Spatial database is a database that is optimized to store and query data that is related to objects in space, including points, lines and polygons.

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how to see a base map created by map builder in database?

I am new in oracle, I tried to create a style, then different themes and then a base map. I saved all my work, but I can't see the base map in the database. Did I miss something? The interesting ...
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328 views

Error while creating spatial database connection

I'm using ArcGIS 10.0, and I've already created my database using "ArcSDE for PostgreSQL Post installation" .. My database is successfully created in PostgreSQL and now that I'm trying to create a ...
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ST_transform postgis

SQL within that zone is a point SELECT "public".zona.zts FROM "public".zona WHERE ST_Within ( ST_Transform ( ST_GeomFromText ( 'POINT(-30.033514 ...
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278 views

Problem loading spatialite extension with sqlite3 Python connector

I am trying to load the Spaltialite extension using SQLite3 python module. I am getting the following error when I run my script. EOFError: [Errno 10054] An existing connection was forcibly closed ...
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40 views

managing postgresql database table using the pgadminIII sql tool

i have created a database using postgresql 9.1 and a table containing parcel information for a town council database on a windows 7 OS. i created the geometry column using the SELECT ...
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60 views

Integrate static database with spatial database

I have some questions about how to integrate static database with spatial databases. problematic: I have several static data bases on different platforms (Oracle, MySQL, SQL Server) I want to turn ...
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Appending fields from external tables to feature class?

I have some data in a relational database structure within a geodatabase i.e a feature class with several lookup tables. I need to flatten this data so that certain fields from the lookup tables are ...
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86 views

How to select the cross streets in postgis spatial table?

I've used ST_Intersects and ST_Crosses but between two different tables. I have a table of streets and intersections want to know them. For example select all streets that cross the Street A. Can ...
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114 views

What is the best way to manage geodata with open source software?

We are a small group of GIS users with different expertises embedded in an administrative infrastructure attempting to switch to a small and low cost open source infrastructure (open source GDI). ...
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683 views

Problem PostGIS Spatial Query ST_Contains ST_Disjoint ST_Intersects

I'm working on a project with two different tables inside a database. One contains points in a column geometry(Point,4326) type and the second one has a column geometry(MultiPolygon,4326). Now I would ...
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74 views

Load Featureclass from ArcMap to a Database (sde) with Arcobjects

I have to develope an extension for ArcMap 10.2 that has to get spatial data from an Oracle Database, edit it and finally upload the changes. I create a scratch featureclass whit the data, I edit the ...
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151 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 ...
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70 views

Can SpatiaLite Indexes be used from views?

I'm working with a large SpatiaLite database and trying to take advantage of some spatial indexes I have on my tables that I'm attempting to access through views. Essentially, I have a number of ...
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43 views

Strategies for managing (and ultimately merging) duplicate business locations in a spatial database

I am working on a project right now that involves using multiple (very large) "location directories" to identify with the highest possible inclusiveness, a diverse set of business locations. These ...
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29 views

Is it possible pull multiple documents out of a geodatabase?

I am working on a sliverlight application in which a municipality will be able to view multiple assets for a water treatment plant within a GIS. Within this application, the user will be able to pull ...
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24 views

project from mongodb to a map

Is there any way I can directly project my coordinates stored in mongoDB onto a map? Some sort of opensource tool like OpenJump or something, which would allow me to connect to mongoDB and extract ...
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73 views

How to create a many to one spatial join?

I have a polygon feature class of territories and a point feature class of trees. The points have many attributes, one of them is the tree species name. I need to get the list of all the tree species ...
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Using polygons with libspatialindex

I am investigating using some C/C++ libraries for point-in-polygon lookups and libspatialindex seems popular. I've written some code that seems to do what I want but I'm not entirely sure if what I ...
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191 views

Precision for an FGDB raster dataset?

I would like to know the precision for an ArcGIS raster stored within a file geodatabase (FGDBR format); I can't seem to find this information anywhere in their documentation (apologies if I have ...
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92 views

Is transformation of spatial data lossy?

I have a shapefile that contains data of a country from the following Geographic Coordinate System ( GCS_North_American_1927 aka NAD27 ) contents from the shape file .prj: ...
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224 views

Using Qt Designer to Create a Form in QGIS that can search for a specific point in a layer

I would like to ask if you can create a form in Qt Designer to create a form that can search for a point on the map using data that the user will provide such as the Name. I am currently creating a ...
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247 views

Getting fail to store Polygon Shape Object in Geometry Datatype with hibernate spatial API

Tried to store Polygon shape in database with HibernateSpatial API. I have followed this tutorial to store values. I am using Mysql as my database server. So Made some couple of changes for my ...
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ArcGIS 000210 error copy to feature class [duplicate]

I have a script tool that: Creates a feature dataset within a file geodatabase Performs a Select by Attributes on a cadastral layer Copies the selected polygons into the feature dataset. The copied ...
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162 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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21 views

GeoDatabase user access based on administration boundry

I have silverlight application consuming Map service. Now I want to create user login. The scenarion is somethinkg like when a user logs he should only be able to query on data belongs to his area. ...
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1k views

How to count number of feature classes in geodatabase using ArcPy?

