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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Converting *.asc to *.shp without using ArcGIS for Desktop or QGIS?

I am trying to perform file conversion programmatically, using C#. I have read the ESRI Shapefile Technical Description (An ESRI White Paper—July 1998). I cannot calculate records for *.shp file ...
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2answers
7 views

How can I generate a SVG file of Mexico and USA at states level (Admin1)? Kartograph fails

I am trying to include a US map at the state detail on top of this maps: http://crimeinmexico.org/ I am using Kartograph for the small map. I have installed kartograph in Mac OS X and I am able to ...
2
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2answers
28 views

Intersect Shapefiles using Shapely

What I'd like to try and do is intersect some point buffers with census tracts, maintain their ID's and the tracts attributes. I found a sample from ...
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0answers
23 views

ArcGIS Javascript API: Adding a shapefile with more than 1000 points

I am able to add shapefiles with less than 1000 points by using the ArcGIS Portal REST API as shown in this example: https://developers.arcgis.com/javascript/jssamples/portal_addshapefile.html ...
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7 views

How to get attribute details from shapefile in ms4w?

server through my initial search I do some basic coding. Now my problem is how to show the attribute details from shapefile. I can able to get map but I am not able to get names. below is my code: ...
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14 views

How to use shapefiles with CGAL?

I read a few posts here at GIS.SE that points to algorithms in CGAL, e.g. Simplifying polygons to linestring. I'd like to test algorithms in CGAL for medial axis transformation, but the examples are ...
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0answers
23 views

Operations between shape layer and csv layer

I've got a question for you! I have a .shp layer containing point geometry with xy coordinates in the attributes (left) and a .csv layer containing a square Origin/Destination matrix(right): I ...
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1answer
34 views

Best way to show shape file in a layered map

I'm creating my first app using maps and shape files. I have some shapefiles with attached dbase databases and I would like to show these shape files as an overlay on a map. I have JavaScript code ...
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1answer
44 views

Are polygons stored clockwise or counterclockwise in a shapefile? [duplicate]

I'm working with polygon coordinates in QGIS using PyQGIS using ESRI shapefiles as input data. My question is, are the polygon vertices (I'm referring only to the outer boundary in the case of ...
2
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1answer
47 views

pgsql2shp ERROR: incompatible mixed geometry types in table

I have multi-linestring in .shp files and I split the lines with postgis, but that result is only geom column. It does not works with shape file exporter error: incompatible mixed geometry types ...
2
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0answers
45 views

Issue with dissolving a polygons layer in QGIS 2.4

I downloaded a dataset of roads and parks from OSM. I then buffered the roads and merged with the parks. Now - all i want is to dissolve / union all the features in the merged layer. I fail to do it ...
2
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0answers
28 views

does the census bureau provide clipped / water-bounded files as nice as certain cities?

this question says they do but when i compare what i can find in the cartographic boundary files section of the census bureau's gis page, they don't look as good as certain shapefiles provided by the ...
3
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1answer
31 views

Looking for shapefiles for Canadian shale plays with labels and/or meta data about the plays

I work for a company in the oil and gas industry. We are making a geospatial map with mapbox and leaflet. Our task is to show shale plays in relation to other industry items like well sites. We ...
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0answers
13 views

Shapefile Conversion to ERDAS Signature editor

I'm trying to run a supervised classification for an image. I was working with it in ArcMap and created some training data. I wanted to see if I could get a better result with Erdas Imagine using the ...
1
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1answer
25 views

Unable to add features in QGIS 2.4.0

QGIS beginner problem. I can no longer create features with "Add Feature" in QGIS. The info triangle message is "Transform error caught: forward transform of (0.000000, 0.000000) PROJ.4: ...
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0answers
37 views

How to clear areas outside map in R

I succeeded thanks to the eblonde in the disscution (problem with polygon smoothing in R) to smoothing polygons in R. Code: inter1= read.table("c:/inter2.csv", header=TRUE) #add a category ...
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0answers
36 views

OpenLayers preview problem?

