#whiteboxtools — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #whiteboxtools, aggregated by home.social.
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Looking at the Stonehenge area with :qgis:
Multi-scale 'percent elevation range'.
Computed PER at 51, 17 and 7px radius, combined into R,G,B bands
Then applied a contrast stretchHelps to highlight barrows and what I suspect are old field patterns?
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Trying to take a look at ways to measure contrast and accessibility of maps.
Here, looking at OpenStreetMap tiles, and contrast
Used QGIS raster calculator to convert to greyscale (by luminance), then applied the whiteboxtools 'range filter' with a 3x3 kernel
Colourised with Rocket colour scale. Yellow and white show the highest contrast, black is areas of solid colour.
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📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools.
🌍💡Discover the benefits of #OpenSource tools over proprietary software. #QGIS #GIS #Hydrology #QGISHydro
https://youtu.be/s57P3GZTOTA -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools.
🌍💡Discover the benefits of #OpenSource tools over proprietary software. #QGIS #GIS #Hydrology #QGISHydro
https://youtu.be/s57P3GZTOTA -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools.
🌍💡Discover the benefits of #OpenSource tools over proprietary software. #QGIS #GIS #Hydrology #QGISHydro
https://youtu.be/s57P3GZTOTA -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools.
🌍💡Discover the benefits of #OpenSource tools over proprietary software. #QGIS #GIS #Hydrology #QGISHydro
https://youtu.be/s57P3GZTOTA -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools.
🌍💡Discover the benefits of #OpenSource tools over proprietary software. #QGIS #GIS #Hydrology #QGISHydro
https://youtu.be/s57P3GZTOTA -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools. 🌍💡Discover the benefits of #OpenSource tools over proprietary software. youtu.be/s57P3GZTOTA #QGIS #GIS #Hydrology #QGISHydro
Tools for Stream and Catchment... -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools. 🌍💡Discover the benefits of #OpenSource tools over proprietary software. youtu.be/s57P3GZTOTA #QGIS #GIS #Hydrology #QGISHydro
Tools for Stream and Catchment... -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools. 🌍💡Discover the benefits of #OpenSource tools over proprietary software. youtu.be/s57P3GZTOTA #QGIS #GIS #Hydrology #QGISHydro
Tools for Stream and Catchment... -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools. 🌍💡Discover the benefits of #OpenSource tools over proprietary software. youtu.be/s57P3GZTOTA #QGIS #GIS #Hydrology #QGISHydro
Tools for Stream and Catchment... -
📹 Check out my final video of 2024! Learn about custom workflows for stream & catchment delineation in #QGIS with tools from #GRASS, #SAGA, #PCRaster & #WhiteboxTools. 🌍💡Discover the benefits of #OpenSource tools over proprietary software. youtu.be/s57P3GZTOTA #QGIS #GIS #Hydrology #QGISHydro
Tools for Stream and Catchment... -
Day 22 Two colours
Huascarán, Peru.
The slope lines were done using a flow accumulation raster (log scale) using #WhiteBoxTools, draped over mesh and with a threshold filter applied.
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Nice to present today on #qgis for hydrological applications at @foss4geurope conference in #Tartu! I discussed processing provider plugins #pcraster #grass #saga #whiteboxtools for stream & catchment delineation. #foss4ge #ihedelft #locatepress #qgishydro. Presentation: https://talks.osgeo.org/foss4g-europe-2024/talk/VES7FV/
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Nice to present today on #qgis for hydrological applications at @foss4geurope conference in #Tartu! I discussed processing provider plugins #pcraster #grass #saga #whiteboxtools for stream & catchment delineation. #foss4ge #ihedelft #locatepress #qgishydro. Presentation: https://talks.osgeo.org/foss4g-europe-2024/talk/VES7FV/
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Nice to present today on #qgis for hydrological applications at @foss4geurope conference in #Tartu! I discussed processing provider plugins #pcraster #grass #saga #whiteboxtools for stream & catchment delineation. #foss4ge #ihedelft #locatepress #qgishydro. Presentation: https://talks.osgeo.org/foss4g-europe-2024/talk/VES7FV/
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Nice to present today on #qgis for hydrological applications at @foss4geurope conference in #Tartu! I discussed processing provider plugins #pcraster #grass #saga #whiteboxtools for stream & catchment delineation. #foss4ge #ihedelft #locatepress #qgishydro. Presentation: https://talks.osgeo.org/foss4g-europe-2024/talk/VES7FV/
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Nice to present today on #qgis for hydrological applications at @foss4geurope conference in #Tartu! I discussed processing provider plugins #pcraster #grass #saga #whiteboxtools for stream & catchment delineation. #foss4ge #ihedelft #locatepress #qgishydro. Presentation: https://talks.osgeo.org/foss4g-europe-2024/talk/VES7FV/
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Edinburgh castle rooftops. Just keeping the apexes (?) and eaves, removing any flat or sloping areas.
