The act or an instance of bringing something up to date.

learn more… | top users | synonyms

8
votes
2answers
2k views

Automatic batch update a file geodatabase from shapefiles

Every week I need to update the same shapefiles that are used to produce up to date maps. The files are downloaded from 3 different web-servers. The thing I want to do is to have a script that can ...
7
votes
2answers
2k views

How to run two PostGIS versions in parallel on Windows?

I'm trying to understand how to install PostGIS2.0 on Windows7. The PostGIS site has the following suggestions: PostGIS Experimental Binaries PostGIS 2.0.0SVN Binaries with Raster, Topology ...
6
votes
1answer
189 views

How to make a automatic updated date and time field in QGIS 2.14?

I want to make a date and time upadated field as I edit an attribute field in this format yyyy-mm-dd 00:00:00 (= 2016-05-08 11:04:00) - my local date/time. The data is in a QGIS 2.14 shapfile and ...
6
votes
1answer
3k views

PostGIS - 1.5 to 2.0 easy update

I have a PostGIS 1.5 database and want to update to 2.0. I read that because this is major release I have to follow the 'Hard update' procedure. However the spatial data I have is only test data so I ...
5
votes
3answers
302 views

How to find and replace attribute values based on a list

I have a Shapefile and a list in .csv which contains two columns with names: "Old_name" which contains the old names that already exist in the attribute table of the previously mentioned Shapefile; ...
5
votes
3answers
2k views

How to update feature positions with clustering in OpenLayers?

I have an OpenLayers 2.12 map with a vector layer with a cluster strategy. All the static behavior is how I want it. Now I'd like to add the possibility to update the features' position. I do this ...
4
votes
2answers
2k views

set values in feature class attribute table to null

I've created a point-data featureclass (fc) containing data from a simple .txt file using Arcpy as follows: arcpy.CreateFeatureclass_management(out_path= outPath, out_name= 'fcTest', geometry_type= "...
4
votes
4answers
7k views

Get single layer in OpenLayers 3

I am doing an upgrade from OpenLayers 2 to Openlayers 3 and it seems to me that in OL3 there is no direct way to get a layer from map by its id. In OL2 it was like: map.getLayer(id) If we look in ...
4
votes
2answers
3k views

Update point coordinates in QGIS after manually moving locations in edit mode

I have imported point coordinates from a database, but I need to manually adjust a lot of the locations. Is there a way for QGIS to automatically update the point locations in the attribute table ...
4
votes
3answers
987 views

arcobjects update geometry Z values of line vertices with a given number

I am trying to develop arcgis 10.0 addin to update Z values of vertices of a selected line. Scenario: The tool scans all features in a given shape file and populates the list of features which has at ...
4
votes
1answer
278 views

Update PostGIS after updating GDAL?

I am using PostGIS 2.0 and I want to use the raster functionality through mapserver. It seems as if the latest official GDAL release 1.9.1 has an unstable PostGIS raster driver, as pointed out in a ...
4
votes
1answer
114 views

Update Grid cell value with Point attribute

I have a 4km gridded dataset with each grid cell value as a measurement of precipitation. I would like to update it with a point shapefile of more precise precipitation values. Aside from ...
4
votes
1answer
261 views

Arcmap: subset A.shp based on B.shp, then partially update B.shp

Okay, so I have 2 shapefiles: US states outline file (very coarse/simple outlines) Global Self-consistent Hierarchical High-resolution Shorelines, Level F (much finer spatial resolution) I am ...
4
votes
1answer
214 views

Is it be possible to re-render parts of a tile pyramid when postgis table updates?

I have this idea of using postgis together with a tile renderer for serving my organization with tiled maps. As I believe my data will be partially altered almost on a daily basis it does feel like a ...
3
votes
4answers
87 views

Recommended way to update standalone QGIS on Windows?

