1
vote
1answer
93 views

Adding new vector layer. Should .shp file only be added or .shp plus corresponding .shx, .dbf, etc.?

I am a very definite QGIS newbie. I have been creating a map using files that had been used in ArcGis. Each time I wanted to add a new vector layer I opened an .shp file and specified CRS as WGS 84. ...
0
votes
2answers
101 views

Calculating distance to a feature from a reference line

I have multiple shapefiles, each containing a coastline for a specific year. I want to calculate the perpendicular distance to the shoreline from a fixed vertical reference line. Please recommend me ...
2
votes
1answer
420 views

How to meassure the length of common edges between polygons?

I have a shapefile that contains several polygons which in fact represent the limits of several counties. My task is to find each length of each shared border. So in other words I want to know how ...