Using #Qgis with #Whiteboxtools, rendered in blender.
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Ward boundaries in the City of #London. #Qgis and #Blender. Derived from Defra Lidar data, applied #whiteboxtools 'time in daylight' for a skyview-factor like shading.
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Today I accidentally ran #whiteboxtools 'time in daylight' on my 'range filter' layer, rather than the DSM, and I quite liked the results....
#qgis #mapping -
Netherlands has so many interesting town layouts.
Bourtange, on the border with Germany, is an old bastion fort now containing a village.
Using AHN4 for DSM, #Qgis and #Whiteboxtools for masks and rasters, #Blender to render. #Openstreetmap used for masking water and building areas.
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In this new video, I try to address challenges with stream and catchment delineation in #QGIS. #QGISHydro #SAGA #GRASS #PCRaster #WhiteboxTools. https://youtu.be/pHYIO6beqyI?si=FOZiA8jUmNESANO8
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Going for an ascii art look. Jan Mayen, data from Norwegian Polar Institute. Done in :qgis:
Did a D8 flow pointer in #whiteboxtools. This quantizes downslope aspect to 8 directions
Create grid in #qgis. Sample the d8 raster and original dem. Style with 8 different SVG arrow markers rotated around center, using thicker arrows for SE-facing to simulate hillshade. Filter out all the points with 0 elevation to mask out the sea.
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My attempt at a shortcut to doing a relative elevation model. River Coe in Glencoe, Scotland. DEM source https://remotesensingdata.gov.scot/
Used #qgis with #whiteboxtools. Specifically, Elevation Percentile with a kernel radius of 100. This assigns a colour using rank within a 100-pixel radius neighbourhood.
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An #Edinburgh DEM, where buildings were removed, just leaving the roads and some flat areas.
Rendered in #blender. Used the #qgis #whiteboxtools algorithm 'MapOffTerrain objects' and QGIS raster calculator to mask the DEM so buildings vanish, leaving just the roads.
Camera focused on Castlehill, and pivots from facing NW to SW and back again.
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Zoomed out and close up. Elevation percentile filter in qgis (#whiteboxtools) to act as a high pass filter to highlight subtle elevation changes.
Lidar data from Defra.
