Questions tagged [loading]
In this context, loading is for questions related to issues with data in a service not showing in a timely fashion in some GIS client. It is not intended for questions on how to add data to a database, or for questions related to balancing load on a set of servers.
59
questions
1
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1
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72
views
Determine loading state of base map layers in Leaflet?
What is the JavaScript command to know the loading state of the current layer? I'd like to know is the layer is loading, with 'true' or 'false', when the page loads or when I move the map.
This ...
- 488
1
vote
0
answers
82
views
QGIS Debugging/development tools
I am using the Debugging/Development Tools (panel) in QGIS (3.22.7) to figure out what is causing long load times, when opening a project. Most time is spent on the task Reading external settings (~64 ...
- 11
0
votes
1
answer
75
views
How to remove loading when layer does not load by returning 0 feature
I have a layer in Openlayers, and I showed a load while the layer doesn't load.
//show loading
my_layer.on("precompose", function () {
document.getElementById("my_loader")....
- 119
4
votes
0
answers
192
views
Reducing loading time of QGIS project
I have saved a couple of QGIS projects in a PostGIS DB, which is hosted in the cloud. The projects consist of different layers. When I open the QGIS projects, the loading time is very long. That is a ...
- 2,247
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1
answer
47
views
Is progressive decoding of raster geodata possible?
When e.g. WMTS or COGs are visualized, only the image data in the viewport (certain zoom and extent) is loaded. This makes the rendering time quite fast. But e.g. with low internet connection unloaded ...
- 135
0
votes
0
answers
58
views
ArcPy comparing two databases and deleting and appending data from one to another
I currently am working on trying to ingest data from a client into our database. The schemas are almost the same so I want to compare feature class to feature class and want to delete and append the ...
3
votes
1
answer
55
views
Delimit the loading "zone" in a shapefile
I have to make several atlases of a large region in France. My study area is relatively small compared to the entire region. However, most of my layers are related to the entire region.
As I intend to ...
- 71
3
votes
2
answers
589
views
Compressing large vector data in QGIS
I work on QGIS 3.10.3 and would like to know if it is possible to compress a large vector data (size: 66298KB). The GIS software is still loading every time I touch the mouse.
Is it possible to ...
- 191
1
vote
2
answers
318
views
Detecting start and end of WFS layer loading in OpenLayers?
I have a WFS layer that takes a while to load.
I would like to show a 'load', while it loads, so it doesn't get the impression that nothing is happening.
Any idea?
var my_layer = new ol.layer....
- 21
0
votes
0
answers
165
views
Can't load a previous project with QGIS 3.18.2 with versions 3.24.3. 3.20.0 3.22.0. No layers and just a white screen
With QGIS 3.18.2 I have created a map point cloud data with contours. I saved, Lakach_East_West_IntRas_Clip-3-24-32, and closed the project. A few months later, now using 3.24.3 I wanted to continue ...
0
votes
0
answers
422
views
Unsupported geometry type 'Unkown type' in Layer - Unable to load project in QGIS
This is a seemingly simple issue but I can't seem to fix it. When I load my project in QGIS, I get an error message that says: "Unsupported geometry type 'Unknown type' in Layer ''. When I click &...
- 79
1
vote
0
answers
294
views
Why does the R expression "library(sf)" fails when run from another process?
I'm using sf and raster packages to manipulate maps. It works perfectly when I run it with Rscript command, and when I run it inside a .sh shell wrapper, too. But when I try to run the script from an ...
- 11
0
votes
0
answers
228
views
Executing algorithm fix geometries stuck at 92%
I want to fix the geometry of some shapefiles but the loading is stuck at 92 percent for over half an hour right now. The shapefile is quite small and had 2 invalid polygons and 11 valid polygons when ...
- 39
3
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0
answers
65
views
Why is loading qgs/qgz 2 x slower than loading qlr?
I have a Layer Definition file(.qlr) that takes 50sec to load. When I save it as a project(qgs/qgz) it takes over 2min to load the same data. Why does loading of qgs/qgz take longer than loading qlr?
...
- 31
3
votes
1
answer
4k
views
.on("load") event for layer groups in Leaflet
I have used Leaflet's ImageOverlay to load various image layers onto a Leaflet map div (L.map). The size of the layer files can vary greatly. So some layers load very quickly while others can take a ...
- 93
2
votes
0
answers
110
views
QGIS Virtual Layers from DB query load as 'missing' when opening project file
I'm using QGIS 3.16 and I have a layer from a database query that loads as a table, 'Data_vFoodLocations'. I then created a bunch of Virtual Layers with queries like the one below:
select FieldX, ...
