains the information how to relate the map markers (coordinates in the table at port 0). The column has to contain a list of row keys (strings) that can be created by using the 'RowID'-node followed by the 'GroupBy'-node.
The map markers (addressed by the row key) that are enlisted in one list cell are connected to a polygon in the given order and drawn on top of the open street map. Row keys that are not present in the table at port 0 are ignored.
The color and line thickness of the polygons can be specified by using the 'Color Manager'- and 'Size Manager'-node.
Fill map polygon: If the polygons to be drawn should be filled, just check 'Fill map polygon' (the line thickness has no effect than).
Show map markers: If not checked, only the map polygons will be drawn but not he markers.

Input Ports

: DataTable containing GPS coordinates to be visualized on top of the map.
: An optional column that relates the Map Markers at in-port 0 to visualize GPS-tracks and -routes.

Output Ports

: The composed image of the selected section.
: Table containing only those map markers (rows) that are within the range of the composed image.

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Installation

To use this node in KNIME, install the extension KNIME Open Street Map Integration from the below update site following our NodePit Product and Node Installation Guide:

v5.4

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

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.4.0.v202407301047

On NodePit since: 2024-12-06

Last update: 2024-12-21

KNIME versions: Since v3.6

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