Zooming in decreases the number of clusters formed, and individual markers are displayed again. As you zoom out, the map will consolidate the markers into these clusters that will display a number indicating how many markers it contains. Using marker clusters is the most obvious thing to do for optimization. Since this issue becomes more prevalent at different levels of zoom, the answer is also found in how to manage the data at these levels. Let’s take a look at the technique that can be used to improve the performance of maps with large datasets. What was a useful tool now becomes a point of frustration for visitors to your site. As you zoom out and more markers try to load, your map can slow to a crawl. When that data is spread across a large geographic area, the issue can be compounded.

When you have a huge dataset to display on Google Maps, the performance tends to slow down. There’s a lot of versatility in its uses, but depending on how much you’re asking it to do, the results might not be optimal. This is the most complicated option but it is still pretty easy to do, you just add two parameters to the url.Google Maps is an almost ubiquitous tool and can be incredibly useful to integrate into your site. will give Label, Fill Color, Stroke Color and Label Color

Where LABEL is the text you want on your marker (gives better results with just one letter or number) and COLOR is your color:

If you want add a Label to your marker and change the color here is the url you would use as source Where COLOR is the color you want as a RGB hexadecimal number. If you just want the usual Google Marker but with a different color, here is how you do it.Īs the source of you're image use the following url: Now this website provide a simple API to generate a majority of the markers / icon you might need without having to download something or put a file on your server. Now there exist some solutions on the web to do so programaticaly, but they are all complicated or they required you download something. Well I was pretty annoyed that while working with Google Maps, everytime you need a marker of a different color fill, different color stroke or a different label you have to go in Photoshop to make a new image.

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