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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Advantages of R-trees in comparison to geohashes

Geohashes are being widely used in products like: Lucene, mongodb, etc and have become one of the most important technology of present day. Have Geohashes replaced the good old R-trees or do R-trees ...
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40 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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51 views

Populate a field from another field with a conditional

I am working in SDE geodatabase where I have a feature class 'Mange_Waste' and "Q1", "Q2" are two fields. I wanted to use python script for populating "Q2" from "Q1" with a condition. Like, if the ...
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Moving Vehicle through know digital data

I have a set of 3D digital map data for objects within an area. I want to drive a vehicle with known dimensions (3D points for extremities) through the area without hitting anything. I would have ...
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79 views

How to Build a graph from a map

I spent days looking in all questions here and trying tutorials. I need to build a graph for a region (It will be my input in simulation) I downloaded Postgresql and Postgis and osm2pgsql. Now i can ...
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44 views

How to improve performance using spatial indexing with STIntersects()

I am working on Spatial database. I need to check intersection of state geometry with geometry inside database. I am presently using the query as SELECT a.ID, a.OBJECTID, a.MSID, ...
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27 views

Commercial Admin Levels

I'm looking to find commercially available admin boundaries (0 through lowest available) for the world that I can place into a user-friendly interface that allows the non-technical user (ie someone ...
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28 views

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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113 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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63 views

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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74 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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28 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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36 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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52 views

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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60 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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78 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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190 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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34 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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90 views

Import Shapefile on postgis doesn't show in QGIS

I'm currently working on a project about a database and some shapefiles. The database is built on PostGis with tables including some dots as geometry type columns. Once imported them on QGIS, I can ...
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101 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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29 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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32 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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25 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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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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58 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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40 views

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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56 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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66 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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92 views

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

Good Day! 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 ...
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106 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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13 views

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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48 views

Group Nearest neighbor query in SQL Server 2012 spatial database

I am looking for way to perform GNN query over road networks in SQL Server. Any pointers
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20 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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470 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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102 views

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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48 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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93 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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93 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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97 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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119 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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188 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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158 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 ...
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420 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 ...
3
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1answer
243 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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83 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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104 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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750 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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650 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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Why does MAPublisher need to install Office 2010 redistributable x64 version to connect to Personal Geodatabase (MS Access)?

I am trying to connect to a personal geodatabase. a .mdb file, with MAPublisher but I get the message immediately to install a Office 2010 redistributable x64 version. I have installed 64 bit office ...