4
votes
2answers
152 views

Merge uniquely named point shapefiles in 50,000 different folders into a single layer

I have point shapefiles in 50,000 different folders (each shapefile file name is unique) - about 33,400 shapefiles (not all folders will have a point shapefile). I like to open the point shapefile in ...
0
votes
0answers
39 views

How can you calculate the union/merge two polygons in ogr2ogr?

I want to calculate the union/merge two overlapping polygons using ogr2ogr (as I have 300+ to do). I want the output to be the same as you would get if you used the 'Merge shapefiles to one' command ...
1
vote
0answers
44 views

Merging shapefiles to one, rearrange columns?

I am trying to merge two shapefiles which both contain polygons representing properties in QGIS 2.2. One problem is that the names of some of the columns in the attribute table differ between the two ...
0
votes
1answer
43 views

How to merge 2 shapefiles in ArcObjects

Using ArcObjects SDK for Java, I have the full path of 2 shapefiles: String in1, String in2, and I want to merge them using the geoprocessing tool Merge. I tried to several methods: ...
4
votes
1answer
317 views

How to merge shape files with attributes from a python script in QGIS?

I have some shape files. They are all the same kind of shape and all have the same attributes. If I wanted to merge them manually the "Vector/Data management tools/merge shape files to one" works ...
1
vote
1answer
82 views

Merging more than two shapefiles in QGIS

I want to merge 9 shapefiles (all polygons) into one file. The problem is, when I try to merge more than two files at once, I seem to loose attributes on the way? Is there any other way of merging ...
2
votes
4answers
299 views

How to merge many shape with the same name in different folders?

I've many (hundreds) shape (3D points and 3D polygons) that have the same name, saved in different folders; and I've tried to merge them using batch with Merge tool in ArcGIS... but inexplicably ...
0
votes
1answer
80 views

Merging multiple polygon shapefiles

I want to merge two polygon shapefiles in one without losing the attributes using ArcMap 10.1. To be exact I am creating a geological map and have some geologic formations in one shapefile and some ...
1
vote
2answers
258 views

unionize intersections of merged polygons

[Updated quesion] I am using the following code to merged polygons from shapefiles for the purpose of calculating the surface area; library(maptools) library(rgdal) library(rgeos) #enter slots, ...
2
votes
3answers
129 views

Can ArcGIS only merge two shapefiles each time?

I need to merge multiple point shapefiles (in the same directory) into one point shapefile. After inputting these shapefiles and merging it, I found the final output only contained the data from two ...
4
votes
1answer
219 views

How to join data from NHGIS to make choropleth maps in R/ggplot2?

I have downloaded shapefiles of county/state boundaries and census data keyed to those shapefiles from the NHGIS. Both the shapefiles and the census data have a GISJOIN column to be used for merging ...
1
vote
1answer
413 views

How to merge multiple ADF files to a single shape file? [duplicate]

I have a set of adf file which use the same structure. How can I merge all ADF to shp file? Does the ogr2ogr command can help in this case?
1
vote
1answer
111 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 ...
5
votes
1answer
597 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 ...
-1
votes
2answers
193 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 ...
3
votes
1answer
153 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: ...
3
votes
2answers
686 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
0answers
130 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 ...
1
vote
3answers
467 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 ...
4
votes
1answer
2k 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 ...
3
votes
2answers
998 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 ...
0
votes
0answers
150 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
631 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
253 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
3k views

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 clipped layer includes the layer before it and only expands on ...
1
vote
1answer
271 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 ...