- 91
2
votes
0
answers
207
views
Slim down large project with many layers to prevent crash in QGIS
I am afraid my project might stop opening at some point because of too many layers and some costly rendering options.
Is there a way to still keep the layers in the layer tree without loading (or even ...
- 495
0
votes
1
answer
200
views
One widget hijacking another during on change event in Web AppBuilder app
I have 2 widgets: a Manage Folders widget and a Task Manager widget. They sit next to each other in the navbar of my Web AppBuilder version 1.2 app. There are several other widgets as well. If I ...
- 1,883
1
vote
1
answer
599
views
Error Loading .xml file to WFS in QGIS
In this link xml-link, there is a .xml file from a website (WFS) which contains vector data regarding water bodies for a specific area. I saved it as .xml by just right-clicking -> "Save as" and I ...
- 640
2
votes
1
answer
284
views
QGIS: loaded .shp file not displayed
I am using QGIS 3.10.2-A Coruña and PyQGIS via the internal Python Console (Plugins -> Python Console). Currently I am trying to import a shape file using the following command:
vlayer = ...
- 43
0
votes
0
answers
2k
views
Leaflet Map is not loaded correctly
In my application I need coordinates. I would like to make it possible for a user to choose the coordinates using a map and a marker or to calculate them via an address. That works fine too.
But ...
- 595
2
votes
2
answers
758
views
QGIS Unable To Load Processing, Vector Tools and Plugins
I am currently facing an issue with QGIS 3.8.3. In which I am unable to use Vector Tools and other plugins.
Below are some of the trackbacks for the Python error. I am unable to show all due to the ...
- 21
0
votes
1
answer
1k
views
Layers Loading then Disappearing
I have layers that have been loading fine in my ArcMap project but now they load in for a second, and then when annotation begins to load in, everything but the annotative text goes white. So the ...
- 31
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votes
1
answer
573
views
password authentication failed for user "ASUS"
I'm creating table in PostgreSQL using these commands:
shp2pgsql -s 32632 watershed.shp watershed > watershed.sql
psql -f watershed.sql cambridge
psql -f watershed.sql cambridge
But I had ...
2
votes
1
answer
1k
views
Loading water layer from webpage maps-for-free.com into QGIS?
I have loaded the relief map from https://maps-for-free.com/ using plugin QuickMapServices. The process is as follows: in my data_sources folder (C:\Users\PC1.qgis2\python\plugins\quick_map_services\...
- 23
9
votes
2
answers
865
views
Measuring loading time of layer in QGIS using PyQGIS
Is it possible to measure when QGIS starts and stops loading/rendering a layer?
I used something similar in OpenLayers before (loadstart and loadend event, http://dev.openlayers.org/examples/...
- 8,714
3
votes
0
answers
196
views
Copy features with their related tables [closed]
I have two file geodatabases with identical schema that have a feature class and four related tables. I need to copy features from one to the other with the information from all of the related tables. ...
- 53
2
votes
0
answers
172
views
Loading of layer fails when using SPYDER
I configured SPYDER to work with QGIS by setting start file
and setting additionally some system paths
@echo off
SET OSGEO4W_ROOT=C:\PROGRA~1\QGIS2~1.18
SET QGISNAME=qgis
SET GRASSNAME=grass\grass-7....
2
votes
1
answer
536
views
Project loaded but Composer loading makes "Not Responding"
I am using QGIS 2.18.6 and have big project (200+layers) which doesn't have problem with loading, but there is Composer attached to it and it is loaded only to 50% and then it says "Not Responding". I ...
- 53
4
votes
1
answer
2k
views
Load Named Style within a group on QGIS
I am trying to apply the style from .qml to a group of layers in QGIS. I have tried to incorporate LoadNamedStyle within jkall's code here:
https://github.com/jkall/qgis-processing-scripts/blob/master/...
- 755
0
votes
0
answers
510
views
Can GDAL be used to load raster data into Postgres/Postgis geodatabase?
I would like to know if GDAL can be used to load raster data to a postgres/postgis geodatabase
I had read that there was problems with the GDAL postgis raster driver?
I was wondering what particular ...
- 139
2
votes
0
answers
586
views
How to disable loading fonts from fast.fonts.net? [closed]
I have installed ArcGIS JS API (3.19) locally. But fonts were loaded via Internet.
If I have no Internet connection loading of my app is very slow.
What can I do?
Is it possible to disable loading ...
