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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47 views

Why do we georeference from the image to the shapefile (and not the other way around)? [closed]

Why do we georeference going FROM the image, TO the shapefile (and not the other way around)?
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1answer
27 views

How to measure distances between multiple polygons whilst avoiding buildings

I am trying to map habitat corridors for different species of animals. A map with both habitat areas and buildings as shape files (shown in the image below) Maximum distance an animal will leave ...
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1answer
41 views

Issue comparing two separate shapefiles

I have two separate shapefiles (A&B) with road data that overlaps, but not in every place and they are very similar but do not line up perfectly. I want to compare them to each other, but they do ...
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0answers
16 views

Converting file from shapefile to open street map [duplicate]

How can I convert a shapefile(.shp) to open street map(.osm)?
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0answers
76 views

Insert shapefile draw features into PostgreSQL database using java EE (pragmatically)

I am working with PostgreSQL 9.4 and Java EE i want to insert shapefile or layer's features into PostgreSQL, is there any solution so i can insert the whole shapefile into database. OS Windows10. ...
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0answers
17 views

Automatically calculating area of polygons in shapefile using ArcGIS for Desktop? [duplicate]

I want to calculate area based on FUNGSI_KWS. When I merge, for example "HL" with "HL" on FUNGSI_KWS, the value of area didn't summary automatically. Is there any possible way?
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1answer
22 views

Working with shapefiles in MapServer: adding color, smooth edges

I am successfully serving Koeppen-Geiger climate shift data from a MapServer instance. Here is an example WMS request to show the current state. Unfortunately this looks nothing like the ArcGIS ...
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0answers
17 views

How to populate text field in a shapefile table by 0 length string using ArcGIS? [duplicate]

Experiment: Original table: Field calculator expression applied to TXTfield: “” Add numeric field: Field calculator expression applied to numField: len( [TXTfield]) Result: Note: ...
2
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1answer
32 views

Get layer's “Feature Type Details” using geotools

I'm trying to do something like this: Check Geometry Type of a Shapefile Using GeoTools? ... but getting from a layer (Shapefile source) in Geoserver. In short, how can I get the data from this ...
3
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2answers
163 views

How to add a shapefile programatically using PyQGIS

I am trying to add a Shapefile outside of the QGIS environment using PyQGIS. Ideally this would be done without creating a map in QGIS. I've started with the code below but am receiving the following ...
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0answers
25 views

pyqgis change or update attribute data with real-time data or Timer update,Memory has been growing

I update my shapefile attribute data by QTimer ,and labling it, keep the lable visiable,change attribute by 1 minute, but the Memory has been growing 1 layers =self.iface.legendInterface()....
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1answer
38 views

Adding a column to polygon table with correct corresponding address

I have 2 shapefiles: one with polygons (buildings) and their properties other one is a point address shapefile - it contains points that are inside polygons from the other SHP, but it's still ...
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1answer
17 views

Illustrating the average utilization of trails by hikers

I have a question about illustrating the average utilization of trails by hikers. I have made a survey where I asked the participants which trail they used for hiking.There are a lot of trailoptions (...
2
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1answer
59 views

How can I intentionally corrupt the geometry of a shapefile?

I am in need of a few shapefiles with bad geometry for testing some Python code. How can I intentionally create bad geometry in a shapefile? Preferably I would be able to create three (point, line, ...
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2answers
51 views

How do I add my own data to an existing shape file?

I want to add event data to a geographical map. I have district shape files for Zimbabwe that I downloaded from GIS. However I now want to add my own data on to it. How do I do this? I have added ...
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1answer
32 views

Shapefile with point or polygon

I'm just beginning with SIG and QGIS. I've been given two shapefiles with cities. One shapefile appears like point shapefile in QGIS, the other like polygon shapefile. The problem is that the polygons'...
2
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0answers
51 views

Load shapefiles stored in web page in QGIS?

I prepared a map with QGIS and published it via QGIS cloud free. Some layers are quite big, and the cloud size 50MB limit has been reached. If the layer sources could be stored in my web page --- ...
3
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1answer
101 views

How to reference all the shapefiles within a Windows folder and merge them in ModelBuilder?

