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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7
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3answers
2k views

How to clip LAS data using shapefile polygons and open source software?

I am trying to clip or filter lidar files (las, xyz) using a shapefile that contains multiple polygons. Is there open source software that can do this spatial operation? My las files are enormous, ...
0
votes
2answers
28 views

How to convert kml to shape file in Arc Map 9.3.1 [closed]

I would like to know about conversion tools available for kml to shp file formats. In arc map 9.3.1
-2
votes
1answer
77 views

What are shapefiles, layer files, and databases and what are their relationships? [duplicate]

What exactly is a shapefile in ArcGIS, and how is it related to a database or a layer file. What are the differences between these 3 things?
1
vote
0answers
26 views

Join tables in QGis 2.01. Dufour

I performed a "join" going to the properties option in a shapefile (in this case is just a table), in order to join the attributes from another shapefile that has a field in common, specifically ...
4
votes
1answer
1k views

Is there a QGIS bezier curve tool?

I'm a recent convert to QGIS but have been confused about the lack of support for drawing curved shapefiles, especially when Arc has almost too many. A lot of the work that our consultancy do is based ...
1
vote
3answers
6k views

How to read coordinates from shapefiles and overlay on Google Maps?

I have shapefiles i.e. *.shp, *.dbf and *.shx files. I need to read geo coordinates from these files and overlay the area on Google Maps at the right location. I believe that *.shp and *.dbf ...
1
vote
3answers
3k views

Why does Clip keep giving Error999999: Error executing Function Invalid Topology [Topoengine Error]?

The layer being used as the Clip Features has been used before and worked fine, so I assume the issue is the layer I am trying to Clip (Input Features) - I keep receiving the same error when running ...
2
votes
0answers
50 views

How to label feature of shape file on the color map in matlab

I am trying to make color map from text file data.I am using geoshow to call shape file of the region and to set it as back ground of the color map.My shape file is of the country. I have digitized ...
1
vote
1answer
52 views

Iterating Table Fields to Create Individual Shapefiles

I am trying to create individual shape files from a single table that contains the following: Weather Station Names Station XY Cordinates 31 individual field columns of daily data for each weather ...
0
votes
3answers
48 views

Add nodes to polyline at set intervals

I have a shapefile polyline which I would like to add nodes to at set intervals along its length. Is this possible in ArcGIS 10.2 and how would I go about it?
2
votes
1answer
515 views

Is it possible to have self intersecting polygons in shapefile?

GIS vector data for example shapefile contains polygonal data. Lets assume, we have polygon A which has self-intersection which means that the edges in this polygon intersect with each other. Lets ...
0
votes
0answers
18 views

Defining Projection of Shapefile Didn't Align With Basemap, EPA Ecoregions [duplicate]

I'm using ArcMap 10.2 on a Windows 10 PC. I tried defining the projection of the ecoregions of Alabama and Georgia shape file (USA Contiguous Albers Equal Area Conic USGS version) to my basemap (GCS ...
0
votes
1answer
69 views

How do I convert a VMAP to a shapefile using GDAL?

This is my first time trying to convert a VMAP to a shapefile and the examples online aren't as straightforward to me. Any guidance is appreciated.
3
votes
2answers
41 views

Add information from a cvs/text file to a raster shapefile based on latitude and longitude information

I have an empty raster shapefile that only contains the latitude and the longitude of the centroids of each grid. I now want to add an extra variable to each grid cell coming from a cvs or txt file. ...
2
votes
3answers
88 views

Too many contours labels are showing up in ArcMap, not just ones for selected subset?

I created a shapefile for contours lines on the basis of a raster. Since I am interested in just 5 contours (out of, say, 50), I selected for display just the contours I am interested in. I achieved ...
0
votes
0answers
67 views

Code converting lat/long coordinates (WKT) to polygon (shapefile) not working

I am having a problem converting WKT to shapefile. I have a csv file consisting of three columns: ID, Name (of the area) and WKT comprising set of lat/long coordinates of area boundaries. For example, ...
1
vote
1answer
80 views

jquery range slider to filter geoserver layer attribute

i would like to apply with jquery range slider a filter to an attribute of a geoserver layer. I prepared the code for the shape topp:state, attribute PERSONS. How is it possible filter the PERSONS ...
1
vote
2answers
54 views

Is there any shapefile (or other format) of Russia's time zones after 2014 changes?

