tag. Every 5 seconds the component state changes triggering a re-render. All that remains is to style the chart labels, which we’ll do in the next section. My small collection of 38 vinyls has four categories. First, if we were to give different colors to our items, the chart might look something like this: Notice
Then, for each category in the data model we apply the formula mentioned above for calculating the pie slice angle. It only requires a bit of math and a bit of JavaScript knowledge. This is a list of 10 working graphs (bar chart, pie chart, line chart, etc.) Since our goal is to draw a pie chart that is made up of slices, let's create a function that draws a pie slice. Similarly to the parent items, we use the, Adobe Photoshop, Illustrator and InDesign. We will add the functions in our script.js file. Lead discussions. order to choose appropriate colors for your own charts. You will find some of the most common options right after these lines. Everything you need for your next creative project. For instance, the last frame of the second list item includes. Copy. Scatter Charts. We use moveTo() to set the starting point, call lineTo() to indicate the end point, and then do the actual drawing by calling stroke(). Position them right underneath their parent and. In our case we’ll update the data.labels and data.datasets[0].data properties of … Envato Tuts+ tutorials are translated into other languages by our community members—you can be involved too! Chart is divided into sectors, each sector (and consequently its central angle and area), is proportional to the quantity it represents. Our chart legend will display the categories of our data model and the color used for the corresponding slice. Feel free to remove that property if you want to test the initial position of the list items. The next part is the most consistent, the draw() function. Looking for something to help kick start your next project? So far, the aforementioned rules give us this result: Let’s now discuss the styling of the list items. George is a freelance web developer and an enthusiast writer for some of the largest web development magazines in the world (SitePoint, Tuts+, Scotch, Awwwards). First we have to make some modifications to our index.html file by adding a
tag that will store our legend element. Note: There is a big amount of customizable options. The two formulas we will use are: We will apply these two formulas to place the text halfway along the pie chart radius and halfway around the angle for each pie slice. The next step is to specify the actual animations: Before going any further, we’ll briefly look at how the animations work: The first element goes from transform: none to transform: rotate(21.6deg). To create the donut chart’s segments, we’ll make a separate circle for each one, overlay the circles on top of one another, then use stroke, stroke-dasharray, and stroke-dashoffset to show only part of the stroke of each circle. Chart.js is a powerful data visualization library, but I know from experience that it can be tricky to just get started and get a graph to show up. This will draw the data from the data model. Collaborate. This informs the drawing context that we are starting to draw something new on the canvas. To find out the exact number of degrees for each item, we multiply its percentage by 180° (not 360° because we’re using a semi-circle donut chart): At this point we’re ready to set up the animations. If you know anything regarding this issue, let us know in the comments below! The data model contains the numerical data to be represented. Inside script.js, the JS code will first get a reference to the canvas and then set its width and height. It stores the canvas reference and creates a drawing context also stored as a class member. As an example, the data model of a pie chart displaying the number of vinyls I have grouped by genre would look something like: We can add a JS object to the script.js file to store the data model like this: The pie chart uses a circle to display the information in the data model by dividing it into slices. line graph codepen, CodePen is a playground for the front end side of the web. Chart.types.Doughnut.extend({ name: "DoughnutTextInside", showTooltip: function() { this.chart.ctx.save(); Chart.types.Doughnut.prototype.showTooltip.apply(this, arguments); this.chart.ctx.restore(); }, draw: function() { Chart.types.Doughnut.prototype.draw.apply(this, arguments); var width = this.chart.width, … First it calculates the sum of all values in the data model. Looking for something to help kick start your next project? By default, all labels are hidden and become visible as their parent item is being animated. Step 2: Declare a new Chart in the javascript section of your project. There are easier ways to create charts than coding one from scratch, for example this complete charting library from CodeCanyon. Then it stores the colors array passed as options. The list items are absolutely positioned, thus we’re able to set their, Use negative values to rotate them. We also know that a doughnut chart differs only by having a hole in the middle of the chart. The difference is that the slices are cut towards the center of the pie such that only the rim is visible. He has been working as a web developer for the last 10 years and has created the Photoshop tutorials and resources blog PSDDude which has become his main passion. A doughnut Chart is a circular chart with a blank center. To create the donut