To combine two or more parts into a larger whole.

learn more… | top users | synonyms

1
vote
1answer
144 views

Arcpy CreateUniqueName usage: keep original input names

This is a continuation of the question I asked here: At this point I'm really just trying to get everything in one place and keep the original shapefile basename. I'll tackle merging like-named ...
3
votes
2answers
156 views

Merge two geodatabases with identical structure

I'm using an ArcGIS addon which stores all created data (shapes and tables) in a gdb. The addon is made for single user use but to safe time I want to split the work with someone else. After that I ...
2
votes
1answer
3k views

How to combine (join?) two overlapping polygons to determine combined area they cover?

How do I combine (join?) two overlapping polygons to determine the combined area they cover in ArcGIS 10? I am sure the Geoprocessing tools can do it, but just how eludes me.
0
votes
1answer
368 views

ArcGIS 10 - Model for batch select polygons by attribute and merge them together

Is there is a way to create a ArcGIS 10 MODEL to: 1. batch select polygons from the same layer by attribute 2. merge these polygons into one 3. repeat this for all polygons shearing the same ...
5
votes
1answer
743 views

Using ArcPy to batch merge based on shapefile name?

ArcGIS 10 SP4 Python 2.6.5 I have quite a few shapefiles that are in many different directories. I'd like to pull out groups of like shapefiles, merge them, and move the results into a FGDB. I've ...
3
votes
3answers
119 views

Automated way to join

I have river networks (polyline) of several adjacent countries as shapefiles that almost match up at the borders, but not quite. Is there any way to automatically connect them to a consecutive river ...
-1
votes
2answers
197 views

styles when merging shapefiles in qgis

Trying to create something for mapstory.org It wants it in all one shapefile. So I create a polygons and lines (with time attributes) in qgis 1.8 Then merge them all into one shapefile, how can you ...
4
votes
1answer
969 views

How to merge many shapefiles in different folders?

Directory structure is basically as such: county\City\prep\POI\Completed\C1, ...C2, ...etc\ I'm trying to write a script to go through the *\Completed*\POIS.shp and merge them all together, at a ...
2
votes
3answers
179 views

How can I merge a LOT of polylines automatically?

I have lots of MultiPolylines, three-dimensional arrays where the bottom level is an array of lat/lngs, the second level is an array of those points (a single polyline), and the top level is the group ...
1
vote
2answers
622 views

Problem creating TIN from multiple contour shapefiles with ArcGIS 9.3 Spatial Analyst

I have about 20 shapefiles that contain contours lines, and I'm trying to convert them to one TIN using Spatial Analyst in ArcGIS 9.3. I included all of the SHP's as input to generate a TIN, but it ...
1
vote
1answer
511 views

Merging OSM files with OSMOSIS and import to Postgres with OSM2PGSQL

I have a problem merging and then importing two OSM files. I downloaded to distinct .osm-files from cloudmade. They are not sharing any geographical attribute (as the first is the country Monaco, the ...
3
votes
1answer
163 views

shapefile batch clip and merge combined

I have two shapefiles, one is polyline, the other polygon. For each polygon I would like to clip the polyline vectors inside. Using arcpy I already found part of a possible solution: ...
4
votes
1answer
253 views

How can I avoid reprojection gaps when merging DEM rasters?

I have two raster DEMs in same resolution I want to bring together. I was using the merge-function in SAGA, GRASS and QGIS but I always get the following result: What do I need? Where could the ...
2
votes
1answer
107 views

Are there any open source distribution raster merging functions within JTS or GeoTools

I'm looking for something similar to the combine function from the ISelectionSet interface from ArcObject's SDK 10 .NET framework on a more scaled down level. Ergo, I don't plan on using that ...
5
votes
3answers
1k views

Merge Spatially Coincident Features in the Same Feature Class

I need a way to programatically merge grid cells (polygon 15x15m) that are directly on top of each other and add together some of their attributes. I am working in ArcGIS 10.1 with the data stored as ...
2
votes
1answer
473 views

Why does Merge then Dissolve return ERROR 000732: Input Features: Dataset … does not exist or is not supported?

