java osmosis pom
时间: 2024-06-04 13:11:12 浏览: 10
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相关问题
Osmosis osm json
Osmosis is a command-line tool used for processing OpenStreetMap data. It can be used to extract, filter, and manipulate OSM data in various formats.
The "osm" format in Osmosis refers to the XML format used by OpenStreetMap to represent their data. Osmosis can read and write OSM data in this format, as well as other formats such as PBF and JSON.
The "osm json" format is simply the OSM data represented in JSON format. This format is useful for applications or tools that require JSON input or output, as it can be easily parsed by programming languages such as JavaScript.
To convert OSM data to JSON format using Osmosis, you can use the following command:
```
osmosis --read-xml input.osm --write-json output.json
```
This will read the OSM data from the file "input.osm" in XML format, and write it to the file "output.json" in JSON format.
java PbfWriter
PbfWriter is a class in the Java programming language that is used to write OpenStreetMap data in Protocol Buffer Binary format (PBF). This format is a compressed and efficient way of storing and transmitting large amounts of geographic data.
The PbfWriter class provides methods for writing various types of OpenStreetMap data, including nodes, ways, and relations. It also supports the writing of metadata such as timestamps, version numbers, and user IDs.
To use the PbfWriter class, you first need to create an instance of it and specify the output stream to which the PBF data should be written. You can then use the various methods provided by the class to write the OpenStreetMap data to the output stream.
Here's an example of how to use the PbfWriter class to write some OpenStreetMap data to a file:
```
import java.io.FileOutputStream;
import java.io.IOException;
import org.openstreetmap.osmosis.core.domain.v0_6.Node;
import org.openstreetmap.osmosis.core.domain.v0_6.TagCollection;
import org.openstreetmap.osmosis.core.domain.v0_6.Way;
import org.openstreetmap.osmosis.pbf2.v0_6.PbfWriter;
public class PbfWriterExample {
public static void main(String[] args) throws IOException {
// Create a PbfWriter instance and specify the output file
PbfWriter pbfWriter = new PbfWriter(new FileOutputStream("output.pbf"));
// Create a Node object and write it to the output stream
Node node = new Node(1, new TagCollection(), 1.0, 2.0);
pbfWriter.process(node);
// Create a Way object and write it to the output stream
Way way = new Way(2, new TagCollection(), null);
way.getWayNodes().add(node);
pbfWriter.process(way);
// Close the PbfWriter to flush any remaining data to the output stream
pbfWriter.complete();
pbfWriter.close();
}
}
```
In this example, we create a PbfWriter instance and specify an output file called "output.pbf". We then create a Node object with ID 1 and coordinates (1.0, 2.0), and write it to the output stream using the `process()` method of the PbfWriter. We then create a Way object with ID 2 and add the previously created Node to it, before writing the Way to the output stream. Finally, we close the PbfWriter to flush any remaining data to the output stream.
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