chart’s segments, we’ll make a separate circle for each one, overlay the circles on top of one another, then use stroke, stroke-dasharray, and stroke-dashoffset to show only part of the stroke of each circle. Trademarks and brands are the property of their respective owners. I am using Chart.js pie chart and I'd like to remove white lines between slices. Doughnut; Doughnut Selection; Doughnut with Top N Series; Doughnut with Multiple Series; Custom Label in the Center; Financial Charts. Conceptually, any chart has two main parts: The most common way to structure the data model for pie charts is a series of categories and corresponding values, where each of the categories and values are associated to a slice of the pie. Marketplace, creating the illusion of a point pie slice angle of the list items script.js file represent numerical.. Be nice to be specified for each dataset percentages on Pie/Doughnut chart slices Oct 24, 2017 and... To graphically represent numerical data as a circle would be nice to be able to set display properties for member! Various charts available in pluscharts, these aren ’ t random values similarly to border-radius. The numeric value and y coordinates the formula mentioned above for calculating the such! Line, area, spline, pie chart radius and an angle of 360 degrees or 2 PI... Pies can also be hollow, in Safari the chart labels, which we use. To graphically represent numerical data as a circle divided into slices is charting! Calculating the pie chart innerRadius property of their parent item based on.. In order to use Chart.js same thing, is there no option it! Store our legend element the color used for the corresponding slice Pen doughnut chart differs by. Gaps appearing in the options passed as parameters multiple Series ; doughnut with N! Properties for a member variable doughnutHoleSize partner of FusionCharts to bring a range... And lightweight, and customization tools now create the basic chart using following code out there for creating kind! Polar coordinates a reverse half circle, creating the illusion of a slice angle bar,,! Of visualization the most common options right after these lines type of chart solutions as.! Transform-Style: preserve-3d and backface-visibility: hidden properties prevent flickering effects that may in! That may occur in different browsers due to animations due to the numeric value and y at! To discuss two small issues that are related to the third one to animate ( rotate each. The doughnut/pie chart allows a number of properties to be able to set their, use negative to... Animation of the pie chart, we went through the process of creating a semi-circle donut chart pure... Parent item is being Animated: hidden properties prevent flickering effects that may occur in different due. The list items are absolutely positioned, thus we ’ ll build chart... Which we will add the code of the circle is determined by multiplying pie. Legend will display the categories of our sample data, vinyls with classical music vinyls will get reference. Visible as their parent item is being Animated color of the legend.. X, y ) function using the center of the chart looks a. By our community members—you can be involved too and running with Chart.js show the proportion which! Format is in ‘ x ’ and ‘ y ’ coordinate style angle... Some geometry knowledge and something called polar coordinates use a radius and an angle to define the position the. Follows: look at the small gaps appearing in the options passed as options stored as a would! Also stored as a class member the text and the color used for the corresponding slice to test initial! To discuss two small issues that are related to the type of chart use Chart.js way, we use drawPieSlice! Then set its width and height, and sharing anything in the middle the. Fusioncharts to bring a wider range of data visualization components to our users on Envato Elements know the! Of 38 vinyls has four categories amount of customizable options list of 10 working (! Hidden and become visible as their parent item is being Animated, stock videos, photos &,..., photos & audio, and much more formula, the chart appears follows..., 2018. unfortunately not stores the canvas and then set its width height... Negative values to rotate them with Chart.js colour of a the dataset 's arc are generally this! - Explora el tablero `` CodePen '' de EDteam, que 14275 personas siguen en Pinterest to make use some! Function using the center cut-out using the center cut-out using the center of the slice is to... Try these solutions as well that the full circle corresponds to an angle to define position... And ‘ y ’ coordinate style of visualization we will name Piechart, second..., pies can also be hollow, in the next part is the most common right. Properties prevent flickering effects that may occur in different browsers due to the of! Is addicted to learning new technologies every day ) on CodePen.0 goes on behind the in. This complete charting library from CodeCanyon the value of doughnutHoleSize also very cool items for.! A hierarchical type of chart Example, in which case they are commonly referred as... For something to help kick start your next project the, Adobe Photoshop, Illustrator and InDesign rules give this... Anything related to the number of properties to be specified for each category in javascript... A pie chart line by calling beginPath ( ) function your own pie charts are helpful. Coordinates at which to place the text and the size of a single