Geographic Information Systems

Questions tagged [update]

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

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16 views

Updating building data?

I need to update a building data (shapes) in ArcGIS Desktop. One Shape is with the buildings of a city from 2012 and the otherone with the buildings of the same city from the year 2019 (perhaps 300....
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2answers
63 views

Trouble updating field calculatd by st_ functions

I had first run this code on several of my fields of my T1 table at the same time. UPDATE table_1 SET field_1 = liste.my_bool FROM( SELECT T1.id AS name, bool_or((ST_Contains(T2.geom, T1.geom)...
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2answers
45 views

Transferring Data From One Table to Another Using Multiple Keys in ArcPy?

I have data in one field and I want to transfer it to a specific field in another table based on specific keys Such as ID, road_type and veg_type. My original table looks like this ID Road_Type ...
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22 views

Updating .aprx file after creating new layer using ArcPy?

I use arcpy function XYTableToPoint_management() to create a new layer vessel_coordinate into the current active map, as shown below. But when I list the layers in this map (map.listLayers()), I hope ...
2
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1answer
25 views

Updating field in geodatabase table depending on other field using ArcPy?

I have a table in a file geodatabase that has "FieldA" and "FieldB". I want to update FieldB with one of two values, depending on if there are one or more records with the same value of FieldA. ...
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0answers
34 views

Adding updates to current QGIS version from later ones?

I am currently using version 3.4 of QGIS, and I was wondering if it is possible to implement all of the awesome changes from version 3.5, 3.6, etc. into version 3.4 or do I need to keep installing the ...
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1answer
55 views

Replacement for legendInterface in QGIS 3?

I am a novice to QGIS tasked with updating other developers' plugins from QGIS 2 to QGIS 3. Here's the code I need to replace: legend = self.iface.legendInterface() index = legend.addGroup('...
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1answer
24 views

UpdateCursor giving ValueError: need more than 1 value to unpack?

I am writing a script assigning the ADMINAREA value to the empty LOCALITY fields from TWB_Suburbs to TWB_Property layer. I am getting: ValueError: need more than 1 value to unpack Is anyone able ...
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0answers
56 views

Updating identify tool every time feature is selected with PyQGIS3

I want to use the "Identify Feature Tool" in code (PyQGIS3). What I've found in the internet doesn't use the tool, people usually print in console point features and ids. I also found a tool that ...
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1answer
34 views

Trying to add a value in the second row of a table

I am trying to add a specific value to a cell of the second row of a feature-class-table. Doesn't work with my code: #First row rows = arcpy.InsertCursor(tb_value) row = rows.newRow() ...
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82 views

Alter and update a shapefile with a field from an ASCII file using ogr

I have a vector file "map.shp" with a field ID. I have an attribute table (data.txt) with the following fields: ID, value1, value2. The field ID is the same in both files. I want to update map.shp by ...
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1answer
205 views

Adding a column and update values using SQL in QGIS

I have a vector file "data.shp" containing the following fields: ID, value1, AREA I want to add a new column "value2" and set it as value1/AREA. Since I want to do that for many columns and files I ...
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1answer
75 views

Update attributes with arcpy.updateCursor and updateRow

I need to update attributes with arcpy.updateCursor and updateRow based on a list of service numbers, but I can't even get one row to update. This is my beginner code. df= r"GAS FEATURES\SERVICE ...
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113 views

How to update column based on data from another table (Mapinfo Pro)?

What I want to do is update column (Table A) by values from another table (Table B) using condition intersects. There are few objects in table B which intersects one object from table A. When I try to ...
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51 views

WMS / WFS time interval of reloading / updating / refreshing (QGIS)

Is it possible in QGIS to adjust a time interval (f.e. 3 seconds) for reloading / updating / refreshing a WMS/WFS request? Or just updating the canvas with all it's layers in a given time interval?
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1answer
384 views

QProgressDialog in QGIS 3.0 not updating

I am using a QProgressDialog to show the progress of a routine that is running. I found this very helpful question/answer how-to-show-a-moving-progress-bar-in-qgis, but I can not reproduce successful ...
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1answer
283 views

Using Update Cursor gives IndexError: list assignment index out of range?

