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
20 views
R : convert a spatial polygon objet to spatial polygon data frame
My goal is to modify an existing shapefile by merging certain polygons.
After importing the shapefile and using the UnionSpatialPolygons command, I get the polygon outline that I want.
However, this ...
1
vote
3answers
83 views
How to convert KML (Google Latitude) to SHP on Linux?
I downloaded a KML track from Google Latitude. The service allows to download the tracked route from the user's profile providing a link such as:
...
0
votes
1answer
59 views
ST-Links convert Feature Class to DB Table error
I'm using ArcMap with the ST-Links SpatialKit Conversion tool to convert a Feature Class to a DB Table. But I'm getting an error: ERROR: 42601: type modifier is not allowed for type "geometry".
I ...
5
votes
2answers
641 views
Converting KMZ/KML to SHP (3D objects)
I have 3D buildings in .kmz file. I can see them in Google Earth, but I cannot import them to ArcGIS. What I've tried until now:
I saved it as a .kml file in GoogleEarth and then try to convert the ...
0
votes
1answer
76 views
Kartograph Open Street Maps
Firstly, congratulations to Gregor Aisch for creating such a wonderful library, thank you!
I am having a little trouble rendering an svg from some osm data. I downloaded the Sweden transportation ...
2
votes
1answer
412 views
DXF format for QGIS
I am trying to import some DWG files into QGIS. I am using ODA to convert the DWG files to DXF and then want to use the Dxf2Shp converter plugin in QGIS.
The ODA converter has many options for the ...
0
votes
3answers
32 views
How to compare differences in two shapefiles? [duplicate]
I am a new user to Arcmap 10. I've been trying to figure out how to compare two polygon shapefiles. I need to figure out what the difference is from 2007 - 2013 (increase/decrease) in a couple of ...
3
votes
1answer
40 views
Attribute manipulation on shapefile
I have a shapefile which contains landuse types. The Landuse types are written in a field called "Type" and contain also the area in m² and a landuse code. Some polygons contain more than one landuse ...
2
votes
3answers
40 views
Breaking a continuous contour shapefile into smaller parts?
I created this contour shapefile and I need to break it into smaller parts so its better to manage. I also have a line shapefile of where I want the breaks. Is there a way to intersect and break them? ...
12
votes
6answers
621 views
Should I use File Geodatabase (*.gdb), Personal Geodatabase (*.mdb) or shapefiles?
I am a bit confused on the topic of databases. For me, this far, I have used databases as an easy way to keep all files together rather than having dozens of shapefiles all over the place. And it's ...
1
vote
1answer
67 views
Mapnik TextSymbolizer value as integer
I'm working with TextSymbolizer in Mapnik. I have a shape file with a attribute which is a real. I wish to print the value of this attribute as integer and I don't find how I can do it in Mapnik.
I ...
1
vote
2answers
83 views
Why does my 113th Congress Shapefile match up with the wrong districts across the country?
I downloaded a Shapefile from the Census on the 113th congress broken down by district nationally: http://www2.census.gov/geo/tiger/TIGERrd13_st/nation/tl_rd13_us_cd113.zip
Within the .dbf file, ...
0
votes
2answers
65 views
Python to get ids from shp dont return all records
I have some Python code to get the ids and georeference from a shapefile:
canvas = qgis.utils.iface.mapCanvas()
allLayers = canvas.layers()
nos = QgsFeature()
for i in allLayers:
if ...
1
vote
1answer
56 views
How to truncate field names to 10 characters in model builder
Apologies that I have not posted an image of my model, I am away from my computer for a while but am trying to sort this out anyways.
I have a number of different animal GPS location points, and a ...
3
votes
1answer
271 views
Geotools - overlay shapefile on WMS layer
I am trying to overlay a shp file on wms layer using the example http://docs.geotools.org/latest/userguide/tutorial/raster/image.html.
Each time I want to read the format of the file to get a reader ...
0
votes
1answer
72 views
How to convert geometry of SHP to decimals
I try to create a line with two points. These points are obtained in a SHP layer.
How can i convert that points to decimals?
Thank you
0
votes
0answers
24 views
Looks like a ghost polygon. Border line can not be deleted though two feature is the same layer
I'm a QGIS 1.8.0 user.
