Questions tagged [chart]
A chart is a graphical display of data.
262
questions
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Principal Component Analysis (PCA) error found for getting results as a Chart (ui.chart) in GEE
I am trying hard to get principal component analysis results as 'chart/csv.' format by applying ui.chart code but it shows the error "Error generating chart: No features contain non-null values ...
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EEException: Image.bandNames: Parameter 'image' is required
I am trying to compute the NDVI index using the MODIS Landset in Python and to visualize it in a time series chart, but I am facing an error and I cannot understand where is the problem. This is my ...
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89
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Box plots in Google Earth Engine for NDVI
I am trying to create an NDVI chart with bix plots in Google Earth Engine. I drew an ordinary chart for NDVI and SAVI using LT5 images for 1992-2000. But when it comes to drawing charts with box ...
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59
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Sanity check for a declination chart on a QGIS map
I'm making a declination chart (True North -> Grid North -> Magnetic North) for a map I plan on using, and I need some sanity check from the community:
The convergence from True to Grid north is ...
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Grouping points within counties and symbolizing their data as pie charts in QGIS
I need to combine/categorize points within different polygons while retaining some of their values. I've made up a scenario to try and simplify my problem.
The layers I have to work with are a point ...
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42
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GEE does not recognize strings when labeling a chart in ui.Chart.image.regions
I'm trying to create a chart en GEE, with labels for each series.
GEE does not recognize strings when labeling a chart in ui.Chart.image.regions
The error is
Error generating chart: Data column(s) for ...
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62
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How can I change the Data format in xProperties of GEE Chart?
My goal is export CSV table with 2 columns: system:time_start in format YYYYMMddHHmmss and LST_median. For this I try to create Chart first but xProperty wants just a string like system:time_start and ...
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GeoServer SLD styling: Ignore NaN values when generating pie chart
I want to create a style in GeoServer to display a pie chart based on four attributes.
With the SLD code below I can create functional pie charts:
<?xml version="1.0" encoding="ISO-...
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59
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Create a time series chart showing the winter, spring, summer, and fall mean land surface temperatures (LST) on the same graph
I know how to create a time series for each season, but I how can I plot them on the same chart?
var roi = ee.Geometry.Point([-122.08412, 37.42189]);
Map.centerObject(roi, 6);
print('Coordinates for ...
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How can I put this data into a table?
Here is a chart of monthly mean rainfall vs month, and I would like to now get a data table. I would also like to export the table to the drive.
I am not sure how to generate a table, basically I just ...
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Merge polygons that overlap into a multipart polygon while maintaining the original geometries/look
Overall, I want to display an index map that shows nautical charts and their corresponding inset charts. The majority of the time these insets lay directly on top of the "parent" chart in a ...
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Google Earth Engine: Chart "User memory exceeded" shown + values keep getting rounded up to 0
I use the the following code.
The first chart works properly but the second chart shows the "User limit exceeded" error
Also when I export the chart in .csv format all the values become 0.
I ...
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66
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Combining several collection into line chart in Google Earth Engine
I made several collection and I want to make a line chart using these five period.
var p1 = S2.filterDate('2020-04-14','2020-04-27').mean();
Map.addLayer(p1.clip(SBY), band_viz, 'PERIODE 1');
var p2 =...
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0
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GeoServer: Creating pie charts using SLD
I have created a layer in QGIS using pie charts as below:
I wanted to export this style to SLD and import it into GeoServer and then apply it to a WMS.
The export from QGIS to SLD does not work ...
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69
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Adding an extra series to a doySeries Chart in Google Earth Engine
I've seen the ability to generate a time series chart with different series in GEE using different bands of the same image collection as seen here: https://developers.google.com/earth-engine/guides/...
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79
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UI Charts - Google Earth Engine Python API
I am using GEE Python API. I want to create a time series chart but the documentation says:
Caution: the ui.Chart widget is available for the JavaScript Code Editor API only.
How do we create in ...
