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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19 views

Calculate mean of shapefile based on another shapefile

since days I´m really stuck with my problem. As you can see in the figure below I have two shapefiles. The lightgrey one simply contains a grid with a cellsize 30 by 30 meters. The second one (blue) ...
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51 views

opening many nested shapefiles

I have a large number of shapefiles (>500) representing species' ranges for North America. I am wondering how I could open them all automatically, without having to open them one at a time in ArcGIS? ...
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22 views

How to design map tile based on Geoserver?

Im developing a Mapservice on Geoserver. I would like to design my map on the Geoserver editing its CSS or SLD. Is there a possibility to have edit tools? Or how can we edit with TileMill of ...
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92 views

Installing mysql_fdw on Windows

I want to create a join between a spatial database (PostGIS) and a non spatial database from MySQL. Both databases have a unique ID who can be joined. I found a way to do this with PostgreSQL and a ...
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38 views

Optimizing shapefile lookup time?

So, I have a ~1GB shapefile which is running circles around a ~5MB shapefile when it comes to feature look-up time (using python, with GDAL): def check(name, lat, lon, attributeFilter:'SQL ...
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27 views

Generalize a selected part of shapefile

I see v.generalize takes the whole shapefile as input, but is there a way in QGIS to generalize/smooth selected part of a shapefile? I will select the part in Node Tool and then use v.generalize tool. ...
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1answer
22 views

Problem with editing in geotools 13.0

I have a problem with getting the ID of a newly created feature in the shapefile. I have a datasource / datastore that reads and writes to a shapefile. I create a feature, add it to the store and ...
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43 views

Why are these two shape files different?

Can someone please explain why these two shapefiles are different: Neighborhoods in Cambridge, MA ; and Water bodies in Cambridge, MA. In particular, I am having trouble working with the water ...
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42 views

Graphical modeler in QGIS. I can't find a model [duplicate]

I'm a doing a tutorial for QGIS and at one point I have to use 'Join attributes by location' model but I do not find it in the Graphical modeler. Does it have to be there? I have to download it from ...
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116 views

Load a shape file in postgresql DB with php

I am trying to load a shapefile in a postgis database using the exec() command. I have read the format I have to follow from here and I checked several similar questions from the forum. Based on the ...
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19 views

convert .shp to .gpx with selected attributes [duplicate]

I am working with QGIS 2.6/2.8 (1.8 is installed too). Right now I am planning an inventory and want to convert a .shp file to a .gpx including the Column "fid" from the attribute table. Is there a ...
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13 views

Shape to Geo code xml generation

I would like to know the process of generating GEO codes from a shape file (Indian coastal districts/ states). Here we have used ArcGIS for generation of the shape-file along the indian coast. Can ...
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1answer
35 views

Creating Shapefiles from MS SQL using ColdFusion/Java?

A client wants to export, from their MS SQL server, data into Shapefiles. I've looked around for a starting ground and have heard Ogr2Ogr mentioned and it seems intimidating. So I was wondering if ...
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35 views

Subtract parts of polygon that overlap with ocean

I have some seismic data in format of shapefiles/geojson. The data has no relevance in the oceans so I am looking to strip away those parts of the polygon. What I am currently doing is using the ...
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1answer
68 views

Seeking shapefile of traffic lights with time sequence information anywhere in world?

I am looking for a shapefile of traffic lights that contains the time sequence information. As in how many seconds the green, red and yellow lights are on. It could be a point layer of street lights ...
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37 views

Using GDAL with a line layer and points layer, find next point along line layer

With the points layer and line layer, I'm trying to create a graph for path finding. I've got a line layer that I've dissolved, thinking that might make this easier. The points in the points layer lie ...
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38 views

Script for Arcpy console Lock file gets removed

I am running a script via python console to batch add and calculate new fields of all shapefiles in the current dataframe. Sometimes, especially if I have more than 5 shapefiles to be processed, the ...
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84 views

polygon shapefile R extract issues

I'm trying to do simple RF classification in R based on https://gis.stackexchange.com/a/39103/48810. The code I am using is as follows: require(sp) require(rgdal) require(raster) ...
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8 views

Shapefile (dbf) to MySQL conversion? [duplicate]

Is it possible to convert the exported data of shapefile to MySQL? I want to use MySQL instead of dbf since dbf are prone to corruption.
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34 views

when displaying shp file some layers lost in QGIS

When the export dxf file from autocad to turn dxf files into shp file and then displayed in QGIS , ask why some layers lost. These layers are massive icons . For example, the icon of the valve .
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1answer
29 views

Migrating Data to Another Database whit FDOToolbox

I want to migrate my data (Shapefile) to a PostgresSQL using a FDOtoolbox , i searched a tutorial for that but i dont found it . can any one explain the steps to do for migarte the data from a ...
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42 views

crop shp file leads to different results for same extent

I cropped a shapefile to a smaller extent (my AOI - area of interest) - to work with a reduced working directory. During my workflow I rasterize the shapefile. Here is my problem: I saved both of my ...
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21 views

SKD GXP : Export a selected area using drawbox to a shape file

I'm tryning to export a selected area using DrawBox.js to 'shape-zip'. So far I've found https://github.com/bartvde/sdk-export-app which will export features at a node, not an area. Is there any ...
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41 views

NGO library Removal

NGO library is not available anymore, thats where my question comes in, those objects at bottom in code section, mean nothing because there is no reference for them in arcobjects v10.. this is what ...
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1answer
71 views

How to generate a tiled map from a spherical mercator SVG?