I have a group of shapefiles that are stored in a Windows folder. There are multiple users that will be adding shapefiles to this folder or editing existing shapefiles in this folder on a continual ...
2
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1answer
101 views

Creating shapefile from polygon points for CartoDB?

I have an Excel file that contains polygon coordinates for different areas. The spreadsheet has three columns: latitude, longitude and area name. Each coordinate makes of a part of the boundary of a ...
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1answer
33 views

Averaging multiple values to a single value by common field ID

I want to see how accurate/representative a centroid's datapoint value is compared to averaged multiple datapoints values for the same polygon. There are MANY polygons in the same shapefile. I have a ...
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0answers
36 views

Expanding shapefile shapes

Given a coastline definition (e.g. NOAA GSHHG or OSM Coatlines), I would like to "expand" or "grow" the shape defined by a set amount, e.g. 100m. For example, given a island like this (with 8 points):...
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1answer
17 views

Shapefile of South Tyneside borough (north-east England) boundary

I'm looking for a free-to-download shapefile (polygons) of South Tyneside borough. South Tyneside is a metropolitan borough in NE England. Can anyone help?
3
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2answers
86 views

Retaining timestamp when saving gpx as shp in QGIS?

I'm somewhat new to QGIS. I used my Garmin GPS unit to record my tracks while collecting plant specimens for a plant inventory. When I collected each plant I noted the time of collection. I want to ...
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0answers
13 views

Performance of PostGIS view vs shapefile for WMS in GeoServer? [duplicate]

What does GeoServer render as WMS faster, a layer using a postgis view or one getting data from a shapefile? The data I am working with is a table with 55k rows and with 30 columns, with multipolygon ...
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1answer
36 views

Storing PostGIS view for GeoServer? [closed]

I want to know, where this view is actually stored in the server, and how does it interact with the database. I saw that the size of the database is increasing when GeoServer try to serve/create some ...
2
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0answers
48 views

How to clip a .osm.pbf file to a shapefile in R

I have (1) an OpenStreetMap file of a large area in .osm.pbf format that I would like to clip with (2) a shape file .shp of a smaller area using R. The output output I would like to get is a .osm....
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1answer
107 views

run command line shp2pgsql in c# function?

i'm developing an application web with asp.net/c# and i would in a button importing the shapefiles into postgis, and i'm trying with this code, this code i'm using it in cmd.exe in windows it imported ...
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1answer
60 views

Downloading GIS Map for Pakistan into QGIS

I'm looking to add canals and bunds to my raster and have found some GIS maps at: Canals Bunds Bunds Image Network Plan Map Image - looks to contain both canals and bunds I'm not clear on how to ...
3
votes
1answer
70 views

Convert Japan Administrative Boundary Data to Shapefile

I've downloaded Administrative Boundary data from the Japan MLIT (Ministry of Land, Infrastructure and Transport), but it is in an XML based format referred to as JPGIS or KSJ. Are there any scripts, ...
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0answers
31 views

Feature Layer parameter showing only Polygon Shapefiles

I have created a Python Tool in ArcGIS where most of the paramaters musts be ONLY Polygon Shapefiles. You can also look on my previous question: Filter the Feature Layer parameter in Python Script ...
2
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0answers
71 views

How to convert the BLOB value for the features geometry of type st_geometry kept in ArcGIS databse on Oracle [closed]

I am using ArcGIS Oracle database and I am trying to access feature geometry points as string. But the problem is that the points are kept as blobs and I cant convert to meaningful string. select ...
0
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1answer
89 views

In MapBox Studio, how to create a centred label of a polygon created from Shape file?