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2
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370
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How to split a feature collection in several equal parts in GEE
I have a feature collection (fc) consisting of 44 polygons. I need to create a time-series chart of NDVI values for each of them. I would like to analyse these polygons in groups of 4 - 5. Grouping ...
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89
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How to chart only a subset of features in a feature collection in GEE
I have a feature collection consisting of 44 polygons. I need to chart a time-series of NDVI changes in each of them. I want to chart the polygons in groups of 4 and select them myself, meaning there ...
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2
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55
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Define ".setSeriesNames" as a specific column from my Feature Collection when charting in GEE
I have an asset imported from a shapefile in GEE. It is a feature collection with which I wish to chart a time series. The lines from each feature are labelled as system:index. See labelling of ...
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Adding Chart Guide using ArcPy in ArcGIS Pro
I wish to add a guide to the Bar chart in ArcGIS Pro using ArcPy but I couldn't find anything in documentation.
How can I do this?
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176
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Multiple line Chart from lists in Google Earth Engine
I have three Lists x1, x2 and y of equal lengths. I want to compare different values of x2 corresponding to a y-x1 graph. So far, I have tried is using the ui.Chart.array.values(). The arguments need ...
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114
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Assigning labels to values in chart using Google Earth Engine JavaScript API
with this code I created a land use time series:
var imgCol = ee.ImageCollection('users/danielepiccolo/consumo_suolo/CS_ARPAV')
.select('b1');
var region = ee.FeatureCollection('users/...
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Timeseries chart of land classification [closed]
reusing some code i created this project to display the histogram of soil classes:
https://code.earthengine.google.com/6e9a7f17f4ae0260f796727c4d4f3e1a
The image has only one band and pixel values ...
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0
answers
43
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PyQGIS FlowChart - Python
I'm trying to create an ArcGis Flowchart. I've read the Developers CookBook and I couldn't grasp almost anything.
What I'm trying to do is using some data that I already have, to create n rectange, n ...
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23
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Google Earth Engine chart y-axis label value set [duplicate]
I have a line graph consisting of drought time series and I want to increase the label values on the y axis of this graph by one by one, not by two as in the image. How can I do this in Earth Engine?...
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117
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In ArcGIS Online Dashboard, is it possible to make a chart based on a relate?
An ArcGIS online Dashboard, is it possible to make a chart based on a relate? A relate is a one-to many-join. My proposed relate is a hosted feature layer to a table. So each of the polygons in my ...
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106
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Wrong format of Year in Chart
I am calculating the Annual mean NDVI from S2 data and trying to plot it. However, in the chart, the format of all years is not correctly presented. The 'year' values are presented as double. How I ...
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81
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Automatic setting of bar colours in a stacked bar chart using DataPlotly
I'm building a bar chart from attribute table using DataPlotly.
I have set the colour scale for bars setting this expression:
case
when "field" = 'A'
then '#06e79e'
when "field" = '...
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1
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105
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Print chart error: "User memory limit exceed"
I tried to plot the SAR backscattering vs the Crop Water Stress Index using the following code:
var CWSI= ndvi.add(ndwi).rename('CWSI')
print('CWSI',CWSI)
Map.addLayer(CWSI.clip(Hoshiarpur),{},"...
2
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1
answer
209
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Google Earth Engine: time series chart of NDVI median value for different land cover classes (ESA/WORLDCOVER/200V)
I'm trying to extract a historical series of ndvi by land cover class (in particular Trees, Shrubland and Grassland), using the ESA collection (ESA/WORLDCOVER/200V) and clipping on my study area (...
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84
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Chart of 14-day cumulative rainfall
I need to chart/download a list of 14-day summed precipitation values, and I was not able to get this script to run. I seem to be running into an error related to the 'system:time_start' property. I'm ...
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0
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178
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Is there any way to create a dynamic marker with a self-populating pie chart (within the marker) in QGIS?
