JMap Server Lima
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  • Welcome to JMap Server Lima
  • Administrator
    • JMap Server Administrator Manual
      • Introduction
        • Quick Start Guide
        • User Interface
          • Old User Interface
      • Resources: Databases
        • Creating Databases
        • Configuring Databases
          • Database Permissions
        • Managing Databases
        • JMap Server System Database
      • Resources: JMap Server to JMap Server Connections
        • Creating Connections to JMap Server
        • Configuring JMap Server to JMap Server Connections
          • Permissions for the Remote Connection
        • Managing Connections
      • Resources: Spatial Data
        • Basic Concepts
        • Creating Spatial Data Sources
        • Configuring Spatial Data Sources
          • Spatial Data Source Permissions
          • External Attributes
          • Metadata
          • Sharing Spatial Data Sources
        • Managing Spatial Data Sources
        • Vector Data Sources
          • JMap ADF - E00 Arc - Info reader
          • JMap CSV reader
          • JMap DGN V7 - V8 File reader
          • JMap DWG - DXF reader
          • JMap EDIGEO reader
          • JMap File geodatabase reader
          • JMap GeoJSON reader
          • JMap GML reader
          • JMap GPX reader
          • JMap IFC reader
          • JMap KML reader
          • JMap MID - MIF reader
          • JMap Photo reader
          • JMap SHP reader
          • JMap TAB reader
          • Annotations in a database
          • ArcGIS REST
          • ArcSDE geodatabase
          • Coordinates in a database
          • Enterprise geodatabase
          • JMap Server
          • JMap Spatial Table
          • MongoDB
          • MySQL Spatial
          • OGC API Features
          • Oracle Spatial Locator
          • Personal geodatabase
          • PostGIS
          • SQL Server Spatial
          • WFS Server
          • WKB or WKT in a database
        • Raster Data Sources
          • ECW - JPG2000
          • GDAL - Geospatial Data Abstraction Library
          • ArcGIS REST
          • JMap Server
          • OpenStreetMap
          • WMS server
          • WMTS Server
      • Resources: Metadata templates
      • Resources: Projects
        • Creating Projects
          • Multilingual Projects
          • Vector tiles in JMap
        • Configuring Projects
          • Project Permissions
          • Managing Layers
            • Organizing Layers
          • Attribute Queries
            • Attribute Query Forms
          • Image Producer
          • JMap Extensions Compatible with JMap NG or JMap Survey
        • Sharing the Project
        • Managing Projects
      • Resources: Style Templates
        • Creating Style Templates
        • Managing Style Templates
      • Resources: Personal Layers
      • Resources: Layers
        • Creating Layers
        • Configuring Layers
          • Layer Permissions
          • General Settings
          • Dynamic Filters
          • Style
          • Thematics
          • Labels
          • Mouseover
          • Information Reports
          • Forms
            • Configuring Forms
            • Creating Forms
              • Layer Attributes Forms
              • Database Forms
          • JMap Extensions
        • Sharing Layers
      • JMap Server Applications
        • Deployment: Classical JMap applications
          • JMap Pro Applications
          • JMap Web Applications
            • Using a GeoWebCache Server
          • WFS and WMS Services
          • Managing Deployed Applications
          • Downloading Services
        • New generation JMap applications
      • Tools
        • SQL Console
        • Import / Export
          • User Data
        • Scheduler
        • Messaging
        • Debugging tools
      • JMap Server Extensions
        • Installed Extensions
        • Marketplace
      • JMap Server
        • JMap Server Status
        • Sessions
        • Security
          • Users and Groups
            • User Managers
              • JMap DB user manager
              • Composite user manager
              • Active Directory user manager
              • JMap LDAP user manager
              • OpenID Connect (OIDC) user manager
              • SAML2 user manager
            • Single Sign-On for JMap Pro
          • Managing Permissions
          • Using HTTPS with JMap
        • Log Files
        • Usage Statistics
        • JMap Server Settings
    • Technical Specifications
    • Installation Guide
    • Installing and Starting JMap Server (with installer)
    • Installing and Starting JMap Server (in a Docker container)
    • Migration Guide to JMap Server Lima
  • Applications
    • JMap Server Applications
    • JMap Pro User Guide
      • Introduction
        • User Interface
        • Navigating on the Map
        • Map Management
        • Map Settings
      • Map Layers
        • Layer Management
        • Elements Explorer
        • Thematic Maps
        • Layer Metadata
        • Layer Settings
          • General
          • Style
          • Thematics
          • Labeling
          • Mouseover
          • Filters
          • Advanced
        • Editable Layers
          • Editing Data
          • Personal Layers
      • Tools
        • Labeling
        • Interactive Selection
        • Information
          • Information Report
          • Geometry Information
          • Mouseover
        • Snap
        • Measurement
        • Search Tools
          • Attribute Queries
          • Spatial Queries
        • Collaboration Tools
          • Map Contexts
          • Sharing Maps
          • Printing Maps
      • Application Settings
      • Keyboard and Mouse Shortcuts
    • JMap NG User Guide
      • Introduction
        • Connecting to JMap NG
        • User Interface
        • Navigating on the Map
        • Profile and User Settings
      • The Data
        • The Layers Panel
        • Data Layers
          • Displaying Layers
          • Thematics
          • Layer Information
          • Geographic Extent of the Layer
          • Filter Elements on the Map
          • Making Layer Elements Selectable
      • I Wish to...
        • Display Element Information
          • Tooltips
          • Information Reports
        • Perform Searches
        • Select Elements on the Map
        • Measure Distances and Surfaces
        • Add Annotations to the Map
        • Edit Data
        • Create and Manage Customized Maps
        • Export / Print a Map
    • JMap Survey User Guide
      • Introduction
        • Working With an iOS Device
        • Working With an Android Device
        • Logging In
        • User Interface
      • The Data
      • I Wish to...
        • Access Information Associated With an Object
        • Perform Searches
        • Create Objects
        • Modify Objects
        • Work in Offline Mode
        • Synchronize Data with JMap Server
        • Log Out
    • JMap Web
      • JMap Web User Guide
  • Extensions
    • Edition
      • User Interface
      • Basic Concepts
      • I Wish to...
        • Edit Layers Geometries
          • Edition Tools
          • Selecting Elements
          • Node and Polygon Operations
          • Vertical Position and Element Duplication
          • WKT Geometries
        • Perform Spatial Operations
          • Geoprocessing
          • Spatial Tools
    • Export
    • Import
      • Importation Procedure
        • Importing MIF Files
        • Importing SHP Files
        • Importing CSV Files
        • Importing NMEA Data
        • Importing Data From WMS
    • Documents
      • Configuring JMap Documents
        • Selecting Data Sources to Associate Documents with
        • Configuring Document Depots
        • Managing repositories
        • Making Documents available in apps
      • Documents for JMap Pro
        • Graphical Interface
        • Associating Documents with Map Elements
        • Searching for Documents
        • Displaying the List of Documents Associated with Elements
      • Documents for JMap NG
        • Graphical Interface
        • Searching for Documents
        • Showing Selected Documents
      • Documents for JMap Survey
    • Tracking
      • Administrator
      • User
    • JMap NG Configuration
      • Configuration
  • Developer
    • JMap Server REST API
    • JMap Admin REST API
    • JMap Pro / Server API
    • JMap Web API
    • JMap Server SDK
    • JMap NG Developer Manual
      • Startup Options
      • Extensions
      • Examples
        • Start the JMap NG Core library
        • Start the JMap NG App
        • Add a JMap NG App extension
        • Toggle a JMap layer visibility
        • Add a layer to display custom data from GeoJSON file
        • Locate and select features by attribute query
        • Add an event on move end
        • Add attributions on the map
        • Locate and select feature by id
        • Locate and select feature(s) by location
        • Custom mouseover on a layer
        • Create a custom form in a div
      • Changelog
  • Knowledge Base
    • Knowledge Base
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  • Preparing projects to work with new generation applications
  • JMap NG Applications
  • JMap Survey Applications
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  1. Administrator
  2. JMap Server Administrator Manual
  3. JMap Server Applications

