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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5
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1answer
1k views

Working examples of Leaflet/Polymaps with GeoJSON tiles generated from Tilestache using Shapefiles?

I'm looking to create choropleths using GeoJSON tiles generated from ESRI Shapefiles by TileStache(or similar), in either Leaflet or Polymaps. So far reading and drawing GeoJSON from both Leaflet and ...
6
votes
1answer
2k views

Why does QGIS Simplify Geometries delete entire polygons?

I am reducing the size of a world timezone shapefile, http://efele.net/maps/tz/world/tz_world_mp.zip But at a 0.01 tolerance, entire countries disappear Anybody know a way round this? QGIS shows ...
5
votes
1answer
2k views

Move .SHP from .MXD to gdb [duplicate]

Possible Duplicate: How to move SHP to gdb with ArcView license? Let's cut it short, I have numerous mxd with layer coming from .SHP and various servers WMS that I need to move to a gdb. ...
4
votes
1answer
4k views

Upload Shape File using GeoServer REST API and C#

I'd like to upload shape files using GeoServer REST API and C#. So far, I can create workspaces using the REST API and C#. From GeoServer documentation (specific to cURL), the difference between ...
2
votes
0answers
821 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 ...
4
votes
1answer
260 views

Arcmap: subset A.shp based on B.shp, then partially update B.shp

Okay, so I have 2 shapefiles: US states outline file (very coarse/simple outlines) Global Self-consistent Hierarchical High-resolution Shorelines, Level F (much finer spatial resolution) I am ...
1
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0answers
574 views

how to get ascii grid from corine land use data?

I'm trying to get ascii grid with land use data (by one parameter - CODE_00). Afterwards I will import it into simulation tool. But I cannot figure out how to convert ascii grid from shapefile. ...
2
votes
3answers
1k views

Transforming Visio polygon to shapefile?

I am a complete newb at this stuff and don't know what I don't know. I may use incorrect language. Essentially, I want to convert the shapes in a Microsoft Visio diagram into a shapefile. I pretty ...
4
votes
3answers
4k views

How to generate a shapefile containing an UTM grid (graticule)?

I'm looking for a shapefile containing an 1000m or 2000m UTM grid ("graticule"). All I was about to find on the web is a 10000m UTM grid (here: http://en.giswiki.net/wiki/UTM) and I am aware that a ...
15
votes
3answers
11k views

ogr2ogr converting to shapefile - how to select feature types?

Shapefiles can only have one geometry type, but many other formats (kml, geojson) can have multiple types. When converting to shapefiles, is it possible to to tell ogr2ogr to create multiple ...
2
votes
2answers
682 views

Setting custom spatial reference/coordinate system to shapefile using ArcPy?

I have a python code which converts JSON text file to a shapefile. I have to set coordinate system to this shapefile created. I do not want to access the .prj file from my computer as this code will ...
0
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1answer
535 views

shp2MySQL GIS Import Coordinates Not Correct

I'm attempting to import the Chicago Neighborhood Boundaries into a MySQL database from the shape files available at ...
4
votes
1answer
2k views

Write out a WKT file from a loaded shapefile

We are looking to load and display a shapefile, simple polygons, then write out a WKT string of that shapefile and have the user save it somewhere. Does anyone have some code snippets of that very ...
6
votes
1answer
4k views

Programmatically adding shapefile to data frame in ArcMap? [duplicate]

I have a toolbox with python script which creates a shapefile from JSON txt file, but it does not show the generated shapefile in arcmap, i have to add it from the output location. What code shall I ...
1
vote
1answer
4k views

Looking for vector data for the country Turkey

specifically roads, railroads, and rivers shape files.... no cost would be nice, but it needs to be more detailed and accurate than mapcruzin's free data. Something under $500 would also be ...
3
votes
4answers
6k views

How to convert SHP to GPX or to JSON?