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The impoundment size index (ISI) in #WhiteboxTools is great! In the image, sites that are non-impoundable by a 25-m dam are white and the darker blue a pixel is, the larger the upslope impoundment is. ISI could be used for siting #wetland construction projects, #riverrestoration, #flood modelling, #gully mapping, hydroelectric dam siting, and many other applications. #hydrology #spatialhydrology #topography #gis #gismapping #spatialanalysis #lidar
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The EmbankmentMapping tool in #WhiteboxTools, transforms how DEMs are hydrologically corrected prior to analysis. This tool modifies fine #LiDAR DEMs by mapping and optionally removing road embankments that can present problems for some modelling. #DEMMapping #TransportationModeling #GIS #geospatial #QGIS #GeoNews #geomatics #gischat #hydrology #geomorphometry
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The EmbankmentMapping tool in #WhiteboxTools, transforms how DEMs are hydrologically corrected prior to analysis. This tool modifies fine #LiDAR DEMs by mapping and optionally removing road embankments that can present problems for some modelling. #DEMMapping #TransportationModeling #GIS #geospatial #QGIS #GeoNews #geomatics #gischat #hydrology #geomorphometry
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The EmbankmentMapping tool in #WhiteboxTools, transforms how DEMs are hydrologically corrected prior to analysis. This tool modifies fine #LiDAR DEMs by mapping and optionally removing road embankments that can present problems for some modelling. #DEMMapping #TransportationModeling #GIS #geospatial #QGIS #GeoNews #geomatics #gischat #hydrology #geomorphometry
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The EmbankmentMapping tool in #WhiteboxTools, transforms how DEMs are hydrologically corrected prior to analysis. This tool modifies fine #LiDAR DEMs by mapping and optionally removing road embankments that can present problems for some modelling. #DEMMapping #TransportationModeling #GIS #geospatial #QGIS #GeoNews #geomatics #gischat #hydrology #geomorphometry
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The #WhiteboxTools Isobasins tool can be used to break landscapes into roughly equal-size sub-basins (i.e., 'isobasins'). There are many applications, but I often reach for this handy tool to map the spatial pattern of phenomena that have to be measured over an area (e.g., #relief, total #sediment #erosion/deposition, etc.), but where the boundary between the areal units of measurement must be physically meaningful. #gischat #geospatial #opensource #geopython
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The {whitebox} #Rstats #Rspatial package has been updated for #WhiteboxTools v2.3.0 and is now available on CRAN!
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#WhiteboxTools v2.3.0 was released by Dr. John Lindsay yesterday. I have updated the #Python, #Jupyter, and #ArcGIS frontends accordingly 👇
Python: github.com/giswqs/whitebox-python
Jupyter: github.com/giswqs/whiteboxgui
ArcGIS: github.com/giswqs/WhiteboxTools-ArcGISFor more info, visit whiteboxgeo.com
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I'm very excited about the possibilities of the Mega-Polis #blender plugin that @klixto has been working on. It uses the blender node plugin #Sverchok to bring in and manipulate #GIS data in blender. Already it can utilize #whiteboxtools and #pandas. Can't wait to play with it. Here is a thread on #osarch https://community.osarch.org/discussion/1260/new-plugin-for-blender-sverchok-mega-polis-a-data-driven-urban-design-toolkit-for-sverchok#latest
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I'm very excited about the possibilities of the Mega-Polis #blender plugin that @klixto has been working on. It uses the blender node plugin #Sverchok to bring in and manipulate #GIS data in blender. Already it can utilize #whiteboxtools and #pandas. Can't wait to play with it. Here is a thread on #osarch https://community.osarch.org/discussion/1260/new-plugin-for-blender-sverchok-mega-polis-a-data-driven-urban-design-toolkit-for-sverchok#latest
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I'm very excited about the possibilities of the Mega-Polis #blender plugin that @klixto has been working on. It uses the blender node plugin #Sverchok to bring in and manipulate #GIS data in blender. Already it can utilize #whiteboxtools and #pandas. Can't wait to play with it. Here is a thread on #osarch https://community.osarch.org/discussion/1260/new-plugin-for-blender-sverchok-mega-polis-a-data-driven-urban-design-toolkit-for-sverchok#latest
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I'm very excited about the possibilities of the Mega-Polis #blender plugin that @klixto has been working on. It uses the blender node plugin #Sverchok to bring in and manipulate #GIS data in blender. Already it can utilize #whiteboxtools and #pandas. Can't wait to play with it. Here is a thread on #osarch https://community.osarch.org/discussion/1260/new-plugin-for-blender-sverchok-mega-polis-a-data-driven-urban-design-toolkit-for-sverchok#latest
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I'm very excited about the possibilities of the Mega-Polis #blender plugin that @klixto has been working on. It uses the blender node plugin #Sverchok to bring in and manipulate #GIS data in blender. Already it can utilize #whiteboxtools and #pandas. Can't wait to play with it. Here is a thread on #osarch https://community.osarch.org/discussion/1260/new-plugin-for-blender-sverchok-mega-polis-a-data-driven-urban-design-toolkit-for-sverchok#latest