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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149 views

Convert Shp to KML error org2org Error4

I am attempting to convert Shp file to Kml using command line org2org application. I have used this in the past to convert more simple shp files and was sucessful. However I get an error message when ...
1
vote
2answers
939 views

How to select features in layer using dataset statistics (stdev and mean) and ModelBuilder?

I am trying to solve following problem. I need to select features from the shapefile by attribute in Model builder. The attribute should be a statistics which you can calculate by the tool :"Summary ...
1
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4answers
600 views

Needed shape file for Australia and New zealand

I was trying to find a shape file which has Australia and New zealand together(states) so that i could convert to jvectormap for ANZ. where i can find it?
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0answers
166 views

How to create a circle vector layer with 12 sectors with Python and to save average value of underlying raster in each sector?

Hi I am writing a code with Python 2.7 using Arcpy 10.1 and I guess I am doing stuck with a silly problem that lies under my eyes. I have created a grid of points (with "Create fishnet" function) over ...
2
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1answer
191 views

Trouble using ogr2ogr w/ -s_srs to combine inconsistent EPSG files into my postgis DB

I'm having trouble combining shapefiles from TIGER and different local governments into a single postgis db to query legislative locations. I've imported all data to multipolygon geom, but found some ...
8
votes
1answer
445 views

Automatically aggregate German ZIP codes by the first two digits in a shapefile

I have a shapefile which contains all German Zip-Codes in a a five-digit format (e.g. 80637). For what I intend to do, this is way to much detail. I would like to aggregate all Zip-Code areas by the ...
3
votes
3answers
1k views

Workflow to convert a DWG CAD file to a shapefile

I'm trying to develop a workflow where I can convert a .dwg file to .shp. I don't have a good understanding of which tools I should be using. My preference is to use software that runs on OSX, is ...
3
votes
2answers
199 views

Why do I get an empty shapefile when converting this KMZ in QGIS?

I have downloaded a KMZ file containing global elevation information. I have tried to convert the data to a shapefile using qgis (save as shape option) and using the zonum solutions website but both ...
0
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1answer
237 views

How to create input data for the LRS plugin from an excel table without coordinates?

I'm working with QGIS 2.2.0. I want to add a shapefile from an excel file that has informations I want to use in the LRS plugin. The excel file has no geographic information. Every time I try to save ...
0
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1answer
129 views

How to join information from an excel table to a road feature in QGIS?

I'm working with GQIS 2.2.0 Valmiera. I've made a shapefile of a road that consists in a single line. Now I want to add information that I have in an excel table about several point in the road. How ...
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1answer
200 views

Trouble joining table in arcgis. Joining field is 'greyed out'

I'm trying to join a shape file with a excel file I converted into a CSV. I had done this before with the same shape file but with a different CSV but this time when I try to select the column it's ...
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0answers
154 views

Building a road path using openlayers and shapefiles? [closed]

I'm looking to learn OSM and Openlayers. From what I can tell, I need OpenLayers to display the map on a website and I need shapefiles to do any manipulation on the map regarding its topographical ...
4
votes
2answers
473 views

Converting shapefile to raster: Character attributes

I've got a shapefile that I would like to convert into a raster, but the trick is that the attribute I want a raster version of is character data. I'm familiar with geoprocessing using GDAL (in the ...
5
votes
2answers
3k views

Extract Raster from Raster using Polygon shapefile in R

I am new to R and using the raster package. I have a problem extracting polygons from an existing raster file. If I use extract(raster, poly_shape) function on the raster it always creates a list ...
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0answers
53 views

How to raster vector- and shape-files correctly

does anybody know how to convert vector- and shape-files correctly? Doesn't work with tab Raster/convert/vector to shape files. The output always contains strange input-data (wrong and strange ...
4
votes
0answers
32 views

Projecting polygon when calculating its area? [duplicate]

I have a broad range of polygons (in vector format and in SpatialPolygonsDataFrame class), some going east-west, others going south-north, while even others span polar regions or very large ranges as ...
0
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1answer
73 views

why can't i export geometry data from a shapefile?

