What are Raster and Vector data in GIS and when to use?
Since most input data is in vector form, data must undergo vector-to-raster conversion. Besides increased processing requirements this may introduce data integrity concerns due to …
What is the difference between Vector and Raster data models?
In GIS, vector and raster are two different ways of representing spatial data. However, the distinction between vector and raster data types is not unique to GIS: here is an example from …
Triangulated Irregular Network (TIN) as a type of data in GIS
Oct 7, 2023 · 0 I'm taking an online GIS course of a reputed university and the instructor categorized GIS data types as Raster Vector, and Triangulated Irregular Network (TIN). Now I …
What is the vector data type of enclosed polyline?
Jul 2, 2019 · This article (Vector vs Raster: What’s the Difference Between GIS Spatial Data Types?) says apparently the same POLYGONS connect vertices and close the path When …
Is raster lossy and vector not lossy? - Geographic Information …
May 8, 2018 · First, raster is usually performed at a fixed resolution and is only lossy with some compression techniques. It's the compression technique, not the raster, which is lossy. …
editing - List of data file formats supported in QGIS including read ...
Apr 1, 2021 · 2 Is there a list of data file formats supported in QGIS, including information about read/write support? What I'm looking for is something like: Geopackage: r/w Esri Shapefile: r/w …
Converting vector layer to raster using QGIS?
Feb 20, 2016 · In qgis in the raster menu there is an item "convert vector to raster". This behaves strangely - I do not understand how it is supposed to work. I can select a vector file, an …
QGIS - Converting Vector to Raster and back to vector to resample ...
Aug 4, 2022 · The issue I face is that in the original polygon data that I convert it contains decimals like 1.87, I convert this field into a raster then when I convert this back to vector the …
raster - How to rasterize a vector dataset in R? - Geographic ...
Jul 12, 2015 · Here is a new package fasterize to speed up the conversion between polygons (here using sf object) to raster. From the polygon first you need to create normal raster to …
Combining information from raster and vector layers in QGIS?
Feb 12, 2018 · Convert the raster to vector using Raster - Conversion - Polygonize. Check the 'Field Name', so you have a field with value of elevation. Call this layer raster_polygon …