I have to plot security incidents on a map, and while I have been having great success on QGIS with the general mapping, as well as using clusters to indicate more than one incident on the same ...
0
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1
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88
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Scale y axis on elevation profile chart
I am generating elevation profile graphs from hiking trails (GeoJSON). Use as maximum and minimum values of the Y axis the value of the maximum altitude and the minimum altitude of the route. The ...
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43
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Getting several NDVI values when computing NDVI mean from a multipolygon
I want to compute for each date the average NDVI from a multypolygon, but in my chart I have several NDVI values for each date. I waited to get a single result as it is mean NDVI. Why do I have ...
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36
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Multiple series charts in ArcGIS Pro
I have a simple table with fields covering differing years, ArcGIS Pro will aggregate on one category (field) ie only one year. I cannot find a way to aggregate on a differing year as below
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479
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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 ...
0
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185
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Create a chart with JavaScript
I would like to create a chart with chart JS. I would like to load a JSON from my AGE rest and after that, create a cumulative chart with the length of my polylines.
My code blocks when I try to load ...
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297
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Error in generating a chart: No images in the collection intersect the specified regions
I am getting an error saying:
no images in the collection intersect the specified regions
thus my time-series chart cannot be generated.
What might be the reason for this?
The link to my code
https:/...
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0
answers
33
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ArcMap only plots some points of shapefile
I am using ArcMap 10.7.
I have a point shapefile with nine weather stations in Patagonia. It's available here. I want to plot all four variables as a bar chart for each station, so that you can see ...
0
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1
answer
110
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Creating BoxPlot in R
I want to create boxplot to show Forest Percent by localunit (GaPa_NaPa). The attribute data is as shown below:-
The data frame is as shown below:-
structure(list(GaPa_NaPa = c("Gaidahawa", ...
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1
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520
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Land Surface Temperature in GEE: ,Creating a Chart with correct values
I have this code below for creating an LST for my region. Then, I create a chart with the mean values. But code gives the LST values in the chart in negative from the range -250 to -293. Now I do not ...
2
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1
answer
79
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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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82
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No features contain non-null values of in graphy
I want to graph the NDVI series by another classified image, but when I graph it there is a wrong No features contain non-null values of "system:index". Howvever I already set the system:...
3
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1
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259
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DataTable Charts issue in Google Earth Engine
I am working on drawing a chart using datatable. So I followed the instructions in https://developers.google.com/earth-engine/guides/charts_datatable
I noticed a 30 days shift between the data and the ...
3
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0
answers
493
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Making spatial pie chart using two columns in GeoPandas
I am trying to make a pie chart that looks like the one below:
-
I am using GeoPandas for that:
us_states = gpd.read_file("conus_state.shp")
data = gpd.read_file("data_file.shp")
...
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1
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79
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Error generating chart: No features contain non-null values of "system:time_start" in generating chart of NDVI
I got this error when trying to produce a time-series chart of NDVI in Sentinel-2. I've already tried something like .copyProperties(image)".set('system:time_start',image.get('system:time_start'))...
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799
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Google Earth Engine - NDVI chart - projection error
Once I multiply NDVI and EVI values with 0.0001, I get an error that is shown below. So I can't get the chart.
Error generating chart: Projection error: Unable to compute intersection of geometries ...
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1
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107
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Adding subscripts or superscripts into bar chart using ArcMap
Is it possible to add subscripts or superscripts into a bar chart axis making in ArcMap?
I know that for labels the code is <sup>2</sup> or with sub. I'm using in the label bar chart but ...
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1
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1k
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Variable importance for Random Forest classification in GEE
I performed RF classification in GEE and calculated variable importance with two various scripts successfully.
The first script is:
var dict = classifier01.explain();
print('Explain 1:',dict);
var ...
0
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1
answer
427
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Plotting spectral signature of training data from a supervised classification in GEE
I need to plot the spectral signature of training data in each of the 8 classes of the supervised classification script I wrote in GEE.
The variable 'training_points' is made of sample points I ...