A vector data storage format for storing the location, shape, and attributes of geographic features. Often referred to as 'an ESRI shapefile', as ESRI developed it.

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1answer
1k views

Get shape filename in attribute field using field calculator

I apologize for crossposting against the ESRI geoprocessing forum, but it seems like this one gets answers. I'd like to have a modified append tool (ArcToolbox) that takes multiple shapefiles with ...
4
votes
2answers
218 views

Append Point Shapefile Location by GPS'd text file

In my industry it is common to create preliminary design maps for point locations that have a unique identifier. Upon the actual construction on the design, points change location based on ...
6
votes
2answers
751 views

How is the default label field chosen by ArcMap?

I have 2 questions: I know how to manually go to Layer Properties>Labels tab>Label Field and choose my label field. I also know that I could set up my primary label field and save the setting as a ...
4
votes
2answers
7k views

Using ArcMap, how may I convert a shapefile to use decimal degrees?

I have a shapefile that currently uses meters as the measure for its coordinate system, but the map framework I wish to use expects decimal degrees. I'd like to reproject my shapefile to use decimal ...
3
votes
2answers
3k views

Import Shapefile to Postgres

I am trying to import a shapefile to Postgres using the following: shp2pgsql c:\location\water_areas.shp water > water.sql I am receiving the following message: c:\location\water_areas.shp: ...
2
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1answer
759 views

Seeking shapefiles of business locations

Does anyone know where to find shapefiles of businesses such as grocery stores or gas stations? Thanks!!
4
votes
2answers
327 views

How to register shapefiles to an image?

I'm generating images from various sources and the projections are not necessarily known ahead of time. The images are subject to interpolation and other alterations while being rendered, but I can ...
13
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4answers
1k views

Python module to delete SHP features (without Desktop GIS installed)

I have a piece of software (not Arc) that runs nightly on a non-production machine which updates shapefile features from an external database. Periodically I would like to delete all of the features ...
3
votes
2answers
789 views

Where can I download all 3,141 County US Polygons clipped with high resolution shoreline data?

After having done quite a bit of research I have been unable to find a single shapefile download which includes all of the current 3,141 counties with their associating data clipped with the highest ...
4
votes
1answer
3k views

How to add field in attribute table by python

I have research on the question (How to add an attribute field to an existing Shapefile via Python) but could not implement it. If you can give me examples on how to add field name in attribute ...
9
votes
3answers
8k views

How to create a shapefile in ArcGIS 10 using arcpy?

How can I create a shapefile using Python in ArcGIS 10? I have lat & long. From this I need Python code which will create a shapefile and display it in ArcGIS 10. Thanks.
2
votes
4answers
536 views

Where can I find a shapefile of zoning for the city of Phoenix and other municipalities?

Where can I find a shapefile of zoning for the city of Phoenix and other municipalities? I would rather not have to geo-reference a picture and digitize over it, there must be some data already out ...
2
votes
2answers
669 views

How to set right coordinate system?

I have shapefile (points) which I got from adding xy data in ArcMap from Excel table. I had Latitude/Longitude data. It is area of northern Australia. For example (5 points): Longitude 136.882 ...
7
votes
1answer
2k views

How to convert Shapefile geometries to WKB using OGR?

I got the geometry of a feature of the shapefile, and i want to save that geometry in the postgis (in WKB formats like it happens when we import shapefiles using shp2pgsql and psql commands). How do I ...
13
votes
3answers
8k views

How to encode shapefiles from LATIN1 to UTF-8?

Is there a way to encode shapefiles from LATIN1 to UTF-8?
2
votes
1answer
351 views

Error while importing shapefile using shp2pgsql: Coordinate values are out of range

I have a shapefile with 180 points. I'm using shp2pgsql-gui via pgAdminIII. This is an error it gives me when I try to import shapefile. Failed in pgui_exec(): ERROR: Coordinate values are out of ...
20
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4answers
5k views

How to bypass 10 character limit of field name in ShapeFiles?

