All Questions
209
questions
1
vote
0
answers
56
views
Bar Chart Not Stacking
I have been trying to adapt this tutorial, How to Use Chart.js with Django, to my AWS billing reports. I want to tweak this graph from the tutorial:
I want to "stack" the costs from the ...
- 10.4k
0
votes
0
answers
31
views
Migrate chart.js <script> functions to django views while maintaining dynamic interactivity on all charts
I have a django app that has a significant amount of user interaction with the user. The User uses sliders and text boxes to move data points, and the chart automatically changes and recalculates all ...
- 6,366
0
votes
0
answers
47
views
Cant pass data to Chart.js with Django
Im using bootstrap template for my website and have problem to pass data from view in django to html to chart.js
I tried to pass data like any other variable but it didnt worked. I cant see data
I ...
0
votes
0
answers
133
views
Fetching Data from PostgreSQL DB and displaying in form of pie chart in Django App
I am trying to fetch the data from Progress Table(Model) that is in my PostgreSQL database.. but it shows nothing where I want to show that data in form of pie-chart. the only error it gives is ...
- 39
0
votes
2
answers
287
views
How to pass dictionary data to chart.js in django?
I want to get a report by chart from my model but I can't figured out how to pass data from a dictionary to chart using chart.js?
here is my model:
class Book(models.Model):
number = models....
2
votes
1
answer
69
views
How to make a complex query? | ChartJS and Django
I have a chart created using Chart JS library below:
My models.py below:
class Organization(models.Model):
name = models.CharField(max_length=250, unique=True)
def __str__(self):
...
0
votes
1
answer
30
views
Django App: Chart.js is ignoring my options
Why is my Chart.js code ignoring the options I am setting?
I am attemptint to plot a simple chart with two variables that should appear on two y axes. I tried to hide the secondary y axis (which, ...
- 5
0
votes
1
answer
130
views
Fail to show date array in chart.js labels/x-axis in Django
I have a django project where a model called EmployeeDayOutput is created with 2 columns output_date (datetime or date field both work) and output_hours (float). In a html page I use chart.js to ...
- 11
0
votes
0
answers
41
views
django-chartjs issue. chart not displaying on the page
I am currently trying to display a bar chart in my django application this chart is supposed to represent the total mortality rate of all hospitals I have in the database. I can see the data when I ...
- 1
0
votes
1
answer
142
views
Make a pie chart using chart.js in Django error
I am building a budget tracker application and in dashboard page, I'd like to list different graphs. The pie chart is for expense structure showing how much expense is spent in certain categories. I'm ...
- 47
0
votes
0
answers
88
views
Django - How to track user progress across multiple days?
I have a django model that updates with the user's current time spent on the website:
totallearningtime = models.DecimalField(default = 0, decimal_places=2, max_digits=100) # total time user spent on ...
- 25
0
votes
1
answer
442
views
Javascript doesn't execute when the html is called by a hx-get
I have the following html's that i load in a Django app:
pie_chart.html
{% load i18n %}
<div id="chartcontainer" >
<div style= "width: 400px;" "height: 400px;&...
- 45
2
votes
1
answer
519
views
How to query database and display on charts.js in django
Hi I am trying to display all marketplace as label and the quantity of infringements in those marketplace as data on a pie chart. Please help.
marketplace1 - 5
marketplae2 -4
marketplace3 -7
dashboard....
- 130
1
vote
2
answers
325
views
Problem using npm of chart.js in django Project
I tried to use Chart.js in my Django project , when I Use NPM package it's not working but when I use CDN It work Perfectly
char.js version 3.9.1
here is my index.html file on my project
<!DOCTYPE ...
- 15
0
votes
0
answers
106
views
Chart.js display no data message using django
I have a pie chart that I want to display no data message when there is no data to be shown I have tried the methods here but it seems to stop displaying the chart all together even when there is data....
- 17
1
vote
2
answers
2k
views
Chart.js- Dates not displaying correctly on chart and axis labels not showing
I'm trying to label my axes on my chart. I'm using chart.js v3.9.1 and I believe I've followed the documentation, however the labels aren't showing up (see below):
health_hub_tracker.html:
{% extends '...
- 97
1
vote
1
answer
3k
views
Why is Chart.js not rendering? Error: Uncaught ReferenceError: Chart is not defined
I am trying to implement chart.js in my django project, and I am starting with the example graph used on the chart.js website, before then amending the data and tweaking it.
