r - Plotting surfaces with contour map in 3D over triangles
![r - Plotting surfaces with contour map in 3D over triangles](https://i.stack.imgur.com/3eOzj.png)
The example code here for rgl does almost what I want. However my (x,y) are not in a rectangle but in a triangle that is half of the rectangle (x=0..1, y=0..1 and z is missing if x+y>1). My input
![](https://media.geeksforgeeks.org/wp-content/uploads/20230426160535/val.png)
How to Add a permanent contour line to a surface plot in R plotly - GeeksforGeeks
![](https://i.ytimg.com/vi/FKXZzoG0g3Q/maxresdefault.jpg)
Graph a Contour Plots (Level Curves) Using 3D Calc Plotter
![](https://i.stack.imgur.com/bqQoD.jpg)
Is there a way to create a 3d plot with contours beneath the plot in R? - Stack Overflow
![](https://media.geeksforgeeks.org/wp-content/uploads/20200402003517/3dc-for-cosine.jpg)
3D Contour Plotting in Python using Matplotlib - GeeksforGeeks
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Contour3D.jpg/290px-Contour3D.jpg)
Contour line - Wikipedia
Solved: Help in plotting the RSM contour plot similar to the output in MINITAB (jmp 17 - JMP User Community
![](https://python-charts.com/en/correlation/3d-surface-plot-matplotlib_files/figure-html/3d-surface-plot-matplotlib.png)
3D surface plot in matplotlib
![](https://i0.wp.com/www.r-bloggers.com/wp-content/uploads/2010/05/surface-lattice-300x300.jpg?resize=300%2C300&ssl=1)
Creating surface plots
![](https://reference.wolfram.com/language/ref/Files/ListSliceContourPlot3D.en/O_13.png)
ListSliceContourPlot3D—Wolfram Language Documentation
![](https://i2.wp.com/finnstats.com/wp-content/uploads/2021/08/3D-Plot-in-R-Ticktype.png?w=450&ssl=1)
3D Plot in R Programming-Quick Guide
![](https://preview.redd.it/doiheagu15b71.png?width=500&format=png&auto=webp&s=d040a77aa8b523aa72565c78c4f34efbd164ef6d)
Heatmaps and different color maps for surface plot : r/geogebra
![](https://d2mvzyuse3lwjc.cloudfront.net/doc/en/UserGuide/images/Creating_Contour_Graphs/A_Note_about_Contour_Graphs-01.png?v=22698)
Help Online - Origin Help - Creating Contour Graphs