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

learn more… | top users | synonyms

1
vote
1answer
36 views

ArcGIS geometry update from table XY

I am trying to update the geometry of a point FC stored in a FileGeodatabase using ArcPy. I got this Python script to compare the values of the SHAPE@X and SHAPE@Y and change the Geometry if not ...
0
votes
2answers
118 views

How to update postgis layer from shapefile in QGIS?

My usual workflow with updating layer from shapefile was to: Open DB Manager; Load SHP files into QGIS; Open DB Manager; Import file (with drop option). Now my problem is that I have created ...
0
votes
1answer
19 views

Feature attributes won't update

I am trying to update feature attributes from a .NET application that I'm working on. I've cleaned the code down to the following example: string serviceUrl = ...
0
votes
2answers
46 views

ArcMap Add-In Not Updating To Latest Version

I'm having an issue that I haven't experienced before with ArcMap Add-Ins and I'm hoping someone out there has experienced this and knows of a solution. We have an add-in build in VB.NET that is used ...
1
vote
1answer
56 views

Tool to delete all data from a shapefile

I am looking for a tool that deletes the data in the shapefile, and then copy and pastes all the features from a layer into the blank layer. We get updates to our layer from a separate organization, ...
1
vote
1answer
39 views

How do you calculate a new field for a raster table based on value from a joined table?

I need to know whether it is possible to calculate a new field for a raster table based on a value from a joined table. Ideally I'd like to be able to accomplish this task without having to add table ...
2
votes
0answers
63 views

Via PyQgis how to refresh a modified CSV layer without having to reopen the file? [duplicate]

UPDATED: With an CSV layer Qgis workspace [loaded as a delimited text layer], an external algorithm is ran; outputting (writing) new values to certain rows in the layers source CSV file. The writing ...
1
vote
1answer
60 views

How to create postgresql triggers to calculate geometry from x,y and vice versa at the same time

I have a postgis table with point geometry which looks like this CREATE TABLE mypoints ( gid serial NOT NULL, coordid integer, geom geometry(Point,4326) ); And a table with coordinates ...
2
votes
2answers
427 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 ...
1
vote
0answers
15 views

Long delay when updating rows of a feature layer or modifying elements of a graphic layer using arcObjects in java

We are developing a simple AddIn for arcMap for the first time using arcObjects in java. The application consists basically on the following steps: 1. Obtain a Network layer which was loaded in ...
1
vote
1answer
91 views

ArcMap Geoprocessing Operation to create a layer with incorporated places and, separately, surrounding unincorporated portion of a county?

I am working with TIGER FILES, attempting to use the update (analysis) operation in ArcMap 10.1. The files I'm using are counties, and the incorporated (non-CDP) segment of the places file. I'm ...
3
votes
1answer
91 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
2answers
2k 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 ...
1
vote
1answer
116 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 ...
2
votes
1answer
148 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 ...
1
vote
2answers
143 views

How to overwrite metadata in a tif file with GDAL?

I have a set of tif files generated from a process with multiple steps. Some metadata tags are added at different steps. I would like to update the metadata of those file before distributing the ...
1
vote
1answer
38 views

Updating table with nearest node from another table

I have a roads table that has been transformed into nodes for use with pgrouting. I also have a table of geocoded addresses which contains lat, lon and geom. I am trying to write a query that ...
2
votes
0answers
63 views

Update Existing Feature Class by Replacing Features with Updated Versions from a Shapefile

I have a feature class in a versioned ArcSDE geodatabase with archiving enabled. I receive regular updates for this data in shapefile format. I want to be able to replace any features that have ...
0
votes
3answers
145 views

UpdateCursor 'is not defined' Python

I have several files (shapefiles). Table 1 has only one row with several fields whereas Table 2 has several rows. What I want is to take a value from Table 1 and populate all rows in Table 2. I used a ...
1
vote
1answer
52 views

SearchCursor returns strange value

my searchCursor look like this. arcpy.env.workspace = "C:\\Users\\Documents\\Scoring\\Ecodis_clip_split" #set workspace to folder with values eco = arcpy.SearchCursor ("NAME.shp", "", "", "area_ha", ...
1
vote
1answer
52 views

Updating records in a table using GetCount and an Update Cursor

What I have is a buffer which is then used to select a number of point features which intersect the polygon. I would like to take that number and add the value to a table. The row where the value will ...
0
votes
1answer
97 views

Updating Shape File Datastores on Geoserver

I am a web developer working with GIS guys who are concurrently working on a vector layer that updates every week or so, however, on our mapping application there are about 30 layers that would need ...
0
votes
1answer
83 views

postgis finding lines that touch and update

I am not much of a postgis guy so please bear with me. I have a subset of lines representing exits and roads around those exists. Main roads and exists can be distinguished by their class attribute ...
0
votes
1answer
89 views

Blank Shapefile output?