I saved the layer using "vector save as" box but even when adding GEOMETRY=AS_XY in the layer box, the csv only showed the id and no gemetry data.
4
votes
3answers
174 views

How to shrink polygon on two sides?

I have a polygon which I know is a rectangle, although it may be at any orientation: I want to shrink this polygon by a third of the width from two sides, so that I just get the strip in the middle ...
2
votes
1answer
150 views

Why is this line split in two?

Even though this is a single line, it is stored as a two-part polyline. I can split it and rejoin at the break, but whatever I do it won't join the two into one line. (This is most obvious if you turn ...
0
votes
1answer
229 views

How to solve an instalation problem requiring “liblwgeom” to work with “shp2pgsql”

I am trying to import shape file to postgis. I have problem configuring shp2pgsql. I am getting this error : dyld: Library not loaded: @loader_path/../lib/liblwgeom-2.1.1.dylib Referenced from: ...
3
votes
1answer
380 views

Compute the area of a given polygon (in vector format) lying between specified lines of latitude

I have species distributions (in vector format) and I would like to calculate how much of the area for a given species distribution is within certain lines of latitude, such as temperate and tropic ...
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2answers
239 views

Clipping a raster file into the multiple shapefiles

I splitted the single shapefile into the multiple shape file based upon their attributes. Now I want to clip the raster file into the each splitted shape file. How can I do it at once? I am using a ...
2
votes
1answer
127 views

Web map tool with high interactivity [duplicate]

I'm looking for an ArcGIS Online alternative. It needs to be linked to a private MySql server Use shapefiles Display attribute data and charts upon click/hover Toggle shapefile to display/disappear ...
2
votes
5answers
5k views

Error importing Shapefile to PostGIS using Importer GUI

I'm trying to import a shapefile into a PostGIS database using the graphical importer. I just installed POSTGRESQL, and PostGIS. The GUI looks like this: After testing that my database worked, I ...
1
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2answers
102 views

Separating a shapefile into separate shapefile based upon their features using a python script [duplicate]

I have a shapefile of a US. I need to make an individual shapefile for all the states in the US using a python in ArcGIS. How can I do it?
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2answers
141 views

Creating outline shp - georeferencing existing map/pictures

So I need to create shapefiles (that need to be adapted and transfered for other programs) with the district outline of a couple of Caribbean countries. Is georeferencing (using the Georeferencing ...
2
votes
1answer
310 views

Select by attributes within the fiona Python module

Is it possible to select polygons from a shapefile based upon their attributes using the Fiona Python module? I can't seem to find anything in the docs, but it seems like a strange thing not to be ...
2
votes
1answer
1k views

Problem opening shape file in qgis

I am having a problem opening a shape file using QGIS using 'add vector later'. This is the error message i am getting: /Users/Conrad/AmerindianLands 2/Amerindian_Land_Karasabai.shp is not a valid or ...
1
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1answer
776 views

How to add Shapefile to map?

How to Add Shapefile to map in ArcGIS Silverlight application runtime ? I published the shapefile feature as map service on arcgis server and consumed it my SL Application through the service Url ...
1
vote
1answer
306 views

Polyline (shp) layer not displaying correctly in QGIS

I'm a new QGIS user. I'm trying to convert a polyline vector layer to polygon. I tried to it in ArcMap 10.1 but it misses a lot of polygons. So, I'm attempting to this in QGIS running the process ...
0
votes
2answers
286 views

Editing blank feature class in ArcMap

I'll try to describe my problem the best I can. I'm very new to ArcGIS. I have a jpeg showing an old map of NYC zones. I was able to georeference this image with a shapefile of NYC blocks. I wish to ...
2
votes
0answers
69 views

PostGIS does not export shortest path to Shapefile

I am trying to draw a bunch of lines overlaying the globe map in a WGS84 projection. To this effect I have created a PostGIS DB with a table that has one column containing linestring data. My problem ...
3
votes
0answers
392 views

Why does the QgsVectorFileWriter have probelms creating vector files? [closed]

I am using QGis 2.0.1 and have tried to create a new GIS feature file (SQLite, Spatialite, and Shapefile) of a subset of the data. I am then saving a copy of the style of this layer and applying it to ...
2
votes
0answers
134 views

Global height data as polygons — Natural Earth doesn't have it?

