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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90 views

Incorrect lat / lon conversion from utm

I used this website to determine that the SRID for my shapefile is 3857. Following that information, I used the shp2pgsql utility to convert my shapefile into the sql I need to insert into PostreSQL ...
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1answer
97 views

Extract raster data based on a polygon's attributes

I have a land use layer with a map of the United States overlaid on top. I'd like to determine the percentage of different land uses in each state. Would the best way be to extract by mask by using ...
3
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1answer
83 views

From hundreds of shapefiles to PostGIS with some kind of directory/file structure

We have more than 700 shapefiles which we will import in a PostgreSQL/PostGIS database. We want to use a single database to make joins on our tables without using foreign database wrapper. Our data ...
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1answer
74 views

Building footprints of Atlantic city, NJ

does anyone know where to get information of building footprints information on Atlantic city?
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1answer
360 views

Shapefile projection for Matplotlib Basemap

Preface: First time working with GIS data. I'm using python's Basemap library for overlaying data on maps. The tutorial I'm using includes a shapefile for London (london_wards.shp). I use the ...
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1answer
158 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
31 views

Creating ArcGIS tool that can run list of checks?

Is it possible to create a tool in Arcmap where by uploading a shapfile, the tool can run a various number of checks/tests (ie intersecting other shapefiles) and flags or highlights conflicting ...
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2answers
66 views

Diverse values to one field for soil analysis

I have soil analysis data in an Excel table. For one analysis point there are values at three depths. Besides the Excel file I also have a shapefile with the points to which I want to add the soil ...
2
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1answer
429 views

How to generate thumbnails from shape file and display them on my website?

I tried to generate thumbnails from shape file and display them on my website(using jsp).I had been read this and this question .Very similarity questions ,but I know nothing about python... Is ...
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2answers
1k views

GDAL in C++: Reading a ShapeFile

I am trying to use the GDAL Lib to read a ShapeFile (.shp). I followed the instructions of http://www.gdal.org/ogr_apitut.html - But it doesn't work! #include <gdal_priv.h> #include ...
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1answer
298 views

export list as shp in R

I have a list of coordinates with which i can create a path and I want to export this list as shp. I have "shapefiles" package but I didn't find the way to do this. Is there a way to do this with this ...
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1answer
25 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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5answers
2k views

Does Re-Projecting ShapeFile only update content of *.prj file?

if i wish to change the projection of some shapefiles from .. lets say NAD83 (4269) to WGS84 (4326) ... and by using some 3rd party app .... does this mean the .prj file is only updated .. and not the ...
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1answer
78 views

Recovering layer (*.lyr) file that is missing shapefile?

Somebody in the office deleted a point shapefile that has a lyr file as well. How can I recover it? Is there a Script that allows me to recover it?
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2answers
2k views

Shapefiles are not being added to MXD using ArcPy?

I want to add a shapefile to an mxd document using arcpy but it generates the following error when used by adding script in arctoolbox import arcpy mxd = arcpy.mapping.MapDocument("CURRENT") ...
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1answer
105 views

Bulk SHP/KML Processing Tools

I need to accomplish two things in bulk: Convert SHP to KML Modify the fill and outline color and opacity either of SHP or KML files What tools can you recommend for these two tasks? I've tried ...
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2answers
212 views

Extracting/Exporting coordinates from polygons (shape) to text?

Is there any well working way to extract the X and Y coordinates of a polygon from shapefile to some sort of text (preferably csv)? The whole process should be somehow done automated through a ...
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0answers
84 views

Unknown coordinates in Shapefile, projecting doesn't give expected results

I'm reading a Shape file (four files actually, .dbf, .prj, .shp and .shx) containing polygons representing certain areas in my neighborhood. For this I use C# and a library called DotSpatial. I can ...
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1answer
198 views

Convert shapefile to LonLat (R)

Just a small disclaimer: I don't have any background in cartography, hence I might have missed the answer to my question in search just because I didn't even know the keywords to look for. So, I am ...
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1answer
83 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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1answer
147 views

Geometry to Shapefile

From importing the shapefile to postgis, its geometry is added to the database postgresql. The question, how can I load the shapefile in the Visual Basic.Net using the geometry in the database ?
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1answer
537 views

Import Shapefile into Existing Spatialite Table

I am working with a Spatialite database and a series of shapefiles. I have an empty spatialite table that has geometry and columns. What I would like to do is to load the shapefiles into the ...
0
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1answer
222 views

How can I convert ESRI personal geodatabase (.mdb) to shapefile using OGR in C#?

I have to create a class in C# in which I would like to insert a function that converts an ESRI personal geodatabase, extracting that features it contains in shp using OGR. I looked at library ...
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1answer
138 views

How to Specify FID column name in shp2pgsql

In ogr2ogr I can specify the name of FID column using the option -lco FID={columnname} when importing a spatial data in PostGIS database. I am using shp2pgsql in case of shapefile and cannot find a ...
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1answer
57 views

How to add neighborhood names from shp to csv data points QGIS

I'd like to add the neighborhoods listed in a shp file to the data points in a csv Link to shp Link to csv Here are the data points overlaid on the shapefile map of the neighborhoods. I'd like ...
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3answers
929 views

How do I rename Shapefiles in QGIS?

I have a huge list of layers in a project that are named in a foreign language. I want to translate and add the English title to the name. When I right click on a layer and choose Properties -> ...
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1answer
185 views

Combine Shapefile with address information

I downloaded a UTM32 shapefile (.cpg, .dbf, .prj, .shp, .shx file, where other available georeferences are GK3 and TM32) that shows the exclusive division of Germany in its municipalities. Above, I ...
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4answers
15k views

How do I load a .dbf file into QGIS?

