One or more structured sets of persistent data, managed and stored as a unit and generally associated with software to update and query the data.

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36 views

Adding information from excel into ArcGIS [on hold]

I am working in ArcGIS and have a excel sheet with data pertaining to properties. I want to add this data to a map in ArcGIS of which i have property boundaries as a shapefile? I have a common folio ...
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1answer
34 views

How do I join an MS Access (accdb) table to a Feature Layer in ArcGIS 10.1?

I would like to join a table from a microsoft access database (.accdb) to a featurelayer in ArcGIS 10.1. How do I associate tables from that database with existing layers that have a matching ...
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2answers
30 views

Cannot convert dms to dd in Excel 2007 using VBA code

I am trying to convert the data in an Excel sheet from dms (degree-minute-second) to dd (decimal degree) format using the vba script available here. Here is sample data: 53° 0' 39.31" 6° 44' ...
2
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2answers
35 views

PostGIS SQL NOT EXISTS Statements? [closed]

I'm trying to query my PostGIS database for ID of people who did X but did not do Y. I've attempted the query below, but it does not return any results. I'm very new to SQL so I may be overlooking ...
4
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0answers
48 views

Need Advice - Displaying very large amounts of data on Leaflet js from database

I'm researching the best way to display a very large weather dataset (850mb +/-) for folks to use on their mobile and desktop devices. This huge dataset (1 point every 12km across the USA) that I'd ...
9
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2answers
255 views

What is the best hack for importing large datasets into PostGIS?

I have to import large Shapefiles (> 1 million records) into PostGIS, and I have been wondering about the best way to do it. In my question I used the word "hack", instead of tool, on purpose ...
4
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1answer
82 views

Pulling CSV file directly from website into QGIS?

I want to be able to automatically update my csv files in a QGIS project. My organization has an online database that can easily export csv files. These csv files are constantly updated with new ...
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1answer
38 views

POI database of tourist attractions, or POI database with popularity index

I'd like to build a list of popular points of interest and tourist attractions for many/every city in the world. Is there any sort of dataset that I can use for this which either contains only popular ...
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16 views

How to get sql error from postgis when a plugin fail to load vector layer?

I am writing a plugin for qgis that load a sql layer from postgis database. I am disappointed that when the layer fails to load i can't find a way to get the sql error message from database server. ...
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2answers
46 views

What is best way to reorganize osm into PostGIS database entity?

I'm just wondering how to reorganize the OSM given entity to more flexible and schematic purpose. The OSM gave 4 entities the planet_osm_line, planet_osm_point, planet_osm_polygon and ...
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0answers
26 views

connecting cartodb to existing mysql database

I'm trying to create a simple heat map based on longitudinal and latitudinal map coordinates that can be transferred from a database on mysql that I've created. I read that cartodb can be connected to ...
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1answer
56 views

Setting up a GIS server or platform

Sorry for my lack of knowledge. I have been using GIS for a while but just for analysis and don't know much about the data side of the business. Recently my boss asked me to think about setting up a ...
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1answer
62 views

Is there a special tag to calculate way length in osm2pgsql?

There are special tag 'way_area' in osm2pgsql creating a database column that stores the area of polygon fatures. So is there something like this for calculation of length of line oblects?
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37 views

world city database (with lon,lat) & population per year

I'm building a visualisation with cities population around the globe for a website, found the MaxMind free database that includes most cities around the globe with coordinates and population, which is ...
0
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1answer
24 views

web map service - does it update by default when data is amended in Oracle source tables?

