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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-6
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1answer
23 views

Getting Shapefiles of Meghalaya [on hold]

I want to download a shapefile for Meghalaya. Where do I get it from?
1
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0answers
15 views

DLLs or examples to support writing a shp, shx, dbf file as memory stream for uses on Azure website?

I'm trying to read/write shapefiles for a web service for an azure website and I do not have the luxury of accessing the local file storage (which means that reading/writing from/to disk is out of the ...
-2
votes
0answers
30 views

A reliable source of shapefiles for boundary data?

Does anybody know of somewhere that I can reliably get shapefiles or kml files for municipal / neighbourhood boundaries for cities across the world? I know that ArcGIS online has some but certainly ...
0
votes
0answers
17 views

Modifying attributes of a shapefile using java

I have a polygon vector shape-file in which each feature has an integer attribute. I want to update this integer attribute(for all features) programatically using java on regular intervals of time. ...
-1
votes
0answers
11 views

Shapefile for India which includes taluk boundaries? [duplicate]

I need to go for zonal wise mapping for rice crop in south India for that i Need taluk boundaries of Andhra Pradesh and Kerala's taluk boundary shape file. So, how to download taluk boundary shape ...
1
vote
0answers
47 views

Speeding up ArcGIS arcpy.Merge_management for MANY files? [on hold]

I'm currently running a script that is using the arcpy.Merge_management function to merge roughly ~1500 shapefiles together. When I tried this with much smaller test runs, it ran perfectly. Now ...
7
votes
1answer
18k views

How to change the unit of measure from degrees to meters in QGIS?

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 ...
0
votes
1answer
34 views

GDAL -SQL or -where options

ogr2ogr -overwrite -t_srs EPSG:3978 -f "ESRI Shapefile" -sql "SELECT * FROM 'Layer Name' WHERE FIELD_NAME = 'A CLASS'" dst.shp src.shp help me out here - looking to 1) reproject a shape and 2) ...
1
vote
0answers
9 views

Loading Shapefile with Work Network creating Negative Scale

For the company I work for, we have our own servers and network we load upon start up to do our work within QGIS. However its about 50/50 when loading an outside shapefile that it works. When I load ...
5
votes
3answers
1k views

Checking for number of shapefiles in directory using Python?

I want to test: to see whether or not ONE AND ONLY ONE shapefile (which will be based on a filename wildcard) exists in a directory. Add these shapefiles to a list Use this list variable as an ...
0
votes
1answer
30 views

Shapefiles failing to merge

I am attempting to merge two shapefiles together. Both are line features. I have merged these files before and it worked successfully however due to problems during editing I have to start again and ...
0
votes
0answers
10 views

Label rendered with empty features using geotools

I am using geotools to generate some images based on the shapefile data, it works well until I tried to add labels for the line features: the labels are rendred even there is no features in the ...
1
vote
1answer
203 views

40k+ points from Shapefile, clustering them and populating on Google Maps/Webapp

I just started a new Python/Django webapp job related to GIS (and i'm totally new to GIS). Here is my task and what i have found so far, and i am stuck as to finding out what's the best way or the ...
3
votes
5answers
3k views

Shapefile for India which includes Telangana (state)?

I need a shapefile for India which is up-to-date to display the regional borders. By up-to-date, I mean that it includes Telangana as a state. Many shapefiles that I downloaded do not have Telangana ...
1
vote
2answers
102 views

Exporting .csv file as .shp in QGIS?

I am a newbie to QGIS. Here's what I'm trying to achieve: Step 1: Load the required GIS layer (*.shp file) Step 2: Load the .csv file in QGIS Step 3: Perform the join based on common attributes ...
0
votes
1answer
21 views

Hand-held GPS to which I can upload imagery and shapefiles?

