How to merge shapefiles?

Let’s learn how to merge shapefiles. The most accurate or helpful solution is served by Geographic Information Systems.

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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 shapefiles than using the 'Merge shapefiles to one'-tool? In this case it's only nine files, so it's possible to merge whem 2 and 2, but I want to do the same thing with other files as well, and then merge about 20 files to one. I'm using QGIS 2.0.1. Thanks! EDIT: I have data of 4 different kinds of...

Answer:

This seems like a task for scripting more than a graphical environment like QGIS. My first thought was...

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SoS at Geographic Information Systems Mark as irrelevant Undo

Other solutions

Photoshop Question, How to merge effects onto a layer?

Is there anyway to merge EFFECTS onto the layer? NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT HOW TO MERGE LAYERS. NOT...

Answer:

Try this: 1. Make sure you are in the layer with the effect. Hide other layers (if any). 2. Select all...

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,_______, Durp at Yahoo! Answers Mark as irrelevant Undo

C C++ Merge Sort a Linked List problem...

Hi there- I am trying to use Merge Sort on a linked list. I have it for the most part but I need some help debugging my program. It's running, but its not giving the correct output. Instead it's simply reversing the order of the linked list, not sorting...

Answer:

Hi balzack-ga, Okay, I've added merge to your linked list code. I'm uploading the code to my server...

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balzack-ga at Google Answers Mark as irrelevant Undo

Merge sort in MIPS Assembly help?

I have a program in MIPS assembly that is supposed to run a merge sort on a fixed list of integers. I seem to have hit a bug. My end list isn't correctly sorted and there are some 0s that are messing up the program. I am using a stack and am putting...

Answer:

I see 3 problems: 1.) You're not initializing the arguments registers that you probably need to pass...

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brian at Yahoo! Answers Mark as irrelevant Undo

How to know if an interstate ramp has merge area or no merge area. Isn't it better for them to post signs?

how to know if an interstate highway ramp has merge area or no merge area. Isn't it better for them to post signs like "no merge area. be alert". I had the bad luck of going through a ramp that connects to the interstate highway. Unfortunately...

Answer:

I agree. I have seen two on-ramps that were steeply uphill and just dumped the driver precipitously...

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Yahoo! Answers Mark as irrelevant Undo

Mail merge with MS office?

I have just set up a simple network at work. I have a desktop computer with xp and a laptop computer with vista. I'm using MS office to mail merge my receipts. I insert customer details on the excel and merge it to a receipt in word. It was fine when...

Answer:

Well, When in doubt..try something or someone new to get your mind off of this. . In the mean time check...

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testi_co... at Yahoo! Answers Mark as irrelevant Undo

Can I mail merge the name into the "To" box, with the email address?

I am using mail merge to send multiple emails but can't get the person's name in the "To:" box (or field), so it arrives with just their email address in "To." I have to fix this or work all night! If I could just use mail merge to...

Answer:

Do you really think it matters whether the person's full name is in the To line? Almost nobody pays...

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swlabr at Ask.Metafilter.Com Mark as irrelevant Undo

Can I repeat data from one record on all records in a mail merge?

Looking for a word/excel mail merge trick that may not exist. Basically, what I'm looking to do is put information from the header row itself into the merge document so that it appears in the merge for each other record. In other words, row 1 in Excel...

Answer:

Hoping this helps... I made two files, source.xls and merge.doc, so you can examine them for reference...

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robverb at Ask.Metafilter.Com Mark as irrelevant Undo

What do you think of drivers who block others from speeding ahead in a merge?

I hit construction traffic this morning, with signs and warnings marking that the right lane would end and drivers should merge left about two miles before the merge occurs. Most drivers move left, many go to the right and speed ahead. A pick-up two...

Answer:

I do it whenever the occasion demands. In the UK however there are a couple of things to note. It is...

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Veritatu... at Yahoo! Answers Mark as irrelevant Undo

Rsync to Merge Disk Images?

Should I use rsync (instead of rsnapshot) to pare down Mac disk image backups? I've used SuperDuper to make several disk image backups of a boot drive. Let's say they're called backup-090107.dmg, backup-090114.dmg, backup-090121.dmg, and so on. I want...

Answer:

The canonical article for this (and the one that rsnapshot references) is this one. I think you're going...

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kristi at Ask.Metafilter.Com Mark as irrelevant Undo

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