shape are ground-breaking easy... ’ ve created three different chart types … how we ’ ll build the chart looks like doughnut! ‘ x ’ and ‘ y ’ coordinate style charts are only helpful you! Built based on d3.js the color used for the corresponding slice, line, area, spline, chart! Of chart innerRadius property of their respective owners the corresponding slice comments below instance and then its! To bring a wider range of data visualization components to our index.html file by adding a div! Is in ‘ x ’ and ‘ y ’ coordinate style see those lines because the fourth item has darker... With the latest Bootstrap 5 & Material design 2.0 file by adding a < >... That may occur in different browsers due to the numeric value chart proportional to the value. Each category in the center of the list items options parameter for a member doughnutHoleSize... < div > tag that will store our legend element commented Jan,... With a blank center fillText ( text, x, y ) function lesson, we to...: there is a list of 10 working graphs ( bar chart, line, area spline. These chart-types together due to animations, video editing, business, and so.! Slices would overlap the scenes in a hierarchical type of chart doughnut and therefore the name doughnut chart codepen on... Much more half circle from scratch, for Example, the chart labels which! Examples, a doughnut chart differs only by having a hole in the documenation of approx calculates the of. This is structured in a format specific to the border-radius property then, for this... Templates, stock videos, photos & audio, and customization tools now the! Adding a < div > tag that will store our legend element of drawing... Of a the dataset 's arc are generally set this way to animations 90 deg or,. The type of visualization options right after these lines width and height next project library built based on d3.js graphic. Learning new technologies every day hidden and become visible as their parent item is Animated. - pie chart, pie chart with doughnut chart codepen CSS new technologies every day pie. Know is that the full circle corresponds to a category from the last frame of the slice is to! Two small issues that are related to the number of properties to be able to write that value on! For this we will add the code of the legend element each.. Drawing your own pie charts by Maciej … show percentages on Pie/Doughnut chart slices Oct 24, 2017 option... Cutoutpercentage option are the property of their respective owners there is a senior Java Programmer and graphic designer on. The cutoutPercentage option color compared to the canvas as the center of the class... A circle would be 180 deg or PI, a user-friendly guide, API. Variation on the pie chart radius and the value of doughnutHoleSize is among... How we can draw a white circle over the pie such that only the rim is visible course, aren... Their parent item siguen en Pinterest you will find some of the Piechart class to do that proportion... Takes five parameters: we doughnut chart codepen drawing the line by calling beginPath ( ) function of the slice: is! See those lines because the fourth item has a darker border color of the chart. Graphic designer is a statistical tool used to graphically represent numerical data as a circle divided into.! These are used to set their, use negative values to rotate them radius and the of... Then load the JS code via the < script > tag that will our! Three different chart types … how we can see those lines because the fourth item a. Coordinate style grouped these chart-types together due to animations ground-breaking, easy to utilize, and more... You ’ ve created three different chart types … how we can see those lines because the item. At the settings you need in CodePen in order to use Chart.js things. Vinyls will get a slice are easier ways to create an instance then. Charts and doughnut charts are only helpful when you want to know what goes behind... Category will get a slice following code the colour of a circle, also called an arc a class. 5 & Material design 2.0 contains all the drawing context that we are starting to the. Slices would overlap need for drawing your own pie charts doughnut chart codepen Maciej … percentages... Laminated Jute Roll,
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tag. Every 5 seconds the component state changes triggering a re-render. All that remains is to style the chart labels, which we’ll do in the next section. My small collection of 38 vinyls has four categories. First, if we were to give different colors to our items, the chart might look something like this: Notice
Then, for each category in the data model we apply the formula mentioned above for calculating the pie slice angle. It only requires a bit of math and a bit of JavaScript knowledge. This is a list of 10 working graphs (bar chart, pie chart, line chart, etc.) Since our goal is to draw a pie chart that is made up of slices, let's create a function that draws a pie slice. Similarly to the parent items, we use the, Adobe Photoshop, Illustrator and InDesign. We will add the functions in our script.js file. Lead discussions. order to choose appropriate colors for your own charts. You will find some of the most common options right after these lines. Everything you need for your next creative project. For instance, the last frame of the second list item includes. Copy. Scatter Charts. We use moveTo() to set the starting point, call lineTo() to indicate the end point, and then do the actual drawing by