Vector/Raster Data Files

JMap Cloud allows you to create spatial data sources (SDS) from various vector and raster file formats: CSV, KML, DXF, DWG, SHP, TAB, GeoPackage, FileGeoDatabase, GeoJSON, and GeoTIFF.

Creating a Spatial Data Source from Files

Creating an SDS is done in several stages:

1. Selecting the file

1. Go to the Data Sources tab and click Create a data source.

2. Select Vector/Raster data file.

3. Choose between:

   • New File: to upload a file from your device.

   • Existing File: to select a file already uploaded to JMap Cloud. See Uploading Files for more information.

For vector datasets, you must combine all associated files into a single .zip file before uploading.

For raster datasets, compression is not required unless you are uploading multiple files to create a mosaic—in which case they must also be combined into a .zip archive.

2. Analysing the file

If uploading a new file, JMap Cloud automatically analyzes the file’s metadata (format, type, coordinate system, geographic extent, etc.) before displaying the configuration window.

• In the case of raster data files, automatic processing is carried out at this stage:

  • Reprojection to EPSG:3857 coordinate system

  • Conversion to the optimized COG (Cloud Optimized GeoTIFF) format

  • Creation of a multi-resolution image pyramid for efficient display

If selecting an existing file, the analysis (and conversion, in the case of raster files) has already been completed, and the configuration window is shown immediately.

3. Configuring SDS Parameters

The configuration parameters vary depending on the data type and format. See the File Settings section for detailed information.

You can also add a description and tags to help filter and organize your data sources. To create new tags, simply enter text in the Tags field.

4. Finalizing the SDS creation

Click Create to finalize the SDS. It will appear in the data source table. Its status will show as In Preparation during processing, then Ready once the creation is complete.

Once a data source is created for a file, the file is no longer required as the data is transferred to the JMap Cloud databases. All uploaded files are automatically deleted after 10 days.

File Settings

The table shows the general settings to configure when creating a DS from vector/raster data files.

Name	Give the DS a name. There are no restrictions for the name of resources (DS, projects, map layers) in JMap Cloud.
Layer	Vector data only. This setting is specific to files that contain multiple data layers (GML, DWG, GeoJSON, etc.). Select the layer from which you are creating the SDS.
CRS	If JMap Cloud has correctly identified the CRS, this field cannot be modified. Otherwise, select the data projection system.
X	Vector data only. This setting is specific to CSV format files. Select the field (numeric values) that contains the longitude coordinates.
Y	Vector data only. This setting is specific to CSV format files. Select the field (numeric values) that contains the latitude coordinates.
Unique identifier	Optional. Vector data only. Select the field that contains the unique identifier of each map element. This identifier is necessary when you want to establish links with other data sources.
Attributes	Vector data only. File attributes are presented in a table that contains the attribute name and type as well as a box to check which attributes should be indexed for quick search.
Description	Optional. You can add a description of the data source.
Tags	Optional. You can add labels that can be used to sort or filter SDS. Tags are available for use with all resources (DS, projects, layers).

Only indexed attributes can be used in simple searches (searching for features in layers of a project based on attribute values) of JMap NG application.