New generation JMap applications

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New generation applications such as JMap NG and JMap Survey connect to the JMap Web API to access projects. They are built on technologies that allow them to evolve over time and to be fully customized by the developers of client organizations.

The JMap administrator does not need to configure a deployment, as would be the case with traditional applications; the applications connect to and consume the projects directly.

While this simplifies the administrator’s work since there is no deployment to elaborate, it is critical to follow project configuration best practices to ensure the optimal performance and relevance of the new generation applications.

Indeed, for applications of this type, projects must be designed with a view to their end use. A single project can be disseminated in several different traditional applications based on specific needs, but it is disseminated directly and in its entirety in new generation applications.

JMap’s new generation applications work with vector data organized into vector tiles, resulting in a heavy workload for the Web browser, contrarily to JMap Web, for example, whose workload is mostly handled by JMap Server.

If the deployed traditional applications can be hosted in a proxy, in the case of new generation applications, JMap’s Web APIs are hosted in a proxy.

The Mapbox vector tiles used in new generation applications ensure smooth image rendering, while also offering smooth and efficient three-dimensional navigation.

Using Mapbox vector tiles does however bring some limitations to applications such as the requirement to use the Web Mercator projection system, more precisely the reference system.

The project may have another projection system, but when generating vector tiles by Mapbox, the vector data is reprojected to ESPG:3857. If the raster data does not have a version in this system, it is also reprojected which can affect application performance. The section provides details on this topic.

Preparing projects to work with new generation applications

Some practices make projects more appropriate for use with new generation applications:

  • The project must be designed based on its end use; each NG application must open the entire project.

  • A project with few layers makes it easier to display the application by reducing the Web browser’s workload.

  • Generating vector tiles can take a certain amount of time, depending on the size of the data. Vector tiles are generated for specific zoom levels (approximately 20). Each tile contains the data describing the geometries and attributes. They are light and allow the style to be changed on the fly when a user is browsing the map.

    You can create tile caches for projects. This contains the detailed procedure to produce vector tile caches.

JMap NG Applications

JMap NG applications open in a Web browser. They can be used to display data two and three-dimensionally, to navigate the data three-dimensionally, to query, measure and edit editable data, and to create and print customized maps.

The administrator must provide the URL of the NG service to users. The users will then be able to access the JMap server’s projects based on the permissions for each project.

The URL is in the following form: http://SERVERADDRESS:PORT/services/ng where SERVERADDRESS:PORT is the IP address or domain in which JMap Server is installed. Here are two examples:

  • https://jmap7dev.jmaponline.net/services/ng

  • http://192.168.0.106:8080/services/ng

JMap Survey Applications

JMap Survey applications are mobile applications that are used to collect data in the field in offline mode (without Internet access). This application replaces the traditional JMap Mobile application.

Similarly to JMap NG, JMap Survey allows the user to connect to a specific project from a JMap server.

The administrator must then provide the URL of the JMap Server server and the name of the project to users so that they can connect to the application.

The offers other options to initiate JMap NG.

documentation for developers
EPSG:3857
article
Multiple Coordinate Reference Systems