Model:TopoToolbox: Difference between revisions
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|ModelDomain=Hydrology | |ModelDomain=Terrestrial, Hydrology | ||
|Spatial dimensions=2D | |Spatial dimensions=2D | ||
|Spatialscale= | |Spatialscale=Landscape-Scale, Regional-Scale, Watershed-Scale | ||
|One-line model description=A set of Matlab functions for topographic analysis | |One-line model description=A set of Matlab functions for topographic analysis | ||
|Extended model description=TopoToolbox provides a set of Matlab functions that support the analysis of relief and flow pathways in digital elevation models. The major aim of TopoToolbox is to offer stable and efficient analytical GIS utilities in a non-GIS environment in order to support the simultaneous application of GIS-specific and other quantitative methods. With version 2, TopoToolbox adds various tools specifically targeted at tectonic geomorphologists such as Chiplots and slopearea plots. | |Extended model description=TopoToolbox provides a set of Matlab functions that support the analysis of relief and flow pathways in digital elevation models. The major aim of TopoToolbox is to offer stable and efficient analytical GIS utilities in a non-GIS environment in order to support the simultaneous application of GIS-specific and other quantitative methods. With version 2, TopoToolbox adds various tools specifically targeted at tectonic geomorphologists such as Chiplots and slopearea plots. | ||
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|Town / City=Potsdam-Golm | |Town / City=Potsdam-Golm | ||
|Postal code=14476 | |Postal code=14476 | ||
|Country=Germany | |Country=Germany | ||
|Email address=w.schwanghart@geo.uni-potsdam.de | |Email address=w.schwanghart@geo.uni-potsdam.de | ||
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|Start year development=2008 | |Start year development=2008 | ||
|Does model development still take place?=Yes | |Does model development still take place?=Yes | ||
|DevelopmentCode=Active | |||
|DevelopmentCodeYearChecked=2020 | |||
|Model availability=As code | |Model availability=As code | ||
|Source code availability=Through CSDMS repository | |Source code availability=Through CSDMS repository |
Revision as of 09:30, 31 March 2020
TopoToolbox
Metadata
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Introduction
TopoToolbox provides a set of Matlab functions that support the analysis of relief and flow pathways in digital elevation models. The major aim of TopoToolbox is to offer stable and efficient analytical GIS utilities in a non-GIS environment in order to support the simultaneous application of GIS-specific and other quantitative methods.
History
See the readme file in the distribution.
References
Nr. of publications: | 36 |
Total citations: | 1284 |
h-index: | 12 |
m-quotient: | 0.8 |
Featured publication(s) | Year | Model described | Type of Reference | Citations |
---|---|---|---|---|
Schwanghart, Wolfgang; Kuhn, Nikolaus J.; 2010. TopoToolbox: A set of Matlab functions for topographic analysis. Environmental Modelling & Software, 25, 770–781. 10.1016/j.envsoft.2009.12.002 (View/edit entry) | 2010 | TopoToolbox |
Model overview | 326 |
Schwanghart, W.; Scherler, D.; 2014. Short Communication: TopoToolbox 2 – MATLAB-based software for topographic analysis and modeling in Earth surface sciences. Earth Surface Dynamics, 2, 1–7. 10.5194/esurf-2-1-2014 (View/edit entry) | 2014 | TopoToolbox |
Model overview | 780 |
See more publications of TopoToolbox |
Issues
TopoToolbox is optimized for small data sets (grid size less than 2000 columns x 2000 rows, depending on your available main memory). This short-coming is due to various issues. First of all, Matlab loads all variables in the main memory and does not work on a file basis (such as ArcGIS for example does). Second, Matlab performs best for double precision data and sparse matrix operations currently only support for double precision data. Hence, all variables are stored as double precision, which requires large memory. 64-bit computers may overcome many of these weaknesses.
Help
There are a couple of short documents (userguide_xxx.m) including html-files in the distribution. Each function contains a comprehensive help section with syntax explanations and examples. For additional help, tipps and tricks, and news, please read my blog at http://topotoolbox.wordpress.com/
Input Files
There is a example file included in the distribution (srtm_bigtujunga30m_utm11.tif). Your own data should have the ESRI ArcGIS ASCII raster or Geotiff format and can be read using the function GRIDobj.
Output Files
Output can be written as ESRI ArcGIS ASCII raster and Geotiff format.
License notice
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.