When executing the following command string in the active browser, Qgis projects the triangle polygon and associated attribute table correctly. Upon reopening the shapefile in a new browser, the ...
0
votes
1answer
44 views

Is there an easy way to refresh / update a raster tif file in GIS?

Apologies for the newbie / basic question, but it seems to be a fairly simple concept which I can't get to work properly, and I'd be really grateful for a pointer or two! I have a load of different ...
0
votes
2answers
54 views

WFS protocol - Update method

I have a question related to the Update method, in case the feature doesn't exists, the update method will generate a new feature? (i.e. will behave as Insert)? Or maybe, in contrast, an insertion ...
3
votes
2answers
680 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 ...
1
vote
1answer
126 views

How do you update the maxFeatures setting of a WFS layer in OpenLayers

I have a WFS layer which a protocol in the definition. The protocol states that the maxFeatures returned should be 1 to avoid downloading a large amount of data. I can update the value for ...
1
vote
1answer
70 views

Create and immediately update field using Field Calculator

You can create fields and once created, populate them with data using the Field Calculator. But can you do both at the same time using an expression? Or must you do it in 2 steps?
2
votes
1answer
270 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 ...
0
votes
0answers
79 views

Update a NetCDF file using GDAL

I have to edit a NetCDF file using GDAL in C++ code. When I try to update a subset I have this error message: ERROR 6: The NETCDF driver does not support update access to existing datasets. How can ...
3
votes
1answer
317 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 ...
2
votes
1answer
74 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" ...
3
votes
1answer
1k 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 ...
0
votes
1answer
30 views

Maintain Feature Data without Creating It

I work in City Gov. We utilize County Assessor data (Parcels) as they are updated from the Assessors office. Currently we store then in our Enterprise SDE system. As we get new updates, we have to ...
0
votes
1answer
64 views

missing values w/ updatecursor and addfield - gp

I added a feature to my 'overloading' field update script which adds a new properly named field if there is no space left to append the value into the record. This appears to run well, however upon ...
1
vote
0answers
20 views

Q: cursor memory and fields therein

Theoretical Python question. Say you have an update cursor while-loop for a few selected records. While looping through the rows, at some point a nested if statement triggers an "addfield" event. The ...
0
votes
0answers
73 views

arcgisscripting - setValue error

I'm having difficulty isolating this problem - at the point I attempt to alter a record with update cursor, the script returns a 999999 error. I've tried running this script without ArcMap running in ...
2
votes
0answers
150 views

Can I use a cursor to select two rows and compare attributes

Can I use the cursor search function to look at the first two rows in a table and select them so I can compare attributes and possibly merge them or change attributes? I am using ArcGIS 10.0
4
votes
1answer
223 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 ...
0
votes
1answer
61 views

pgrouting 2: missing pgr_findnearestnodedwithin function

With the PgRouting 1.5 I was using the find_nearest_node_within_distance function and it works, but now I'm moving the project to PgRouting 2 + Postgis 2 + PostgreSQL 9.1, and now that function, I ...
1
vote
0answers
52 views

How to maintain polygon boundary location during overlay in ArcGIS

I am working with ArcGIS Desktop 10.1 (Advanced license). I am trying to overlay two polygon layers (buildings and landuse) via an Update overlay such that all building polygons are retained and the ...
3
votes
1answer
1k 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= ...
0
votes
1answer
258 views

ArcPy Mark ALL duplicated values

I'm sorry if this is too similar to other posts but I'm an arcpy newbie and I can't quite get what I need. I have accomplished this task in the field calculator (thanks to another post here, but I ...
0
votes
1answer
34 views

QGis not upgrading from 1.9.0. Ubuntu, Raring, using nghtly PPA

I'm currently running 1.9.0 on ubuntu raring, through the nightly ppas: deb http://qgis.org/debian-nightly raring main deb-src http://qgis.org/debian-nightly raring main But it doesn't update ...
2
votes
1answer
102 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 ...
4
votes
1answer
89 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 ...
3
votes
1answer
159 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 ...
2
votes
2answers
1k views

ArcMap 10.1 How to make mass (in bulk) update by attribute value

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. ...
1
vote
1answer
55 views

Auto column update in postgis

I have a fruit orchard dataset. One of the columns contain the year the orchard was planted. In another column I would like to have the orchard age. However this pose a problem, since the age changes ...