I'm not sure why I'm running into this problem. I thought it might have something to do with the merged file being locked or open, but I don't see a "LOCK" file being created in Windows Explorer. ...
3
votes
2answers
765 views

Merging Shapefiles With Geotools

I am trying to merge some shapefiles with different schemas in geotools. Im aware of ogr2ogr, but for now I would like to figure out this problem with Geotools. The steps I'm taking are: 1) Create a ...
5
votes
2answers
2k views

How to merge multiple file geodatabases into one file geodatabase?

I have created a file geodatabase that has several feature data sets, feature classes, and domains. I have created a map with the file geodatabase added to it, converted the map to ARCPAD AXF format ...
1
vote
1answer
257 views

Merging data in Quantum GIS

I have a set of postcode boundary data that currently goes down to the most detailed level possible, like this: AB1 2CD I would like to 'simplify' the data so that it just shows the first part of ...
5
votes
0answers
133 views

How to add shapefile name as attribute during merge? [duplicate]

Possible Duplicate: How to add field with filename when merging shapefiles with ogr2ogr? I have more 200 shapefiles with a unique name. I would like to merge all of these together and save ...
3
votes
1answer
1k views

Use model builder to select layers by attributes, dissolve them and then merge them

StackExchange team, I would like to reclassify polygons, I want to combine smaller polygons into bigger polygons based on their ID (each polygon has a unique ID). I want to regroup ~800 polygons into ...
5
votes
2answers
415 views

Extract certain area of contours/satellite images

I have 2 satellite images (jpeg2000 format) and 2 xyz-files from the same area. I am trying to extract certain region from the area including contour lines and the satellite image in order to import ...
8
votes
2answers
811 views

How to add vertices to existing linestrings?

If I have Linestring(1 2, 1 5, 1 9) and a Point(1 3) Is there any function that can merge linestring and point preserving the order so output would be: Linestring(1 2, 1 3, 1 5, 1 9)
2
votes
1answer
70 views

Is there a version of merge in QGIS that works like “Difference”?

I can't seem to find a tool to merge files from the active TOC into one file... The datamanagement --> Merge Shape files only allows you to choose a directory of shapefiles to merge which is really ...
2
votes
2answers
1k views

Add data from table into feature class

I have a feature class with mostly unpopulated fields (ArcMap Standard 10.1, in an SDE database, with attachments). I exported the attribute table as a .csv file so that a co-worker without access to ...
1
vote
3answers
550 views

Merge Zip Codes to Create new sales Markets

Let me preface this question by saying I am very novice with respect to GIS. With this in mind, I am looking to merge zip codes into sales territories. Instead of plotting data by zip code, I want to ...
5
votes
1answer
3k views

How do I edit shape file attribute tables so they all have the same information?

I am trying to merge several pipeline shapefiles using GEOMERGE but it cannot complete the function because they have different column definitions. So I need to edit the attribute tables so that ...
4
votes
2answers
1k views

merge shapefile using ogr2ogr and retrieve the attribute of both

Ciao, I have two shape files that I want merge (overlay/intersect) having in the destination the attributes of the two sources file. ogr2ogr file_merged.shp tl_2010_us_uac10_conus_albersUA.shp ...
1
vote
4answers
4k views

Merging multiple .tab files?

I was wondering if there was a quick way to merge multiple .tab files together? I have about 100. Would appending one tab to another with the MapBasic window open, then changing the name of the table ...
0
votes
0answers
155 views

Merging point shape file problems?

I've got a whole bunch of shape files that have soil testing data in them that I would like to merge together so I can do some analysis but when I use the Ftools merge shape files command I get an ...
3
votes
3answers
688 views

How to merge a large amount of polygon-features in a script?

We have a very large shapefile with over 30000 features and want to merge it with a script on a server. Currently we try it with QGIS, but the processing takes way too much time. Is there a way to do ...
2
votes
1answer
658 views

merge raster images: error message procedure not found

I am using QGIS 1.8.0. Whenever I try to merge raster images I get the following error message: Traceback (most recent call last): File "C:\PROGRA~1\Quantum GIS Lisboa\bin\gdal_merge.py", line 36, ...
-1
votes
6answers
418 views

Which program that merges excel data onto shapefiles is easiest to use?

some options for merging looks like fusion tables, vizmaps, and these 2 http://mapbox.com/tilemill/docs/guides/joining-data/ ...
3
votes
2answers
737 views

How to join lines in QGIS for later using “lines to poly”?