I would like to convert the tree inventory shape files of London (Canada) into a GPX file and if possible into a JSON file. You can download the archive from their Open Data website. It contains the ...
2
votes
2answers
201 views

Switch classes on/off within shapefile in QGIS 1.8

Hei! I got shapefile with 1800 points. They are classified by attribute in 10 classes. How can I display only 1 or 2 classes (like - switch on/off layer)? It seems quite usual function, but I ...
2
votes
2answers
874 views

Why does ESRI make me store my DBF doubles as strings?

As far as I can tell I have to store all numeric values in a shapefile's associated DBF file as strings (yes, the N type is essentially a string). Can anyone confirm that ESRI does not support the use ...
12
votes
4answers
17k views

Splitting shapefile into separate shapefiles for each feature using QGIS/GDAL/SAGA?

I have a polyline shapefile with about 20 kinds of roads. I would like to know how can I create automatically a vector file for each one. I am aware of how to do it using ArcGIS for Desktop - see ...
13
votes
4answers
507 views

Are long lines in shapefiles to be considered geodesics or straight lines in the 2D latlong space?

Is there a definition on how lines connect vertices in the shapefile format? In the simplest case, imagine a line with only 2 points, from 40,-118 to 40,-112 - that's somewhere random in the US - ...
3
votes
1answer
233 views

Problem with precision when convert from WKT to shapefile

I have a problem with converting from WKT to shapefile in pygdal. In wkt I have fields with precision (for example real 7.2). When I create a shapefile I have field numeric with no precision (numeric ...
13
votes
7answers
11k views

ogr2ogr convert all shapefiles in a directory

I have a directory with several shapefiles. How can convert all these shapefiles to MapInfo with ogr2ogr. I know how I can convert one file. And I can make a batch script writing a line for each file. ...
2
votes
1answer
491 views

How to calculate the Zone of Impact using OpenWind

After downloading OpenWind, I am trying to calculate the ZVI for a single Turbine. There is no documention regarding this from the developers. At this point I just want to compare the output of the ...
10
votes
3answers
5k views

Divide a complex shape file into a grid

I have a decently detailed shapefile with polygon/multipolygon features (the file is about 500mb). It's actually a shapefile of the entire world, with the features representing coastlines. I need to ...
2
votes
2answers
445 views

How to shift the Map a little bit?

I'm having trouble with two maps, both UTM33N/WGS84. They should be exactly on top of each other but there is a slight shift between them of probably a few hundred meters or so. I Tried to adjust ...
10
votes
2answers
2k views

Shapefile to SVG with ArcMap (while retaining country attributes)

Does anybody know how to export the Natural Earth 1:110m shapefile to SVG with ArcMap while retaining the country attributes? From SVG I'm gonna try to convert it again over to RaphaelJS to achieve ...
6
votes
4answers
3k views

Postal areas for Germany? - Shape?

does anyone of you know how and where I can download postal area districts of Germany in shape files (download free of charge if possible). best regards desputin
6
votes
3answers
3k views

Check if shapefiles exists in folder

In ArcGIS modelbuilder I want to check if a shapefiles exists, if not I want to create the shapefile in that folder. I guess the calculate value tool within ArcGIS modelbuilder can be used, but I need ...
0
votes
0answers
70 views

GIS web development [duplicate]

Possible Duplicate: Steps to Start Web Mapping I want to create a Web GIS using an open source software.Also the software should be capable of importing shape files and kml.I have good ...
4
votes
1answer
903 views

Calculation of average point distances from one another within a polygon grid

I am working with processed LiDAR data of forested areas in ArcMap 10, with various area based statistics extracted for each 30x30m polygon grid-cell in a shapefile. There are approximately 20,000 of ...
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0answers
498 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 ...
0
votes
0answers
53 views

Historic country borders in GIS format? [duplicate]

Possible Duplicate: Is there a source for historical shapefiles and tiles? Does anyone know of a good source for historic country borders, in a GIS file format, like shapefiles? I've been ...
1
vote
2answers
244 views

How to select only areas bigger than x acres?

I would like to create a new shapefile from another area shapefile. The new shapefile should only contain all areas that are bigger than 5 acres (10.000 m²). How do I do this?
3
votes
8answers
8k views

Exporting to DXF file from QGIS?

