What is a space-time cube?
Space-time cubes show how phenomena change over time within geographic space. In a space-time cube, each cube represents a slice of time. For example, top cubes have newer timestamps. By looking at the slices of time from bottom to top, you can see a temporal change in that geographic area.
What is space-time cube ArcGIS?
The Create Space Time Cube tool summarizes point datasets into a netCDF data structure by aggregating the points into space-time bins that form a cube. Each bin within the cube contains a count of the number of points that occurred at the bin location for the time-step interval specified.
What is space-time cube analysis?
Creating a space-time cube allows you to visualize and analyze your spatiotemporal data, in the form of time-series analysis, integrated spatial and temporal pattern analysis, and powerful 2D and 3D visualization techniques. When you aggregate using a fishnet or hexagon grid, a grid cube is created.
How do you make a space-time cube in ArcGIS?
Visualize the space-time cube in 3D
- Open ArcGIS Pro.
- Open a scene.
- Set the elevation surface to zero.
- Open the Visualize Space Time Cube in 3D tool.
- Choose a cube variable to explore.
- Choose a Display Theme option for the selected cube variable.
- Choose where to save the output features and click Run.
How do you make a space time cube?
A similar analysis can be done using the Create Space Time Cube By Aggregating Points tool in the Space Time Pattern Mining toolbox.
- Open the Create Space Time Cube tool.
- Select the input feature.
- Specify the location for the output space time cube.
- Select the time field from the drop-down list.
What is hot spot analysis Arcgis?
The hot spot analysis tool assesses whether high or low values (the number of crimes, accident severity, or dollars spent on sporting goods, for example) cluster spatially. The resultant field containing the number of events in each polygon becomes the Input Field for analysis.
What is space time data?
Spatiotemporal, or spatial temporal, is used in data analysis when data is collected across both space and time. It describes a phenomenon in a certain location and time — for example, shipping movements across a geographic area over time (see above example image).
How does hotspot analysis work?
Hotspot Analysis uses vectors to identify locations of statistically significant hot spots and cold spots in your data by aggregating points of occurrence into polygons or converging points that are in proximity to one another based on a calculated distance.
What is spatiotemporal mapping?
The spatio-temporal map is generated by mapping the values of a three-dimensional and time-evolving physical quantity into a two-dimensional space with spatial and temporal axes. Here, three-dimensional spatial information is condensed into one dimension by subdividing a target model with an octree.
What are spatiotemporal features?
How is a statistically significant hot spot determined?
To be a statistically significant hot spot, a feature will have a high value and be surrounded by other features with high values as well. When the FDR correction is applied, statistical significance is adjusted to account for multiple testing and spatial dependency.
What was the purpose of the time cube?
It was a self-published outlet for Ray’s theory of everything, called “Time Cube,” which claims that all modern sciences are participating in a worldwide conspiracy to teach lies, by omitting his theory’s alleged truth that each day actually consists of four days occurring simultaneously.
What does Ray rayhausen’s Time Cube say?
Ray’s personal model of reality, called “Time Cube,” states that all of modern physics and education is wrong, and argues that, among many other things, Greenwich Time is a global conspiracy.
Is there a home page for the time cube?
The Time Cube website had no home page. It consisted of a number of web pages that contained a single vertical centre-aligned column of body text in various sizes and colors, resulting in the main pages being extremely long. Finding any particular passage was almost impossible without manually searching.
When was the last time cube website archived?
Ray’s website domain names expired in August 2015, and Time Cube was last archived by the Wayback Machine on January 12, 2016 (January 10–14). The Time Cube website had no home page.