QGIS Standalone installer suggests a default installation location like c:\Program Files\QGIS Wien, including version name in the path. Does this mean the recommended way to update to a new version ...
3
votes
1answer
57 views

OGR update using case statement

I am looking at updating a number of large shapefiles using ogrinfo and UPDATE. I would like to perform a CASE function to update specific fields with specific values. Is it possible to perform CASE ...
3
votes
1answer
896 views

Update QGIS on Mac OS X

I would like to update QGIS from 2.2 to 2.4 on Mac OS X (10.8) but I cannot find how to do so. Do I have to uninstall and re-install all from KyngChaos? If so, I would therefore lose the extensions ...
3
votes
5answers
1k views

Having trouble nesting updatecursors

I'm trying unsuccessfully to perform updates on multiple linked tables using updatecursors. The following code works as I would expect: trackRows = arcpy.SearchCursor("tracks","Key_='b2879561-d751-...
3
votes
1answer
183 views

How do I update common fields in multiple feature classes with ArcPy?

I have a piece of code that I can use to update several fields in a specific feature class. I would like to use this code to update all of the feature classes in the data set. The data set would ...
3
votes
1answer
212 views

Updating fields of feature layer and reflecting changes in original data

I am trying to write a script that will select points from a feature class that are within a polygon and update the fields within the original point feature class. The problem I'm running into is ...
3
votes
1answer
239 views

Is it possible to update only latitude or longitude in postgis?

I have a postgis database that contains Points created based on a couple (longitude, latitude), and I need to update only one of those two for a given point. I found that it's possible to do so but ...
3
votes
1answer
438 views

How to upgrade QGIS Capiapo to Lisboa?

I want to upgrade my QGIS version to the newest one, Lisboa, but I'm not sure if I should uninstall Capiapo first. Is there a way to upgrade without uninstalling? Thank you.
3
votes
1answer
78 views

Updating attribute information

I need to write a script that updates the "LOCALITY" field in a feature class if it is empty with the suburb it is in. I have identified the number of properties with select by location and the ...
3
votes
1answer
33 views

How to keep live update coming from a WMS

I'm using a WMS that contain weather radars that is update every 10 min. I would like to know how to keep the map updating every 10min. I tried: from PyQt4.QtCore import * timer = QTimer() timer....
3
votes
1answer
1k views

Postgres/Postgis doesn't work after update

I work on OpenSUSE 12.1 and after today's upgrade (2012 NOV 14) Postgres and Postgis doesn't work. If I login to Postgres server by PgAdmin, get the message: translated from polish "ERROR: can't acces ...
3
votes
1answer
28 views

QGIS: Error message in query builder

I am using QGIS version 2.14.1 (Essen) and trying to update data in my table using field calculator. I am inputing the following statement: update "table_1" set "table_1" ='y' where "table_2" ='...
3
votes
1answer
50 views

Update ID Field Using Common Types

Not exactly sure how to word this, but hopefully I do it in a way that accurately conveys what it is that I'm trying to do... I'm using Manifold GIS for this particular project, but I'm open to any ...
3
votes
1answer
967 views

Automatically update feature class based on another feature class in same geodatabase

I work at headquarters and there are 3 regions. Each region is responsible for their data and headquarters is responsible for merging the data and creating a national coverage. All regions and ...
3
votes
2answers
2k views

CartoDB - update existing table from external data (i.e. Mysql database)

I would like my CartoDB data to be updated, using external data (mysql database, I run and manage locally using php scripts), so that the CartDB table gets updated with the most recent data, whenever ...
3
votes
1answer
2k views

Missing libraries when upgrading to PostGIS 2.1 and PostgreSQL 9.3.1 using homebrew

In the process of upgrading my PostgreSQL from version 9.2.4 to 9.3.1 (via homebrew on OS X) I came across an odd problem. These are the steps I took so far PostgreSQL, PostGIS and required ...
3
votes
1answer
382 views

Why would Update (Analysis) tool from ArcGIS Desktop 10.0 create duplicate features in file geodatabase?

I am attempting to use the Update (Analysis) tool to update a right of way (ROW) polygon feature class with a roads polygon feature class. The ROW feature class completely contains the roads feature ...
3
votes
1answer
60 views

QGIS version update makes project slow

I have updated from version 2.6 to 2.12. I have opened and saved my project in the newer version. Now it runs really slowly. For example every time I zoom in or out or pan the map I have to wait 20-30 ...
3
votes
1answer
104 views

Steps to update OpenStreetMap back and forth?