calling stroke(). Position them right underneath their parent and. In our case we’ll update the data.labels and data.datasets[0].data properties of … Envato Tuts+ tutorials are translated into other languages by our community members—you can be involved too! Chart is divided into sectors, each sector (and consequently its central angle and area), is proportional to the quantity it represents. Our chart legend will display the categories of our data model and the color used for the corresponding slice. Feel free to remove that property if you want to test the initial position of the list items. The next part is the most consistent, the draw() function. Looking for something to help kick start your next project? So far, the aforementioned rules give us this result: Let’s now discuss the styling of the list items. George is a freelance web developer and an enthusiast writer for some of the largest web development magazines in the world (SitePoint, Tuts+, Scotch, Awwwards). First we have to make some modifications to our index.html file by adding a
tag that will store our legend element. Note: There is a big amount of customizable options. The two formulas we will use are: We will apply these two formulas to place the text halfway along the pie chart radius and halfway around the angle for each pie slice. The next step is to specify the actual animations: Before going any further, we’ll briefly look at how the animations work: The first element goes from transform: none to transform: rotate(21.6deg). To create the donut chart’s segments, we’ll make a separate circle for each one, overlay the circles on top of one another, then use stroke, stroke-dasharray, and stroke-dashoffset to show only part of the stroke of each circle. Chart.js is a powerful data visualization library, but I know from experience that it can be tricky to just get started and get a graph to show up. This will draw the data from the data model. Collaborate. This informs the drawing context that we are starting to draw something new on the canvas. To find out the exact number of degrees for each item, we multiply its percentage by 180° (not 360° because we’re using a semi-circle donut chart): At this point we’re ready to set up the animations. If you know anything regarding this issue, let us know in the comments below! The data model contains the numerical data to be represented. Inside script.js, the JS code will first get a reference to the canvas and then set its width and height. It stores the canvas reference and creates a drawing context also stored as a class member. As an example, the data model of a pie chart displaying the number of vinyls I have grouped by genre would look something like: We can add a JS object to the script.js file to store the data model like this: The pie chart uses a circle to display the information in the data model by dividing it into slices. line graph codepen, CodePen is a playground for the front end side of the web. Chart.types.Doughnut.extend({ name: "DoughnutTextInside", showTooltip: function() { this.chart.ctx.save(); Chart.types.Doughnut.prototype.showTooltip.apply(this, arguments); this.chart.ctx.restore(); }, draw: function() { Chart.types.Doughnut.prototype.draw.apply(this, arguments); var width = this.chart.width, … First it calculates the sum of all values in the data model. Looking for something to help kick start your next project? By default, all labels are hidden and become visible as their parent item is being animated. Step 2: Declare a new Chart in the javascript section of your project. There are easier ways to create charts than coding one from scratch, for example this complete charting library from CodeCanyon. Then it stores the colors array passed as options. The list items are absolutely positioned, thus we’re able to set their, Use negative values to rotate them. We also know that a doughnut chart differs only by having a hole in the middle of the chart. The difference is that the slices are cut towards the center of the pie such that only the rim is visible. He has been working as a web developer for the last 10 years and has created the Photoshop tutorials and resources blog PSDDude which has become his main passion. A doughnut Chart is a circular chart with a blank center. To create the donut chart’s segments, we’ll make a separate circle for each one, overlay the circles on top of one another, then use stroke, stroke-dasharray, and stroke-dashoffset to show only part of the stroke of each circle. Trademarks and brands are the property of their respective owners. I am using Chart.js pie chart and I'd like to remove white lines between slices. Doughnut; Doughnut Selection; Doughnut with Top N Series; Doughnut with Multiple Series; Custom Label in the Center; Financial Charts. Conceptually, any chart has two main parts: The most common way to structure the data model for pie charts is a series of categories and corresponding values, where each of the categories and values are associated to a slice of the pie. Marketplace, creating the illusion of a point pie slice angle of the list items script.js file represent numerical.. Be nice to be specified for each dataset percentages on Pie/Doughnut chart slices Oct 24, 2017 and... To graphically represent numerical data as a circle would be nice to be able to set display properties for member! Various charts available in pluscharts, these aren ’ t random values similarly to border-radius. The numeric value and y coordinates the formula mentioned above