I love the bathymetry data from Natural Earth. I've been looking for the last few days for the same basic data but for land. I'm trying to find general elevation shapefiles, as polygons. I don't need ...
0
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0answers
47 views

Why can't I save a line shapefile?

I'm working with qgis v. 2.0.1. I have some data points and I just wanted to create a new shapefile with line geometry. In the new vectorlayer-window, I added some attributes (approx. 10) and klicked ...
3
votes
2answers
53 views

How to control how points are displayed across different programs

I'm completely new to GIS, but I'm trying to control how Points are displayed (shape, color, size, etc) across different programs (ArcGis, qGis, etc). Is there a way to control the rendering of ...
2
votes
1answer
181 views

Update postgres/postgis point data attribute from another enclosed polygon shapefile in QGIS

I have a placename point table in postgis with 'district' column. a districts polygon shapefile with district name in 'Name' column. See the image below. I would like to update the 'district' ...
0
votes
1answer
67 views

Selection/Deletion of all smaller polygon/s in a SHP - Python solution?

ArcMap 10.2 user, with Spatial Analyst only. No ArcServer or of sort. I have abt 500+ polygon shapefiles, each containing 2 or more polygons. All of them has a NAME column and the rest of the ...
1
vote
0answers
152 views

Extract Polygon Data for Each Neighborhood from GIS Shape File

I have a dataset that has four types of files with the following file extensions - .DBF,.PRJ,SHP,SHX My goal is to get all the polygon coordinates for each neighborhood and draw the boundary outline ...
3
votes
1answer
643 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
4answers
994 views

How to merge many shape with the same name in different folders?

I've many (hundreds) shape (3D points and 3D polygons) that have the same name, saved in different folders; and I've tried to merge them using batch with Merge tool in ArcGIS... but inexplicably ...
3
votes
3answers
146 views

Preparations for a transition to ArcSDE [closed]

So I'm a GIS Intern for a city government, we are preparing to purchase ArcSDE and implement it to our current GIS setup. I'm curious as to what should be done before it is purchased. Our GIS consists ...
-1
votes
1answer
389 views

How to parse data from KML to shapefile with ArcGIS ModelBuilder?

In ModelBuilder of ArcGIS 10.2 does there exist a method or routine for parsing data from a KML file and "print" this data in a shapefile or convert this data a to shapefile?
3
votes
5answers
5k views

How to export labels to DXF file?

Is it possible to export labels based on Shapefile attributes into a DXF file? I use Quantum gis in Version 1.7.4. I've been reading a CSV file and view it as a Shape Layer. With the help of ...
2
votes
3answers
960 views

ShapeFile to GeoJson conversion

I am working with OpenLayers. I want to convert ShapeFile into GeoJson format and send it to browser to show with OpenLayers. But problem is when the size of my shape file is so big like 60MB or ...
0
votes
0answers
36 views

GPS Coordinate Handling

I have a text file with consecutive coordinates of gps data for ongoing and incoming route(on Same road). i want to convert them in line format. how can i normalise those extra coordinate so that i ...
1
vote
1answer
100 views

How to document field properties of attribute in shapefile?

I would like to document within ArcGIS how the values for specific shapefile attribute fields were derived or obtained. Is it possible to input and export this information as a report with ArcGIS 10? ...
5
votes
3answers
1k views

Best choice for building static maps: PostGIS, SpatiaLite or Shapefile?

I usually build static topographic maps, which are mostly printed. I'm often using OSM and rasterfiles (mainly different DEMs). The areas I'm mapping seldom exceeds 20.000 km². I'm using exclusively ...
1
vote
1answer
102 views

QGIS combine Vectorlayer and Rasterlayer to one shapefile

I have to create some Thematic Maps, especially Choropleth Maps on Matlab. Therefore i've found a shapefile which I can use, but need to draw some lines there. I've imported my shapefile as a Vector ...
2
votes
1answer
495 views

Converting JSON/GeoJSON files to Shapefiles

I have a quick question please about converting JSON/GeoJSON files. I'm trying to convert some JSON files into something I know how to work with (shapefile, R objects or PostGIS). I'm afraid I have ...