- 21
1
vote
0
answers
86
views
QGIS couldn't load processing plugin - Windows 7 [duplicate]
I'm having a problem loading QGIS. Usually it runs fine on my computer.
An error pops up Can't load processing plugin.... On QGIS 2.16 I was able to get the full error message. I've fresh installed ...
- 11
1
vote
1
answer
314
views
How to load(preload) Geojson with JS before start another script?
I need to load my Geojson file before start my script .
I need to load file before start this script :
var geojsonPrecitany = false;
var geojson = $.getJSON("./tematicke_vrstvy/tematicka_vrstva....
1
vote
1
answer
816
views
Kaspersky Problem when opening ArcMap
It seems as if Desktop 10.4 is not compatible with Kaspersky Endpoint Security 10: Whenever I want to open a saved mxd (or the application itself) the loading time is increased from the normal 10 to ...
- 29
1
vote
1
answer
2k
views
SVG icons not loading in mapbox
I uploaded a zipped shapefile to Mapbox with about 500 location data points and tried to display each of those data points with one of 60 different SVG icons. Those SVG icons have been loading ...
- 11
1
vote
0
answers
205
views
Cannot load openlayers wfs layer into Internet explorer
I am having problems loading wfs layers into IE using openlayers. My code is below. It works fine using Chrome or Firefox but fails in IE. I had a similar problem with WMS but managed to track down ...
- 11
1
vote
1
answer
1k
views
How to load POI based on map movements?
I'm currently creating a new website based on geo-localised informations, which is quite new to me.
I need to display my points of interest according to where the map is, and where the user make it ...
- 51
1
vote
1
answer
574
views
Figure out if every tile is loaded
Is there a way to figure out if every tile of an ol.source.TileWMS is loaded?
My attempt so far is the following:
var tileColl = new ol.Collection()
tileColl.on('change:length, function(e){
if(...
- 239
1
vote
1
answer
4k
views
Monitoring layer loading progress in OpenLayers
I'm doing an upgrade from OpenLayers 2 to OpenLayers 3. In OL2, I was monitoring the loading progress of layers with their loadstart and loadend events. With grid layers I was even able to show a ...
- 303
21
votes
5
answers
28k
views
Using layer loadstart & loadend events in OpenLayers 3?
OpenLayers 2 has these layer events "loadstart & loadend."
What is equivalent to them in OpenLayers 3?
While a vector layer loads and is rendered, I need to show a loading icon.
- 593
1
vote
2
answers
2k
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 ...
- 521
4
votes
2
answers
2k
views
How would I get number of tiles loaded, and total number loading?
So new to OpenLayers 3, and I'm trying to create a "loading bar" to indicate how much of a layer has loaded. I'm thinking of making it based on the number of tiles loaded so far divided by the total ...
- 41
1
vote
0
answers
101
views
Can I tell QGIS to load/show only a part of an image?
can I tell QGIS to load/show only a part of an image without to extract this region as an extra/ new image?
2
votes
0
answers
84
views
How to maintain the data at XML document after changing schema with Diagramer?
After exporting XML with schema and data I did some changes to the schema with ArcGIS Diagramer. now i need to import the new schema and all the data to a new empty file GDB. what are the best ...
- 2,524
4
votes
3
answers
928
views
How to make web mapping project run (serve map) faster?
I'm implementing a project with openlayers 2.12, Geoserver 2.1.3 and PostgreSQL 9.1/PostGIS 2.0
I also use HTML5 Geolocation API and MapQuest's Geocoding API.
In the database I have data (osm_line, ...
- 1,129
5
votes
1
answer
4k
views
ggmap, ggimage… - Saving and loading maps in R
In my current R project I'm using the ggmap package to download and display maps. What bothers me is that you need internet access to load maps from google etc. I'd like to load a map from the ...
- 327
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votes
2
answers
536
views
Searching Open Source tool to load raster data into Oracle spatial
I'm looking for a tool to load raster data into oracle spatial.
I found several commercial products but no open source tool.
Is there anything available in the open source world?
- 737
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votes
1
answer
483
views
How long should it take to load a point layer with readOGR? [closed]
I am afraid I am quite new to spatial analysis at anything beyond a superficial level, and I have only recently transitioned to utilizing R. I have been quite pleased with the versatility of areal ...
- 499
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vote
1
answer
1k
views
Openlayers - how to display base layer before overlays and display overlays as they are being loaded?
This is my first question here. I already found a lot of good information here about openlayers so I guess it is the right place to ask. I am not a programer, I just usually adapt what I can find to ...