I received broken shape file.
I found one feature which has a border line within polygon.
I tried to delete line with tool;Merger, Dissolve, Node tool and etc.
I got the ...
0
votes
1answer
42 views
I want to change using C# the style of a set of shapefiles once I have uploaded them or while I am uploading them
I am using C# and the WebRequest class to create a worksapce and then another WebRequest to create a datastore and upload a folder full of shapefiles to a geoserver. However, I would also like to ...
2
votes
1answer
113 views
QGIS rounds up the coordinates to six decimals when saving layer changes
I have the problem that when I create a new point (in a point layer) or a new line (in a line layer of course) and I save the changes to the layer (so NOT the project save) then QGIS rounds up the ...
1
vote
1answer
34 views
How to publish shapefiles with GeoServer?
I have multiple shape files of my country, its states and cities. I want them to display in map i.e. First layer is country, then states-layer and then cities layer. I only know that to do this, first ...
0
votes
1answer
38 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 ...
0
votes
1answer
31 views
Trying to use clip tool but keep getting ERROR999999?
The layer being used as the 'clip features' has been used before and worked fine, so i assume the issue is the layer im trying to clip (Input Features) - I keep receiving the same error when running ...
1
vote
1answer
72 views
How to dissolve polygons and aggregate their data in QGIS?
I have a shapefile (one layer) with my country but I have a problem.
It is divided into 4 entries (prefectures), and I want it as one, not 4.
Also, there is a table with some data, and I want to ...
0
votes
1answer
23 views
How to show .shp file on Mapview(ArcGIS Android SDK 2.0.0)
I'm using ArcGIS Android SDK for first time. I have worked on a sample project and am able to get a World map using this..
map = (MapView) findViewById(R.id.map);
map.addLayer(new ...
3
votes
3answers
227 views
MODIS image reprojection/ change coordinate system in ArcGIS 9.3
I have downloaded Utah state shapefile in NAD_1983_UTM_Zone_12N projection and also downloaded the MODIS image of the area (MOD09Q1) in .hdf format which has sinusoidal projection.
the .hdf format ...
3
votes
1answer
40 views
Is it possible to use UTF-8 characters for shapefile attributes?
I heard that according to a specification shapefile attributes stored in dbf-files cannot have UTF-8 as encoding.
And then I found out that an additional file with the ending CPG can be used to define ...
0
votes
1answer
27 views
Writing iso19139 compliant xml metadata from a spreadsheet
I am looking at a way to migrate the metadata from a spreadsheet into iso19139 compliant xml metadata documents for a collection of shapefiles. I can parse the data out of the spreadsheet into strings ...
2
votes
3answers
57 views
How to preserve text when converting from .dxf to .shp?
I have tried using dxf2shp converter in QGIS but the text in dxf file is being lost during the conversion process, despite selecting export text labels.
I would be grateful if someone can help me ...
1
vote
1answer
40 views
Display Shapefile on website (Java or PHP)
i have to write an application where similar to Google Maps where i have to display a shapefile in a web application. My available technologies are Java (frontend framework: Apache Wicket) or PHP. It ...
0
votes
1answer
18 views
BBox missing when converting TIGER to GeoJSON
I can't get the bounding boxes of polygons if TIGER/Line shape files when converting them to GeoJSON using FWTools. The other default information is present and there is no difference between the ...
1
vote
1answer
25 views
If I've given two different layers the same CRS, why won't they overlay one another?
I have a "towns" and "state" shapefile for Massachusetts as two separate vector layers in QGIS. I've set the project coordinate system to WGS 84 at the bottom of the screen (next to the "coordinate" ...
1
vote
1answer
34 views
From OSM to shape. Parsing problem
I'm working at OpenStreetMap project for android at the moment. I want to retrieve OSM data from my app(nodes, markers and paths) and convert it to shape file (.shp, .dbf and .shx). Later, I'll load ...
3
votes
1answer
108 views
Shapefile postgis database to be queried by GeoDjango
I would like to create a Postgres database (postgreslq-9.1 and postgis-2.0.2) storing several shapefiles but I am uncertain on how to implement it so I'm searching for some advices.
