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I am currently trying to make heatmaps of bird observations in an area. I have had a lot of success making the actual heatmaps for most birds, except the ones that are extremely abundant. I use the heatmaps to find density of the birds per acre at a given point, so it's important for me to get all of the birds on a map. I was wondering if anyone has had experience with making heatmaps from numerous, dense points? What do you need to do differently to get it to show up?

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    Please clarify "numerous": how many points are you dealing with? Also, how do you create the heatmap (since there are multiple possibilities)? – underdark Aug 1 '15 at 21:54
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You can use the heatmap option from the layer property.

enter image description here Just double click on the layers' name then on the dialog box select Style--->Heatmap

enter image description here

This is my result:

enter image description here

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