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on February 14, 2023

GeoJSON too bulky – what to do?

Geographic Information Systems

Contents:

  • How do I reduce the size of a GeoJSON file?
  • What is the size limit for GeoJSON?
  • Is GeoJSON better than shapefile?
  • How do I edit a GeoJSON file in Qgis?
  • Is it possible to compress JSON?
  • How do I edit a large JSON file?
  • Is JSON good for large files?
  • How do I make a shapefile smaller?
  • Is JSON good for big data?
  • How do I open a very large JSON file?
  • How do I make a shapefile smaller?
  • How do I convert a GeoJSON file?

How do I reduce the size of a GeoJSON file?

To simplify GeoJSON files, we recommend using the free tool Mapshaper and following these steps. Open mapshaper.org and import your GeoJSON files by using the upload link or dragging your files into the webpage. Once the file has loaded into Mapshaper, click the “Simplify” link in the top right corner of the webpage.
 

What is the size limit for GeoJSON?

As a best practice, GeoJSON files being ingested should be under 100 MB per file. If you have a larger amount of data to be ingested, it is recommended you break the files up into files under 100 MB per file.

Is GeoJSON better than shapefile?

For a similar number of vector features with attributes, GeoJSON has almost double the file size compared to shapefile in most cases. GeoJSONs have no spatial indexing. So, it’s tough to handle when dealing with a large number of features.
 

How do I edit a GeoJSON file in Qgis?

Quote from video: We just select the layer name in the list and toggle the editing button.

Is it possible to compress JSON?

As text data, JSON data compresses nicely. That’s why gzip is our first option to reduce the JSON data size. Moreover, it can be automatically applied in HTTP, the common protocol for sending and receiving JSON. Let’s take the JSON produced with the default Jackson options and compress it with gzip.
 

How do I edit a large JSON file?

JSONBuddy provides support for huge JSON and text data (multi-GB) to view and edit those documents directly in the application. Regardless of the size of your input data, the application will only use a small amount of memory to view the file content. Open and browse big JSON text. Run well-formed syntax checking.

Is JSON good for large files?

There is no hard limit defined by JSON specification, so there is practically no limit on the maximum size of a JSON file. It can be as long as the space is demanded by the contents to be stored. So, in conclusion, with these modern tools, it is noncontroversial to assume that there would be large JSON files.
 

How do I make a shapefile smaller?

Simplify a map (reducing the file size and loading time)

  1. Open mapshaper.org, and click on select to attach your map files.
  2. Your shapefile map consists of several files as shown in the example below.
  3. The map should open as in the example below.
  4. Simplify the map by moving the slider to the right.

Is JSON good for big data?



Quote from video:

How do I open a very large JSON file?

If you want to open big JSON files (potentially running to hundreds of millions of rows) you need to take a completely different approach. One such option is to use Python, or another similarly powerful coding or scripting language.

How do I make a shapefile smaller?

Simplify a map (reducing the file size and loading time)

  1. Open mapshaper.org, and click on select to attach your map files.
  2. Your shapefile map consists of several files as shown in the example below.
  3. The map should open as in the example below.
  4. Simplify the map by moving the slider to the right.

How do I convert a GeoJSON file?

Convert GeoJSON to ESRI Shapefile Map format



  1. Open mapshaper.org, and click on select to attach your map files.
  2. The map will display as shown below.
  3. Drag the slider handle to the right to simplify the map, up to a level of detail you feel comfortable with.
  4. Click on Export to save the map in various formats.


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