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.
4
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49 views
Can I edit shapefile while using a definition query in QGIS?
Is it possible to edit shapes while using a "definition query" or "query builder" in QGIS? I'm trying to do this in the same way I used to in ArcGIS.
Thanks!
4
votes
0answers
94 views
Problem opening a shp in another application
I helped a colleague converting waypoints from a gpx file to a shape file. My colleague has only arcMap. I gave him the shp and when he opened it in ArcMap, it did not show anything in the attribute ...
4
votes
0answers
682 views
Union, Dissolve, Buffer — multiple layers, all in one step?
I'm a new user of Quantum GIS (1.7.3) and I need to repeat a task multiple times, so I'm wondering if there is a quicker way to do the following (with three or more polygon layers - each layer has a ...
4
votes
0answers
483 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 ...
3
votes
0answers
58 views
Shapefile and DEM: check rivers behaviour
I'm working with shapefiles representing rivers (rivers.shp), and DEM for the terrain elevation (terrain.tif).
Basically, I want to check that my rivers (stored as polylines in my shapefile) behave ...
3
votes
0answers
59 views
Creating a ShapeFile spatial index programmatically in .Net
I am creating a shapefile programmatically using DotSpatial using the following example syntax / pseudo code
FeatureSet features = new FeatureSet(DotSpatial.Topology.FeatureType.Polygon);
...
3
votes
0answers
47 views
QGIS Workflow Problem
I have 3 SpatiaLite layers (one without geometry but with fields that need to be filtered, one with points and one with polygons, both without any non-geometry fields) that need to be combined to a ...
3
votes
0answers
155 views
How to create Relationship Classes successfully
I'm new to ArcGis and I'm making the first steps at this time. At the moment I've two different shape files. The first shape file represents streets on a map with some detailed information in the ...
3
votes
0answers
233 views
Ogr2Ogr exported this boundary 90 degrees incorrectly
I've got some GEOGRAPHY data in my Sql Server 2008. I wish to export it as a shapefile (so I can import it into QGIS) and when I do, it's rotated 90 degrees to the left.
Command line
C:\>ogr2ogr ...
3
votes
0answers
300 views
Trying to fill polygon fills the entire map
I have been given some shp files to be displayed using Mapserver. Until now I was able to find the correct projections, display the map, and show labels. However, I have problems with polygon colors. ...
2
votes
0answers
74 views
How to avoid creating corrupt Shapefiles during Editing?
I have one of my GIS technicians digitizing some lines in QGIS in shapefile format. I don't know how he did it (and neither does he), but somehow the shapefile became corrupt. It was creating random ...
2
votes
0answers
56 views
Shapefile and geocoding to retrieve an area name
I'm very new to GIS and all things geospatial!
I have dbf, prj, sbn, sbx, shp and shx files that have been provided to me. The shapefile contains information on parts of the country that have been ...
2
votes
0answers
81 views
Adding polygon to existing database column
I've built a database with postgreSQL with a few geometry columns.
When I add some data to my non-geometry columns, I can see them in QGIS when I connect to my DB using postgis. Now, I want to add ...
2
votes
0answers
50 views
Applying depth to Shapefile
Apologies if this question has been answered before.
I'm digitizing a historic coastline and would like to add a single depth figure to it in order to merge it with a current contour model. Is there ...
2
votes
0answers
188 views
How to join data from a CSV to a shapefile using QGIS
I'm new to GIS and new to StackedExchange.
I need help joining a CSV of Accessibility data to a LSOA shapefile in QGIS.
The process explained here does not work for me and I don't know why. The ...
2
votes
0answers
148 views
Open shape file in ArcGIS Runtime WPF SDK as Graphics/Feature layer
I googled and followed this tutorial
http://www.arcgis.com/home/item.html?id=953a530ada30477d95cc69e788268bc9 and figured out how to import Shape files and Rasters into Runtime.
However, it seems ...