We've been struggling with Garmins. We can upload imagery and data using a phython script to create a KMZ file then drop it onto the GPS. It kind of works (much better on the newest units, barely on ...
-3
votes
1answer
70 views

How to write a script that will merge shapefiles? [duplicate]

We use an application called IntraMaps Roam. Our guys go out in the field, mark up their maps with GPS points, and then bring them back to the office. They will copy their shape files to the server ...
6
votes
3answers
1k views

Order of polygon vertices in general GIS: clockwise or counterclockwise

Two days ago I asked a question about the internal storing order for the vertices of a polygon in ESRI shapefiles. That question was answered (Are polygons stored clockwise or counterclockwise in a ...
2
votes
1answer
202 views

Extract data from netcdf using a shapefile polygon in python

I need to subset data from a NetCDF using a specific shapefile. The data are sea surface temperature and ocean color at 1/4 degree resolution. I have 4 polygons describing the US. Northeast ...
1
vote
2answers
304 views

How to plot Storm Prediction Center (SPC) Shapefile using python

I am trying to make a plot of the SPC's thunderstorm outlook using Python. I have downloaded the shapefile from this website http://www.spc.noaa.gov/products/outlook/day1otlk.html. Then I use this ...
0
votes
2answers
47 views

Help finding point in polygon via Spatialite with example karst zones data

I'm working on a school project involving Spatialite and point in polygon queries. I've successfully followed this example: http://blog.crazystyle.net/?p=255 I am now trying the same sequence of ...
2
votes
3answers
887 views

Comparing and reporting shift between two shapefiles using ArcGIS Desktop?

I have two shapefiles. One is an original route polyline file and another is an updated polyline file, where the shape is modified to google maps. How can I compare the updated shapefile with the ...
4
votes
3answers
2k views

Importing .shp to postgreSQL

I want to import a shp file to postgreSQL. First I create sql file and then run PostgreSQL. To create sql file, I run this command in windows cmd: shp2pgsql -s 4326 worldCountries.shp worldcountries ...
0
votes
1answer
335 views

Get shape file polygon attribute value at a specific point using Python (e.g. via PyShp)

I have a shape file comprising multiple polygons. These polygons have attributes. I am trying to write a script in Python that takes a co-ordinate point, determines in which polygon it falls, and ...
0
votes
0answers
13 views

Importing shapefile and exporting it as cgm file in Arcview? [closed]

I am very new to Esri's ArcGIS for Desktop. I have downloaded the trial version and want to import shapefile and save it to cmg file. Is it doable in ArcMap?
0
votes
2answers
55 views

Moving a shapefile point 500 m west

I am a novice to arcgis 10 so please forgive my ignorance.I have this 2000 survey points shapefile and I was told to , I guess is dislocate, generate new survey points, each new should be 500m west ...
1
vote
0answers
24 views

Create HexBins for shapefiles

I usually create hexbins using the MMQGIS tools in QGIS. I would create a hex layer and intersect it with a shapefile. I've tried to create a hex shapefile and importing it into a PostGIS and tried to ...
0
votes
1answer
19 views

Uploading shapefile into postgis

I am trying to import some shapefiles into postgis. Now I have an example database within my download of postgis. In this database I can import the shapefile by changing the DBF file character ...
0
votes
1answer
195 views

Shp2pgsql - exec() not allowed on external server

Me and my collegue are using the shp2pgsql and psql commands in php code (a Drupal module to be precise). We put these commands in a php variable and use the exec() command to execute them. This ...
1
vote
1answer
59 views

QGIS corrupting shapefiles?

I'm hoping someone out there might be able to help or suggest some tests to try and resolve some very odd QGIS behaviour of late... Our core GIS team of 4 users has been testing v2.10 prior to ...
1
vote
1answer
31 views

Legend information in shapefile

I am a novice to the field of GIS so please forgive my ignorance. I am required to plot a shapefile (.shp) on a basemap which is an openlayers map. The shapefile is published in GeoServer as a wms ...
4
votes
3answers
4k views

Using PyShp to convert polygons in *.csv to *.shp files?

I'm converting csv data to shapefiles using the pyshp python library. What I want to do is very similar to Using the python shape library: pyshp - how to convert .csv file to .shp, except that I ...
1
vote
2answers
2k views

Calculating sum of geometric length of shapefile in ArcGIS Desktop?

I have a shapefile with lots of line routes. I projected it and calculated the length using calculate geometry. How can I get the sum of all these routes in ArcGIS Desktop?
3
votes
1answer
55 views

Find shortest path between points avoiding shapefile?

