Interface Overview

QGas consists of a Desktop GUI for server management and a web-based map interface for data visualization and editing. This overview provides a brief description of each interface element.

Desktop GUI

QGas Logo and Branding - Displays TU Graz and IEE logos with version information.

Server Status LED - Real-time indicator showing server status (red = stopped, green = running).

Start Server Button - Initializes the HTTP server on port 8000.

Open Map Button - Launches the interactive map interface in the default web browser.

Stop Server Button - Safely shuts down all server connections.

Information Panel - Displays technical details including ports, URLs, and working directory.

Project Selection Dialog - Dropdown menu to select from available projects in the Input/ folder.

Web Interface

Interactive Map - Leaflet.js-based map with OpenStreetMap tiles for panning and zooming.

Logos (Top-Left) - Visual branding elements for QGas, TU Graz, and IEE.

Cite This Project Button - Opens citation information dialog.

Data and Licensing Button - Displays licensing information for the current project.

Documentation Button - Opens this documentation in a new browser tab.

Tools Button - Opens the comprehensive toolbox popup with 15+ specialized editing tools.

Active Tool Display - Shows the currently selected tool below the Tools button.

Screenshot Button - Activates clean screenshot mode by hiding all UI elements.

Export Button - Opens export dialog with three modes: complete dataset, filtered data, or changes only.

Groups Button - Opens panel to view and manage grouped pipeline segments.

Filter Button - Opens panel to filter data by country or other geographical attributes.

Options Button - Opens customization panel for colors, sizes, and map styling.

Legend Panel - Shows all infrastructure types with checkboxes to toggle visibility.

Select All Button - Toggles all legend layers on or off simultaneously.

Statistics Button - Opens statistical overview window with element counts and pipeline analytics.

Remove Button - Activates Remove Mode; clicking a legend entry permanently deletes that layer from the project.

Rename Button - Activates Rename Mode; clicking a layer name opens an inline editor to change its display name.

Contributor Input Box - Text field to enter contributor name for tracking changes.

OSM Attribution - OpenStreetMap copyright notice in the bottom-right corner.

Keyboard Shortcuts

• ESC - Exit current mode (screenshot, tool, etc.)
• Ctrl + Mouse Wheel - Zoom map
• Ctrl + F5 - Hard refresh (clear cache)