I'm exporting geometry with attached text attributes from oracle database to esri shapefile format (.shp) with Java and Geotools library. Attribute columns in our database have names with more than ...
6
votes
3answers
2k views

Create Shapefile with auto increment primary key in QGIS

Is there a way to create an auto increment primary key column when creating a new Shapefile in QGIS?
3
votes
3answers
497 views

How can I import only a subset of the polygons in a Shapefile using QGIS?

I have a shapefile that is covering a huge area, with lots of polygons. The area I'm insteresting in is small and limited. Is there any way to only import (using "add vector layer") the polygons from ...
5
votes
0answers
723 views

How to create a routable road network from Ordnance Survey data?

I've been following the "Beginners Guide to pgRouting" in an attempt to create an in-house application that provides drive-time isochrones. I have a server, postgreSQL and PostGIS and pgRouting - no ...
1
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0answers
489 views

QGIS Layer Properties Field Tab

When I setup my layer properties I selected some of the attributes to be hidden on the Fields tab. I would like to change the EDIT WIDGET from hidden to a different function however some of them are ...
7
votes
3answers
646 views

How to script shapefile editing with open source tools?

I would really like not to disturb anybody and find my answer by a Google search, but I don't really know where to start. I have a .shp vector layer with several points on streets, each having a list ...
2
votes
0answers
119 views

How to fix Graphserver warning “osmdb has no edges!”?

I'm really new to GIS. I have some shapefiles data that I'm trying to import in graphserver. I'm doing: gs_osmdb_compile output3.osm output3.osmdb And the result is: WARNING: osmdb has no edges!. ...
6
votes
1answer
167 views

How is the “place” determined for this Tiger 2010 shapefile address record?

In most cases, an ADDR.DBF record links to an EDGES.DBF record that links to a FACES.DBF record that links to a PLACE.DBF record that contains the place. Sometimes, the place key in FACES.DBF is ...
2
votes
1answer
356 views

Why does this python function return a value of 0 in field calculator?

I am trying to calculate the percentage of a total which the median value makes. I have a column with the median column labelled (i.e. 1st,2nd,3rd,4th column is median), the columns of values and the ...
6
votes
3answers
2k views

Convert PS/EPS/AI to shapefile?

Are there any programs which can convert from Postscript, Encapsulated Postscript, or Adobe Illustrator file formats to a shapefile? What about adding geo-referencing? I'm also open to recipes using ...
2
votes
2answers
2k views

Setting up WMS with PostGIS, MapServer and Apache

I am trying to setup a web map service (WMS) for rendering a few shape files that I have stored in a PostGIS database. I decided to use MapServer for rendering engine and has installed it on my Ubuntu ...
0
votes
1answer
304 views

Why does collapse dualline to centreline only create an outline of the dataset?

I'm trying to collapse all divided roads in one centreline and to integrate any other spurs or errors in the dataset to create one set of centrelines. I have used Merge Divided Roads but it leaves a ...
3
votes
1answer
2k views

Add or Import Metadata to a shapefile

Is there a way to add metadata to a shapefile in Qgis? I have the shape file and an xml metadata file and I want to import in shape file.
10
votes
2answers
1k views

Which Windows GIS editors support the creation of 3D shapefiles besides ArcGIS with 3D Analyst?

I need to find and easy and affordable way to generate 3D linear shapefiles in Windows so one of our users can inspect our tool. We incorrectly assumed that he had 3D shapefile source data available ...
6
votes
3answers
2k views

How to load OSM data into PostGIS preserving all Tags?

I am new to the field of GIS and am trying to view source tags in OSM. I have downloaded the shapefiles from http://downloads.cloudmade.com and have loaded them into Postgres. When I view the data, I ...
5
votes
3answers
3k views

Add shapefile from a local file to a JS API map

Using ArcGIS.com's Map Viewer it's possible for the user to add a local shapefile to the map, using an Add Data approach. Is it possible to add this functionality to an ArcGIS Server map built on ...
7
votes
2answers
616 views

Reordering polygon shapefile permanently?

