To combine two or more parts into a larger whole.

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4
votes
2answers
154 views

Problem Merging multiple shapefiles with different CRS in QGIS

I am trying to merge multiple shapefiles into one, but I encounter one error, not all of my shapefiles end up merged. I am able to load all of my shapefiles but when I attempt to merge them, the ...
1
vote
0answers
51 views

how to separate land-use type from rows to columns from one shapefile

i am new to using ArcGIS. i have one shapefile of land-use data (100 rows) that has different land-use areas for each neighborhood (which are 10 neighborhoods), what i want is to have one row for ...
3
votes
2answers
121 views

How to delete overlapping inside same polygon?

I have same polygon partially overlapped: How to delete overlapping and merge it to same area? I am using QGIS 2.4.0.
2
votes
1answer
38 views

Merging overlapping coordinates to polygons

Currently I have circa 6,700 geocoded sports club data which indicates the location of the club, the grant they received in a particular year, along with the intended sport. My shapefile consists of ...
2
votes
0answers
41 views

Roadnetwork_merging [closed]

I have a shapefile of a road network which has two lines to represent the two-way directions. My attribute consists of "fromnode", "Tonode", "length", "One-way" (every cell has a value of one here, ...
0
votes
0answers
45 views

Merge success but can not find and display in ArcMap

After I use Merge (Data Management) Tool, the results shown success, but I can not find the new merge layer neither on the ArcMap nor output file. At the same time, when I right click the new output ...
3
votes
2answers
85 views

How to rename several layers at the same time?

I have got some GPS tracks (MultiLineString). As I import them to QGIS, they look like this: I would like to merge them and to do so, I have to rename all of them like this (picture 2) otherwise an ...
2
votes
1answer
82 views

Merging Coordinate (long, lat) to a region(polygon)

At present I have sports grant data, coded by longitude and latitude. This data is broken down by amount received, as well as the intended sport. I also have various other data, broken down by ...
1
vote
2answers
85 views

How to add state polygon information to a city point?

I have the following layers: Country border federal state borders cities (located as points) I would need the following result file (txt or csv..): A column with the name of the city and another ...
1
vote
0answers
45 views

Merging multiple fields with same parcel id yet different attribute values, while keeping all fields?

I am using ArcGIS 10.3 for Desktop. I have a property parcel layer that when Intersected, each parcel is broken up into hectares of different land covers. My question is can this be merged (or ...
1
vote
1answer
81 views

Error when using viewshed analyis plugin with merged shapefile

I am using Qgis 2.12Lyon and try to run a viewshed analysis to show the intervisibility between several points in more than one shapefile. I have a digital elevation model (.tif) which is projected ...
3
votes
3answers
128 views

How to create a line with all attribute information of the original GPX points?

I am trying to make a shapefile line contain all the data that the GPX file has. So i load the gpx file into Qgis, (prompts me for tracks, waypoints, trackpoints, routes, etc) When i choose "Tracks"...
2
votes
0answers
110 views

Merge n number of adjacent polygons [closed]

I have over 17,000 individual polygons. I want to merge two adjacent polygons so that I finish with approximately 8,500 polygons. The polygons need to be merged based on location, merge two adjacent ...
3
votes
2answers
85 views

Loading multiple shapefiles from +1000 subfolders

I have a WATERBODY shapefile for each region within each province in Canada. The region subfolders also contain many other features that I do not need. I am trying to upload and merge all the ...
3
votes
1answer
85 views

How to merge raster with FME with different spatial resulution?

I have two sets of raster (tiff, aerial photos) which I want to merge to one raster file with FME. The two sets have different spatial resolutions. Set A has a better resolution as B. The two set do ...
1
vote
1answer
34 views

Merging CAD and .mdb table into a feature class

I have cad file (.dwg) which contains the geometry and the attributes are in the tables of access (.mdb) database. The common FIELD in both of them is "HANDLE". How do I convert these into a ...
0
votes
1answer
37 views

Merge rule missing in ArcCatalog?