I would like to count the number of feature classes in a geodatabase. Some of the classes are in feature datasets as well. I have tried get count management, but that returns the number of rows in ...
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Homogeneous vs Heterogeneous schema in Postgis

Introduction I'm working on creating a spatial database in Postgis, to be viewed and edited trough QGIS to help managing some farmland areas. One of my goals is the have a centralized place where ...
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66 views

PostGIS replace view crashes PostgreSQL server from ArcGIS script

I have the following script which when from ArcGIS (and a similar script from a QGIS plugin) will update a view. Every so often (around 1 in 5 times the script is run) it causes the PostgreSQL ...
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270 views

Best way to combine 7 different shapefiles into one geodatabase

I have 7 different point shapefiles, and want to join them into one geodatabase. What would be the best method to do this in ArcGIS10?
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336 views

is MySQL spatial ready for production?

currently I'm using PostgreSQL/PostGIS for a small spatial project. Last week the project manager asked me if we could migrate to MySQL with Spatial Extension. I know MySQL but have no experience ...
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160 views

How to use the output file of a script as an input file for the rest of the script in arcpy?

If my question does not make sense or needs clarification please let me know. I am struggling to solve it so I was struggling to phrase it into a question. I have this code here: import arcpy,os ...
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71 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 ...
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150 views

How can I use Openflights database in QGIS?

I would like to have a shape file with the airports position and the routes of the planes I've found Openfilghts but I can't use it in QGIS. Seems that the format of the DB .dat is not supported by ...
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317 views

Connect AutoCAD Map 3D 2014 with MySQL

I need to connect AutoCAD Map 3D 2014 with an Spatial MySQL database (version 5.5) but first I have to install "libmysql.dll" to connect as specified in the software user's manual. This file is ...
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Joining data points to matching polygons

I have polygon data on coral reefs at great barrier reef and separate point data for areas of coral bleaching. I have created a clip that only includes points that exist with in the reef polygons. ...
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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 ...
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839 views

Multiple geometry columns for points, lines, and polygons in spatialite?

I'm rather new to the GIS world and even newer to Spatialite and trying to create a new DB for our application. I would like to create spatial index(es) on the geometry column(s), but our geometry ...
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589 views

FME - How to write all attributes when multiple source files have the same name?

I am using FME to write all the MapInfo TAB files in a directory and it's subdirectories to a File Geodatabase. I'm using dynamic readers and dynamic writers as I don't know the geometry or schema of ...
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162 views

Detecting patterns in vehicle GPS data [closed]

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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135 views

Downloading an unzipped File Geodatabase from USGS

I am attempting to download a file geodatabase from the pubs.usgs.gov site. The file db is DDS69ff.gdb The browser sees the file as a directory so I am having trouble downloading the complete file ...
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156 views

Choosing a database for cartesian coordinates

I'm trying to figure out, which database would be the best choice to store cartesian coordinates (x,y,z). I want to query for the distance between 2 positions, which positions are in a sphere ...
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1k views

How to convert 6 digit Latitude & 7 digit longitude to degrees

Sorry, but I'm a bit knew to the whole GIS world, and though I am making great headway drawing Polygons and such in Bing Maps, I am currently stuck. In our SQL Spacial Data, I came across ...
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2k views

How to find points inside each polygon in Mysql?

I have points table (with latitude and longitude columns) and polygons table with geometry stored in Mysql. I want to get points inside one polygon, for example in polygon which has column ...
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Calculate Coordinates with tolerance

I am trying to find the XY coordinates that can be allowed with the tolerance of 2 meters. In the above image, When the user(smiley) with GPS reach the ----- border line, the system should ...
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607 views

How to create linestrings with a definite angle and length, that are fixed to a point

I want to create linestrings with a definite angle (e.g. 160°) and length (e.g. 2m) that are fixed to a number of points of another linestring. So, I want to use the ST_DumpPoints function to find the ...
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Can't connect QGIS 2.0 to postgresql 9.3 remote server with postgis 2.1 [duplicate]

I am trying to connect qgis to my postgresql server using the add postgis layer option in qgis dufour. I am not getting any details from qgis other then 'connection failed check settings.' However, ...
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How to build query expression to display text from one-to-many relationship in ArcMap?

I have two tables in an enterprise geodatabase stored in PostgreSQL and accessed via ArcSDE: parcel and person 1 or + parcel can have 1 or + person (relationship is pll_person) I can display all ...
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Is the postgis layer option in qgis 2.0.1 Dufour two way? Was the spit plugin built in?

I am trying to install postgresql with postgis on a remotely accessed terminal only installation of ubuntu 12.04 that I want to use to connect to qgis 2.0.1 and hopefully have a two way transfer ...
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How to specify relationships (foreign keys) in a spatially enabled database for census geography?

Lets use the Canadian census geography design as an example: In my experience, a spatially enabled database for census geography can be created in two ways: Each geography contains a foreign key ...
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277 views

Weather conditions forecasting / interpolation

I'm trying to carry out weather conditions interpolations. I have information of 92 weather stations for 800,000 km2. As you can imagine the extension of land is huge and I need some kind or weather ...