I have a WMS which source data is held in Oracle. Every year an amendment to the view in Oracle is run to update records. Does the web map service need to be re-published once these amendments are ...
0
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1answer
21 views

GPL-compatible database of country & region names

For WordPress's sister project BuddyPress, we are looking for relatively-reputable resources that manage a list of countries and regions. Due to the WordPress OpenSource philosophy, we are only ...
2
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1answer
74 views

Best simple GIS for Estate inventory and mapping

I think my GIS needs would be considered simple for the 3500 acre estate I manage: create maps of our roads, trails, fields, and buildings, and show distances on the roads and trails; calculate ...
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1answer
91 views

flatten / collapse one-to-many table and keep the 'many' attributes separate

I have a data set that contains intersection data. Each intersection node has up to 6 links which is identified by IN_LINK and OUT_LINK attributes. I want to create a new dataset that includes the ...
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1answer
55 views

Possible to store 3D features such as dome into geospatial database?

Is it possible to store 3D features such as dome into geospatial database such as PostGIS? I know that it can store x,y,z data, can such complex features be stored into database?
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0answers
14 views

Aggregated zoning (sq footage) records by town [duplicate]

Is there a database of zoning records where you can find the square footage by room of an address? I would like access to it to create a cost splitting application.
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3answers
50 views

Integrating ArcGIS for Desktop with Past Perfect for mapping public art objects?

I am working on a project where I need to map out several assets that are found around the city. The Arts Department utilizes a software called Past Perfect to catalogue and track any art assets. My ...
2
votes
1answer
164 views

Configuring spatialite database access for Python 2.6.6

I'm working on a GIS project, and I would like to implement and test some geo-spatial algorithms in Python. For this purpose, I will not only need sqlite, but also spatialite, in order to store and ...
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2answers
109 views

Most optimal way to create a (spatial) database for big amounts of data?

I am using QGIS, and on my way to set up a huge spatial database (geographical), where most of the data is points without geometry), along with other types of data (like lines in DXF and areas in ...
5
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3answers
534 views

QGIS, Postgis: Geometry type does not match column type

I'm trying to import some polygon shapefiles to Postgis in QGIS via SPIT. One of them can't be imported and returns this error: ERROR: Geometry type (Polygon) does not match column type ...
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2answers
72 views

QGIS Connection PostGIS and shapefile

I'm working on QGIS with a database created in PostGIS and a shapefile. Inside the database, I have geometry type data about location of some points, instead on the shapefile there some selected ...
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0answers
59 views

In ArcGIS, how to automatically recalculate a calculation if I modify the Excel data source?

There's a database with buildings. Each of them has a few parameters, for example building type codes. In a distinct table each building type codes has 4 attributes. During the Join, the datas will ...
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33 views

Compatibility between ArcGIS for Desktop 10.2.1 and Node4j databases

The software that I use for spatial analysis and database connection with an external database is ArcGIS for Desktop 10.2.1, by Esri. Do you know if it is technically possible to connect ArcGIS for ...
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1answer
124 views

Calculation to convert db data to Lat/Lng degrees

In a database I have the following Lat/Lng data. I wish to convert it to a readable format. 177514245:34726053 => S 32 7.3947, E 115 51.4245 177513828:34726948 => S 32 7.3052, E 115 51.3828 ...
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0answers
16 views

Industries Database - EPRTR?

I am looking for a coherent , complete (At least EU coverage) and reliable (spatial accuracy) databse for INDUSTRIES I have been checking EPRTR database. Basically, it shows around 24,000 industrial ...
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0answers
32 views

How do you assign classes to percentage data in a data layer?

As a learning project I need to coneptualize a GIS output for assigning classes to data in a raster layer. In this case i have the unemployment rates for relevant magisterial districts in my ...
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0answers
36 views

Is it possible to retrieve lost versioned data in SQL Server Management Studio?

One of my staff accidentally deleted a feature class she was creating in her version before I reconciled it. I have grabbed a back up of the database from yesterday in SQL Management Studio. Is ...
0
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2answers
108 views

How to join MySQL database to QGIS polygons

I Have an *.sql file that has no spatial information. For every record there is an id. I also have a Qgis project with polygons without any id. How can i connect the polygons with the database? I ...
2
votes
1answer
200 views

is there any direct access to Mapbox data? (similar to CartoDB's sql api)

I've been asked to add a form to a map that will write data in the background (e.g., ajax to a magic file that does datawrites and some emailing, notifications etc) and a new marker will be added to ...
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2answers
102 views

spatial database vs spatial datastructure?