2
votes
0answers
150 views
How to Export a Shapefile as KML Using R
All,
I have exported an ESRI shapefile (polygon) to KML using R, but the resulting layer shows only the outer extent of the polygon.
How can I fill in the area with a color?
Any help is greatly ...
2
votes
0answers
73 views
How to cut lines in a shapefile following a GPX-source?
I have a OSM-Shapefile containing all roads of a given area. I need an overlay cut out of this source-Shapefile that contains only some routes that I want to highlight on my map. I have some ...
2
votes
0answers
97 views
KML files to IPad securely? Altitude and shape problems in Google Earth
Does anyone know any options for maintaining privacy of the files and getting them onto iPad using Google Earth?
Using Google account to link to Google Earth, privacy settings in Google my maps are ...
2
votes
0answers
164 views
create geotiff from shapefiles
I need to colorized geometries from shapefiles and convert them to raster image (geotiff).
I tried to use geotools's VectorToRasterProcess and ImageWorker
("d:\gis\tmp\32 27 25 w4.shp" is path to my ...
2
votes
0answers
413 views
How to draw an overlay using KML on our own app in Android?
Repost from here
Hi there,
I want to draw an overlay using .kml files, just look like this. But on my own app in MapActivity.
31.kml, display district in Jakarta, Indonesia
or
the example that I get ...
2
votes
0answers
94 views
Geotools throws “Cannot encode multilinestring (yet)” while Shape import on Linux
I've encountered a strange platform-dependent SHP import problem.
Everything works fine on Windows, shape files are converted fine to database.
There is although small little warning:
[[ACTIVE] ...
2
votes
0answers
64 views
Determine which points fall within a 3D polygon and export this subset to a flat file
I am working in ArcMap 10 and will have a 3D representation of a zone of transmission. I would like to determine which GPS points fall within this polygon and then export this subset out to a flat ...
2
votes
0answers
351 views
How to overlay geographic data from multiple sources?
Being a newbie to GIS, I am trying to create a map using shapefiles and addresses found online, as an exercise. The steps are below:
I downloaded a shapefile of Connecticut from the following link ...
2
votes
0answers
108 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!.
...
2
votes
0answers
859 views
Extract parcel layers from vector pdf
So, I have an interesting problem... I have a PDF file which has over 100 pages and each of these pages is displaying a map in vector format.
By using some third party program I was able to find out ...
2
votes
0answers
395 views
Adding shapefile causes ArcMap Drawing Errors (General function failure)
I am creating a map that is a hodgepodge of databases, stand alone shapefiles, and a couple image services. Everything seems to go as expected until I add a certain shapefile to the mix. Then all of ...
1
vote
0answers
78 views
Google Earth export from QGIS
I'm using Quantum GIS. Is there a way to export a shapefile to Google Earth format (*.kmz) using QGIS?
Thanks.
1
vote
0answers
62 views
Mapping between two different agencies roadway shapefiles of Las Vegas in ArcGIS
I have two roadway shapefiles of Vegas. But they do not overlap. One of the file has a certain shift from its exact location. Can anyone help me how can I move the location so that they overlap ...
1
vote
0answers
39 views
Join .csv file and .shp of georeferenced points
I have georeferenced a map and saved a selection of some points on the map. These points are cities of departure and arrival and I want to join the .shp with a and excel .csv with the information of ...
1
vote
0answers
52 views
How can I add data to a shp file attribute table from arcobjects?
I have a code that selects row data from a listview table in VB.net. I have declared that data as a variable and I can see it if I ask it to dispay a message box (see code below).
Now I would like to ...
1
vote
0answers
62 views
Natural Earth: How to get the position of all provinces that belong to a state
This question is about Natural earth 1:10 states and provinces.shp file. I'm using ogr2ogr and want to know the name of the id i need to pass . In purpose of pulling out the right states regions.
...
1
vote
0answers
63 views
“topo to raster” tool
is there any analogue of "topo to raster" tool (ArcGIS) in QGIS? I need to creates surfaces from shp for some cases from points and for some from lines and this instrument is very convenient.
