Apr 25, 2020 · The following instructions describe how to set the transparency of a polygon feature in a web map using ArcGIS API for JavaScript. Insert the following code snippet into …

Mar 7, 2010 · Is there a way to use JavaScript to convert a PNG's white background to a transparent background?

Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the …

Nov 8, 2024 · To make a background transparent using JavaScript, you can modify the CSS styles of an element by changing its backgroundColor property. Here’s a simple example that …

The opacity-level of an element describes the transparency-level, where 1 is not transperant at all, 0.5 is 50% see-through, and 0 is completely transparent.

Layers with lots of overlapping features can be effectively visualized by setting a highly transparent symbol on all features (at least 90-99 percent transparency works best). This is …

Jul 1, 2024 · Fill symbols are used to draw polygon features on the graphics layer. SimpleFillSymbol can be solid, transparent, or one of several cross hatch patterns. In addition, …

Jan 2, 2011 · Is it possible to set a transparent color for images loaded in HTML5? I would be looking for something similar to the setColorKey() function available in SDL. This would be …

Symbols define graphic's appearance, including fill color or pattern, border width and transparency. The ArcGIS API for JavaScript includes many symbol classes and each allows …

Aug 22, 2014 · You can change the transparency of the color you assign different graphics. var trans = Math.random(); // lineSymbol used for freehand polyline, polyline and line. var …