I am an intermediate python developer with very limited GIS experience. I have a list of latitude/longitudes of a ship at sea. I need to join them into a polyline using the shortest distance between ...
1
vote
1answer
20 views

Creating a new layer from a spreadsheet and an existing shape file in QGIS

I have a map of US zip codes and a spreadsheet that associates data with specific zip codes. I want to show the zip codes where the most data exists using a gradient, but I am not even sure how to get ...
0
votes
1answer
26 views

How to convert shapefile of India into a system with longitude and latitude system?

I have two shapefiles of India. One is without PoK and other is with Pok. I want to convert the shapefile of India with PoK into a co-ordinate system with longitude and latitude (same as without PoK). ...
1
vote
0answers
12 views

join a polygon shape to the attributes contained in a shape containing three points

I need to join a polygon shape to the attributes contained in a shape containing three points ( all within the polygon ) with different information. Using the command merge attributes by position ...
2
votes
1answer
40 views

Generating graph edge list from polyline and point shapefiles?

I have a polyline shapefile of rivers/stream segments, and a point shapefile of intersection points (nodes) between the segments (edges). Each stream segment starts and finishes at an intersection ...
0
votes
1answer
19 views

Can you display mxd files on a app for iPads?

I would like to know if there is any apps that can displaying ArcGIS data? I have multiple .mxd's that i would like to display on a portable app.
68
votes
20answers
58k views

How to convert between KML and Esri's shapefile (SHP) format?

My users are sending me point data that were digitized using GoogleEarth. How can I convert their KML to a shapefile?
2
votes
1answer
33 views

How to calculate the form (or shape) factor of a polygon?

I am using QGIS to calculate the form (or shape) factor of polygons following what Louf and Barthelemy did here: http://rsif.royalsocietypublishing.org/content/11/101/20140924 The form factor is ...
1
vote
3answers
363 views

Calculating new shapefile areas after clipping using ArcGIS for Desktop?

I'm working with the WWF ecoregions, which use the GCS_WGS_1984 geographic coordinate system. I have clipped the ecoregions with a species range (consisting of two polygons), but the new attribute ...
0
votes
2answers
41 views

How to Dissolve Polygons Inside a Feature Class Based on Attribute Conditions

I have a large shapefile (saleArea.shp) which includes hundreds of small adjacent polygons. I would like to dissolve the polygons based on some conditions from tValues field into 5 bigger groups like ...
1
vote
2answers
252 views

Reducing Size of KML file (After converting from Shapefile)

I have a shape-file of size 224 mega byte. I am using ArcGis to convert it to a KML file. The process involves converting the shapefile to a feature layer and then converting the layer to KML. An ...
1
vote
0answers
37 views

CSV file locked for editing after join

I have created a table join between a vector shape-file and a csv file using pyQgs. Now i want to edit the csv file (not from inside QGIS) . But when i double click on the csv file , it says that ...
1
vote
0answers
22 views

Spanish municipality level shape file and population data

I'm struggling with the Spanish municipality level, it would be great if someone can help. I need to incorporate population data with the lat/long for each Spanish municipality and below are the ...
0
votes
1answer
42 views

QGIS Vector Data with blank attribute tables

I have vector data shapefiles for Manitoba, but there is no names in the attribute tables. It seems Manitoba is still working on their attribute data. Is there a shapefile I can download to get these ...
1
vote
1answer
324 views

ogr2ogr - extracting S-57 layers

I'm trying to extract the layer DEPARE from an S-57 datafile and convert it into a shapefile. I'm using ogr2ogr from OpenGeo Suite 4.5 (GDAL 1.11.1) on Windows 7 64 bit. The problem is that when I ...
0
votes
0answers
19 views

Creating an interactive map that uses a point shape file to display information

I have a raster map, a PNG of a fantasy map, which has points on it. I want to create a interactive map that displays information (text) whenever you click on a point. An example of what i'm after ...
0
votes
0answers
26 views

GeoPandas save to shapefile issue: Unable to open EPSG support file

When I try to use to_file() to write a GeoPandas GeoDataFrame to a shapefile I get the following error. df3.to_file('~/Desktop/testout.shp', driver = 'ESRI Shapefile'); ERROR:Fiona:OGR Error 4: ...