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| 1 | + |
| 2 | + |
| 3 | +# Geovita Processing Provider |
| 4 | + |
| 5 | +A QGIS plugin for different Geovita custom processing algorithms. This plugin is currently under development, so new features may be expected! |
| 6 | + |
| 7 | +**New algorithms are added to this repo as they are developed, and new releases published!** |
| 8 | + |
| 9 | +Status |
| 10 | +===== |
| 11 | + |
| 12 | +- Implemented [REMEDY GIS RiskTool](https://github.com/norwegian-geotechnical-institute/REMEDY_GIS_RiskTool) to run from QGIS processing |
| 13 | + - It is important to read the manual for this project. Especially if you want to perform `vulnerability analysis`. This will require you to edit the polygon layers containing the `building` features (see specifications section). |
| 14 | + |
| 15 | +Tools |
| 16 | +===== |
| 17 | +- **REMEDY GIS RiskTool** |
| 18 | + - `Begrens Skade - Excavation` The Begrens Skade - Excavation algorithm provides a comprehensive analysis of building settlements and risks associated with subsidence and inclination. |
| 19 | + - `Begrens Skade - ImpactMap` The BegrensSkade ImpactMap alorithm calculates both short-term and long-term settlements that occur due to the establishment of a construction pit. |
| 20 | + - `Begrens Skade - Tunnel` The BegrensSkade Tunnel alorithm provides a comprehensive analysis of building settlements and risks associated with subsidence and inclination due to tunnel excavation. |
| 21 | + |
| 22 | +QGIS Plugin |
| 23 | +=========== |
| 24 | + |
| 25 | +This provider functions as a QGIS plugin (for QGIS >= 3.4) and is available via the standard QGIS plugins repository, so you can install it directly from within QGIS itself. |
| 26 | + |
| 27 | +The plugin adds a new group to the Processing Toolbox for "Geovita", containing sub-groups with tools and algorithms to perform different tasks. |
| 28 | + |
| 29 | +Specifications |
| 30 | +============== |
| 31 | + |
| 32 | +It is crucial to understand the limitations of the [REMEDY GIS RiskTool](https://github.com/norwegian-geotechnical-institute/REMEDY_GIS_RiskTool) calculation methods. I would highly suggest reading the paper and the manual within the REMEDY repository. |
| 33 | + |
| 34 | +If you want to enable `vulnerability analysis` you will need some information on the buildings near the excavation/tunnel. You will need to add text fields to each feature in the building polygon layer for `Foundation`, `Structure` and `Condition`. See below for the allowed values! |
| 35 | +- Class A is the best and D the worst. |
| 36 | +- If i cell contains `-` it only means that this field only have 2 possible values. |
| 37 | +- Copy/pasete the values so they match! |
| 38 | + |
| 39 | +| Class | Foundation | Structure | Condition | |
| 40 | +|-------|---------------------------------------------------------|----------------------------------|------------------------| |
| 41 | +| A | To bedrock | Steel | Excellent | |
| 42 | +| A | Peler | A - Stål | A - Meget god tilstand | |
| 43 | +| A | A - Til berg - Direktefundamentert, peler | - | - | |
| 44 | +| B | Raft | Reinforced concrete | Good | |
| 45 | +| B | Betong | B - Armert betong | B - God tilstand | |
| 46 | +| B | B - På løsmasser - Hel plate (betong, såle) | - | - | |
| 47 | +| C | Strip | Mixed | - | |
| 48 | +| C | Grunnmur | C - Tre eller varierende | - | |
| 49 | +| C | C - På løsmasser - Stripefundament (heller) | - | - | |
| 50 | +| D | Wooden piles | Masonry | Medium | |
| 51 | +| D | Trepeler | D - Murstein eller spesiell type | C - Brukbar tilstand | |
| 52 | +| D | D - På løsmasser - Punkt- og trefundamenter (banketter) | - | - | |
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