However, I can't yet get ...
- 97
0
votes
1
answer
796
views
How to plot Django data on a Chart.js graph?
I am so tilted, so so so tilted. Been trying to work chart.js for a while now on my website I built with Django. I want to plot two fields: Dates and Scores. Dates is a date such as 1/6/2022, score is ...
- 53
0
votes
1
answer
142
views
Building chart using charjs in Django
I need to create a chart with chartjs with displaying month wise count on current year in a line chart. The data should be retrieved from the model named "invoice" and the feild name is &...
-1
votes
1
answer
1k
views
How to set action on slice-click Doughnut in Chart.js
I've been trying to add chart.js to my Django Project, which worked pretty fine so far. I made a doughnut-chart with two slices. Now i want to have each of those slices to have seperate actions on ...
- 23
-1
votes
1
answer
49
views
intergrate Chart.js with Django ( data not showing )
im new to django and chart js, and trying to develop some project but I was having some trouble when trying to visualize my data from myAPI into chart JS and it shows nothing, here is my code :
var ...
0
votes
1
answer
290
views
Plot Chart.js scatter graph in Django using huge data
I'm developing a scatter graph to visualize the trend of product volume for every product count.
x: product count
y: product volume
From django view, two array list was pass to chart javascript in ...
- 27
0
votes
1
answer
147
views
Issue in making a Pie Chart using django with fully dynamic data
I have a Django backend that is sending this dict :
{'New': 1, 'Pending': 0, 'Done': 0}
I have to make a pie chart with this, So
I tried:
labels: ["{% for key, value in pie.items %}{{key}}{% ...
1
vote
1
answer
416
views
How to display django models with datetime field in chart using chartjs?
I have a django model which is called ScanBatch. Scan batch is made up of fields like the timestamp (datetime field), domain (char field) and total ids found (integer field).
My chart code is :
const ...
- 11
0
votes
1
answer
349
views
Django Time Series with Chart JS
I'm building a Django app that is dynamically feeding data to Chart JS. because I'm trying to join two line series together (historical values and predictions), I'm trying to have Chart JS understand ...
- 183
0
votes
0
answers
71
views
Updating chart.js with ajax
i'm trying to auto-update my chart js graph trough ajax , but my if statement always return the wrong awnser on the first iter , any idea why ? thank again. , tell me if you need anything more.
...
- 1
0
votes
1
answer
230
views
How to create chart from a dict?
I have a dict like:
print(assigned_incidents) =>
[
{'name': 'Eda', 'case_type': 'Med'},
{'name': 'Deniz', 'case_type': 'High'},
{'name': 'Alex', 'case_type': 'Med'}
{'name': 'Eda', 'case_type':...
- 670
0
votes
1
answer
2k
views
How to use Utils from Chartjs on Django
I have a simple Django project that display some charts on a determined page, so when I try to replicate some examples from Chartjs I see that they make use of a Utils module, when I make this same ...
- 1,576
1
vote
1
answer
45
views
How to get value of defaultdic in JS (Django framework)?
I want to use chartjs to display a chart on the page (Django framework).
views.py
chart_data = defaultdict(<class 'int'>, {'3': 2, '2': 2, '8': 2, '5': 2, '7': 1})
context["chart_data"]...
- 23
2
votes
1
answer
427
views
chartjs-plugin-annotation box in Django app
I have chartjs v2.9.3 in my Django app and it works great. Now I need to add a box to one of my charts using chartjs-plugin-annotation, and I've followed all the steps, but I can't get it to work.
I'...
- 373
1
vote
0
answers
486
views
Add multiple real-time plots on the same page with Chart.js (Django)
i'm trying to add multiple real-time plots on the same page (Django framework) with Chart.js using websockets. When i try to add separate socket on the 2nd plot, the 1st freezes. Here is my code, ...
- 11
0
votes
1
answer
826
views
Chart js multiple pie chart on one page
Iam building my portfolio website and i build a simple stocktracker. I added some charts from Chart.js, but somehow only one gets rendered when I excecute the code.
I managed to assign all the divs ...
- 13
0
votes
1
answer
802
views
How to filter and add multiple datasets using Django and Chart.js
I've been scratching my head for quite a while on this so any help is much appreciated.
Let's say I have a model called Transaction.
class Transaction(models.Model):
time = models.DateTimeField(...
