java openstreetmap PbfWriter
时间: 2024-05-13 12:21:00 浏览: 16
The PbfWriter class in the Java OpenStreetMap (OSM) library provides a way to write OSM data to a Protocol Buffer Binary Format (PBF) file. This is useful for creating compressed, binary files that can be easily exchanged between different systems.
To use the PbfWriter class, you first need to create an instance of it and specify the output file path:
```java
PbfWriter writer = new PbfWriter(new File("output.pbf"));
```
You can then write OSM data to the file using the `write` method. The method takes an `OsmData` object as its parameter, which represents the OSM data to be written:
```java
OsmData data = ... // create or load OSM data
writer.write(data);
```
Finally, you should close the writer to ensure that all data is properly flushed and the file is closed:
```java
writer.close();
```
It's worth noting that the PbfWriter class is not thread-safe, so you should ensure that only one thread is writing to the file at a time. Additionally, you should handle any exceptions that may be thrown during the writing process.
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