When trying to use the 'Merge' tool in ArcCatalog [EDIT (v. 10.3.1)], I am not seeing all of the merge rules- the options I can select are different than those outlined in the tool's 'About' section. ...
1
vote
1answer
118 views

Merge polygons in the same shape file based on attributes, ArcGIS or ArcPy

I have a shapefile of polygons. I do not want any polygons with an area less than 25. For polygons with an area less than 25 I want to merge them with another polygon with an area greater than 25 that ...
0
votes
1answer
118 views

PostGIS Get the POINT that is x meters away from a fixed point on the route (LINESTRING)

We have a route network stored in the routes table (LINESTRINGs). Basically every sedment (between two vertexes) is inserted as a separate row in this table. Among that we have a locations table (...
3
votes
2answers
114 views

merge dbf files - without using arcpy?

I have ~7,000 2 line dbf files (zonal stats output) that I would like merged into one table, all the same format. I have used the arcpy merge tool, as seen below. #merge tables together ...
1
vote
0answers
18 views

Moving feature classes between FGDB's creates unknown topology errors [closed]

I am attempting to merge together multiple large feature classes from different FDGB's into a single feature class and am getting unknown topology errors when checking for gap and overlap rules. I ...
5
votes
1answer
201 views

Merging .asc files = “The command line is too long”

Having problems merging LiDAR .asc folder files to produce a single GeoTiff file. I have followed various instructions e.g. the 2 methods of selecting input files for merging .asc files using ...
1
vote
0answers
44 views

How to create a single feature/segment from connected line segments

I want these 3 connected line segments to be a single feature/segment. I used dissolve and unsplit tools but I am not getting desired output. I dont want it done manually with merge tool, because ...
2
votes
0answers
54 views

Keys for merging US state/county ANSI's with GADM Unique identifiers?

I've got county-level data from USDA NASS, and I want to merge it with gridded climate data. A preliminary step is the associate the counties with the coordinates of their centroids. If I merge by ...
1
vote
1answer
101 views

Finding and merging lines that touch in PostGIS?

I would like to select and merge segments that touch like in the image below. My table contains single segments with their own id (shown in the figure), I just want to isolate single "group" of ...
4
votes
1answer
72 views

Merging Features

I want to merge features of a vector layer into one single feature using the python console. Somewhere I found the following solution. However it does not seem to work for me. When I execute the ...
2
votes
0answers
43 views

Losing Attributes Following Merge in ModelBuilder?

Using ArcMap 10.1, I am working on a project adding polygons to an aerial. The polygons have data associated such as Location, Numerical Value, Street Name, Date, etc... I use the merge tool as I am ...
2
votes
0answers
61 views

QGIS 2.12 LAStools lasmerge error: “no outputs specified” [closed]

I am trying to merge 4 .las files with "lasmerge" within "LAStools" in QGIS 2.12 running Windows 7 64. I keep on geting error "no outputs specified" even thoug i did specify the output folder and ...
2
votes
0answers
53 views

Combining adjacent shapefiles and merging neighbor polygons currently divided by quad boundaries

The project I'm working on has been mapping ecological sites in ArcGIS on a quad-by-quad basis for the past 10 years. When entered into GIS, each quad has its own shapefile and the sites are cut off ...
1
vote
0answers
38 views

How to join 2 vector pieces of one country into one vector polygon

How to eliminate seam on meridian 168W. Seam is on Russia and Antarctica? I have done my projection in this way: QGIS display world country shape files centered on pacific ocean using Robinson, ...
3
votes
1answer
27 views

QGIS: Mergin two layers always creates new attibute field

I want to merge several layers into one. Each layer has a specific Attribute field (type: GG, DO, eg.). In the merged layer QGIS produced a new Attribute field for each type. I want QGIS to but all ...
3
votes
3answers
141 views

How can I join two polygons that are within the same layer in QGIS?

I have two polygons in QGIS that are within the same layer and I want to merge them so they are not in two different polygons, which means that the gap between them sould not exist. How do I do that?
1
vote
2answers
195 views

Combine touching polygons, keeping all attributes from Class “A” feature

How to automatically merge polygons sharing a common boundary, keeping all attributes from class "A" features? Interactively I would do this in an edit session by: selecting all objects of Name "...
1
vote
1answer
89 views

Merging two polygon layers with one layer having priority over the other

How do I merge two polygon layers? One is coarse scale over a large area (land use). The other is fine scale but is patchy (agricultural fields) in extent. I want the same extent of the land use layer ...
4
votes
1answer
240 views

Merging multiple feature classes in file geodatabase with ogr2ogr?