I'm not a GIS person; this is really just a side task, so I probably have terminology/strategy incorrect; I would ask that you please bear with me. I have the following requirements for a Qt-based C++ ...
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1answer
20 views

Points shapefile resulting in MultiPoints table in PostGIS

I have a Points shapefile. When opened with QGIS, the type is 'Point' (right-click on the layer and check properties). When imported in PostGIS using pgAdmin III plugin 'PostGIS shapefile and DBF ...
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39 views

Downloading data after clipping

I have an issue with downloading data from GeoServer after clipping layers: 1. I can download vector layers as GeoJSON and GML, but cannot download as shape-zip: file becomes corrupted; 2. I cannot ...
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1answer
50 views

Shapefiles do not store times so how do I create time intervals for use in Torque?

I created a bunch of time intervals in a file geodatabase with the intention of using them in Torque to create an animation based on those time intervals. However I can't upload a .gdb to my ...
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36 views

Stack profile - polyline length

I have created a polyline that stretches from one side of a beach to the other (vertically). I have lidar data for 2005 and 2013. I am trying to compare the changes in morphology of the beach from ...
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1answer
97 views

Plotting an eia shapefile in google maps with R?

I'm trying to plot a eia shapefile onto google maps. I have a code working with the map funciton but can't get it to work with the ggmap function. Where am I going wrong? Working code: ...
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30 views

Is there a way to change the orientation of all text labels at once?

I rotated my extent -45 degree to make it look better. Problem is all the labels that I converted to graphics so I could rearrange them are also at -45 degrees. Any way to change that easily?
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21 views

QGIS Convert SHP to KML keep all attributes [duplicate]

I am trying to convert a SHP to KML in QGIS and want to keep all the attribute fields. As far as I can tell when you do this operation, you can only choose 2 fields (DescriptionField and NameField). ...
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50 views

Convert Postgis tables to DWG

Is there a simple way of converting a postgis table to DWG for a given table name? Regards,
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58 views

town, village, prefecture shapefiles for China?

I'm looking for boundary files for towns, villages and prefectures in China that are free. I've came across http://chinadataonline.org/, but they are limited. Can anyone tell me where to look?
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107 views

All queries on wkb_geometry column return null regardless of input ( ST_Point, ST_Intersects )

I am new to Postgis and I don't know if I am doing something wrong with my query, or if there is a problem with the data. I have been running queries on tiger shape files from the US Census site, I ...
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69 views

convert shp file to tiles for wms requests

I have a shp file (world countries) and this file is fix(I don’t want to edit it). I create a Vector layer with this file in geoserver and I get this file with WMS layer from geoserver. In this ...
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33 views

How do I export to a shapefile?

I created a new map, connected to my ArcGIS service, and dragged a map from a map service into the Table of Contents. The map is drawn on the screen with all my data points and I can see the ...
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18 views

How to export SpatialPolygons as Shapefile

I imported two Shapefiles to make an intersection: shape1 <- readOGR(".","shape1") shape2 <- readOGR(".","shape2") polygone1 <- gBuffer(shape1, byid=TRUE, width=0) ...
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25 views

Converting NTX data to DXF/SHP

I've inherited some old CARIS GIS data (NTX format) and am needing to convert it into something usable while ensuring that all attributes remain intact. I do know of the NTXShape application ...
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15 views

Geographic data edit solution

We are working on a JavaEE application which owns a lot of geographic data like points,lines and polygons to be visualized in the client side. The origin format of these data is Shapfile. And we ...
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280 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 ...
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8 views

How to convert DRA to SHP [duplicate]

Does anybondy know a software wich convert mapmaker vector file to a shapefile ?
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156 views

GIS shapefile data for Singapore Urban Planning areas

Is there any free resource to obtain Shapefile data for Urban Planning area boundaries in Singapore?
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45 views

How to eliminate sliver polygons with QGIS [duplicate]

I need to remove sliver polygons within a shape, but using QGIS 2.6 generates some failures to the process. I mean the program freezes or shuts down and I don't know why. Maybe there's a bug or it ...
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1answer
78 views

Merging TIFF file with other shapefiles to use ArcGIS geoprocessing tools?

I'm using ArcGIS 10.1 for Desktop. I have a TIFF file and I already applied the Copy Raster to make it an ESRI grid (i.e. I did not specify any file in the output field). The problem is, when ...
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26 views

Separating data in shapefiles [duplicate]

Is there a tool I can use to break a shapefile apart and create separate smaller shapefiles based on attributes. Without selecting each one and creating a layer form selected. Or if not is there a way ...
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1answer
142 views

Displaying polylines in different color / Color gradient

Though i am using QGIS, yet I am not confined by tool (can use an entirely different tool or a plugin for QGIS) usage.. Only aim is to get the following: I am reading various shapefiles in QGIS and I ...
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46 views

ArcGIS Online : 'Unable to import this shapefile (a is undefined)'

After saving a shp file from QGIS I get this error adding the shp to ArcGIS Online: 'Unable to import this shapefile (a is undefined)' I tried saving in different projections (WGS1984 (EPSG:4326), ...
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75 views

error converting shapefile to geoJSON with Ogre online tool

I am using on online tool built with ogr2ogr to convert shapefiles to geoJSON: http://ogre.adc4gis.com/ It's worked well except for one shapefile, and I can't see why... The shapefile has only six ...
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53 views

How can I draw a Line on a Shapefile?

I have a problem, in Java I can draw points on my Shapefile, but I don´t know how to draw a Line. I found the SimpleLineSymbol, but don´t know how to use it further. My first try was ...