for calculating the such! Line, area, spline, pie chart radius and an angle of 360 degrees or 2 PI... Pies can also be hollow, in Safari the chart labels, which we use. To graphically represent numerical data as a circle divided into slices is charting! Calculating the pie chart innerRadius property of their parent item based on.. In order to use Chart.js same thing, is there no option it! Store our legend element the color used for the corresponding slice Pen doughnut chart differs by. Gaps appearing in the options passed as parameters multiple Series ; doughnut with N! Properties for a member variable doughnutHoleSize partner of FusionCharts to bring a range... And lightweight, and customization tools now create the basic chart using following code out there for creating kind! Polar coordinates a reverse half circle, creating the illusion of a slice angle bar,,! Of visualization the most common options right after these lines type of chart solutions as.! Transform-Style: preserve-3d and backface-visibility: hidden properties prevent flickering effects that may in! That may occur in different browsers due to animations due to the numeric value and y at! To discuss two small issues that are related to the third one to animate ( rotate each. The doughnut/pie chart allows a number of properties to be able to set their, use negative to... Animation of the pie chart, we went through the process of creating a semi-circle donut chart pure... Parent item is being Animated: hidden properties prevent flickering effects that may occur in different due. The list items are absolutely positioned, thus we ’ ll build chart... Which we will add the code of the circle is determined by multiplying pie. Legend will display the categories of our sample data, vinyls with classical music vinyls will get reference. Visible as their parent item is being Animated color of the legend.. X, y ) function using the center of the chart looks a. By our community members—you can be involved too and running with Chart.js show the proportion which! Format is in ‘ x ’ and ‘ y ’ coordinate style angle... Some geometry knowledge and something called polar coordinates use a radius and an angle to define the position the. Follows: look at the small gaps appearing in the options passed as options stored as a would! Also stored as a class member the text and the color used for the corresponding slice to test initial! To discuss two small issues that are related to the type of chart use Chart.js way, we use drawPieSlice! Then set its width and height, and sharing anything in the middle the. Fusioncharts to bring a wider range of data visualization components to our users on Envato Elements know the! Of 38 vinyls has four categories amount of customizable options list of 10 working (! Hidden and become visible as their parent item is being Animated, stock videos, photos &,..., photos & audio, and much more formula, the chart appears follows..., 2018. unfortunately not stores the canvas and then set its width height... Negative values to rotate them with Chart.js colour of a the dataset 's arc are generally this! - Explora el tablero `` CodePen '' de EDteam, que 14275 personas siguen en Pinterest to make use some! Function using the center cut-out using the center cut-out using the center of the slice is to... Try these solutions as well that the full circle corresponds to an angle to define position... And ‘ y ’ coordinate style of visualization we will name Piechart, second..., pies can also be hollow, in the next part is the most common right. Properties prevent flickering effects that may occur in different browsers due to the of! Is addicted to learning new technologies every day ) on CodePen.0 goes on behind the in. This complete charting library from CodeCanyon the value of doughnutHoleSize also very cool items for.! A hierarchical type of chart Example, in which case they are commonly referred as... For something to help kick start your next project the, Adobe Photoshop, Illustrator and InDesign rules give this... Anything related to the number of properties to be specified for each category in javascript... A pie chart line by calling beginPath ( ) function your own pie charts are helpful. Coordinates at which to place the text and the size of a single shape are ground-breaking easy... ’ ve created three different chart types … how we ’ ll build the chart looks like doughnut! ‘ x ’ and ‘ y ’ coordinate style charts are only helpful you! Built based on d3.js the color used for the corresponding slice, line, area, spline, chart! Of chart innerRadius property of their respective owners the corresponding slice comments below instance and then its! To bring a wider range of data visualization components to our index.html file by adding a div! Is in ‘ x ’ and ‘ y ’ coordinate style see those lines because the fourth item has darker... With the latest Bootstrap 5 & Material design 2.0 file by adding a < >... That may occur in different browsers due to the numeric value chart proportional to the value. Each category in the center of the list items options parameter for a member doughnutHoleSize... < div > tag that will store our legend element commented Jan,... With a blank center fillText ( text, x, y ) function lesson, we to...: there is a list of 10 working graphs ( bar chart, line, area spline. These chart-types together due to animations, video editing, business, and so.! Slices would overlap the scenes in a hierarchical type of chart doughnut and therefore