Questions tagged [refresh]

Use this tag when referring to refresh capabilities of a GIS application/process

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QGIS refresh tutorial [closed]

I am looking for ideas for a QGIS 'refresh tutorial' for students who have already taken QGIS and have skills but need a 2-3 hour refresher in everything? Happy to just get ideas/thoughts/help really. ...
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Refreshing linked word doc objects in MXD using ArcPy

I have multiple MXDs which have linked Word documents added using Insert Object. These Word documents change frequently and need to be updated in the maps. The only way I have found so far, from ...
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3 votes
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143 views

Refreshing Enterprise geodatabase layers using Python in ArcGIS Pro

Environment: ArcGIS Pro 2.8 with SQL Server Enterprise Geodatabase Background: I'm working with ArcPy, and I've written a script tool that performs a few attribute edits. It does the edits to a ...
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4 votes
1 answer
489 views

Removing and adding markers every 5 seconds freeze the browser after a several minutes

I am creating around 300 markers on Leaflet map and every 5 seconds I am getting new data from the server and I'm removing markers from the map and adding markers with new data. But the problem is ...
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2 answers
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Refreshing map canvas in for loop in QGIS 3

I have a console script where I'm trying to iterate through saved bookmarks from the open project to have the map pan/zoom to the bookmark extent. I would like to eventually save each map canvas as ...
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1 vote
0 answers
105 views

QGIS refresh layer at interval

I am trying to understand the behavior of Layer->Render-> Refresh layer at interval in QGIS I sat up a flask rest api which serves a geojson. I added the geojson to QGIS via Add Layer-> a. ...
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1 answer
728 views

OpenLayers 6 layer source parameter refresh problem

I'm trying to refresh a source with some parameter. There is a text input control on the html page, I look forward to updating the map based on user input after clicking the button, but it doesn't ...
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  • 19
2 votes
1 answer
336 views

QGIS 3.4, plugin builder, refresh layers

I created a very simple plugin with the plugin builder for GIS 3.4. Wihtout any GUI-Widget - by clicking the plugin button I just want to save the edits from several layers at one time and start the ...
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  • 165
4 votes
1 answer
249 views

Using PostgreSQL NOTIFY payload in QGIS

I am using the NOTIFY signal of PostgreSQL intensively to update a PostGIS-layer in the map (see https://oslandia.com/en/2017/10/07/refresh-your-maps-from-postgresql/). Additionally to the channel '...
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2 votes
1 answer
1k views

Set layer rendering 'refresh layer at interval (seconds)' using PyQGIS from python console?

I am trying to use the python console to achieve the following manual procedure of setting each layer to refresh automatically at a specified time interval. The manual process: Layer Properties > ...
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  • 129
3 votes
1 answer
238 views

Update QGIS Canvas while debugging

I am upgrading some QGIS 2 plugins to QGIS 3 and need to do some debugging. It appears that the canvas does not update until the code stops running, regardless of any calls to self.iface.mapCanvas()....
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  • 409
3 votes
0 answers
801 views

Refresh WFS Layer in QGIS 3.4

I'm working with a GeoServer WFS in QGIS 3.4. If I open two parallel projects with the WFS layer included and successfully change some date over WFS-T in one project, I can't get the new changes in ...
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  • 61
2 votes
1 answer
1k 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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3 votes
1 answer
144 views

Setting ArcMap Data Source Refresh Interval?

In ArcGIS Online there is an option to set a refresh data interval. Is there a way to accomplish the same within ArcMap? Specifically, my data source is inside an Enterprise GDB (Oracle). I can ...
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  • 2,071
3 votes
1 answer
1k views

Feature Layer will not refresh ArcGIS Javascript API

I am trying to integrate live point data (worker locations) from Workforce for ArcGIS into a Javascript web app that I am building. The layer loads fine and displays on the map properly, it even ...
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5 votes
1 answer
438 views

mapCanvas.saveAsImage() doesn't work properly within loop in standalone script (only .PGW)

I have a problem with the export of QGIS 3 interface screenshots. I run stand-alone scripts and one of them launches QGIS and runs script.py with the following code : mapCanvas = iface.mapCanvas() ...
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1 vote
2 answers
50 views

Refresh a speed data with geoserver

We have a problem using the Geoserver version 2.5.2. We are using Geoserver for a line bus fleet monitoring application. We have a data synchronization problem. I have attached the map that we use to ...
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2 votes
0 answers
540 views

Auto-Refresh Field that has been Calculated with Python in ArcGIS Pro

Is there a way to get a calculated field to auto-refresh? For example, I have an expiration date field with dates filled in. I have another field that I will use to show the number of days left till ...
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2 votes
0 answers
184 views

Way to refresh shapefile in Spotfire

I am a beginner in working with geospatial data. What I have done so far: 1) I created a map chart visualization in spotfire. 2) I created a shapefile using QGIS. 3) I added the shapefile in the ...
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  • 197
1 vote
1 answer
2k views

What is the maximum theoretical refresh rate for GPS [closed]

I understand that most devices have 1 Hz refresh rate for GPS positioning. I tried to read about the actual GPS implementation but I could not figure out how often the location can be determined. ...
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2 votes
0 answers
301 views

How to reset the reshape tool in QGIS after 'unknown exception'?

I am using QGIS 2.18.16 and most of the time I have successfully been using the reshape tool to change the shape of polygons. I have snapping and tracing enabled. Occasionally when I right-click to ...
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3 votes
0 answers
483 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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1 vote
0 answers
322 views

Automatic refreshing of Styles and legends in QGIS?

I am a new QGIS user. I come from an Arcgis background, but in my current work for a public administration I must use QGIS for interoperability. As an ArcMap user, I am used to certain "comforts", ...
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1 answer
104 views

Defining refresh interval of map in GeoServer?

Is it possible to define the map refresh interval on the server-side (GeoServer 2.11)? The issue is the following. I send GetMap requests to GeoServer from Kibana (client-side). Once the response is ...
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241 views

Refresh Map on HTML page when data change

I am new about Carto and I have a question. I would a HTML page with Carto Maps (using JavaScript) and I would refresh the page when the data on CartoDB change. So I ask if there is a sort of Push ...
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  • 101
2 votes
0 answers
240 views

ArcMap basemap layers take a long time to display [duplicate]

Over the years I've often used two of the available ArcMap basemap layers (Imagery and USA Topo Maps) as part of my work. I've noticed that ArcMap consistently takes 10-15 seconds for the screen to ...
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  • 7,088
12 votes
3 answers
24k views

Refreshing map after changing Feature's style in OpenLayers 3

I have an OpenLayers 3.2.0 map that features some vector sources (ol.source.Vector) and associated vector layers (ol.layer.Vector) When Features (ol.Feature) are added to the vector sources, they are ...
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  • 423
11 votes
4 answers
5k views

Refreshing open attribute table in ArcMap using ArcPy rather than ArcObjects?

I am running the Calculate Field GP tool from the arcpy in ArcMap. When a row value is updated, it does not show up untill I use the Reload Cache tool (Table Options > Reload Cache). How do I refresh ...
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1 vote
2 answers
11k views

OpenLayers not refreshing a layer

I have a problem with refreshing layers. I have WMS and WFS layers from one source. I edit WFS and after do wms_layer.redraw(true) but the layer redraws only after zoom in or zoom out. Same with ...
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7 votes
2 answers
2k views

Reloading cache on open Attribute Table using ArcPy?

I used python to update a shapeFile through cursors. The Shapefile is updated, but there could be an open Attribute Table. Manually you can hit "reload cache" to update the Attribute Table and see ...
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