I just want display shapefile (.shp) that I have made in QGIS in openlayer geoserver. but There is a strange object that appears. I want to ask how to get rid of the strange object.
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0answers
35 views

Can QGIS generate a map that composed of several .shp maps?

I'm using QGIS-2.4.0 API to develop application. I need a map that composed of several vector layers. If only this, it can be done by merge in QGIS, but I need more for that: the map(or project?) I ...
3
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1answer
36 views

shapefile record has no attribute named bounds

This is the code that I am using to print the bounds of my shapefile. import fiona import shapely import shapely.geometry fc = fiona.open("filename.shp") shapefile_record = fc.next() shape = ...
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0answers
17 views

Path on network returning wrong results

I have created a shapefile of polylines that represent a path with multiple intersections. Then I have used the networkx python library to create a network. At the first the results were satisfactory. ...
3
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2answers
37 views

Digital Elevation Model and Shapefile not aligned in openWind

I have a digital elevation model and a shapefile containing point features for the location of wind turbines. These two layers appear to be aligned in QGIS but when I open them in openWind, they are ...
2
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1answer
42 views

Plotting Postal Codes from .csv Files in QGIS

I have Canadian postal code data that I would like to plot. This data is currently stored in a simple .csv file. At the moment the only other data I have is FSA data from Statistics Canada. Is ...
2
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1answer
50 views

Clip raster by shapefile in parts

Please help write .sh script command to clip raster by polygonal shapefile. Shapefile have name field with unique name of polygon feature. On the output must be rasters with name of polygons in ...
2
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0answers
32 views

Kartograph - AttributeError: _Shape instance has no attribute 'parts'

I am new to GIS and open source tools so bear with me. I am attempting to convert a shapefile to svg by running kartograph as a python module. My source file (provided by the local GIS ...
2
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1answer
66 views

Opening shape file in OpenWind

In QGIS I have used the OpenLayers plugin to locate a wind farm. I have then used the add feature function to place a point at the base of 7 turbines. I have saved the shape file as an ESRI Shapefile. ...
2
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0answers
88 views

Place an image svg into an R plot

I have a set SVG icons (weather icons ) and I want to create a figure with svg superimposed images representation of a Shapefile. below my shapefiles and points representing the position where I ...
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2answers
67 views

Is there a command line tool for converting projection in .prj and GeoTiff to EPSG codes?

Is there a command line tool to convert a shapefile projection in the .prj file into corresponding EPSG code? I know that there is website http://prj2epsg.org/search for doing this online, but I ...
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1answer
24 views

Uploading large files to ArcOnline

I am trying to upload a large shapefile to ArcOnline, however I found out ArcOnline won't upload any shapefile that has more than 1000 features. My 30 shapefiles have over 1,000,000 features each. ...
2
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5answers
104 views

Unable to export data to ShapeFile in ArcGIS

I've imported an Excel sheet into my ArcGIS project but am unable to convert this to a ShapeFile. When I try, via export data, I get an error message saying either 'output name is not valid', whatever ...
3
votes
2answers
62 views

Reprojection of shapefile in R and final extraction of values

I need to extract values from some raster files (stack) using a shape file. to bring both of them in the same CRS, I first transformed the shapefile using the EPSG codes. Opening it in an GIS software ...
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2answers
56 views

Unable to plot values for individual fields in my table using ArcGIS for Desktop?

I'm having problems adding tabular data to an ArcGIS project and need some help! Example of my table is below (please note that the fields have been edited since the capture was taken to remove any ...
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0answers
52 views

How To Bulk Export Shapefiles Into Microsoft SQL Server using QGIS or PostGIS

Hey all thanks so much in advance for your help I have been researching this issue for a while. I have found two popularly suggested ways to preform this task: ogr2ogr - just take a shapefile and use ...
2
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0answers
18 views

Querying a shapefile and returning values?

I have a lot of experience making maps in ArcMap. I don't have much experience programming or working with APIs. Here's the (simple) problem: I create a shapefile of a region and then load the ...
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1answer
36 views

Where to download shapefiles of interest for Honduras

Where can I download free Shapefile data for Honduras including: roads departments municipalities points of interest
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3answers
100 views

How to export streets in a certain area from one shapefile to a new shapefile?

