Questions tagged [temporal-controller]
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43 questions
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temporal controller with live updates
Background
I have two layers in QGIS:
MAPA GERAL: a polygon layer representing features (attributes: fid, name, area)
Lançamentos: an Excel (.xlsx) table with operation records (attributes: fid, name, ...
2
votes
1
answer
54
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Show variable length of time at locations in QGIS Temporal
I have previously made temporal animations of Red Squirrels feeding locations successfully. These are based on trail cam records. We now have Pit tagged squirrels and RFID feeders so have a record ...
- 491
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0
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49
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animation_datetime() function returning "Expression is invalid" error
I'm trying to animate a layer, and to do that I want to use the function animation_datetime(). But when I use it, I get the error Expression is invalid and the reason it gives me is:
Eval Error: ...
3
votes
1
answer
124
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Exporting cumulative animation in QGIS
In Temporal Controller it is possible to access the yellow gear in the upper right corner and flag "Cumulative Range" to obtain a cumulative animation where all steps preceding the current ...
- 939
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66
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Could a temporal controller QgsDateTimeRange be a bug?
I am having an issue with getting date/time specified raster layers to animate. In trying to resolve this, I printed out the .dateTimeRangeForFrameNumber(fn) just to ensure the datetime start and end ...
2
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1
answer
111
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QGIS Dynamic aggerate only features visible in time slice
I am unable to figure out how to only sum the lengths of the features visible in the map between @map_start_time and @map_end_time? The aggregation works changing over time but seems to include all ...
- 57
0
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1
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111
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Making a layer appear and disappear multiple times in temporal controller
I am making an animation with temporal controller and have a simple point layer that should only be present on certain nonconsecutive days. Previously, I was manually replacing the frames after ...
- 51
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76
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Angle of wedge buffer not rendering on one point
I have been making pie charts with wedge buffers in QGIS for temporal controller. I just bumped into an issue with one point which completely ignores the azimuth angle for one color. The formula for ...
- 51
4
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1k
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How to set a transparent background in QGIS for Temporal Controller .png export
I am using the QGIS temporal controller and trying to output images with a transparent background. (I plan to insert a custom background image created outside of QGIS into the final video.) The things ...
- 1,633
3
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1
answer
273
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Use several colours in Decorations - Title Label in QGIS
I have been trying to dynamically display labels based in the Decoration Title Label in QGIS, as can be seen on this answer by the user Kasper.
What I am trying to achieve now is to change the colour ...
- 623
1
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2
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233
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Interpolating points with QGIS native Temporal Controller along a line
This question is a follow up on @Babel's answer to Interpolating points with QGIS native Temporal Controller.
Having successfully implemented the aforementioned method, as seen here:
I would like to ...
- 623
3
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1
answer
470
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Dynamically displaying feature labels in QGIS Decorations Title Bar
Related: Display label depending on timedate attribute used by Temporal Controller
Following the linked thread, I have managed to display labels according to what Temporal Controller prompts using the ...
- 623
0
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1
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640
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Display label depending on timedate attribute used by Temporal Controller
I have a layer with two attribute columns: stop_name and schedule. I am animating this layer using Temporal Controller, so a dot displays on the map whenever the schedule time is active, as seen on ...
- 623
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0
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80
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Digitizing on raster WMTS time series and storing time information in attribute table using QGIS
I have loaded a raster time series in QGIS as a WMTS layer. The Temporal Controller works fine and I can navigate through the different dates.
Now, I would like to digitize polygons on different time ...
- 1
2
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1
answer
355
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QGIS Temporal Controller reoccuring data
I am trying to create an animation showing the availability of health care clinics during a week. The opening hours could for example be Monday-Thursday 07:30-17:00, Friday 08:00-15:00. I don´t see ...
- 295