![]() ![]() This journey of making a masterpiece started in 1814 when some experiments were conducted on the topic of ‘light polarization’ by Sir David Brewster. It has been a source of creativity for designers to design various pallets, has been a toy with which all of us have played and it’s an integral part of our childhood memories, for jewellers it has led to the making of marvellous designs. Since the time of its invention by Sir David Brewster, there are various functions that have been fulfilled by the kaleidoscope. ![]() The tubes with mirrors are magic and art on their own. The kaleidoscope opens a way of imagination, travel, and creating designs. If we place the inclined mirrors at 60 degrees, a symmetrical hexagonally pattern forms six regularly placed images. Each mirror is needed to be inclined at right angles so that each image is reflected in the other mirror forming an appearance of four symmetrically placed objects. When we place an object in between these two mirrors an image is formed. The designs/images are formed due to the inclined mirrors. The kaleidoscope is usually sold as a toy and has value for the designs. A Scottish inventor, David Brewster, invented the kaleidoscope in 1817 and patented it in 1817. The term 'kaleidoscope' is derived from the Ancient Greek words known as 'kalos' which means beauty, 'eidos' means something that is seen and 'skopeo' which means to look. The tube, which has reflecting surfaces, contains coloured pieces of glass, and if we rotate the tube, we see that symmetrical images are created. This happens due to the phenomenon of repeated reflection. ![]() Var slider = document.As an optical instrument, a kaleidoscope contains two or more reflecting surfaces tilted towards each other at a certain angle for obtaining a symmetrical pattern when viewed from the other end. Instructions: Slide the control to adjust the kaleidoscope angle.įor all available filters go to Filters Documentation. To create a kaleidoscope with Konva, we can use the įilter and set the kaleidoscopePower and kaleidoscopeAngle properties. Then apply filter with filters() function. To apply filter to an Konva.Image, we have to cache it first with cache()įunction. Getting Started Intro Overview Need help? Support Konva Tools Shapes Rect Circle Ellipse Wedge Line - Simple Line Line - Polygon Line - Spline Line - Blob Sprite Image Text TextPath Star Ring Arc Label Path RegularPolygon Arrow Custom Guides Position vs Offset Tainted Canvas Issue Styling Fill Stroke Opacity Shadow Line Join Hide and Show Mouse Cursor Style Blend Mode Fill Stroke Order Events Binding Events Mobile Events Pointer Events Desktop and Mobile Event Mobile Scrolling Multi Event Remove Event Remove by Name Listen for Events Cancel Propagation Event Delegation Fire Events Stage Events Custom Hit Region Image Hit Region Keyboard Events Desktop and Mobile Drag and Drop Drag and Drop Drag an Image Drag a Group Drag a Line Drag a Stage Drag Events Simple Drag Bounds Complex Drag and Drop Drop Events Select and Transform Basic demo Centered Scaling Keep Ratio Styling Transform Events Resize Limits Rotation Snaps Resize Snaps Stop Transform Force Update Text Resizing Ignore Stroke Clipping Simple Clip Complex Clip Groups, Layers and Ordering Groups Layering Change Containers zIndex Filters Blur Brighten Contrast Emboss Enhance Grayscale HSL HSV RGB Invert Kaleidoscope Mask Noise Pixelate Custom Filter Multiple Filters Tweens Linear Easing Common Easings All Easings Finish Event All Controls Tween Filter Complex Tweening Animations Create an Animation Moving Rotation Scaling Stop Animation Selectors Select by id Select by Type Select by Name Data & Serialization & Export Serialize a Stage Simple Load Complex Load JSON Best Practices Stage Data URL Export to HD Image Performance All tips Layer Management Batch Draw Shape Caching Optimize Animation Optimize Strokes Shape Redraw Disable Perfect Drawing Listening False Avoid Memory Leaks
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