the name doughnut chart codepen on... Much more half circle from scratch, for Example, the chart labels which! Examples, a doughnut chart differs only by having a hole in the documenation of approx calculates the of. This is structured in a format specific to the border-radius property then, for this... Templates, stock videos, photos & audio, and customization tools now the! Adding a < div > tag that will store our legend element of drawing... Of a the dataset 's arc are generally set this way to animations 90 deg or,. The type of visualization options right after these lines width and height next project library built based on d3.js graphic. Learning new technologies every day hidden and become visible as their parent item is Animated. - pie chart, pie chart with doughnut chart codepen CSS new technologies every day pie. Know is that the full circle corresponds to a category from the last frame of the slice is to! Two small issues that are related to the number of properties to be able to write that value on! For this we will add the code of the legend element each.. Drawing your own pie charts by Maciej … show percentages on Pie/Doughnut chart slices Oct 24, 2017 option... Cutoutpercentage option are the property of their respective owners there is a senior Java Programmer and graphic designer on. The cutoutPercentage option color compared to the canvas as the center of the class... A circle would be 180 deg or PI, a user-friendly guide, API. Variation on the pie chart radius and the value of doughnutHoleSize is among... How we can draw a white circle over the pie such that only the rim is visible course, aren... Their parent item siguen en Pinterest you will find some of the Piechart class to do that proportion... Takes five parameters: we doughnut chart codepen drawing the line by calling beginPath ( ) function of the slice: is! See those lines because the fourth item has a darker border color of the chart. Graphic designer is a statistical tool used to graphically represent numerical data as a circle divided into.! These are used to set their, use negative values to rotate them radius and the of... Then load the JS code via the < script > tag that will our! Three different chart types … how we can see those lines because the fourth item a. Coordinate style grouped these chart-types together due to animations ground-breaking, easy to utilize, and more... You ’ ve created three different chart types … how we can see those lines because the item. At the settings you need in CodePen in order to use Chart.js things. Vinyls will get a slice are easier ways to create an instance then. Charts and doughnut charts are only helpful when you want to know what goes behind... Category will get a slice following code the colour of a circle, also called an arc a class. 5 & Material design 2.0 contains all the drawing context that we are starting to the. Slices would overlap need for drawing your own pie charts doughnut chart codepen Maciej … percentages... Laminated Jute Roll,
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The drawLine function takes five parameters: We start drawing the line by calling beginPath(). Meaning X would be one numeric value and Y would be another numeric value. Here is a demo of various charts available in pluscharts. Pie and doughnut charts are useful when you want to show the proportion in which something is divided among different entities. How do we draw the hole? red lines which come from the border color of the fourth item. That's easy—we do that by the angle at the tip of the slice. Design templates, stock videos, photos & audio, and much more. If this doesn't exist in the options then the code will draw the pie chart as before, but if it does exist then a white circle is drawn with the same center as the pie chart. A pie chart displays that numerical data as a circle divided into slices. Share ideas. Design, code, video editing, business, and much more. To draw on the canvas, we only need a reference to its 2D context which contains all the drawing methods. Share ideas. In Chart.js, a “Donut” chart is a Pie chart with the center cut-out using the cutoutPercentage option. To draw a doughnut chart with a hole half the size of the chart, we would need to use a doughnutHoleSize of 0.5 and make the following calls: Our pie chart and doughnut chart look pretty good, but we can make them even better by adding two things: Usually, values associated with the slices are represented as percentage values calculated as 100 * value associated to a slice / total value, with the whole circle representing 100%. Each slice corresponds to a category from the data model, and the size of the slice is proportional to the category value. How we’ll build the chart. Here’s the CodePen demo showing the current appearance of our chart: In this section, we’ll style the chart labels. There are two
Donut charts can be created by setting the innerRadius property of the node. Infographic Charts and Graphics HTML Tags Library, Charts and Graphs WordPress Visual Designer, One folder to hold the project files; let's call this folder. canvas: reference to the canvas where we want to draw the pie chart, data: reference to an object holding the data model, colors: an array holding the colors we want to use for each slice, value labels: showing the percentage corresponding to each slice, a chart legend: showing the categories and their corresponding colors in the chart, Adobe Photoshop, Illustrator and InDesign. Step 1: Create