I am building an automated system that has to process several hundred spatial queries in the form of a polygon every day. The queries have to return both spatial and nonspatial data from different ...
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0answers
36 views

How to export QGIS elevation data to Mysql WAMP

is there a way to export elevation data from QGIS to wamp server(mysql)? please help me. I need to store all the data to mysql wamp.. thanks!
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2answers
26 views

attach point grid data non-grid points

Possibly a strange one: I have a dataset with loads of fields of environmental (explanatory) data, as a regular grid of points (black dots in image), and another dataset of sampled (response) values ...
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2answers
120 views

What is a good Javascript API for weather data?

I'm looking for a good javascript api which gives access to a weather data-base. I want to extract information like average number of rain days, amount of sunshine and average temperature. Is there ...
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0answers
112 views

PyQGIS + PostGis: FATAL: sorry, too many clients already

I searched for questions regarding this problem and hadn't find one. I'm developing a custom application with a map canvas to show some geographic information from a PostGis database. After some ...
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0answers
31 views

ArcGIS 10.1 MakeTableView doesn't filter records

I'm running ArcGIS10.1 on Win7 64bit with Oracle 11g and I'm having trouble with database table connections in Oracle. In Modelbuilder I use the MakeTableView tool and apply a filter expression so ...
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0answers
37 views

Appropriate data structure for a bunch of polygons

I'm not a GIS guy so this might be a very misguided question. At present I have compiled a python dictionary, on which I perform some simple processing and return some answers. My data is structured ...
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0answers
60 views

Best OpenSource Database to serve images on web?

I am using a mysql database where I store images as blobs. From here, I serve them on the web. Does anyone know if there is another opensource option that works better? I would need something to ...
0
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0answers
45 views

Los Angeles Public Parking Lot Polygons?

So, I'm looking for some relevant data to incorporate into my map, and one of them is public parking polygons. Is there such a .shp file with these data?
1
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1answer
43 views

Spatial database data representation vs. spatial programistic libraries representation [closed]

Can anyone tell me what is the difference between spatial database data representation and spatial programistic libraries representation? It is not clear to me. I have tried to google it and I can ...
4
votes
1answer
186 views

Extract points from regular data.frame with coordinates based on SpatialPolygonsDataFrame in R

I have a regular data.frame called datos.merged class(datosmerged) [1] "data.frame" The last two columns are the corresponding geographical coordinates datosmerged[1,c(23,24)] XCOORD ...
2
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0answers
125 views

How do I capture data from an OBD-II device?

So I happen to have a little bit of web experience, and have recently bought an OBD-II device. Basically, I'm trying to log certain metrics from the car, such as location and other diagnostics. I ...
2
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0answers
39 views

Insertion of a raster geotiff in PostgreSQL database

I am new in PostgreSQL and psql. What is the method to insert a raster geotiff in a postgreSQL database using command psql? What is the best format? Someone indicates to save a raster image as BLOB ...
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1answer
107 views

Detecting patterns in vehicle GPS data

I need to analyze data uploaded from vehicle GPS devices to detect travel patterns and then attempt to learn about the normal travel patterns for that vehicle so that predictions can be made about ...
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0answers
11 views

Can we use bounding box with Mysql? [duplicate]

I need to show the data from the database, but only those data in the current user's view. I need bounding box option for that. Is it possible with mysql?
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0answers
248 views

How to add lat/lon data in ArcGis 10.1?

How do you add xy data to a DEM Raster in ArcGIS 10.1? I have done this before, and it has worked just fine. However, when I recently tried adding a MS Access database which has lat/lon coordinates ...
3
votes
1answer
73 views

How to combine Spatialite Databases

I'm trying to combine a few Spatialite Databases into a single database, so that I can properly reference them, etc. I don't care about referencing them to one another (No foreign keys, etc), but I ...