Questions tagged [chart]

A chart is a graphical display of data.

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11 views

GEE create chart for the area of classified image

In Google Earth Engine I have classified a mosaic image using Random Forest, and using reducer the area of each class classified was determined by the code below. var area_classified = ee.Image....
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20 views

Making chart of FIRMS data in Google Earth Engine

I'm trying to analyze crops burned areas in GEE. I want to use FIRMS data to make a chart of "T21" and "confidence" bands to see how these variables change in a specific period (a ...
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16 views

Removing repeats in Chart symbology in ArcGIS Pro

I want use Chart Symbology for my dataset but there are repeats in the chart symbology when I export the map. Pics show what I want and see in Layout view VS the repeat pie charts after I export. How ...
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21 views

Getting precipitation daily sum data from GSMap in Google Earth Engine

There are two posts about this issue, but neither seems to work properly: Reduce image collection to get daily sum from hourly precipitation GSMaP 12:00h pm to 11:00h am Reducing image collection to ...
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13 views

Time series charts

After developing this code: var dataset = ee.ImageCollection("ECMWF/ERA5_LAND/HOURLY").select("temperature_2m"); // Change de user interface to put into pannels de differences ...
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21 views

Generating Table or chart of point values per polygon from time series - Google Earth Engine

I'm trying to generate a table with my GNDVI points value from a time series. I have a feature collection of my polygons, another feature collection of my random points in the polygons. I have a image ...
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16 views

Print attribute value of a polygon with OnClick function GEE

I have a shapefile with many polygons and attributes (example "polygon_ID"). I would like to get the printed ID when i click on a specific polygon. It would be a simillar function to the &...
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1answer
24 views

Daily rainfall chart in a polygon between dates in GEE

I would like to make a chart of daily rainfall in a polygon of a shape file collection. var inidate = ee.Date.fromYMD(2020,5,1) var enddate = ee.Date.fromYMD(2020,11,10) // Difference between start ...
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1answer
65 views

SAVI time-series chart on Google Earth Engine

I've been trying to generate time-series indexes charts and print it on the panel, but the SAVI index chart ends up looking just the same as the NDVI chart, besides, the range is wrong (0 - 1.5). Here ...
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39 views

Is it possibleto bar graph rainfall data in parallel with with a temporal animation

I have an animation of red squirrel sightings in Clocaenog Forest over time (one year). I would like to display a bar graph of rainfall and temperature for each day as the animation displays. I know ...
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17 views

GeoServer Data Visualisation Framework

We are currently testing out OGC GeoServer implementing WFS 3.0 and very exited about it. We usually use OpenLayers for displaying the data. Very often we need further data visualizaions - basic ...
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31 views

Printing a table fro time series on google earth engine

I'm quite new to GEE. I have code that prints a time series of my image collection. I know that it is possible to download the data to a csv file but is there a way to view my time series data in a ...
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1answer
114 views

How to Properly load ENC charts on QGIS 3

I am trying to load ENC charts on QGIS but they are very odd when loaded. I read that one has to use ogr2ogr that converts these to shapefiles but that didn't work for me too. It shows up totally ...
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1answer
48 views

Error generating chart: String: Unable to convert object to string

When I try to generate chart by region, I get following error: Error generating chart: String: Unable to convert object to string. How can I revise my code to remove this error? var image = ee.Image('...
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1answer
37 views

Time series chart CHIRPS data in Earth Engine

I am trying to derive a time series chart of the CHIRPS daily data set (precipitation) at a specific location. However, I get the following error "Error generating chart: No properties to chart.&...
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1answer
63 views

Making combo chart in Google Earth Engine

How can I make combo chart in Earth Engine? I have a code that makes a chart based on image collection for given polygon. I would like to draw the mean value line in the chart as well. Is it possible ...
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23 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
46 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
45 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
82 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
53 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
218 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
152 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
100 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
77 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
49 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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33 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
48 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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0answers
532 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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87 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
271 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
351 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
38 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
457 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
54 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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129 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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55 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
82 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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225 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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342 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
49 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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2answers
547 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
176 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
272 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 ...
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1answer
67 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
217 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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2answers
109 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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3answers
668 views

Opening ArcGIS Pro layer in ArcMap?

I received a layer package (lpkx) from a client. Finding out I couldn't open it in ArcMap led me to discover that this is a newer version of the software (ArcGIS Pro). I managed to install that and ...
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1answer
482 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
59 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 ...