Is there a way to merge multiple feature classes into one feature class in a geodatabase with ogr2ogr? If this isn't possible with ogr2ogr, is there another method? I'm using the ESRI File Geodatabase ...
2
votes
1answer
31 views

Default attribute when merging two polygons in ArcMap?

When merging two polygons in ArcMap 10.3, it appears that the new polygon always inherits the attributes of the larger (by area) of the two input polygons, unless otherwise specified. Is this by ...
4
votes
0answers
28 views

“Merging” 2 layers of LineString with splits at intersections

I would like to "merge" 2 networks of lines and these lines need to be split when they intersect. With pictures it should be clearer : What to do: if a black line intersects a red line, they ...
2
votes
1answer
27 views

Concatenate geospatial pdfs

I am looking for a simple way to concatenate one geospatial pdf (with multiple layers in a single image) and regular pdf. I have tried tools such as pdfunite, pdftk and pdfconcat, without success. The ...
0
votes
0answers
22 views

Python Merge Error After Spatial Join Loop [duplicate]

I'm running into an error saying my Dataset doesn't exist when trying to merge a number of buffers that had be run through a Spatial join loop. I named my variables with the correct path(and double ...
4
votes
2answers
172 views

Merging rasters in QGIS?

I have 3 modis tiles that I want to merge together. They were all reprojected in the same CRS (from sinusoidal to WGS84 UTM zone 32 N), but I cannot succeed. I have tried with merge and virtual raster,...
1
vote
0answers
18 views

Trying to make one file out of many Hillshade files

I am trying to make a hilshade file for all of Colorado but when I download the DEM data for the state there are over 25 files. I have converted them all to hillsahde, but now I want to work with just ...
0
votes
1answer
51 views

Merge adjacent polygons

I want to write software that merges groups of (mainly) adjacent polygons. For example, merge the US counties into sales regions. Then, display either the boundary of these sales regions or fill them ...
0
votes
1answer
40 views

Merge several .lyr files that contain a raster photo column

Shapefiles do not support raster files, so I created a geodatabase and made feature classes of the points. I then added a column titled "photos" and added the photo as a raster to the point. I now ...
1
vote
1answer
96 views

How to merge two point feature classes based on spatial location using ArcPy?

I have two point feature classes, each containing about fifty points. These 2 point feature classes should be merged, or the points of feature class 2 added to feature class 1, as feature class 2 does ...
3
votes
1answer
107 views

How to merge layers into a single QgsVectorLayer?

I have a set of different layers (and their respective shapefiles) with information of electric lines. All the layers have the same Fields in their Attribute Tables, but contain information about ...
1
vote
2answers
158 views

gdalwarp - merge two images, but only the no-data values

I am preparing tiff elevation files. For one particular country I have a 10 meter elevation model, but the data is present only for the specific country - so when the image is sliced into smaller ...
1
vote
2answers
105 views

How to Merge, Buffer, and then Intersect multiple features based off of the Buffer feature in ModelBuilder

I have created what I thought to be a simple ModelBuilder model and the final output (.shp format) is always an empty. As you will see in the ModelBuilder image below: Merged 3 track logs now called ...
1
vote
0answers
20 views

Making Merge Tool run just once in ModelBuilder? [duplicate]

I have dozens of point shapefiles I want to merge. First I used the Feature Classes Iterator and declared the iteration output as input for the merge tool directly, the problem was that it merged the ...
3
votes
1answer
126 views

Merge connected lines IF they share adjacent polygon(s) (arcgis/arcpy)

I have lots of lines that I need to merge IF and only if they share the same polygon(s). All lines are made from the polygons (copy-paste into line) so they all snap. In this little example line ...
0
votes
1answer
482 views

Different origin problem while merging rasters

I have two dem files downloaded via the getData function in the raster package. Here you can see the code: I tried to make the example reproducible so there you have it. library(raster) dem_n1<-...