I've written a script which produces a polygon shapefile of the extents of all the thousands of rasters in our library. I want to organise the FID so that the files with the largest extents are on the ...
2
votes
1answer
236 views

exporting lat/long points from shp file gives crazy results

i downloaded a shape file from the dept of city planning of NYC I use shp2pgsql to create a table (nybb) I use http://prj2epsg.org/search to determine my srid is 2263. which i then set. select ...
1
vote
1answer
302 views

How to aggregate points with same value into polygons from a shapefile using GDAL or any other opensource solution

I have a shapefile with around 19,000 points. Its basically export from a raster. No i need to extract polygons, by aggregating the points which have same value.The field who's value i am going to use ...
10
votes
5answers
5k views

ArcGIS 10 creating a shape file from current dataframe extents in layout view

Where is the tool for this? Have looked around and the closet thing i can find is Toolbox's Grid/Strip Map Index tools under Data Drive Pages. I just want to be able to create a single polygon ...
1
vote
0answers
303 views

Convert FeatureLayerClass to shape file error : Item not found in collection

so following this link http://edndoc.esri.com/arcobjects/9.2/NET/91e3e8a0-d355-43d2-a201-0a8ceb719334.htm I am able to convert my featureLayer into a shape file and export it. However, some how for ...
10
votes
4answers
1k views

How to reproject spatial data using free libraries?

How can I use free libraries to transform spatial data? For example, I want to change the projection of a Shapefile within the code of my C# web application. How do I do that?
10
votes
2answers
4k views

How do dissolve polygons from shapefile using open source tools?

In my current project I'm visualizing data on a map representing some values for each administrative areas of a country. I'm given a shapefile of this country, which I'm converting to GeoJSON for use ...
2
votes
3answers
477 views

How Can I Correctly Transform (Unproject?) from LCC

I am a complete n00b when it comes to GIS, so please bear with me. I started out by posting here: http://stackoverflow.com/questions/6963991/how-can-i-transform-the-coordinates-of-a-shapefile . In ...
4
votes
4answers
3k views

Where can I find a shapefile for the coastline of North America?

I am looking for a shapefile representing the coastlines of North America, such as something like this: http://www.diva-gis.org/gdata Does anyone have any suggestions?
6
votes
5answers
2k views

What is the hierarchy of features in ArcGIS? Is it different in other software?

first post - new to GIS. My understanding of shapefiles is that they are (contain?) featureclasses, that contain features (points, polylines, polygons). Is there a clear hierarchy for these files. ...
4
votes
7answers
19k views

Having problems with joining an excel table to a shapefile in ArcMap

I have a shapefile of lower layer super output areas (LSOA) for England and Wales and I have a spreadsheet of the indices of deprivation for each of the LSOA's in England. I want to join the ...
1
vote
1answer
433 views

How to join data in a spreadsheet to a shapefile ? [duplicate]

Possible Duplicate: How can i transfer data from a spreadsheet into a shapefile? I have data for Indices of Multiple Deprivation for the UK from this website: ...
5
votes
3answers
635 views

Looking for a .NET Dijkstra component using Shapefile

I'm totally new to stackexchange and i'm in this beautiful informative place for one problem. I'm a .net programmer and i need to write a program that reads a shapefile and performs routing operation. ...
6
votes
1answer
12k views

QGIS - Change unit of measure from degrees to meters

I am running QGIS 1.7.0 on windows, and I donwloaded a shapefile of census block group boundaries from TIGER. This file appears to be in the WGS 84 coordinate system, and when I open it in QGIS the ...
5
votes
5answers
3k views

How can one execute an SQL script in field calculator in ArcGIS 10?

I am trying to transfer over row data from a table to columns in a shapefile table. There is a common "SA" variable between the two (i.e. the study area number) but there is more than one land use ...
4
votes
2answers
952 views

Kicking someone off a shapefile in ArcMap

I have ArcMap open, and someone else has the same shapefile open as me. How can I kick them off so that I can edit? I get the following error message: "Unable to save edits, cannot acquire a lock"
13
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3answers
6k views

Free tool to convert .lpk to .shp file

I have a .lpk file from ESRI that I would like to convert to a shapefile. How can I do this, using only free software?
11
votes
2answers
501 views

How to clean such a bad shapefile for routing ?

I am trying to clean a shapefile to make it usable for routing with pgrouting, postgis, postgresql. Here an intersection, it seems to be connected but when we zoom …. It is not: Same here : ...