I am trying to use an update cursor and receiving an error. I'm not very familiar with using cursors, so please bear with me. I am trying to write a 1 or 0 to a field, based on a condition. The error ...
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1answer
329 views

Using UpdateCursor based on current selection of features

What I want to do is to manually select two features with the mouse (e.g. point or polygon), each in separate geodatabases to then copy the attributes values from one to the other (for only these two ...
3
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1answer
126 views

Republishing AGS Service Doesn't Update Web Map in AGOL

I created a web map in my AGOL content folder after publishing from ArcMap as a Portal feature service. I created a web map in AGOL by bringing in the service URL. I have three group layers with ...
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1answer
71 views

Update DB Geometry using GDAL

We are working with a geometry DB (Oracle) and use GDAL to download some data and apply changes to it. Supposing that we were applying the following workflow: DB -> GeoJSON -> modified_GeoJSON Is ...
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0answers
75 views

Keeping my changes up to date with OSM

One year ago, we exported data from OpenStreetMap. We added attributes and cut some segments with JOSM. Now, we want to update those files (.osm) to the current state of OpenStreetMap. How can we ...
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0answers
61 views

Update to Bonn 3.2 QGIS seems to have had a effect on some of my code

I asked a question here:Adding to attributes based on shared line in QGIS? but it seems that in Bonn 3.2 QGIS this does not work. Any ideas what has changed for it not to work, other snippets of code ...
2
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1answer
271 views

Ubuntu: Updating Mapnik from 2.2.0 to 3.x, complications?

I'm wanting to upgrade Mapnik on a production system from 2.2.0 to 3.x to take advantage of improvements to data-driven rendering. Fortunately the install instructions for Ubuntu have been updated ...
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1answer
106 views

Will I lose project functionality on upgrading QGIS?

This might be a stupid question but if I update to QGIS 3.2.1 will I have problems working on projects created in my current 2.18.20?
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1answer
26 views

How to update a field in a CSV file/table based on where it is on the map

I have a shapefile which I downloaded that displays different region types. I also have a CSV file of geocoded addresses. I have loaded both into QGIS and can see the addresses scattered about on the ...
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1answer
166 views

Nominatim North America update

I want to keep updated my fresh install of Nominatim 3.1.0. I have installed North America maps from this (http://download.geofabrik.de/north-america-latest.osm.pbf) file. According to the article (...
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0answers
43 views

Why is my QGIS installation not updating to a more recent version? [duplicate]

I've QGIS 2.18 installed in Ubuntu 16.04 for a long time. I added the repository https://qgis.org/debian. Why is it not updating to version 3.0 or 3.2? I thought the respository for the LTR version ...
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0answers
294 views

Is there any way to automatically update a shp layer in QGIS?

I work with a vectorial layer (shp) created from a a csv file which periodically changes its content. The issue I'm raising is the following: every time I perform changes in the CSV file, I have to ...
1
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1answer
86 views

Using Update Cursor to Calculate Field from List of other Values

I'm working on a script that will use a predefined list of strings to calculate the value of a new field. The idea is this: if the value of field 'EF_Type' is equal to the value of a string in the ...
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0answers
39 views

Unable to update R scripts in Processing

I'm unable to update my R script on Processing. Nothing happens after hit OK button. Those scripts under "Updatable" never get updated. Am I missing something? (QGIS 2.18.21, Linux Mint 18.3 ...
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0answers
182 views

ArcGIS server Geoprocessing job failed immediately after submit

I have a few geoprocessing services published onto a production ArcGIS server but after a series of Windows 2012R2 and ArcGIS server updates, the services stopped function. When I submit a job, ...
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2answers
60 views

Iteratively Updating Just Bottom Row in Table using ArcPy?

