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Articles tagged with #spatial
Today we’ll take a closer look at functions like SDO_ANYINTERACT, SDO_RELATE, and SDO_INSIDE. I’m not going to rewrite the documentation or explain all the differences between them - definitely not! Instead, I want to focus on one interesting case th...
In our previous article, we explored how map projections work - and why Greenland looks much bigger than it really is. We saw how projecting a round Earth onto a flat map always causes some distortion, just like trying to flatten an orange peel onto ...
When working with maps in Oracle APEX, we often assume that what we see reflects reality. But surprisingly, what you see on a map might be very far from the truth. Let’s take an example: on many world maps, Greenland looks almost as big as Africa - s...
Some time ago, I wrote about how to add custom layers to your Map Region in Oracle APEX using MapLibre. You can find more details in that article. If you already know how to display custom layers, it’s time to take it a step further - let’s learn how...
Performance. We often want to display a large dataset on our map. This is not a problem. However, we want to do it within a time frame that is acceptable to the user, and this can be a challenge. In this article, I will present a solution that can ef...
What are layers? What types of layers can we define in a map region? What attributes do layers have, and how can we customize them? I wrote about all this here. In this article, we will look at layers from a slightly different perspective. As we alre...
