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Questions tagged [merge]

To combine two or more parts into a larger whole.

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2
votes
1answer
44 views

Merging many different feature classes into one but only taking certain fields from each?

I'm trying to merge ~50 feature classes into 1. The problem is, these feature classes have many different fields, and some that i don't want in the final FC. I can delete the fields one by one ...
0
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1answer
31 views

Merging shapefiles and creating unique feature wherever shapefiles' features overlap using ArcGIS Desktop?

I am using ArcGIS Desktop 10.5. I have a shapefile for impervious surfaces and a shapefile for tree canopy. I need to separate the tree canopy features into tree canopy that overlaps (is assumed to ...
3
votes
3answers
363 views

Getting adjacent polygons to merge in QGIS?

I was given a shapefile made up of a few thousand squares. The data in the squares has 5 different values. I wanted to merge all the common values into the same polygon to simplify things. This is ...
0
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1answer
890 views

Earth Engine: Mosaic 2 collections

Given that an area of interest is partially cloud covered, how can you mosaic two separate collections to get a single cloud free mosaic? Given I have a S2 image over a study area, that has a cloudy ...
0
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1answer
499 views

Mosaic to New Raster outputs whole numbers instead of decimals

I just ran the ArcMap Mosaic to New Raster tool to merge 5 rasters of pH levels in different farms. These individual rasters have values that are decimals. When I run the tool, the output is in whole ...
0
votes
1answer
132 views

Merge and overwrite features between 2 shapefiles

I have 2 polygon shapefiles with similar features. One shapefile is "the master" (masterFile) and the other is a subset of features from the masterFile with some of those features slightly changed and/...
0
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1answer
574 views

Merging Features with Equal Values in one Attribute Table Field?

I'm trying to merge all the features in a shapefile that have the same value under a certain field in the attribute table. Right now, I open the attribute table and use "Select by Attributes" to ...
0
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1answer
876 views

Union polygons in QGIS

I have two shapefiles. One contains a raster with grid cells and the other administrative boundaries. I would like to union the polygons from both layers but geoprocessing - union yields the ...
2
votes
0answers
129 views

Polygon splitting and merging to another one without overlapping using ArcGIS Desktop? [closed]

I have a layer of different types of polygons. Some are fields, other are roads. Sometime a road polygon is entering a field polygon. As presented on the capture, the yellow road (polygon 1) is ...
2
votes
2answers
198 views

Merge multiple buffer files to already available shapefile in QGIS 2.18.2

I want to merge multiple buffer file to already available shapefile but I'm not sure how to do it. I already applied vector->Data management tools->Merge vector layers, but this is not giving me ...
-2
votes
1answer
47 views

Complicated raster clipping and merging

I have a DSM and a DTM in georeferenced TIFF format. I have two shapefiles, one for buildings and one for trees. I want to clip the DSM by both shapefiles separately producing two new files which are ...
0
votes
1answer
62 views

Merging feature class with same name from several geodatabases into single geodatabase using Arcpy?

I have 10 geodatabases, each one has 20 feature class on average, and every one feature class has the same name. What I want is a merge from every single feature class with the same name into another ...
0
votes
1answer
58 views

Merging all feature classes with same name nested in multiple geodatabases using ArcPy says feature class already exists?

I'm following very closely this topic Merging all feature classes with same name nested in multiple geodatabases using ArcPy?, it seems very useful to my python script this is the script I following ...
1
vote
1answer
135 views

How to merge feature class with the same name and save in other gdb?

I have tree feature class with the same name in different geodatabases for example: one.gdb\fc1,fc2,fc3 | two.gdb\fc1,fc2,fc3 | tree.gdb\fc1,fc2,fc3 what I want to build a single merge in another ...
0
votes
2answers
238 views

Optimizing combining multiple feature classes into one via arcpy

I have about 1000 feature classes spread over about 50 geodatabases which I am trying to append into an empty layer in a separate geodatabase. When I previously did this on shapefiles, the process ...
2
votes
0answers
97 views

Dissolve by Class in eCognition?

I have a lot of numbered classes in my eCognition project (version 9.0.1), which contains approx. 2 Mio. segments. All segments have been assigned to a class and now I want to merge them (basically do ...
1
vote
1answer
659 views

Using output of iterate files as input for merge tool in ModelBuilder?

