Getting QGIS processing script field calculator error?
Hiking & ActivitiesHow do I use the field calculator in Qgis? Quote from video: And go to open attribute. Table. Then next I want to click on the pencil button here that will toggle edit mode on this is what it looks like when it's on if. How do I change processing settings in Qgis? The Processing
Measurement accuracy for small distances – geodesic vs. planar UTM WGS84
Hiking & ActivitiesShould I use planar or geodesic? Geodesic distance always produces a more accurate result and is the recommended method, unless speed is more important than accuracy. The difference between planar and geodesic calculations of distance and direction varies with map projection and size of the study area. What is the difference between UTM and WGS84?
Intersecting polygons with raster in PostgreSQL using PostGIS and pg_raster
Hiking & ActivitiesCan you store raster in PostGIS? The raster data type in PostGIS can be used to store any kind of raster data: images, elevation grids, model outputs, and more. One band, four band, multi-band and anything in between. This flexibility leads some beginners to dump all their imagery into the database as “step one” in
Labels based on spatial location
Hiking & ActivitiesWhat are GIS labels? In ArcGIS Pro, labeling refers specifically to the process of automatically generating and placing descriptive text for features in maps and scenes. A label is a piece of text on the map that is dynamically placed and whose text string is derived from one or more feature attributes. What are the
Can’t connect to QGIS 2.18 plugin repository
Hiking & ActivitiesHow do I access QGIS plugins? Open QGIS. Click on Plugins ‣ Manage and Install Plugins…. to open the Plugins dialog. Even if this is your first time using QGIS, you will see a lot of plugins listed under the Installed tab. This is because they are Core Plugins and were installed during QGIS installation.
Representing channel characteristic data
Hiking & ActivitiesWhat are the characteristics of channel? Channels can be characterized by measurements of width (w), depth (d), and velocity (v) which make up SEDIMENT TRANSPORT; also pr Vol. VI, FLUVIAL SEDIMENT TRANSPORTdischarge (Q), flow resistance (n) and slope (s). The most useful parameter for describing channel shape is probably the width-depth ratio, w/d. What are