15
votes
Accepted
Creating Sentinel-2 NDVI time series chart in Google Earth Engine?
You are using the variable NDVI to compute the chart, but this variable is a single image, because you applied median(). If you want a time series plot you have to compute the chart using the NDVI ...
- 1,661
10
votes
Accepted
Moving Pie Chart in QGIS and creating leader line
Creating centroids was an unneccessary step. The placement properties of the diagrams offer "Data defined positions". First you create the "x_coor" and "y_coor" columns. I don't know what coordinate ...
- 1,235
10
votes
Creating bar chart from point layer using QGIS Geometry Generator
Let's assume there is an input point layer called 'points_in_polygon' with its attribute table, see the image below.
Attributes Imitatation :
"city" → "CATEG"
"month" → ...
- 33.7k
9
votes
Opening ArcGIS Pro layer in ArcMap?
If you don't need the symbology that is packaged with the layer, you can simply unzip/decompress the lpkx and grab the FileGeoDatabase within that contains the data.
As for the symbology, you'd need ...
8
votes
Accepted
Creating bar chart from point layer using QGIS Geometry Generator
Use the following expression in Geoemtry Generator, style the resulting line as arrow and assign the color corresponding to the category values (see below for that). The expression creates a bar chart,...
- 73.8k
7
votes
Accepted
Labelling column plot with unit on top in QGIS?
I've tested some options (QGIS 3.10).
It's not really straight forward, and you will need to write quite a few expressions, with some math involved.
Diagram size need to be in "Map units" (also in ...
- 906
5
votes
Accepted
Esri Cedar.js (based on D3.js)
Cedar is (currently) based on Vega which in turn is based on d3. Obviously those layers of abstraction over d3 (Vega and Cedar) should make certain things easier.
In short, just about anything you ...
- 423
5
votes
Accepted
How to move polygon pie charts symbols in ArcGIS?
I not sure there is an automated way of doing this. You can use the maplex engine to ensure your labels are centred but then they clash with the pie symbol.
A solution is to create your pies exactly ...
- 44.2k
5
votes
Displaying pie charts in web map created using QGIS?
You don't mention how you create web map. For example using NextGIS Connect plugin for QGIS 2.18.x you can create such pie charts. This is done using nextgis.com cloud web client, based on OpenLayers. ...
- 3,241
5
votes
Accepted
Time series analysis of NDVI using Google Earth Engine
ui.Chart.image.series defaults to plotting system:time_start on the x-axis, which your dataset does not contain. You can use the optional argument xProperty to specify another parameter to use as x-...
- 4,698
5
votes
Accepted
GEE Change the number of pixels on chart
I got the same problem in one of my project, and came up with a workaround. The idea is to split the chart creation into 2 steps:
Reduce each image to the value of interest. This will create a ...
- 531
5
votes
Group points by expression to create pie charts in QGIS
With a simple test data of 2 locations ("group" in this case) with 6 points each;
Create a new field to count each type at each location, for instance type_A by:
count( "type", group_by:= "group", ...
- 31k
5
votes
Accepted
Grayscale pie chart in QGIS
You may want to create your own pies using geometry generator more or less below expression and by multiplying the number of geometry generator by the number of class you need e.g
rotate(
make_polygon(...
- 31.1k
5
votes
Accepted
Sort column by values in ui.Chart.feature.byProperty in Google Earth Engine
Dictionaries (and Feature properties) aren't ordered, so you have to jump through some hoops to convert them into something that has an order first.
Get the importance keys and values as lists, sort ...
- 12.1k
4
votes
Accepted
Values on top of each bar of a histogram in QGIS
I'm using QGIS 3.4, but this answer should also be possible in 2.18.
Unfortunately it doesn't look like there's a way to directly display the histogram values as part of the histogram. A workaround ...
- 25k
4
votes
Accepted
Create a line chart from a dictionary of values in google earth engine
I missed the bounty, but anyhow I got an answer. See if this is what you needed..
var createFC = function(element, list) {
list = ee.List(list) // cast the 'accumulating' object
element = ee....
- 10.2k
4
votes
Creating bar chart from point layer using QGIS Geometry Generator
Solution using Excel
Using PowerQuery within Excel (only works for Office on Windows) you can access your local data (GeoJSON for example) or even remote data (PostGres DB etc.). So after setting your ...
- 2,950
4
votes
Accepted
How to prevent hidden objects when move extend layer
You can show bar charts created by Geometry Generator even for input features whose geometry is outside the map canvas, but, as others mentioned, it is not possible by default.
Just a few of the ...
- 73.8k
3
votes
Showing Pie charts in QGIS Legends
Recently I ran into the same problem, but I found a creative solution. To be fair without using using outside program, it only works with 4 data in the chart, but I believe it can be any amount.
...
- 31
3
votes
Accepted
Google Earth Engine chart error: No features contain non-null values of "system:time_start"
exports.temporalCollection = function(collection, start, count, interval, units) {
// Create a sequence of numbers, one for each time interval.
var sequence = ee.List.sequence(0, ee.Number(count)....
- 4,359
3
votes
Accepted
Drawing charts(pie or bar) on map Arcgis Api for javascript
Well...since there is no feature in JSAPI satisfying the need, I created a server-side solution for making the charts and the drawing it using "esri/symbols/SimpleMarkerSymbol" .
I explain the ...
- 185
3
votes
Opening ArcGIS Pro layer in ArcMap?
Layer Package is just zip archive and the file geodatabase is inside it along with LYR file
3
votes
Accepted
Opening ArcGIS Pro layer in ArcMap?
When you "opened [the LPKX file] in ArcGIS Pro [and] found out that the functionality to add proportional piecharts is not (yet) implemented" I think you must have been using a version from ...
- 65.3k
3
votes
Accepted
Set bar colors on a Google Earth Engine chart
You will need to rework the data calculated in ui.Chart.image.series() into a feature collection. Then you will add a property for each different month and you can plot each month using ui.Chart....
- 10.1k
3
votes
Accepted
Leaflet map click event: how to update bar plot in external div?
This will be an attempt to guess of how you would want your chart to look like.
Option labels gives label to each of your data on x axis, option label names your data set (displayed above chart), ...
- 26.5k
3
votes
Accepted
Error generating chart: String: Unable to convert object to string
You first spectra chart fails because the points are not within the image bounds, so the chart actually has no values. Make sure these point fall within the image pixels. For simplicity, I used:
var ...
- 10.1k
3
votes
Stacked bar chart in QGIS
This feature has been introduced with QGIS 3.12. See: https://www.qgis.org/en/site/forusers/visualchangelog312/index.html#feature-new-diagram-type-stacked-bars
- 35.2k
3
votes
Accepted
Controlling class label and color from classified image in GEE column chart?
Chart.image.byClass is just calling a grouped reduceRegion. Probably easiest to just build your own data table, so you can then configure the rest of the charting any way you want.
var palette = ee....
- 12.1k
3
votes
Accepted
Creating chart with day-of-year time series for multiple regions using Google Earth Engine
The problem is that in the ui.Chart.image.doySeriesByRegion, the seriesProperty argument is set to 'label'. However, that property does not exist in your FeatureCollection. Try changing it to a ...
- 2,331
3
votes
Accepted
Creating formatted chart for Confusion Matrix using Google Earth Engine
You can use the style argument when creating your ui widgets and use a subset of CSS to style them them. There are some missing features, like the border-collapse property, that makes it tricky to get ...
- 14.5k
Only top scored, non community-wiki answers of a minimum length are eligible