Questions tagged [diagram]
A plan, sketch, drawing, or outline designed to demonstrate or explain how something works or to clarify the relationship between the parts of a whole.
60 questions
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QGIS how to construct a declination diagram
I want to construct a proper declination diagram for my map showing the angles between grid north, magnetic north, and true north and am unsure how to accomplish this.
Edit: I am interested in doing ...
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Multiline legend entry for diagram (pie charts) in QGIS
I have a map with pie charts and I am struggling to format the legend entry for these charts as needed. I know how to wrap "normal" legend entries (add a defined character on which to wrap ...
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Problem in creating diagrams for every single point in qGIS
I have a shapefile layer with locations of dead birds, their total number is about 180, the locations where they were found are about 70. The shapefile contains the Latin name of each of the birds, as ...
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1
answer
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Strange behaviour of pie diagrams in QGIS -- Pies "disappear" while zooming out
I'm trying to create a pie diagram. But when I zoom in and out the pies disappear! See Attachment for the data? My mistake? Bug? Anyone?
Video: https://politikvonunten.org/extern/...
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Removing space between Histograms in QGIS
I would like to remove the space between the bars in the histograms but I cannot find a way to do so.
See the image below for reference.
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Rule-based colour of diagram bars in map
I have 80 sites with percentage of landmanagement and individual numbers of beetles.
I would like to visualise the number of individuals with a diagram (histogram, bar length, see below left diagram) ...
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2
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1
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1k
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QGIS : How to make pie charts that depict quantity on certain coordinates/site?
Does anyone know how to create a map such as this one in QGIS? In short, if we have a table with list of sites with coordinates and and one column with numbers dedicated to μg /g according to which ...
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Creating collision diagram in Civil3D
I've been trying to make a collision diagram similar to the one shown below in Civil3D.
I've added my collision data as COGO points with geolocation and applied some basic styles, but there are 2 ...
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1
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Match feature diagrams with temporal fuction in QGIS
I am trying to create a time-dependent visualisation using a heatmap-styled points layer and a points layer with values to show at specific locations. The heatmap one shows occurrences over the ...
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1
answer
103
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Setting direction to clockwise using PyQGIS
I am looking for a way to change the direction of the pie charts of a layer from counter-clockwise to clockwise in QGIS 3. I looked in the docs but I don´t seem to find a way to do this. Does anybody ...
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How to make pie charts out of categories based on rules
I am trying to make an animation with the temporal controller of the locations of animals on specific days and would like to display the proportion in each location. The data are in a text-delimited ...
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Two diagrams on same layer in QGIS
I want to create two stacked bars next to each other for different polygons in a layer (see example with one stacked bar attached). Since I could not actually create two diagramms for the same layer, ...
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130
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QGIS Text Layer Diagrams - Callout Lines
I've created a set of Text Layer Diagrams as below. Is there a way of giving them callout lines as with labels?
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1
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Sizing Diagram pies by quantity
I am using QGIS Zurich 3.12.
I have records for some 35 species. The records (by year), initially, relate to four (point) locations. Two of the points have records for most of the species. The other ...
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2
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answer
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Stacked bar chart in QGIS
I have seen several videos of being able to do stacked bars as diagrams to represent atrributes in QGIS (e.g. https://www.youtube.com/watch?v=Ras5y6TpECk&ab_channel=WiseGIS) However I do not see ...
- 169
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103
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Hiding missing values on bar charts in QGIS
I'm trying to hide the bars when there are no values available on my bar charts. This, in order to differentiate missing values from values that are existing but are very close to zero or equal to ...
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5
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1
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165
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Removing black line from bar diagram in QGIS 3.14
I am trying to remove or move the black "line" which you can see on the some countries but I can't do anything.
8
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454
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QGIS Making population pyramids as diagrams
I'm trying to make age-gender pyramids as diagrams placed over centroids of map shapes.
Using horizontal histograms I can create the right hand side:
And by switching the direction of the bars (from ...
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1
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How to remove '0' values from the text graph in QGIS
I am trying to do some distribution maps using QGIS with text diagrams. The problem is that the graph shows also all the cases with No data or '0'. I do not want these in my graph. Any ideas where I ...
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1
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369
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QGIS: data defined position of bar diagram
I am using QGIS to visualise communal water balances of different years as bar plots (QGIS 3.8). I have a point layer (communal area's centroids) with the balance values as attributes.
I'd like to ...
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3
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2
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212
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Applying point displacement for diagrams in QGIS
In QGIS 3 I have a point layer with a lot of overlapping and I made diagrams for each point. I would like to displace them as the grid, just like the usual point displacement renderer.
Do you think it ...
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4
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597
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PyQGIS - Creating Pie Chart
I am trying to add a pie chart which summarizes data within each polygon based on two attributes fields ("P_Jet_2007" and "R_Jet_2007"). However, my script (see below) only produces an empty pie chart ...
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0
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455
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QGIS Diagrams using rule based categories?
I'm trying to do a spatial analysis on a neighbourhood and I want to tally all the parcels in that neighbourhood according to land use classifications. However, the land use classifications on the ...
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2
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702
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Displaying NoData transparent in QGIS diagrams
I am trying to display pie diagrams in QGIS 3.4. Lets say filling the whole circle would be 100%. If my data does not reach 100% in sum, I want the missing % to be empty or transparent.
Currently ...
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Pie charts color of variables [closed]
I am creating pie charts of what fish have eaten at several stations, and unfortunately the colours of the different slices are not the same across the different stations, i.e. they get assigned a new ...
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1
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Showing size of pie chart in legend of QGIS?
I'm using a pie chart map in which the size of the pie chart convey an attribute value (scaled size).