- 1
1
vote
0
answers
48
views
Adding a date selector for a JavaScript chart in HTML
My chart data is based on a list of dictionaries. It's a Django project, so my data is defined in views.py: I count the number of records with Mike, Jane and Jack.
mylist=
[{'Date': '2021-10-02', 'ID':...
- 259
0
votes
0
answers
141
views
Create a JavaScript chart in HTML with a date selector
My chart data is based on a list of dictionaries. It's a Django project, so my data is defined in views.py: I count the number of records with Mike, Jane and Jack.
mylist=
[{'Date': '2021-10-02', 'ID':...
- 259
0
votes
1
answer
1k
views
Add dynamic data in a demo chart.js file of a django template
I'm using the "start bootstrap4" template for my Django project. I want to edit my own data in the sample chart. I need to change it in the chart-pie-demo.js file
I already created the list ...
- 259
0
votes
0
answers
59
views
how to pause setInterval and resume if there is new data from database?
How to pause setInterval if all data from the database are loaded and resumes if there is new data from the database without manual page refresh? The problem with this if I will not use clearinterval()...
- 43
0
votes
1
answer
441
views
How do I import Chart.js Helper Functions in Django?
I am using chart.js with django and am receiving an error because I have not imported the chart.js helper functions getRelativePosition and getValueForPixel
initialize:178 Uncaught TypeError: Cannot ...
- 13
0
votes
1
answer
261
views
Changing the opacity of the colour on the Polar Area chart
I am using Chart.js to create a set of polar area charts, I want to change teh opacity of the colour used to display the data so it is slightly transparent.
Below you will find the code:
var totals = {...
- 23
1
vote
1
answer
1k
views
How do I remove the ticks or inner circles of my polar area chart Chart.js
I have written the code for my chart in Jquery and I am using the chart to display data on my Django Web Page, I want to remove the inner circles which I think are called ticks along with the small ...
- 23
0
votes
1
answer
114
views
unable to pass data from views to js file having chart js codes, shows unexpected syntax error
I am trying to make analytics for my webapp, where it whould show data from db graphically. I am using chart js for this. I am learning how to do it from youtube. Strangely they are not getting any ...
-1
votes
1
answer
245
views
Chartjs is not showing charts in my Django project
I am trying to visualize data in my Django project using Chartjs. right now I'm only concerned with the visualize part and not the backend stuff but for some strange reason the charts refuses to ...
0
votes
1
answer
75
views
How to Sum values from different objects in Django?
I want to calculate the workout volume of each user, and then append it so I can use the value in chart.js.
This is calculated by multiplying the reps, series, and weight of all exercises in all ...
- 625
0
votes
0
answers
188
views
django horizontal stacked bar chart
I hope you're all doing great.
I have been struggling to make a stacked horizontal bar chart here, I feel like I am not far off from the solution but I can't seem to find it.
Bar Chart code:
var ctx = ...
- 1
-1
votes
1
answer
74
views
Charts not being displayed in django app when using Chart.js 3.6 version
I have a Django application which has charts. They were implement in Chart.js 2.9 version. When I upgraded to Chart.js 3.6 version, I am unable to view the charts. I have check those charts in a ...
0
votes
1
answer
188
views
Display Charts based on year select in django
I am using django=3.0.0 as my backend. I have years in my database as a datetimefield and I want to put it as an option for my select button which will change the charts dynamically in chartjs.
Do I ...
1
vote
1
answer
39
views
Django ValueError The view todo_lists.views.visualisation didn't return an HttpResponse object. It returned None instead
everyone. I have views.py here, I want to calculate different status' tasks and output to chart.js pie-chart. I have tried many ways but none of them works. I have an error saying my views def didn't ...
- 57
0
votes
1
answer
91
views
Unable to see the lines in chart.js
I am trying to make a django website which will display a chart that is updated every 1sec. I dont know why but except for the lines everything else is getting update a snapshot of the graph with the ...
0
votes
1
answer
661
views
How to show data from views on chartjs in django?
I am making an app on Django at the moment and I don't know how to get the data from views to the chart properly. Here's my code for views:
def data(request):
nysestuff = nyse.objects.all()
...
- 37
0
votes
1
answer
240
views
Remove Decimal like " [Decimal('1220'), Decimal('160')] "from Django Queryset results
I have a queryset result which I would like to put into a list of Data and a list of Labels for Chart.js without showing Decimal.
In my view.py the following funtion based view is written:
labels = []
...
- 61