Questions tagged [chart]

A chart is a graphical display of data.

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0answers
11 views

Showing size of pie chart in legend of ArcMap 10.7.1

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 ArcMap 10.7.1 ? There is a similar ...
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1answer
23 views

Batch charts in ArcGIS Pro

Does ArcGIS Pro afford the ability to batch create chart elements? I am aware of how to create a single chart by selecting the table in the TOC, right click and "create chart". I can select ...
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1answer
23 views

What is causing a delay in the refresh of Time-series charts in Google Earth Engine user interface?

I am exploring the User Interface tools in Google Earth Engine and using them to make time-series charts of vegetation information upon map clicks. When I run the code, the first time, everything ...
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1answer
34 views

Error: No features contain non-null values of “system:time_start” (Earth Engine)

I am trying to print a NO2 time series at a user specified point. However, this time series keeps saying: Error generating chart: No features contain non-null values of "system:time_start". Any ...
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1answer
26 views

y2019SO2.map is not a function error in GEE

I have an error that I didn't understand. How can I fix this? This is my code. // get the layer for the city var antalya = ee.FeatureCollection("FAO/GAUL/2015/level1") .filter(ee.Filter.or( ...
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1answer
115 views

Google Earth Engine - Sentinel NO2 mean, min, max chart

I'm using the code bottom to create NO2 Charts of a region. Please, do you know if it possible to group the three graphs into one? var collection = ee.ImageCollection('COPERNICUS/S5P/NRTI/L3_NO2') ....
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1answer
78 views

Group points by expression to create pie charts in QGIS

Is the any way to group multiple points by attribute to make pie charts that shows types by locations? I have a layer with groups of points with two fields (group and type). Every group of points is ...
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1answer
38 views

Google Earth Engine landcover chart

I have a dictionary of % landcover from the 2016 NLCD. I am having trouble trying to make a bar chart to show the percentage of each land cover class in a given area (DEM vector). The dictionary is an ...
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0answers
43 views

How to plot latitude, longitude and elevaltion data in python [closed]

I have latitude and longitude and elevation data in a CSV file and I want to process it in 3d to something like this the data set is kind of like this I just want latitude, longitude and elevation
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2answers
37 views

Google Earth Engine - Chart APP

I made a script that makes a chart of the NDVI values by dates for different sites. When I create an APP to share that chart, the only thing visualized is the MAP. How do I create an APP with only (...
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0answers
22 views

How to plot pies or histograms around points (GeoPandas) containing different level values indicators?

This is my code (a simple sample of df). I'd like to have around each point on a map, an histogram or pie showing the mechanical bikes out of the total. import pandas as pd pd.DataFrame( {'...
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1answer
33 views

How can I add multiple series to a chart in ArcGIS Pro

I am using ArcGIS Pro version 2.5.0. I want to create multiple scatter plots, but where they are all graphed on the same figure. That is, I have three different cities where I want to plot the same ...
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200 views

How to create dashboard combining maps and charts open source way?

As far as I am aware there is no open source user interface (framework) which would allow easily design website as combination of interactive maps and charts like ArcGIS dashboard tool does. And you ...
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35 views

Chart on every marker with Mapbox Gl JS API

I am trying to move from Leaflet to Mapbox GL JS API. In my current application, I used the Leaflet Data Visualization framework (DVF) which is an awesome library. But I am afraid, is there any ...
2
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1answer
104 views

Leaflet map click event: how to update bar plot in external div?

I made this code to trigger a graph every time you click on a GeoJSON feature, so that for each polygon in the map, the graph shows data for the corresponding name of the region ("Comune"). The data ...
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1answer
297 views

Labelling column plot with unit on top in QGIS?