After successfully merging lines (using snapping) with merge_selected_features i got nice result - one merged line. Next thing was to make polygon from created merged line. Result is not nice - it ...
4
votes
2answers
1k views

Merge an entire Geodatabase in ESRI ModelBuilder

How can I merge an entire Geodatabase in the ESRI (ArcView) ModelBuilder? I have several FeatureClasses created into the GDB and in the model I plan to merge them all. Right now I have imported all ...
3
votes
1answer
670 views

Merging raster data with different resolutions

I need to merge different raster datasets which have one layer and contain discrete values to a layer stack. The resolutions of the data can have any value so not only multiples of the resolutions ...
2
votes
1answer
277 views

merging TIGER Line shp files for better labeling in ArcGIS

When working with TIGER line shp data at county level scale the labeling of roads, rivers, railroads, etc. is cumbersome due to all of the tiny line segments. Merging the dozens of segments that ...
1
vote
3answers
4k views

Merging Two or More Layers using ArcGIS for Desktop?

I am working with three clipped layers that are shown in the TOC. I created these layers from a large watershed shape-file. However, each clipped layer includes the layer before it and only expands on ...
2
votes
0answers
54 views

Merging Layers and assigning different values [duplicate]

Possible Duplicate: Merging Two or More Layers I am working with three clipped layers that are shown in the TOC. I created these layers from a large watershed shape-file. However, each ...
4
votes
1answer
874 views

merge selected features and programming

I have a shape file with UK districts and unitary authorities. In the past, using commuting patterns, I worked out a new geography which is close to travel to work areas. I now would like to create a ...
1
vote
1answer
282 views

problem after merge shapefiles, can't show it on OpenLayers with GeoServer

I have 5 .shp files, after merge it with geomerge, I can't use it on OpenLayers with GeoServer. it's only show white layer and when i click it, it show error message: Internal error occurred ShapeType ...
9
votes
2answers
3k views

Is there a difference in performance between Merge and Append in ArcGIS?

Often I find myself in a situation where I don't care whether or not my tool produces a new feature class, but I do care how long it takes to combine all of my large datasets. Does it take longer to ...
9
votes
1answer
2k views

Merge Multiple Tables into a New Table in PostGIS

I am looking to merge a number of individual tables into a new table in PostGIS. This is an easy task when working with Shapefile data, but I am unsure how to do this in PostGIS. Any help would be ...
10
votes
2answers
11k views

How can I join several raster files using QGIS?

I'm new to QGIS. How can I combine multiple raster layers into one layer? The raster images are of different areas with very little overlap. The goal is to bring numerous town plats into one project. ...
8
votes
4answers
3k views

Open source software to merge large shape files

Some background: I have 2 polygon shape files with approximately 500,000 records each. The two files are identical in terms of field structure. Using ArcGIS 10.0 I can'nt merge these two files using ...
3
votes
2answers
731 views

Merging polygons that intersect by more than a specified amount

I am working with a dataset that contains a subset of property boundaries in a local government area, thus my dataset is made up of several thousand properties but not all are touching. Since it is a ...
3
votes
1answer
380 views

How to combine lines from different sources reperesenting the same road network but with slightly different geometry?

Here is my problem: I have got two layers of polylines which represent the same road network but they are from different sources and have different geometry. The two layers are mostly the same tracks ...
1
vote
0answers
100 views

Merge polygons into a single polygon [duplicate]

Possible Duplicate: How to aggregate detached polygons? Is there any open source java library to merge polygons? My use case is that i have a few building feature polygons close by. I need ...
2
votes
2answers
1k views

Modelbuilder: Needing to input multiple featureclasses into merge tool

So I have 490 point fc's in a single directory with uniform spatial features, field names/datatypes. I'm trying to figure out how to consecutively input the first seven fc's into the merge tool, ...
1
vote
3answers
2k views

What is the problem with the merge shapefiles tool in QGIS?

I'm having trouble merging shapefiles in QGIS. I'm using plugin ftools 0.6.1 and I get this: Any workarounds someone may know of? Thanks