According to for example Wikipedia, Russia changed its time zone boundaries in 2014, moving areas between existing zones and defining new ones for the Crimea area. Is there any shapefile or other ...
2
votes
1answer
101 views

How to plot certain values of a column in R?

Lets say we have a shapefile of cities with a column called category cities@data category A B A C A A B C How can i plot the A category only etc? Tried c<-cities$category[A] ...
1
vote
2answers
45 views

Leaflet's shapefile plugin only compatible with Firefox

I created a html page (currently locally) and used Leaflet to create a basic map to which i plan to add several shapefiles. To do this, i use the leaflet.shapefile extension ...
0
votes
1answer
32 views

How to do union that results to a SpatialPolygonDataFrame in R?

I have the following code coastline<-readOGR(dsn=".",layer="shp") wetlands<-readOGR(dsn=".",layer="shp") wetb<-gBuffer(wetlands,width=500,byid=T) ...
0
votes
0answers
45 views

How to cut big shapefile into several smaller shapefiles?

I'm converting my shapefiles to gpx files to use them in garmin gps, but if the shapefile is too big, I lose data in the conversion. I get a gpx with holes in and I cannot work with it in the field. ...
0
votes
0answers
22 views

How to export shapefiles and other attributes to KML using QGIS?

Is it possible to include all the attributes in the table of a shapefile when exporting it from QGIS to KML? I want to view all other data inside my table in Google Earth.
0
votes
1answer
61 views

Distance to coastline?

I have a shapefile of Ireland, and some xy coordinates plotted on top of it. Is it possible to calculate distance to the coastline, for each XY? I am an ArcGis beginner.
2
votes
1answer
25 views

JAVA GIS create shapefile from FeatureLayer

The title kind of saids it all. I am attempting to export a featurelayer to a shapefile and am not having any luck finding a library which includes this functionality or relevant code to see where to ...
1
vote
1answer
79 views

Big performance difference reading shapefiles between QGIS and R

I'm trying to read the belgian landuse ESRI shapefile from geofabrik.de: http://download.geofabrik.de/europe/belgium.html In QGIS it's just a matter of seconds, but in R using the readOGR function ...
0
votes
1answer
57 views

Importing shapefiles with unknown spatial reference into feature dataset?

I was wondering if I import shapefiles with unknown spatial reference into a feature dataset, with desired coordinate system, would that work?
2
votes
1answer
31 views

How can I save a modified shapefile in ArcGIS Pro as new shapefile?

I downloaded a zipped shapefile and modified it in ArcGIS Pro. How can I save changes as a new shapefile? I see only the option to save as Layer File. If it is not possible, how I can edit an ...
3
votes
0answers
33 views

Extract the outer points of a Point Shape into a Line Shape? [duplicate]

I've installed QGIS 2.8.2 since a few days and have no experience with this application. I try to extract the outer points of a Point Shape into a Line Shape, like a shell for the inner points. All ...
3
votes
1answer
33 views

QGIS Convert bathymetry shapefile from fillable to strokeable

In Java I would like to stroke the bathymetry depth lines instead of filling the area. I'm starting with the Natural Earth Bathymetric Data: ...
1
vote
0answers
31 views

Detecting broken hyperlinks using ArcPy? [closed]

I am trying to use ArcGIS 10.2.2 to detect broken hyperlinks from a .shp and export them to a text file. Is this possible to do this with Python scripting? I only want to see the broken hyperlinks ...
0
votes
0answers
45 views

How should i combine these rasters?

I have two buffers that i want to combine. I tried overlay with fun=function(x,y){return(x*y)} but 0*5 = 0 so it produces NA's.I don't know how to combine them the one buffer should be 500 and the ...
1
vote
1answer
28 views

Shape Files and adding Label Data

Introduction: I'm still fairly new to GIS and have only had about 3 weeks experience. I set up an OSM server locally with .osm.pbf data and it worked just fine. When I pulled the map in the browser, ...
-2
votes
1answer
83 views

Where can I find spatial data for UK administrative boundaries?