I am using trying to use an iterator to run through and folder of shapefiles and add them as input to the merge tool in ArcMap ModelBuilder. Something seems amiss; when I connect the iterate output ...
1
vote
1answer
371 views

Control Order of Layers in QGIS Merge Vector Tool?

It may be that the answer to my question is the same as this one: How to sort the layer list in Multuple selection window, i.e. that there is way to do so in QGIS 2.18 but there will be in the 3.0 ...
3
votes
1answer
388 views

Union/Merge 3D polygons (POLYHEDRALSURFACE Z) each with different heights to output a single polygon in PostGIS

While attempting to ST_Union, ST_Collect, ST_3DUnion an array of POLYHEDRALSURFACE Z geometries with different heights, the output is always a multipolygon with interior walls. I need to fully merge ...
-6
votes
2answers
123 views

Creating a script that can: [closed]

You are a GIS analyst for the National Park Service. You have been asked to create a dataset showing "wilderness" areas in a national park. These areas are defined as 2,000 feet away from a paved road,...
0
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1answer
53 views

Merging two features and deleting original two in ArcGIS Pro?

I am using ArcGIS Pro. I am currently working on a city's water main system. The way the mains were input into the system they are in tiny pieces. I want to merge them together so that they run from ...
1
vote
1answer
87 views

Transfer attribute and split line

I have two line dataset that represent the same roads: First one has very precise geometry Second one has an approximative geometry, but very interesting attribute. What I want to achieve is to have ...
2
votes
1answer
70 views

ArcGIS10.5.1 Data Merge error: 000732

I am trying to run a python script to merge some files in a folder test, called test1.shp, test2.shp, test3.shp. The code is this: import os import arcpy workspace = "C:/mypath/test/" ...
1
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3answers
93 views

Getting message if shapefile does not exist in folder when executing Merge process?

I´m following this link Merge shapefiles in folders and subfolders with arcpy very very close because it really helps me to solve my problem. However, I rebuilt the script to accomplish my job but ...
4
votes
1answer
106 views

Visualize challenge: show origin of aggregated minimum r.series job

Using r.series with the aggregate minimum option I'm merging multiple viewshed results to visualize how much vertical space a development area has for new buildings. Meaning that a part of the height ...
1
vote
1answer
2k views

Using multiple tiff files as a data store in Geoserver

I have hundreds of tifs I want to use as a data store on my Geoserver. So many that QGIS won't merge them for me. I heard some about .vrt but I never found a clear source of information on the ...
2
votes
1answer
214 views

Joining two or more overlapping buffers using MMQgis plugin?

I use MMQgis plugin to create buffers around points. Some of them overlapping and, to my analysis, i have to "dissolve" lines that cross this buffers. I use Vector -> Geoprocess -> Dissolve, and it ...
2
votes
0answers
100 views

Run graphical modeler on multiple pairs of selected features

I have a shapefile of 10,000+ county polygons. Of these, I've identified ~5,000 that are geographically too small, and I want to combine with their immediate nearest neighbor, naming the combined ...
0
votes
1answer
46 views

Merge a polygon from a layer with polygons from another layer

I have some subbasins as polygons. I know that an area is totally isolated so that it builds a separate subbasin (Polygon - dark purple - Fig.2). I wanted to merge them in a way that the boundary of ...
1
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0answers
83 views

Join or interpolate broken lines

I have these lines (blues lines) that extract from a raster and need to unite them automatically (red lines). Currently I'm doing it manually using a plugin (Join multiple lines) but it's very tiring. ...
1
vote
2answers
149 views

standalone python script unable to execute merge vector layers

I am trying to run the qgis merge vector layers tool in a standalone script however I am getting the following error: Unable to execute algorithm Wrong parameter value:/Users/jt/workspace/Manna/...
-1
votes
1answer
100 views

How can I combine multiple personal geodatabase with same format in Access file? [closed]

I have multiple geodatabases with the same format in features and attribute tables, their difference is thier location, how I can combine them in one file in Access format which has one attribute ...
2
votes
0answers
182 views

Merge contiguous lines unless they intersect with a point [closed]

I have two PostGIS tables: roads have an id, a name, and a geom (line). nodes have an id and a geom (point). They represent road tips (intersections or dead-ends). I would like to store for each ...
1
vote
1answer
69 views

Maximum number of inputs that ArcGIS Merge tool will accept?