1
vote
0answers
100 views
Can I create a custom Shapefile for SAS with QGIS?
Okay - I am in the process of configuring GIS within our organisation and am waiting for QGIS to be installed.
My aim is to use QGIS to compile a custom shapefile of the business regions used by our ...
1
vote
0answers
103 views
How to use GDAL to burn a selected value from one raster into another?
I think this should be a relatively simple process, but I'm not quite sure how to approach it.
I have a shapefile containing 1000's of polygons. I also have 19 rasters. All of the polygons fall ...
1
vote
0answers
26 views
Decent Alabama GIS Clearinghouse?
Alabama's data portal (portal.gsa.state.al.us) is down and I haven't come across any other GIS clearinghouses for AL that are as good as say, Florida's FGDL.
Does anyone know of a decent GIS ...
1
vote
0answers
127 views
How to convert shapefile to mapinfo file preserving special characters?
I have to convert a bunch of shapefiles to mapinfo files on a machine without a MapInfo license, so I am using ogr2ogr to perform this task.
The problem is that when opening the mapinfo files in ...
1
vote
0answers
109 views
How can I merge postcode sector polygons into larger territories in QGIS?
I'm new to GIS so patience might be required :-)
I'm building a basic web-based mapping tool for business use, to be used as a demo to show that we need one but managers don't know it yet!
So far ...
1
vote
0answers
43 views
SQL server 08 Limitations
The Soil SURvey GeOgraphic (SSURGO) database is a set of very large and complicated shapefiles. We want to load all of the shapefiles for the US into a national SQL database.
Are there import ...
1
vote
0answers
115 views
What is the best way to create polygons on a map and download files associated with the polygon?
My client wants to build a tourist site and for that he wants a backoffice for the map and the ability to draw polygons on the map (that user can see). When the user clicks on a polygon, he gets a ...
1
vote
0answers
253 views
importing shp file in matlab
I have digitize 3 rivers on google earth and converted into shp file to use in matlab. I have checked the shp file in Arcgis and they are working. But while opening in Matlab, matlab shows some error. ...
1
vote
0answers
110 views
Best practice for loading shapefiles into ArcSDE geodatabase using web application
We are developing a web GIS using Flexviewer and we want to allow users to upload a shp file and insert it into a ArcSDE geodatabase. I think there are two steps at least.
upload the shp file (zip) ...
1
vote
0answers
37 views
Is it possible to display filtered results on OpenStreetMap?
is it possible to goto www.openstreetmap.org and do a search for a place like Auckland (New Zealand) or Melbourne (Australia) -but- only show Cities or Neighbourhoods or Suburbs?
I understand that ...
1
vote
0answers
161 views
how to create a shapefile for 2 million points with geotools
I have to create a shapefile with the geotools java library for approx. 2 000 000 points and whatever strategy I apply I seem to run into out of memory exceptions as well as everything running super ...
1
vote
0answers
111 views
How to generate xml for use with geoxml3
I have a kml and shp I would like to convert to an xml to use with geoxml3. How would I go about doing such a thing? the xml I gen should look something like this:
<?xml version="1.0" ...
1
vote
0answers
190 views
ogr2ogr failed to reproject shapefile error exceeds limits
I cannot get correct transformation from WGS84 to the Hungarian EOV EPSG:23700 (Hungarian Datum 72) using ogr2ogr.
I am using ogr2ogr from the fwtools shell. I have a shapefile in GCS WGS84 (epsg ...
1
vote
0answers
214 views
RadMap for Silverlight reading in Shapefiles
I have created shapefiles now which is basically a couple of polygons representing rooms in a building. They appear fine in QGIS, but when I try and load it into the application (RadMap in ...
1
vote
0answers
343 views
How to fix QGIS Server internal server error when using shapefiles?
i read all the questions with 500 server error i could find on the net but nothing seems to solve my problem:
I installed qgis and all depending packages on a debian server.
The first ...
1
vote
0answers
266 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 ...
1
vote
0answers
227 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 ...