I am specifically looking for UK local authorities, wards, postcodes in shp file format.
1
vote
1answer
31 views

Merge a table with a shapefile (not the same dimension)

I am trying to merge a table with a shape file using R. The shapefile's database is bigger than the table and I need to have null or zero values where the two data sets don't match. Table data no. ...
1
vote
1answer
39 views

Multipoint shapefile won't display

I have created a multipoint shapefile file and added lat/long data for a few hundred points (by copying and pasting columns of data from excel). The new shapefile is the same coordinate system as my ...
2
votes
1answer
59 views

Changing the extent of a Shape file in ArcMap for distrubution modelling in R

I am currently trying to create a species distribution model in R using maxent. The shape file I have is a map of an island. When viewed in ArcMap it has a set extent--in Lat and Long. I can ...
0
votes
0answers
24 views

Find line where the beginning or end of line touches a polygon with minimal radius

I need to check, If a point from a beginning or an end of a line is nearby a polygon. The target is to check, whether the line is nearly connected to a polygon. The data are coming from a shapefile. ...
0
votes
2answers
56 views

Extracting a number of rows from a column in R

It's a shapefile that has a column with population. a$POP2001 It has 200 rows.I want to extract the settlements that contain less than 1000 residents, so i did this: s<-a[a$POP2001<1000,] ...
2
votes
1answer
33 views

Multiple display of vector layer in a qgis plugin interface

def initGui(self): """Create the menu entries and toolbar icons inside the QGIS GUI.""" icon_path = ':/plugins/cropEt/icon.png' self.add_action( icon_path, ...
0
votes
0answers
61 views

Feature Points Shapefile missing Spatial Reference Information

I'm working with ArcMap 10 and I have a feature points shapefile from the Florence (Italy) municipality open data (http://opendata.comune.fi.it/statistica_territorio/dataset_0040.html). Each point is ...
1
vote
1answer
105 views

How to reproject a raster from lat/lon to UTM in R?

i have to turn it into a UTM in order to make the buffer functional. wets<-readOGR(dsn=".",layer="shapefile") r.raster <- raster() extent(r.raster) <- extent(wets) res(r.raster) <- 100 ...
0
votes
1answer
60 views

Keeping Properties When Converting JSON to SHP

I'm trying to convert the Nielsen map of DMAs from a JSON to a shapefile. The properties of the json is as formatted like this: "id": 546, "properties": { "name": "dma:", ...
0
votes
1answer
39 views

How to rasterize a shapefile in R? [duplicate]

I have several shapefiels that i have to turn into raster. Here's the coastline coastline<-readShapeSpatial("shp") r <- raster(ncols=90, nrows=45) jd<-rasterize(coastline,r) plot(jd) ...
0
votes
1answer
54 views

How to rasterize a vector dataset in R?

I would like to compare vector vs raster data. So i try to fix a problem using both ways. I made it in vector first : coastline<-readShapeSpatial("shp") wets<-readShapeSpatial("shp") ...
0
votes
1answer
27 views

GDAL Truncating/Normalizing Field names

While creating a ESRI-Shapefile using GDAL, it keeps truncating/normalizing my field names. Any reason why it does this? If the Field name is more than 10 characters it seems to do this. For example ...
1
vote
1answer
32 views

Python ogr filter attribute SQL

I have a shapefile with 4 attribute fields (MC_ID, MC_info, C_ID, C_info). I want to change some MC_ID values selecting the features by C_info. For example: I want to set MC_ID = 2 for C_info = g19, ...
2
votes
2answers
67 views

How can i update postgis data from shp?

Now,I know how to insert a shapefile to PostGIS by using shp2pgsql.exe. If I have an updated shapefile and I only want to update the updated rows, how can I know the table being updated?
2
votes
0answers
33 views

Merge Spatial polygons from shapefiles

I have downloaded the shapefiles from the following website: http://download.geofabrik.de/europe/france.html Each zip contains a "landuse" shapefile and I want to merge all of them in one single ...
0
votes
1answer
42 views

How to plot a shapefile with colors according to a column numbers in R?

reclass = function(x){ ifelse(x == 0, 10, ifelse(x > 0 & x <= 20, 0, NA)) } arch$ranks<-as.factor(unlist(lapply(arch$ranks,reclass)) arch.col = topo.colors(nlevels(arch$ranks)) ...