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Read Vector Data from Hub

GeospatialI/O
kevin_sturm profile image
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Aug 15, 2024 12:54 PM
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This workflow allows you to read geospatial data (Shapefiles) from a neighboring folder on KNIME Business Hub.

Since Shapefiles normally consist of multiple files and the <geofile reader> can only take a string, we need to build the full path to the respective *.shp file, while ensuring all other vector files are present as well.

Besides this workflow, there is a "data-files" folder. This folder shall contain one vector data set in a separate folder, e.g. *.dbf, *.prj, *.shp, ... of the single states of the USA in one folder "us-states".

The initial component lets you select among present folders inside the "data-files" folder. The workflow then moves the folder into the data area and constructs the full path by using the <extract context properties> node information.

Once done, the <geofile reader> can use this path to read the file located on KNIME Business Hub.

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Used extensions & nodes

Created with KNIME Analytics Platform version 5.3.0
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    Geospatial Analytics Extension for KNIMETrusted extension

    SDL, Harvard, Cambridge US

    Version 1.2.0

    Center for Geographic Analysis at Harvard University
  • Go to item
    KNIME Base nodesTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 5.3.0

    knime
  • Go to item
    KNIME JavasnippetTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 5.3.0

    knime
  • Go to item
    KNIME Math Expression (JEP)Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 5.3.0

    knime
  • Go to item
    KNIME Quick FormsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 5.3.0

    knime

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