I see lots of examples of updating a specific column down ALL rows of a table, for example: with arcpy.da.UpdateCursor(Input_Layer, ['Column_1','Column_2']) as cursor: for row in cursor: ...
1
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1answer
38 views

Unable to Update Map Element

I'm trying to update my text elements, but after running script no changes occur and no error are triggered. Running suggested code triggered an error. I need to update my title and date text box. I ...
1
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1answer
180 views

Error while updating feature information to geoserver using wfst OL3

I am trying to update feature information of wfs feature to geoserver using WFST in ol3. I am getting the below error in the response <ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/...
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1answer
197 views

Updating web services on ArcGIS Online using ArcPy?

I am attempting to tailor the code found on ESRI's website (https://www.esri.com/arcgis-blog/products/api-python/analytics/updating-your-hosted-feature-services-with-arcgis-pro-and-the-arcgis-api-for-...
1
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1answer
112 views

FME Workspace Update rows WHERE

This is about the lower part of TesterNoType In table 1 I have ex Filename, Type, Date Parks, 1, 2018-01-22 Parks, 4, 2018-01-22 Table 2 aka new information table I have information ...
3
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0answers
93 views

How to transfer QGIS configurations to latest version?

I have QGIS 2.18.11 on my machine. There are saved wms, wfs and DB connections. After installing QGIS 3.0 I can see saved wms connections but no DB connection is listed in 3.0. Collegue's problem is ...
2
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2answers
1k views

update python for QGIS

My QGIS installation has python 2.7 by default. I am not able to update this python 2.7 to an upper version of python ( e.g. python 2.7.11). I searched the web, however, I do not want to make changes ...
0
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1answer
111 views

Merge and overwrite features between 2 shapefiles

I have 2 polygon shapefiles with similar features. One shapefile is "the master" (masterFile) and the other is a subset of features from the masterFile with some of those features slightly changed and/...
0
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2answers
39 views

Postgis Update using calculation from various fields

Trying to update one table with a calculation using data from another table. I construct a subquery that relates acreagetot and acreage_wetland fields and use it to perform a calculation on UPDATE ...
3
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0answers
195 views

PyQGIS update/refresh composer legend [duplicate]

I am trying to modify the data source of a raster layer in python, then update my composer and finally save it. To modify my data source I found what is needed here: https://geogear.wordpress.com/...
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0answers
20 views

Assigning one UNITID to multiple areas

I have a city wide water distribution network that will undergo a flushing process over the next couple of years. I need to keep track of what segments of pipe have been flushed. The work is divided ...
1
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1answer
385 views

Raster Buffer error with package updates

I have just update my r packages and downloaded the newest version of R, and now the buffer function in the raster package no longer works as before. An example of my issue: Running this example code:...
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0answers
67 views

My address is not shown in the maps how to update the maps with my new address [closed]

I have moved to my new house and not able to find it on Google maps, how to add my address to the maps.
2
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1answer
132 views

Updating a QGIS Python script for multiple machines [closed]

I've created a Python script to do some automatic processing within QGIS. The script was stored on the company server and anyone who wanted to use it went to 'add script from file,' did the processing ...
3
votes
2answers
307 views

Update a feature class from a feature class in another geodatabase

I have a feature class that I update occasionally. Most of the time it is just adding new features, but sometimes I do update attributes on existing features. However, I need to update a 'copy' of ...
9
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1answer
3k views

Clip vector on Geoprocesing QGIS 2.18.13, global name 'features' is not defined

I want to clip a vector polygon with a boundary vector polygon but the process is failing. I am getting the error, "global name 'features' is not defined See log for more details". I don't know what ...
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1answer
78 views

QGIS version update files lost [closed]

Today I downloaded the QGIS update (2.18.13). When I ran the .exe it asked me to uninstall the previous version, and I accepted. What I didn't realize is that many layers that I had created had the ...
0
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1answer
45 views

Update python add in tool?

I made a tool in ArcGIS Python Add-Ins for my colleagues and right now wrote an update in main script. It would be easy to tell everyone to delete old add-in and install new one, but recently found ...
2
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2answers
127 views

Is there an Postgis equivalent of ArcGis Update tool?

I have two large sets of polygons that overlap. I am looking to combine them with removing the overlapping areas. One dataset carries higher importance and needs to be on top of the other. Normally I ...

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