I want to use QGIS to extract lat/lng data from the vertices of polygons. There are about 400 polygons, each with maybe 200 vertices. I am having trouble with step one, getting the data into QGIS. ...
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1answer
535 views

How to load *.shp.xml file into shapefile for ArcGIS for Desktop?

I am using DRASTIC model and ArcGIS mapping for my thesis of groundwater assessment. I need to generate maps which includes Net Recharge map. For that I need to export a landuse map and from the ...
2
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1answer
256 views

Keeping symbology style in a polygon shapefile when converting to KML

I have a polygon shape with 23 classes and have created patterned symbology styles which I will like to have retained when I open in Google earth pro. Is there any how I can achieve this in either ...
2
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1answer
56 views

Overlay a shape into a gridded shape and determine the percentage of each cell that are overlapped

I would like to know how I can overlay a shapefile (A) into another gridded shapefile (B) and extract the information about which shapefile (A) polygons falls in each cells (B). And, more ...
57
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6answers
2k views

Are there any attempts to replace the shapefile?

Recently I've been spending a lot of time converting perfectly good field names like "Percent of citizens age 25 and over with a bachelor's degree or higher" into things like "edbchogtr" to meet the ...
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3answers
11k views

Using ArcMap, how may I convert a shapefile to use decimal degrees?

I have a shapefile that currently uses meters as the measure for its coordinate system, but the map framework I wish to use expects decimal degrees. I'd like to reproject my shapefile to use decimal ...
3
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2answers
2k views

Simplifying Shapefile using ArcGIS Desktop or alternative?

I have a shapefile that contains neighborhood boundaries that I want to simplify. Right now I am thinking of converting the shapefile to Google maps KML so I can insert the boundaries into the map as ...
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1answer
127 views

Error uploading SHP file to CartoDB [closed]

Trying my first map by uploading a SHP file. The instructions tell me that I can upload a SHP file, but I get an error that they are not allowed. This happens whether I upload by browsing a local ...
4
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1answer
3k views

How to convert shapefile to vector emf?

I want to convert a shapefile to an EMF file. The EMF file must be a vector image, not a raster image. Please suggest to me some good packages or tools. Thanks in advance.
4
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2answers
411 views

How is attribute data in the DBF file tied to location data in the SHP file?

I opened a DBF file in Excel and I'm looking at attribute data from a shapefile export. How is the row of attribute data in the DBF file connected to it's corresponding locational data in the SHP ...
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0answers
68 views

Geoserver does not show some shape files using Add Store [closed]

Apologies for this basic question, but I can't find an answer through Google. I am working the geoserver tutorials from Intro to Geoserver via Packt Publishing. I'm trying to add a shape file via ...
1
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1answer
236 views

Using multiple map layers with different extents. Any suggestions.

I have three layers I need to try match up at the borders. This is not a projection problem, all layers are projected to Albers NAD83. The base layer (Green) is 30m DEM, with a US boundaries layer on ...
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1answer
197 views

Problem with projection of Slovenian Shapefile in QGIS

I hope someone can help me for this: I'm doing my masters thesis in Slovenia (in the field of wildlife management), for this I got a Shapefile of slovenian data by the University. As a main layer, I ...
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3answers
355 views

Programmatically adding .shp file to .mxd file [duplicate]

I have spent hours attempting to find the solution to the following problem online, but all answers I have found are quite old, and none work. Here is the situation: I have a variety of .shp files. I ...
1
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3answers
244 views

Using QGIS2Leaf plugin to export into leaflet but output results into browser crash?

Amateur GIS technician here, Just tried to export my converted cad cities pipelines into a shape files and then export it into leaflet using QGIS2Leaf but the browser crashes before the displaying the ...
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0answers
78 views

Reconstituting features from E00 format, without ArcGIS

Recently I used OGR to convert an ESRI E00 format file to shapefiles. I am dealing with vector data, many polygon features per file. I was dismayed to find that none of the resulting shapefiles(you ...
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1answer
248 views

How to change color of a layer in openlayers?

http://www.cv.nctu.edu.tw/shapefile-js-openlayers/ol_simple.html this is my website for test. I add two layers in openlayers. And I want to change color in one of two layers. var myStyle = new ...
4
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1answer
1k 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 ...
3
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1answer
84 views

How to modify height model values outside of road network

I have a height model of a quite big area saved in Esri ASCII grid files and a road network of this same area in a shapefile. I'd like to convert every height model value outside the road network to ...
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1answer
86 views

How to toggle selected features by clicking on them in OpenLayers?

This is my website for test: http://www.cv.nctu.edu.tw/shapefile-js-openlayers/ol_simple.html This is my expected result:http://www.cv.nctu.edu.tw/shapefile-js-openlayers/test.html I want to try ...
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1answer
1k views

Why my Shapefile is not loaded into OpenLayers?

This is my website for test: http://www.cv.nctu.edu.tw/tonywang/shapefile-js-openlayers/ol_simple.html I want to put my Shapefile in OpenLayers. I found an example at ...
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1answer
92 views

How to extract information from several shapefiles in the same time?

I'm using ArcGIS 10.2.1. I have a shapefile for 10 catchments and other three shapefiles for landuse, soil type and rock types. To extract the area of land use types, soil types or rock types for each ...
0
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1answer
148 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: ...