Add Spacing to CSS Only Pie Chart Slices: A Practical Solution
Pie charts rendered using CSS-only techniques provide an elegant solution for visualizing data. However, the absence of spacing between slices can diminish the chart's effectiveness. To address this issue and create a pie chart that resembles the provided image, follow these steps:
Step 1: Remove Unnecessary Clip-Path
The original code utilizes clip-path extensively, which introduces unnecessary complexity. Instead, create a simplified structure that revolves around absolute positioning and border-radius.
Step 2: Create a Container Div
Establish a container div that positions all slices centrally while concealing any overflowing areas using overflow: hidden.
Step 3: Absolute Positioned Slices
Within the container, position each slice absolutely and extend it to occupy the entire space available. Utilizing border-radius, ensure the slices appear circular.
Step 4: Define Border Width and Color
For each slice, define the border width and color using the border property. Utilize custom CSS variables (e.g., --c) to simplify the modification of border colors.
Step 5: Rotate Slices
Apply transform: rotate() to each slice to align them correctly along the circumference.
Example Code
Implement the following code to create a CSS-only pie chart with spacing between slices:
.palette {
height: 200px;
width: 200px;
position: relative;
overflow: hidden;
}
.palette > * {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
border: 50px solid var(--c, red);
border-radius: 50%;
clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 33.745%);
}
.color1 {
transform: rotate(72deg);
--c: blue;
}
.color2 {
transform: rotate(144deg);
--c: orange;
}
.color3 {
transform: rotate(-72deg);
--c: green;
}
.color4 {
transform: rotate(-144deg);
--c: purple;
}
<div class="palette"> <div class="color1"></div> <div class="color2"></div> <div class="color3"></div> <div class="color4"></div> </div>
With this code, you can now create a visually appealing CSS-only pie chart with clear spacing between slices.
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