What is the difference between Vector and Raster data models?
vector data model: [data models] A representation of the world using points, lines, and polygons. Vector models are useful for storing data that has discrete boundaries, such as country borders, land …
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 generalization …
Triangulated Irregular Network (TIN) as a type of data in GIS
Oct 7, 2023 · 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 know that TIN is a …
Reclassifying vector data into existing field using ArcGIS Pro ...
Jul 22, 2025 · Using ArcGIS Pro 3.5 and ModelBuilder using Vector data. I have a model that uses the "Iterate Feature Selection" tool to select by watershed and then use the "Reclassify" tool to break the …
topology - What is nontopological geometry? - Geographic …
Sep 18, 2015 · A shapefile stores nontopological geometry and attribute information for the spatial features in a data set. The geometry for a feature is stored as a shape comprising a set of vector …
Separation of DSM as Building DSM and Canopy Height Model in QGIS
Oct 23, 2023 · 3 I am currently trying to separate the DSM as Building DSM and Canopy Height Model. I also have DTM, Building Footprint data. Digital Surface Model Building Footprints. For separation I …
What is the difference between Coverage, Shapefiles and …
Sep 16, 2014 · The "whole shape" storage model is the key difference between coverage format and the new ones, and this difference is so fundamental that it's hard to see any real difference between the …
Add vector data to TIFF imagery QGIS - Geographic Information …
Dec 29, 2021 · I have vector data with field (id,name) and image GeoTIFF format, this two data of the same place. I want to add name data to each pixel corresponds. how to do it when I click to any pixel …
Creating DEM from Point Data using QGIS? - Geographic Information ...
Aug 9, 2019 · I created a raster-layer from the shapefile and used the contour-tool to create level-contours. Unfortunately they seem to be lines instead of polygons. When I use the tool line-to …
Export 3d model from qgis2threejs with vector data
Oct 31, 2018 · Im trying to export a 3d model from qgis2threejs plugin in Qgis, but all I've managed is to export my DEM, without any data. Is it possible to export a 3d model in some of its extensions (STL, …