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@@ -6,17 +6,22 @@ A QGIS plugin for different Geovita custom processing algorithms. This plugin is
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**New algorithms are added to this repo as they are developed, and new releases published!**
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Status
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Status and Limitations
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=====
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- Implemented [REMEDY GIS RiskTool](https://github.com/norwegian-geotechnical-institute/REMEDY_GIS_RiskTool) to run from QGIS processing
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- 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).
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- 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 below).
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- Supported filetypes: `.shp`
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- If you have an "in memory" layer or other fileformats you will need to save it to a `.shp` file. This is a restriction imposed by the underlaying submodule.
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- Projection of layers:
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- All layers `need the same projection` before you can run the algorithms
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- The algorithm does not (yet) reproject layers. This means you have to do it manually first.
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Tools
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=====
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-**REMEDY GIS RiskTool**
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-**REMEDY GIS RiskTool** - These algorithms create a log directory in this location `%user%/Downloads/REMEDY`. For the moment this is hardcoded.
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-`Begrens Skade - Excavation` The Begrens Skade - Excavation algorithm provides a comprehensive analysis of building settlements and risks associated with subsidence and inclination.
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-`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.
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-`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 (this alg. takes a bit of time to run, open the log and refresh it to see the logged progress).
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-`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.
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QGIS Plugin
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The plugin adds a new group to the Processing Toolbox for "Geovita", containing sub-groups with tools and algorithms to perform different tasks.
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If you enconter bugs of any sort, PLEASE consider reporting them through [the bugtracker at GitHub](https://github.com/danpejobo/geovita_processing_plugin/issues). Everyone benefits!
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Specifications
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==============
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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!
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- Class A is the best and D the worst.
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- If i cell contains `-` it only means that this field only have 2 possible values.
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| B | Raft | Reinforced concrete | Good |
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| B | Betong | B - Armert betong | B - God tilstand |
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| B | B - På løsmasser - Hel plate (betong, såle) | - | - |
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| C | Strip | Mixed |- |
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| C | Grunnmur | C - Tre eller varierende |- |
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| C | Strip | Mixed |Medium|
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| C | Grunnmur | C - Tre eller varierende |C - Brukbar tilstand|
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| C | C - På løsmasser - Stripefundament (heller) | - | - |
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| D | Wooden piles | Masonry | Medium |
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| D | Trepeler | D - Murstein eller spesiell type | C - Brukbar tilstand |
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| D | D - På løsmasser - Punkt- og trefundamenter (banketter) | - | - |
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| D | Wooden piles | Masonry | Bad |
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| D | Trepeler | D - Murstein eller spesiell type | D - Dårlig |
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| D | D - På løsmasser - Punkt- og trefundamenter (banketter) | - | - |
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## Results
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The following images show some example results. Both the excavation and the tunnel algorithm produces results for short and/or longterm settlements, but uses different calculation methods. The impact map calculates and illustrate total settlements in the impaced soil around the excavation.
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| Loaded Layers | Short term | Long term | Impact map |
| <br><br> The symbology of the loaded layers | <br><br> Blue hatch is the excavation. Status of corners, walls and buildings | <br><br> Blue hatch is the excavation. Dark background is the depth to bedrock raster used for long term settlements. | <br><br> Red hatch is the excavation. The impact map for total settlements around the excavation. |
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