To get the undesired result below, I: Uploaded a zipped Shape file to MapBox Studio. Using the shape, created a layer of polygons to display area boundaries. Using the same shape, created a text ...
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0answers
23 views

QGIS OBIA join attributes by location xml file

I was trying to follow this tutorial for object base classification However, when I reach this step, it becomes confusing. I run the join attributes by location just as it said, and the output are ....
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1answer
75 views

ArcGIS for Desktop exporting empty shapefile

I have a feature class in ArcGIS for Desktop 10.3. This feature class contains 12 point features. I am attempting to export this as a shapefile; Rightclick feature class -> Data -> Export Data (...
0
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1answer
60 views

How to get, then export as .csv the lat lon centroids from shapefile layer

I have a shape file with a whole lot of regions on it. I need to find the centroids for each of these regions in the shapefile (as latlons) and export this as a .csv I have done extensive research, ...
2
votes
1answer
43 views

Correlation of yield data within a buffer zone

Working with QGIS 2.12.1-Lyon, I am trying to compare one point (single shape file) with multiple others that fall within a buffer zone of 10m i.e. comparing one shape file with another. The end ...
1
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1answer
30 views

Splitting shapefile into separate shapefiles based on feature class using Arcmap 10.3?

I'm trying to split up this nested watersheds by name. I want each watershed to be it's own shapefile. Is there a faster way to do this besides highlighting each watershed and then exporting it? I'...
2
votes
2answers
35 views

Assigning column names dynamically

I have an interesting problem: I need to batchprocess a few files. I do that in a for-loop, where some operations are performed. Later on I want to write the outcome into an existing shapefile which ...
3
votes
1answer
120 views

How do I change the shape file (.shp) format to Object File Format (.off) file

I got a map and its format is .shp. What tool can be used to change it to one of the following file formats .off, .ply, .wrl, .obj, .m, .gim. ?
2
votes
1answer
54 views

Aggregating up spatial information

At present I have a dataset which is broken down by Electoral Divisions (circa 3,500). However, due to issues with some of my variables I need to choose a larger spatial unit - Local Electoral Area (...
3
votes
1answer
84 views

How to do operation after using over() for a shapefile in R?

I am copying the answer of Counts the number of points in a polygon in R library("raster") x <- getData('GADM', country='ITA', level=1) class(x) # [1] "SpatialPolygonsDataFrame" # attr(,"package") ...
3
votes
1answer
98 views

Export Shapefile for a custom region

Is there any way to export a region on google maps to a shape file or any other format? For example, I have the following region on google maps. I wish to export it to shapefile.
8
votes
1answer
231 views

Convert longitude/latitude to pixels on the map

I have a map from here. I want to be able to simply convert arbitrary lon/lat pair to pixels on the map (also the ability to do reverse conversion). The maps come with .tfw file and projection info, ...
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0answers
15 views

How can I draw points on my mobile and then pass it to my computer? [closed]

we are doing a survey to know how many people still use outside bathrooms in the Caribbean, I want to go house by house using a shapefile image on mobile and point the location of points of interest ...
1
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2answers
54 views

How to select polygons by duplicated attribute value from a shape file?

I have a shape file that contains many polygons(>200,000). Some of these polygons are assigned the same ID number. None of the polygons overlap other polygons. I need to find a way to select out all ...
1
vote
1answer
36 views

Truncate a Shapefile field with SQL and ogr2ogr

I want to create a new attribute which is the first 8 characters of another, using ogr2ogr. To my surprise, this didn't work: ogr2ogr -f "ESRI Shapefile" a.shp b.shp -sql "select FID,left(FLOORKEY,8) ...
2
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0answers
64 views

Change default “save as” folder QGIS

I would like to change the default path for saving layers ("save as" in the main layers panel). Now the default is C:\Program Files\QGIS Lyon\bin (in which I even don't have the rights to save ...
1
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1answer
138 views

ArcMap doesn't recognize geodatabase files under “Add Data”

I have a folder filled with geodatabase files of the following formats: ATX, FREELIST, GDBINDEXES, GDBTABLE, GDBTABLX and SPX. I would like to convert these to shapefiles using ArcMap. I've been ...
4
votes
2answers
144 views

Problem Merging multiple shapefiles with different CRS in QGIS

I am trying to merge multiple shapefiles into one, but I encounter one error, not all of my shapefiles end up merged. I am able to load all of my shapefiles but when I attempt to merge them, the ...
4
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1answer
71 views

Making multiple layers editable in QGIS?

I am using QGIS and I want to eliminate fields from 300 shapefiles. All layers are loaded and selected. Is there a way to enable all 300 for simultaneous editing?