graphic_representation

Description:

graphic representation

graphic_representation #
Easy graphic representation
This package will allow you to make graphic representations very quickly with Flutter



Installation #
In the dependencies: section of your `pubspec.yaml, add the following line:
dependencies:
graphic_representation: ^1.1.2
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Usage #
Import this class :
import 'package:graphic_representation/graphic_representation.dart';
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Example #
Class DiscreteGraphic #
Build a StatelessWidget : Container of defined size containing the graphic
The graphic can contain different elements :

Points if colorPoint is defined.
Lines if colorLine is defined.
Verticals bars if colorBox is defined.

DiscreteGraphic(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.35),
nums: [1, 2, 5, 3, 7, 13, 7],
listGradX: [
"Lun",
"Mar",
"Mer",
"Jeu",
"Ven",
"Sam",
"Dim",
],
colorAxes: Colors.black,
colorLine: Colors.blue,
strokeLine : 2.0,
colorPoint: Colors.blue,
radiusPoint: 3.0,
nbGradY: 9,
minY: 0,
maxY: 16,
)
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Class FunctionGraphic #
Build a StatelessWidget : Container of defined size containing the graphic
The graph represents the functions associated with the property functions and functionsXt / functionsYt for parametrized functions.
You can represent several functions on the same graph by filling in the corresponding lists.
FunctionGraphic(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.5),
functions: [(x) => exp(-x * x/8), (x) => sin(x) / x, (x) => sin(x/2)],
functionsXt: [],
functionsYt: [],
colorAxes: Colors.black,
colors: [Colors.purple, Colors.green, Colors.red],
nbGradX: 11,
minX: -10,
maxX: 10,
minY: -1,
maxY: 1,
strokeLine: 3.0,
)
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FunctionGraphic(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.35),
functions: [],
functionsXt: [(t) => sin(2*t)],
functionsYt: [(t) => sin(3*t)],
colorAxes: Colors.black,
colorsParam: [Colors.purple],
nbGradX: 11,
minT: -pi,
maxT: pi,
minX: -1,
maxX: 1,
minY: -1,
maxY: 1,
strokeLine: 3.0,
)
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Class CircularGraphic #
Build a StatelessWidget : Container of defined size containing the circular graphic
The graph represents data in the List nums
CircularGraphic(
context: context,
nums: [204, 180, 243, 231, 378, 798],
titles: [
"Lundi",
"Mardi",
"Mercredi",
"Jeudi",
"Vendredi",
"Samedi"
],
colors: [
Colors.blue,
Colors.purple,
Colors.yellow,
Colors.green,
Colors.red,
Colors.brown
],
showPourcentage: true,
colorsInfo: Colors.white,
)
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Class EccEcdGraphic #
Build a StatelessWidget : Container of defined size containing the ECC-ECD graphic
The graph represents data in the List numsX and numsY
EccEcdGraphic(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.6),
numsX: [0, 30, 15, 40, 50, 70, 130],
numsY: [0, 23, 117, 27, 18, 39, 350],
pourcentageMode: true,
nbGradX: 14,
nbGradY: 21,
showECC: true,
showECD: true,
colorECC: Colors.purple,
colorECD: Colors.brown,
strokeLine: 2.0,
showMedian: true,
colorMedian: Colors.black,
)
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Class TableValue #
Build a StatelessWidget : Container of defined size containing the Table value.
Display a table value with calculated value if f is provided.
TableValues(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.2),
functionName: 'x² + 1/x',
f: (x) => x*x + 1/x,
numsX: [-2, -1, 0, 1, 2],
fontSize: 12,
)
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Class TableSign #
Build a StatelessWidget : Container of defined size containing the Table sign
Display a table sign.
TableSign(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.3),
rowsLabels: [
["x", "-∞", "-1", "0,5", "1", "+∞"],
["x - 0,5", "-", "-/0", "+", "+"],
["x - 1", "-", "-", "-/0", "+"],
["x + 1", "-/0", "+", "+", "+"],
["f(x)", "-/NAN", "+/0", "-/NAN", "+"],
],
fontSize: 18.0,
)
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Class TableVariation #
Build a StatelessWidget : Container of defined size containing the variation table.
Display a variation table.
TableVariation(
size: Size(MediaQuery.of(context).size.width,
MediaQuery.of(context).size.height * 0.3),
rowsLabels: [
["x", "-∞", "-1", "1", "3", "+∞"],
["f '(x)", "+/0", "-/NAN", "-/0","+"],
["f(x)", "-∞/P0", "-5/P2", "-∞/P0/+∞/P2/NAN","3/P0","+∞/P2"]
],
fontSize: 18.0,
strokeWidth: 1.5,
)
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Buy me a coffee #