I've done an internet search trying to find the theoretical maximum number of input datasets that the Merge tool will accept. Nothing has turned up. I'm currently using 10.5.1
1
vote
1answer
62 views

Replace old invalid polygons with new fixed ones

I have a layer of 2053 polygons. Some of these have errors. I corrected these errors with Processing LWGEOM Provider. The outputfile have the corrected polygons only. How do I merge the corrected ...
0
votes
1answer
175 views

Merging adjacent polygons to one which sum of attribute values of adjacent ones is between 1000 and 2000?

I have a huge number of polygons that contain attribute field that represent number of offices inside each polygon. Now I want to merge all adjacent polygons which count (sum) of offices values is ...
1
vote
2answers
10k views

Merge two shapefiles in R [duplicate]

I am having trouble trying to merge two shapefiles in R. One of them has 5 polygons and the other one has 1, so I would like to obtain a final shapefile with 6 polygons. I try to replicate the ...
0
votes
2answers
429 views

Merging Rows in Table using ArcGIS Desktop?

I am fairly new to GIS and I am using ArcGIS Desktop 10.4. The wildlife monitoring company I work for uses camera pods to sample fisheries population and uses side scan sonar to collect habitat data. ...
0
votes
0answers
60 views

Can't upload .osc to local Rails Port instance

I have been experimenting with a local instance of Rails Port. I used osmosis to load a small pbf of my neighborhood. Using JOSM I edited some data on the local instance. Then a few weeks later I ...
2
votes
1answer
88 views

Selecting multiple polygons - which polygon is top of the merge list?

If you select multiple polygons, and then try to merge them, ArcGIS creates the dialog box showing the selected polygons (picture below). You can then double click the one you want the others to merge ...
1
vote
1answer
35 views

Merging polygons based on separate shapefile touching each polygon using ArcGIS Desktop?

In the image provided, I have drawn few polygons and a shapefile in red colour above them touching those polygons. Is there any way by which we could merge those polygons which, the red colour ...
1
vote
1answer
516 views

Different layer LineString datatypes

Trying to merge 2 vector layers; one is of type "LineStingZ", the other is just "LineString". When I run the merge algorithm I get the message saying "Error executing algorithm Merge vector layers ...
2
votes
2answers
489 views

Render polygons ordered by size

How can I merge shapefiles in a special order in QGIS? What I have and what I need to be merged in that order: What happens when using merge by mmqgis: As u can see not usable at all. Attributes are ...
2
votes
1answer
65 views

Why do colours merged onto a shapefile in base R display incorrectly?

I have a shapefile: https://www.dropbox.com/sh/x1p9ctssdp6xz4r/AADZzy10j8VPigtWkcNxAZata?dl=0 which I read in like this: Somalia = readOGR(dsn = "Somalia", layer = "Somalia") I ...
1
vote
0answers
282 views

Merging Selected Features in QGIS?

i tried to merge several polygon into one using "merge selected features" but it's look not perfect because there are some lines left as residual. can anyone help me to solve my problem. i am using ...
1
vote
1answer
254 views

many to one join in QGIS

Having looked at many duplicates I still can't seem to get a concensus especially with regards to using QGIS. I've read Creating duplicate features - many to one - in qgis and several others. My data ...
0
votes
1answer
117 views

Appending multiple shapefiles into existing blank feature classes using ModelBuilder?

I have a set of shapefiles that I need to append into an existing blank database. The database I have contains blank copies of the shapefiles, only as feature classes in a feature dataset. Each ...
0
votes
1answer
116 views

Seeking tool like Merge of ArcGIS Desktop in QGIS? [duplicate]

I'm looking for a tool that might do the same thing as "Merge" in ArcGis. https://desktop.arcgis.com/en/arcmap/10.4/tools/data-management-toolbox/merge.htm This tool allows you to select several ...
1
vote
1answer
61 views

Overlapping polygons and determining true gaps

Using QGIS, I’m trying to merge several shp files into a larger area, the issue I’m finding is that some of these shp files contain “gaps” basically smaller polygons inside the larger one. I want to ...
1
vote
1answer
58 views

Construct points - orientation problem

I am having problems with the Editor function "construct points" in ArcGIS. If I select the line where I want to construct the points, the direction of the points is not correct. The orientation ...