I have a shapefile with the roads from Europe and I want to export in a new shapefile only the roads from Greece. I tried to delete the other roads but there are too many and I have no attribute to ...
3
votes
2answers
145 views

Converting osm file to shapefile (or data frame) in R

I was looking for a road shapefile for Australia today. I ended up going to Geofabrik. Open Street Map has data in .osm format. But they do not have one in .shp for Australia. If possible, I want to ...
2
votes
1answer
45 views

How to merge shapefiles of two countries with QGIS [duplicate]

I want to merge the shapefile of Nigeria and Cameroon admin level 1. I downloaded the files from gadm but I cannot merge the files with QGIS or find a shapefile of Africa having countries at states ...
1
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1answer
26 views

organizing attribute table: multiple sets of variables per point

I would like to have hints on the best way to organize my dataset (I am working with ArcGIS 10.1, advanced license). I would like to build a points layer, each point being a weather station in the ...
1
vote
1answer
59 views

How to create a shapefile or gml from a Oracle database using SDE.ST_Geometry?

I have a ORACLE database 10g(Oracle Database 10g Enterprise Edition Release 10.2.0.3.0) with a SDE.ST_Geometry field and i want to make a program in python so i can create several shapefiles based on ...
9
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5answers
279 views

GIS analysis to find duplicate geometries

I have a big shapefile that contains all the buildings and houses of the town that I work in (approx. 90,000 features). The data of the buildings/houses are saved by the town's surveying engineers and ...
2
votes
1answer
64 views

How to cut and paste polygons in QGIS so they don't overlap?

I use QGIS, and I need to cut and paste polygons so they don't overlap. Here's what I mean: I have shapefiles for cities that I'm pasting into a new polygon shapefile. I also have shapefiles for ...
5
votes
2answers
108 views

Adding new record with specific coordinates into shapefile using ArcGIS for Desktop?

I need to create a new point record in my shapefile. When I use the Create Features tool in the Editor tool, I can click anywhere on my map to create a point, but when I go into the attribute table to ...
2
votes
2answers
65 views

Convert shapefile with lists to data frame in R

I would like to ask some help for converting a shapefile to data frame. I downloaded data related to roads from Natural Earth. I imported the shapefile using shapefiles package like the following. ...
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0answers
67 views

Using r, readShapeSpatial fails with simplified mapshaper.org shape

So I'm mapping out the postal regions of my country and it's an enormous, 5.4million row dataframe. I don't need every single little twist and turn of the boundries, so I was super excited to ...
-3
votes
0answers
36 views

Exporting group layers from Table of Contents (TOC) to Folders of shapefiles?

I have some group layers in the Table of Contents (TOC). Each group of layers references a few shapefiles from different source folders. I would like to export each group layer name as a folder and ...
2
votes
3answers
64 views

How to find all distinct values from a single column of an attribute table with GDAL (Python)?

I am working with GDAL and modify ESRI shapefiles with it. I am searching a possibility how to find all distince values from a single column of an attribute table with GDAL (Python). In SQL it would ...
-3
votes
1answer
102 views

Exporting file geodatabase (GDB) to Folder of shapefiles?

I have a geodatabase with several feature dataset and feature classes associated with it. I want to export each feature dataset as folder and feature classes associated with each feature dataset will ...
2
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0answers
56 views

Identifying certain polygon from overlapping set

To clean up a large shapefile, I am looking for a way to do the following: I have the ID of many polygons which need getting rid of stored in a list. These polygons are villages and a second ...
4
votes
2answers
164 views

How to save .shp to .csv so that the Name is in the first “column” of the .csv?

I am trying to convert a point shapefile to .csv with locations in QGIS. The problem I am having with the conversion is mainly that, in the resulting .csv file I would like to have the Name and then ...
5
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2answers
74 views

Is there a standard for the specification of .prj files?

We use shape files for data exchange. I've looked at the .prj files: different programs produce different prj files. Is there a standard how the parameters must be specified in a prj file? AFAIK the ...