I have already ...
7
votes
1answer
152 views
Determine minimum number of polygons from shapefile to cover an area of interest
I have a large number shapefiles representing areas of interest for an analysis that will be conducted using various sources of satellite imagery (IKONOS, RapidEye, etc.). Unfortunately, the imagery ...
2
votes
2answers
66 views
Built a query for polygon Shapefile in R
I use the package maptools to read in Shapefiles in R. I would like to know if there is a function that can built up a query/subset to select only some Polygons based on a specific attribute in the ...
3
votes
4answers
3k views
Change order of features in a shapefile
I have a shapefile and I want to change the order of the features.
Is that possible using ArcMap?
Thank you!
0
votes
1answer
34 views
Opening specific area only
I have a Shp file loaded of a County boundary, but i would like to open another shp file but only show the lines etc within that area and automatically delete anything outside.
Thank-you
0
votes
0answers
54 views
Grass won't import shapefiles
I have a problem involving the import vector data command, specifically importing shape files. I installed QGIS on a pc at work and there I could import shape files into GRASS GIS 6.4.3RC2 (which is ...
0
votes
1answer
62 views
Saving part of OSM shapefile in QGIS as GeoJSON strips 'name' field to 25 characters long
I want to copy part of OSM data in ESRI Shapefile (downloaded from http://download.geofabrik.de/europe/ukraine.html ) and save in in GeoJSON to style later in Tilemill.
After saving, I see that ...
2
votes
1answer
66 views
File size limitation for shape file
I am going through File size limitation for shape file esri support article (this article applicable for ArcGIS 9.X version not for 10.X ) I know may be same article will applicable for 10.x version
...
0
votes
0answers
25 views
catchment delineation
I am trying to use qgis to delineate between three sub-sub-catchments.
I have contour shape file of 20 meter height.
Sub-catchment is about 12 square kilometers area but consist of three ...
2
votes
2answers
54 views
Where to download USGS DOQQ boundaries?
I downloaded a shapefile of USGS DOQQ boundaries a few years ago and cannot seem to find one now. The attached image shows an example of the shapefile I'm looking for (green polygons showing the ...
0
votes
0answers
13 views
MapInfo8.0 is not letting me edit layers imported from the server? [duplicate]
I have imported 4 layerts from my server for use in MapInfo, when i went to edit these layers the edit tool for each of these layers is grey and non accessible.
Any suggestions would be greatly ...
-2
votes
0answers
53 views
How to convert shape file to .map format
i have made a .shp file from the srtm data for contour making.I need to get the output as >map format,with elevation details.If i am trying to convert into .bna there is some error happens along with ...
10
votes
2answers
7k views
How to calculate polygon areas in QGIS?
Hi I would like to simply calculate areas of a area-shape file in square meters or in acres (ha).
I didn't find that functionality in the vector tools.
Could anyone here help me with that?
22
votes
6answers
750 views
“Oddities” in the Shapefile technical specification
I've been writing a shapefile parsing library, and have encountered a couple of design decisions in the specification that I don't immediately understand. I'm hoping there's a wizened old ESRI ...
3
votes
1answer
475 views
How do you open shapefiles with ogr2ogr
I'm following along the D3 tutorial, and on this line:
ogr2ogr \
-f GeoJSON \
-where "adm0_a3 IN ('GBR', 'IRL')" \
subunits.json \
ne_10m_admin_0_map_subunits.shp
run into the following ...
0
votes
2answers
54 views
Splitting Shapefiles [duplicate]
I am trying to create a code that will accept the input of a shapefile, and separate each of its features into separate shapefiles into a specified directory location. Can anyone help ? I am trying to ...
0
votes
0answers
20 views
NYC Building Perimeter Shapefile after 2011
I've been using the following NYC building perimeter shapefile from the DOTT for some work. This file however dates back to 2010. Is there a newer one available, and if so where?
I have found this ...
1
vote
1answer
125 views
How do I add my own map layers to Leaflet
I have a Leaflet map and want to add two of my own small polygon layers (currently in shapefile format, but they could be converted to GeoJSON). Can this be done without a mapserver to publish them ...
