Linked Questions

13
votes
2answers
22k views

How to copy features from a vector layer to another vector layer with only correspondent attributes in QGIS

I have two vector layers: A first one with all cadastral parcels of a region. This layer has several attributes, it's only the geometry and 3 of the attributes I'm intrested in. My second layer is a ...
7
votes
1answer
7k views

How to identify line intersection in QGIS when I have more than 2 lines?

I am trying to identify where overlaps exist between multiple shapefiles. I would use the intersect tool, but it only allows me to intersect two layers. I have over one hundred individual line ...
5
votes
1answer
5k views

Merging polygon and line shapefiles into one using QGIS?

I have two shapefiles: One is a line feature of the rivers and waterways of London, the other is a polygon feature of the reservoirs, lakes and ponds of the same area. Is it possible please to merge ...
5
votes
1answer
1k views

Merging multiple vector layers to one layer with multiple geom types with QGIS

I have a situation where I need to merge a large number of spatial files into a single output with a free tool like QGIS, rather than FME or Alteryx. Along the lines of this post: Merging multiple ...
4
votes
1answer
677 views

Merging lines (with and with no overlaps) in QGIS

I have two layers ("Layer_1" and "Layer_2") of lines where they sometimes overlap and follow each other for a bit and then takes another route (see the image below). "Layer_1": Red line "Layer_2": ...
4
votes
1answer
5k views

How to merge attribute table properties from one layer to another in QGIS?

I am using QGIS 2.2.3 (Lyon). I have a vector layer with a linked attribute table. In order to do multiple tests on the layer, i created a copy in a new layer. The attribute table on this new layer is ...
2
votes
2answers
885 views

Union polygons attribute table QGIS

I have 7 shapefiles over an agricultural area. All of them have the same attributes (province code, polygon code, crop, etc.). I want to combine them to have only 1 shapefile. I have used the "union" ...
2
votes
1answer
251 views

Make a new shapefile from parts of two shapefiles

I have tried all day to connect two shapefiles, crop a part of them, and save it into a new Shapefile. In the image you can see two Shapefiles and inside of the square is the part which I want to ...
2
votes
1answer
523 views

Closing of open contour lines

I clipped a big DEM to a smaller one to reduce the DEM to the area I need. Now i want to show the different heights in different colors. I did the contour lines. Due to the clipping, the contour lines ...
2
votes
1answer
171 views

How to combine a road network to multiple shapefiles with no shared attributes

I am trying to create an agent-based model and I need a .CSV file that contains the attributes of a routable road network and a number of other shapefiles I have. I have the following: Ordnance ...
2
votes
1answer
3k views

How to merge way points from many GPX files?

I have a large number of Waypoint-layers (gpx) and would like to merge them. Is there a way to do so using QGIS?
2
votes
1answer
413 views

How to merge shapefiles of two countries with QGIS [duplicate]

I want to merge the shapefile of Nigeria and Cameroon admin level 1. I downloaded the files from gadm but I cannot merge the files with QGIS or find a shapefile of Africa having countries at states ...
2
votes
0answers
111 views

How to union linestring data distributed on multiple layers?

I have four shapefiles. Each contains a linestring as shown in the image. Each shapefile is represented as its own layer in QGIS. I would like to union these linestrings into one polygon which ...
1
vote
1answer
514 views

Identifying differences in polygons across shape files

I am trying to compare the 2000 Census county boundaries with the 2010 Census county boundaries. Each county is uniquely identified in a given year by a FIPS code and I want to compare if the polygon ...
1
vote
1answer
296 views

Export multiple shapefiles to one DXF file using Python

I'm trying to convert shapefiles into one DXF file using pyqgis, I started with one layer, the problem is that I can't open the DXF file after conversion. I've tried two approaches but still getting ...

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