I made a column representation in QGIS, which shows the effects on different points around point 24. Is it possible to label the columns on top with the unit as you are used to from excel? QGIS-...
2
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1answer
27 views

Google Earth Engine chart error: No features contain non-null values of “year” [closed]

I'm trying to plot a chart from a collection I have created. While the data from this collection maps fine, I can't seem to produce a chart for it. Here is the code: var l5_coll = ee.ImageCollection('...
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2answers
226 views

Spectral signatures chart in Google Earth Engine

I have been reading the documentation and some related questions online, but I cannot seem to make it work. I use Google Earth Engine to access an old Landsat 5 image, and classify later on. I want ...
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0answers
25 views

Label Symbology Pie Charts/Multiple Bar Graph

I created bar graph and pie charts on every single feature on the basis of their values stored in attribute table but I can't label/plot the values on these graph/on the top of graphs. Currently this ...
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84 views

How to fix “Parallel Arrays Must Have Same Length” error for chart

I'm using a transect with two types of data to collect temperature and aerosol index on Google Earth Engine. I want to print a line chart using multiple dates, but I keep getting two error listings: ...
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0answers
41 views

Change the colors of the pie chart in compouse (plot) in QGIS 3.10

When using the new plot command available in QGIS 3.10 for compouse pie chart generation, I didn't find any option to change colors. Is there any way to choose colors?
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1answer
51 views

What are ui.Chart.image.doySeriesByRegion Arguments?

The function ui.Chart.image.doySeriesByRegion has been used on Google Earth Engine document, but it is not clear what are the arguments. e.g. from the page: var series3 = ui.Chart.image....
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0answers
156 views

Scatter plot of two columns for a FeatureCollection in Google Earth Engine?

I have some SNPP-FIRMS data in a FeatureCollection format. I would like to make a scatter chart of two of its columns (FRP Value, and Date). I tried but it did not give me a correct chart which does ...
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0answers
128 views

Get data from GeoJSON to create chart within pop-up

I'm working on getting a pie chart to display within a pop-up on a Leaflet map, visualizing the data from the GeoJSON within the pie chart. mygeojson.on('popupopen', function (e) { var data = {...
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0answers
112 views

QGIS Pie chart labels from column names

I am trying to get the proper labels for pie charts on my map. I want to use the column names of the table (.csv file) that is used for the pie chart as labels for the pie chart on the map. The column ...
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0answers
35 views

Making chart with related table using ArcGIS Pro

I have a feature class with some locations of drills. I also have a table with data how deep the drill went and some more technical data in it. I used relate on the feature class to connect the ...
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1answer
328 views

Set bar colors on a Google Earth Engine chart

I am trying to define a set of colours by month on a ui.Chart.image.series, however, after adding the .style line, no changes are made. I would like to have a different bar color for each month, the ...
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0answers
113 views

Exporting Ui.chart in Google Earth Engine?

I have a project where the user press on a district and then the app shows the temperature a s time series chart. I want to optimize all that calculation and save each chart instead of making the ...
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1answer
127 views

CSV export date format in Earth Engine

When exporting a chart to CSV is there a way to configure the date to day month year (dd-mm-yyyy) format as it is difficult to convert the date in Excel for graphing? Sample of export: when using ...
2
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1answer
60 views

NDVI chart of sampled points

I'm working with Sentinel 2 satellite and I have sampled on the map 4 blue points indicating an irrigated areas, and other 4 red points for non-irrigated ones. Then, I have considered 4 collections, ...
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0answers
126 views

Chart - trendlines - slope - NDVI - visibleInLegend: true - GEE

I am using the following code in GEE to calculate the trend line: ndviChart.setOptions({ title: 'NDVI (Sentinel 2)', vAxis: {title: 'NDVI'}, trendlines: {type: 'exponential', 0: {color: '...
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0answers
90 views

Convert sounding depths from NOAA S-57 ENC to GeoTIFF

I want to rasterize an ENC I downloaded from NOAA (https://www.charts.noaa.gov/InteractiveCatalog/nrnc.shtml) in order to have a XYZ grid of sounding depths. I should think this is an easy process, ...
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2answers
106 views

Source for regularly updated ENCs?