Is it possible to show this classification in the legend of QGIS 3?
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2
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3k
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Values on top of each bar of a histogram in QGIS
Is it possible to show the values on top of each bar of a histogram created with QGIS? (I am using QGIS 2.18)
I know this post [Is it possible to label bar charts? addressed a similar question years ...
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2k
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Differences between Operations Dashboard for ArcGIS and Power BI? [closed]
We are looking for a possibilty to show some live statistics and calculation over geodata (the developement on some retail markets ) and want to see what is suitable. I have tried Power BI and have ...
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Summarising diagrams for layer
I wonder if there is a possibility (plugin etc.) to create a summarising diagram of attributes more or less comparable to the summarising statistics. e.g. having a shape with a high number of polygons ...
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2
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0
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131
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How to set diagram color based on conditional expression?
I'm trying to create a map with pizza diagram, and I'm using the following expression:
CASE WHEN pH >= 6 AND pH <= 9 THEN Color_rgb (0,166,226)
WHEN pH <= 6 AND pH >=9 THEN ...
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532
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QGIS server legend does not show diagram colors
I have a QGIS version 2.18.18 map with pie-chart diagrams. The pie-chart maps display correctly in both QGIS-desktop and QGIS-server versions. The pie-chart classes are correctly displayed in the QGIS ...
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How to adjust placement of piechart symbols to prevent overlapping for a hardcopy?
My map is crowded with pie chart symbols that overlap and obscure each other. Is there a way to draw these symbols so they don't overlap, perhaps drawing them not in their actual location but in a ...
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Creating 3d barplots on a map
How it is possible to create a 3D cube with bars showing some quality, located at certain points with geographic coordinates? Is it possible to do this with some qgis plugin or, maybe, any other ...
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Diagram overlapping other layers
I have a a diagram and have put it as the last layer in my project file, however it overlaps with my top layer.
Is there any way to make the diagrams underneath the other layers?
I can add a ...
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870
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Diagrams not displaying in QGIS2web
I am trying to create a web map using the QGIS2WEB plug-in from an existing map. I am new to QGIS and I don't know if this is possible?
When I try to export the map as a web map either in Openlayers3 ...
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1
answer
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Label QGIS diagram sector with percentage etc
I'm working with QGIS 2.14.3, using the diagrams function for vector layers. Is it possible to label each single diagram sector with an attribute / calculated percentage? In the layer properties tab / ...
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310
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Building raster (population density) dependend diagram in QGIS
I'm using QGIS and trying to solve the following problem.
I got 2 layers:
population density raster
point layer with the information about number of people could be hosted/served etc in this points.
...
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8
votes
1
answer
3k
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Using labels with diagrams in QGIS?
I'm trying to display point data as diagrams with labes next them. I'm getting the diagrams and labels to work separately, but they won't work together. When both are turned on, the labels disappear ...
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2
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Diagram Ring Elements Locator (Tough Problem)
I asked https://stackoverflow.com/questions/35579843/get-only-ring-nodes-from-a-diagram on stack overflow but there was no help at all. So I hope I get help from someone on here :)
I have a diagram ...
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2
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647
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Generating Sparklines as Diagrams QGIS 2.10
The following seems to be an amalgamation of questions Is it possible to represent points as sparklines in ArcGIS for Desktop? and Pie-Chart coordinates in QGIS.
Basically I have 5 sets of ...
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2
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Leaflet: click feature to get external diagram
I am working on a Leaflet webmap which receives a layer withs polygons from ESRI REST API.
I want to implement this:
When the user clicks on a polygon a diagram shall pop up below the map.
The ...
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4
votes
1
answer
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Diagrams not drawing on QGIS
I'm trying to draw a pie chart on QGIS, over a polygon layer. This pie chart should include data from 6 fields in the attribute table. These fields contain the percentage of several categories of data ...
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3
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How to display charts next to features in the map?
This question is meant to be primarily on QGIS software but all other software solutions are welcome as far as it is possible to achieve it as easy as possible, preferably out of the box. Though the ...
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Right coordinates for data defined position of diagrams
I'm using QGIS 2.8.2 and want to define the position of diagrams with x and y coordinates.
The same thing works with the labels, but when I define coordinates for the diagrams they just disappear.
...
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468
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Creating Hovmoller Diagram in ArcGIS Desktop?
Hovmoller diagrams are useful in indicating changes through time in specific locations. I usually create this in GrADS but I am wondering if it is also possible to create Hovmoller Diagram in ArcGIS ...
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How to make Hierarchical Tree diagram from polygon layer?
I have a polygon layer with 5 hierarchical levels. I added 3 fields to indicate the level and the group. The hierarchy is also shown spatially, ie. a big polygon contains the other lower level ...
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2
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Plotting "diagram" in matplotlib? [closed]
I want to plot a diagram like this:
http://matplotlib.org/examples/shapes_and_collections/scatter_demo.html
Unfortunately, I have no idea what these diagrams are called and therefore I do not know ...
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350
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Is there a way to create layer summary Pie Charts?
In Qgis2.6. I want to create a pie chart to summarize the layer data. I have a layer of land use polygons (woodland, agricultural, urban etc.). I want a pie chart to show the % of each land use in the ...
user39790
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1
answer
302
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PyQgis Diagram Automated Placement Engine
I am trying to programatically change the "Show all labels and features for all layers" option for a layer which display diagrams.
This option doesn't seem to appear in QgsDiagramRendererV2 api.
It ...
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Cannot produce pie chart in QGIS 2.2
I have a shapefile to which I joined two tables from a MySql database. I used one column of the first table to color the polygons in my shapefile which works fine. Three columns out of the second ...
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