I have both a PostGIS database with OSM data imported, and the same data in a SHP folder. By adding missing information to the downloaded OSM data, both in SHP and PostGIS, I'd be able to contribute ...
2
votes
2answers
3k views

Making mass/bulk update by attribute value in ArcGIS Desktop?

I have feature class with 70,000+ records (file geodatabase). I want to make in bulk update on an attribute where the value is NULL. Select by attribute shows that I have 5,000 records like that. ...
2
votes
1answer
29 views

Adding values from list into Attribute with UpdateCursor?

I have a list of values of buildings total height and want to update the corresponding field in the shapefile. fclass is my shapefile totalh is the field which i want to update totaheight is a list ...
2
votes
2answers
81 views

Update Cursor for automation of tedious data entry which keeps crashing ArcMap

I coded the Update Cursor for automation of tedious data entry where I am applying a previous Survey Company Identification Data to STRUCTURES_15096.shp from "OFFICIAL_STRUCTURES2015.shp" and it keeps ...
2
votes
2answers
428 views

update Image and Tile/XYZ layers while panning in OpenLayers 3

I want my map to load/update dynamically as the user pans with mouse/finger drag. Currently, as I drag and expose new areas of the map, those areas generally stay blank/undrawn until I release the ...
2
votes
2answers
56 views

Updating the Z value within an XYZ.txt file

Following a post from a few weeks ago: Creating polygon from 2 txt files (Parent ID + Coordinates) and thanks to the help and code, the script works very well. Now I need to reverse the process in ...
2
votes
2answers
162 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
1answer
651 views

Symbol Selector has Save As button grayed out?

I upgraded to 10.3 from 10.2. I tried to SAVE a symbol but the SAVE AS button is grayed out, rendering saving as not possible. I've tried rebooting, re-opening the mxd... What solutions are ...
2
votes
1answer
618 views

Possible to set an attribute field to update automatically based on another field?

If I have 2 attribute columns and I wish to change certain values, is it possible for the second attribute column to automatically update its values based on an expression? Example: Age | Status 10 ...
2
votes
1answer
449 views

plpgsql | before update trigger: insert the new pseudo-record in another record and leave the old one as it was

I've got the following table: CREATE TABLE alumbrado_puntos_luz ( id numeric(8,0), "GEOMETRY" geometry, revision_actual numeric(10,0), revision_expirada numeric(10,0), CONSTRAINT ...
2
votes
1answer
651 views

How to upgrade PostGIS in OSGEO-Live Xubuntu virtual machine?

I have downlaoded the OSGEO-Live 6.0 virtual machine running Linux Xubuntu. I have it running through VirtualBox on a Windows machine. It currently comes preinstalled with a lot of GIS software, ...
2
votes
1answer
74 views

OSM update without loosing own additional data

I have added data (e.g. name keys) to my OSM PostgreSql database. How can I update my database without deleting or overwriting this data? In other words, how can I merge newer OSM data to my existing ...
2
votes
1answer
33 views

Update layer groups symbology from a .lyr

I'm searching for a way to update layer symbology. I have around 50 mxd which have all the same TOC made of 2 dataframes (one .lyr for each) containing numerous layers / layer groups. The data is ...
2
votes
1answer
68 views

ArcPy Python Script To Update Shapefile Records From CSVs

I am fairly new to python scripting. Most of the basics I have down however still learning. I am trying to create a python script to update a shapefile with information from two separate CSV files. ...
2
votes
1answer
81 views

Mystery duplicate values

I'm using a unique list to populate up to 10 fields for a fc with correct geometry, in an "overloading" manner as you would in excel. I noticed on my first run through I had an "index out of range" ...
2
votes
1answer
185 views

Is it possible to automatically update a Buffer FeatureClass when creating new features?

Is there a way I can update the results of my Buffer analysis? I have a roads FeatureClass, and I've built a buffer for it. I will still make edits to the road FeatureClass. Let's say I add a new ...
2
votes
1answer
1k views

Update query does not affect any rows, privileges are set to public and allow all actions

I've been trying to update a column of integers called level_dept in a table called adminboundaries within the sql query tool on pgadmin3 and the query runs and finishes with a lot of lag, but 0 rows ...
2
votes
1answer
92 views

Update table using contains function

I have a table that containing placename regions and another table of roads. I have another table that containing centroid of both placename region and roads.The table structure of third table is ...