Is there a reliable source for Electronic Navigation Charts, where they get updated regularly? I am able to find for American waters on the NOAA website, but not for other regions.
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0answers
50 views

EVI Trend Analysis Chart with line of best fit and monthly data

I'm trying to create an EVI trend analysis chart for a region. I would like to include a line of best fit (least squares) as well as to select dates by month so I can increase the timeframe over which ...
0
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1answer
264 views

GEE Change the number of pixels on chart

I'm trying to create a time series chart that will tell me that mean precipitation for a given imageCollection, but my polygon is too big and I get the next error message: "Error generating chart: ...
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1answer
54 views

How to keep native spatial resolution while making a chart?

I have difficulties on producing chart in native spatial resolution. Please, look at the below script. The script allows to transform hourly GSMaP data into daily data and extract the values for given ...
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0answers
79 views

How to make piechart with YSLD in Geoserver style

It is possible to make piechart style in Geoserver WMS using XML SLD. For this adding chart extension is required. Now, is it possible to make such piechart with YSLD ? Additional info: My ...
2
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1answer
206 views

Time series analysis of NDVI

I want to create a chart of annual NDVI for a specific region. The output should be one NDVI value for that region for each year. I tried the following code and so far was able to get an image ...
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0answers
39 views

Error generating chart because computed image is too large

I want to export a graph of type ui.chart.image.series in the GEE in CSV format. This graphic is built into the browser after two different collections of images (one I named "Collection" and the ...
2
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0answers
69 views

Charting Normalized Difference of Image Collection?

I would like to get the normalized difference of each image within an image collection (In this case Sentinel-2) for a specific polygon/geometry and then chart the values calculated for each image. ...
0
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1answer
195 views

Export NDVI values from chart as JSON in Google Earth Engine

After filter OLI8 for a small area var collectionFilter = ee.ImageCollection('LANDSAT/LC08/C01/T1_RT_TOA') .filterBounds(geometry) .filterMetadata('CLOUD_COVER','less_than',4) .map(app); print(...
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0answers
271 views

Geoserver SLD: How to get CENTROID of result of INTERSECTION?

In my GeoServer SLD I need to place a symbol (particularly a piechart) exactly on Centroid of the result of Intersection of 2 geometry: geom field from my PostGIS table AND environment variable ...
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0answers
268 views

How to plot elevation charts from a GPX file that has elevation data

Is there a service or package that converts a GPX file into an elevation chart? I need either a CLI, a Web API, or a library/other software that could be wrapped up as a small service. The GPX ...
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1answer
73 views

Normalize XLabel on NDVI Index chart in Google Earth Engine

I'm using the "ui.Chart.Image.Regions" type to produce three graphics for three different SENTINEL-2 images, with EVI index values. I would like to normalize the horizontal label (the X label) so ...
2
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1answer
672 views

Create a line chart from a dictionary of values in google earth engine

I am currently trying to create a line chart for each land-cover type across three bands I selected from MODIS. Problem is most of the ui.Chart functions require a feature or an image. Please help? ...
1
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0answers
60 views

Bar Chart Legend

I am trying to add legend to a map with bar charts which would be meaningful. The default legend doesn't explain the size of bars on the map. I have tried this one: https://www.esri.com/arcgis-blog/...
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1answer
306 views

How does ee.Reducer.median() differ from just ee.ImageCollection.median() - Issues with a chart?

I am trying to create a chart that displays an image series from an Image Collection and there are two things that I do not understand: In the first part of the code that you will see below, I do not ...
2
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1answer
394 views

Unrecognized argument type to convert to a FeatureCollection:

I am unable to chart a histogram for my region for each image in an image collection. // Create clipping function var clipper = function(image){ return image.clip(geometry); }; var modis = ee....
2
votes
2answers
623 views

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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1answer
254 views

Reducing hourly rainfall data to monthly data for particular period of time and making a timeseries chart

I am working with GSMaP image collection (hourly rainfall data) in Google Earth Engine. I would like to make a script which is calculating and making a chart of sum rainfall in particular location ...