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r.to.vect - GRASS GIS manual
r.to.vect extracts vectors (aka, "arcs") from a raster map. These arcs may represent linear features (like roads or streams), or may represent area edge features (like political boundaries, or soil mapping units).
See results only from grass.osgeo.orgVector data processing in G…
GRASS GIS vector map exchange between different projects (same projection) can …
GRASS GIS 8.3.3dev Refer…
Imports vector data into a GRASS vector map using OGR library and reprojects …
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How to vectorize a Raster-Classification? (QGIS, …
Jan 18, 2017 · You can use GRASS r.to.vect. There is already a question (and answer) for that, here. UPDATE. Newer versions of QGIS also provide a …
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Vector data processing in GRASS GIS
GRASS GIS vector map exchange between different projects (same projection) can be done in a lossless way using the v.pack and v.unpack modules. The naming convention for vector maps …
GRASS GIS 8 Programmer's Manual: GRASS Vector Library
- Generally, the vector data model is used to describe geographic phenomena which may be represented by geometric entities like points, lines, and areas. The GRASS vector data model includes the description of topology, where besides the coordinates describing the location of the primitives (points, lines, boundaries, centroids, faces, kernels, and v...
fasterRaster: Faster Raster and Spatial Vector Processing Using …
Dec 9, 2024 · Faster raster processing in R using GRASS GIS. Value added: fasterRaster complements terra and sf, and is highly dependent on them! It is useful for analyzing large-in …
GRASS GIS 8.3.3dev Reference Manual
Imports vector data into a GRASS vector map using OGR library and reprojects on the fly. Creates a vector map from an ASCII points file or ASCII vector file.
Vector data processing in GRASS GIS - The Public's Library and …
In GRASS, the following vector objects are defined: point: a point; line: a directed sequence of connected vertices with two endpoints called nodes; boundary: the border line to describe an …
GRASS GIS manual: r.to.vect - The Public's Library and Digital …
The r.to.vect program extracts data from a GRASS raster map layer and stores output in a new GRASS vector file. Lines r.to.vect assumes that the input map has been thinned using r.thin .
GRASS Vector Format — GDAL documentation
The GDAL-GRASS driver can read GRASS GIS vector maps. The driver is maintained at the GDAL-GRASS GIS driver repository . For the driver documentation, please visit the GDAL …
GRASS - Will r.to.vect work on this scanned map?
The question is, to those with a trained GRASS eye, would r.to.vect even work on a scan like the sample below? I need to get the curved lines out to vectors. I'm wanting some educated eyes …
Top Grass Datasets and Models | Roboflow Universe
Top Grass Datasets and Models. The datasets below can be used to train fine-tuned models for grass detection. You can explore each dataset in your browser using Roboflow and export the …
Digitizing Vector Maps - GRASS GIS
There are two ways of vectorizing maps (AKA digitizing): digitizing on-screen. In the first case the map is placed on the digitizer, the corners are selected by a mouse click and the respective …
Understanding vectorization. Introduction | by Michaël Scherding
May 16, 2024 · Vectorization transforms text into numerical representations that machine learning algorithms can efficiently process. By using a simple Pokémon corpus, we’ve demonstrated …
vectorization - Grass GIS r.to.vect: Prevent neighboring cells with ...
Oct 2, 2015 · I've got different satellite image bands as GRASS rasters, which I want to convert to vector dataset. As I want to compare the IDs of the cell polygons later on, the neighboring cells …
v.generalize - GRASS GIS manual
v.generalize is a module for the generalization of GRASS vector maps. This module consists of algorithms for line simplification, line smoothing, network generalization and displacement …
Jun 7, 2022 · From 2025, Viridian will reach a production capacity of 25,000 tonnes per year of battery grade lithium hydroxide with expansion phases reaching a capacity of 100,000 tonnes …
grass gis - Preserving polygon boundaries when vectorizing raster ...
Is there a way to preserve polygon boundaries when performing raster to vector transformation according to a given polygon vector (that is, my clipper file)? I use ArcGIS, QGIS, GRASSgis, …
grass gis - Geographic Information Systems Stack Exchange
Nov 28, 2016 · I have a big problem with my vector dataset (more than 1 million entities) and v.generalize in grass 7.0.5 and 6.4 (64 bits for both). I try to use Douglas method on this …