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Results tagged with flood
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user 934
A flood is an overflow of water that submerges land which is usually dry. Within GIS we often want to model a flood with terrain models.
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Advice on Flood mapping of village area
Flood defence structures such as embankments
Structures that control/influence flow such as sluice gates, weirs
Who is going to be affected, so buildings (type residential/business), infrastructure such …
- 44.6k
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Creating flood area based on connected pixels of DEM in ArcGIS Desktop?
There is almost certainly a tool out there that does this but I guess it is finding the right search term, try flood modelling or flood routing? … For example the ever awesome Whitebox GAT gis system (which amazingly is free) has a tool call flood order... …
- 44.6k
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Runtime in ArcPy versus ArcGIS Pro
I would say your first script is perfect for parallelising as no processing of a raster relies on any other dataset. You need to explore the python multiprocessing module. There are numerous sites and …
- 44.6k
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Seeking vector file of extent of flood plain of 2010 Pakistan Floods?
That being said, you may not be aware of the Dartmouth Flood Observatory which contains global historical flood data, maybe even your Pakistan flood. …
- 44.6k
2
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Editing TIN surface by polygon using ArcMap
The short answer is Yes, but creating and editing a TIN surface is beyond the scope of this site, you need to be training yourself if you are asking such questions. As you have tagged this as an ArcMa …
- 44.6k
0
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Creating a layer showing difference before/after flood (raster)
So you have created two rasters the before and after flood event and you want to exclude in your after event raster all the pixels that were already water, as identified in your before raster. … Logically anything that is 2 must have had water prior to the flood event. You would then use the SetNull to set any pixels that are 2 to NODATA. …
- 44.6k