3. TWW User Guide

This represents a guide on how to collect data in TWW (digitizing), edit existing data and use various tools like length profile, network following and plan plotting.

• 3.1. Overview of TWW
  • 3.1.1. Introduction and Overview
  • 3.1.2. Layers explanation
    • 3.1.2.1. Main layers
    • 3.1.2.2. Wastewater Structures
    • 3.1.2.3. Maintenance events tww_app.vw_tww_maintenance
    • 3.1.2.4. Value Lists tww_vl.*
    • 3.1.2.5. Hydraulic
    • 3.1.2.6. Topology
    • 3.1.2.7. Catchment tww_od.catchment_area
  • 3.1.3. Naming conventions
    • 3.1.3.1. Schemas in the TWW-Database
    • 3.1.3.2. Layer names
    • 3.1.3.3. Attribute names
  • 3.1.4. TWW-project properties and settings
    • 3.1.4.1. Project Properties
    • 3.1.4.2. Map Themes
    • 3.1.4.3. Layer Order
• 3.2. Digitizing in TWW
  • 3.2.1. Data entry
    • 3.2.1.1. The TWW wizard
    • 3.2.1.2. QGIS standard tools
  • 3.2.2. Digitizing Wastewater Structures
    • 3.2.2.1. General
    • 3.2.2.2. Digitizing
    • 3.2.2.3. Further attributes and classes
    • 3.2.2.4. Geometry synchronization
  • 3.2.3. Digitizing detailed geometry
    • 3.2.3.1. General
    • 3.2.3.2. Digitizing tool
  • 3.2.4. Digitizing Detailed Geometry as Drainage Channel
    • 3.2.4.1. General
    • 3.2.4.2. Digitizing tool
  • 3.2.5. Digitizing Channels
    • 3.2.5.1. General
    • 3.2.5.2. Digitizing
    • 3.2.5.3. Further attributes and classes
    • 3.2.5.4. Geometry synchronization
  • 3.2.6. Deleting objects
    • 3.2.6.1. Delete Reach
    • 3.2.6.2. Delete Manhole or other Wastewater Structure
    • 3.2.6.3. Delete Wastewater Structure, but keep the wastewater_node and the connections to the wastewater_node
    • 3.2.6.4. Delete Cover
    • 3.2.6.5. Delete Structure parts
    • 3.2.6.6. Delete detailed geometries
  • 3.2.7. Digitizing Catchment Areas
    • 3.2.7.1. General
    • 3.2.7.2. Digitizing
    • 3.2.7.3. Editing
    • 3.2.7.4. Split Areas
    • 3.2.7.5. Merge Areas
    • 3.2.7.6. Connect Catchment area to Wastewater Network Nodes
  • 3.2.8. Importing data
    • 3.2.8.1. General
    • 3.2.8.2. Example Importing manholes from a TXT-File:
    • 3.2.8.3. Example Importing manholes with attributes:
• 3.3. Editing in TWW
  • 3.3.1. Editing of existing data
    • 3.3.1.1. Demo project (chapter / pictures not adjusted to TWW)
    • 3.3.1.2. Layers
    • 3.3.1.3. Changing attributes of point elements (manholes / special structures)
    • 3.3.1.4. Changing attributes of linear elements (channels)
    • 3.3.1.5. Change reach direction
    • 3.3.1.6. Snap reach geometry
    • 3.3.1.7. Working with codes of value list
    • 3.3.1.8. An other way to choose an object
    • 3.3.1.9. Adding additional covers and nodes to an existing wastewater structure
    • 3.3.1.10. Adding a wastewater node to an existing reach
    • 3.3.1.11. Change multiple records at once
    • 3.3.1.12. Saving changes
    • 3.3.1.13. Changing Wastewater Structure Type (ws_type)
    • 3.3.1.14. Split a reach (channel) into different reaches
  • 3.3.2. Moving Wastewater Structures with Reaches, Covers and Nodes
    • 3.3.2.1. General
    • 3.3.2.2. Moving a manhole
    • 3.3.2.3. Moving a cover / a node
    • 3.3.2.4. Moving a reachpoint
    • 3.3.2.5. Video Tutorial (outdated)
  • 3.3.3. Adding or Editing of Maintenance Events
    • 3.3.3.1. General
    • 3.3.3.2. Adding a new Maintenance Event
    • 3.3.3.3. Link an existing Maintenance Event
    • 3.3.3.4. Unlink Maintenance Events
    • 3.3.3.5. Editing
    • 3.3.3.6. Multi Edit
  • 3.3.4. Connect Wastewater Network Elements
    • 3.3.4.1. General
    • 3.3.4.2. How to connect reaches to nodes or reaches to reaches
    • 3.3.4.3. Video Tutorial (not adapted for TWW)
    • 3.3.4.4. How to delete a connection
• 3.4. Length profiles
• 3.5. Network following tools
  • 3.5.1. Refresh network topology
  • 3.5.2. Upstream
  • 3.5.3. Downstream
  • 3.5.4. Sum up upstream
  • 3.5.5. Flow times downstream
• 3.6. Plan plotting
  • 3.6.1. General
• 3.7. History in TWW
  • 3.7.1. History viewer
    • 3.7.1.1. Plugin configuration
    • 3.7.1.2. Database configuration
    • 3.7.1.3. Usage
    • 3.7.1.4. Replay function
• 3.8. How To
  • 3.8.1. Setting default values
  • 3.8.2. How vw_tww_wastewater_structure labels work
  • 3.8.3. How to translate a label prefix (C, B, I, O)
  • 3.8.4. How to check if triggers are active
  • 3.8.5. How to run symbology functions manually
  • 3.8.6. Manual Label-positioning for different scales
  • 3.8.7. How to import existing label-positions
  • 3.8.8. Collecting a hydr_geometry (corresponds to a basin geometry in Mike+)
  • 3.8.9. Hydraulic modeling of an overflow (prank weir / leapingweir / pump)
  • 3.8.10. Overflow characteristic
  • 3.8.11. Further informations