Is it possible to export labels based on Shapefile attributes into a DXF file? I use QGIS 1.7.4. I've been reading a CSV file and view it as a Shape Layer. With the help of attributes from the File ...
4
votes
9answers
21k views

Creating shape file from file with coordinates

How can I make a shape file of an csv file with coordinates?
2
votes
3answers
2k views

Openlayers: Copy shape layer in a vector layer

I have a web-gis application based on openlayers and geoserver. I need to modify a shape layer. I'm able to show the shape using the OpenLayers.Layer.WMS method. In fact i published the shape in ...
3
votes
1answer
644 views

Can anyone point me to a dataset (shapefile or other format) for the North American Continental Divide?

I'm looking for a more detailed dataset than the 1:2,000,000 shapefile available from the National Atlas, preferably one suitable for use at 1:24,000.
3
votes
1answer
2k views

How to prepare or normalize raw shape (.shp) files for Openlayers use

Hi all it seems like I am having difficulties in normalizing raw map files' resolutions to openlayer's use most probably in parameters mapext and imgext. I hope you can help me with this. Using raw ...
0
votes
3answers
677 views

How can I query and categorize a shapefile using MS Access?

Is there a way to categorize locations by lat-long in MS Access using caparisons to shapefiles?
2
votes
1answer
1k views

Why does aggregate polygons consistently error out?

I'm using aggregate polygons on a dataset with three large study areas. It did not work. So I split it into separate areas and did it again. Two of the three areas (which were smaller than the third) ...
1
vote
0answers
51 views

How to load GeoJSON files directly onto QGIS? [duplicate]

Possible Duplicate: Plugin or script to get QGIS to display geoJSON in a layer Is there a way to do this? Or is there a way i can put it onto PostGIS and then load it onto QGIS? I actually ...
1
vote
3answers
310 views

Visually Merging ZIP polygons and Extracting by boundary from SQL Server 2008

i have a lot of shapefiles. For simplicity, lets say all the zipcodes of the USA. I've imported them into SQL SERVER 2008. I wish to merge lots of the shapes into one shape. I'm sorta struggling to ...
2
votes
0answers
151 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
1answer
580 views

coordinates in dbf file wrong

I am new to ArcGis, so please bare with me :D . I converted a polygon in an mdx file I have to a shape file, then converted its vertices to points, then used "add X Y feature" and choosed coordinates ...
5
votes
3answers
3k views

FME: Join attributes in text file with attributes in SHAPE file

I have a SHAPE file with points and different attributes - one attribute MyID. I also have a plain text file with several attributes - each in a separated column: MyID MyValue 1 A 2 B 3 C ...
5
votes
2answers
909 views

Display of zoomable image thumbnails instead of symbols on maps

sincere congratulations on your ingenous QGIS and the many extremely useful extensions. In my research on African archaeology I work a lot with geotagged pictures (drawings; photos; plates etc.) which ...
5
votes
2answers
2k views

Shapefiles for U.S. Area Codes (NANP)

I have a bunch of telephone numbers (just the area codes), and I'd like to geolocate them and make a map, but I haven't had too much luck googling for shapefiles for Area Codes. Surely these are in ...
2
votes
1answer
2k views

FME: No attributes exported when writing to SHAPE file

Setup: I have some input data (SHAPE) which I use a Clipper transformer on. Depending on the result of the Clipper, I assign a value to an attribute. In the end I assign the two results/streams to a ...
5
votes
2answers
1k views

Loading data onto PostGIS using KML files with attibute data

So, I have a kml file which contains 317 data points (317 polygons and the respective 317 names). The kml file also contains attribute data which pops up in a bubble on Google earth with about 12 ...
4
votes
3answers
1k views

Convert KML to shapefile without losing attribute data

So I want to convert KML files to SHP shapefiles to load it onto PostGIS. Currently I'm using ogr2ogr to do the conversion for me, but it wipes out all the attribute data. How do i preserve this ...