python Programming Glossary: projection

Python/matplotlib : plotting a 3d cube, a sphere and a vector?

http://stackoverflow.com/questions/11140163/python-matplotlib-plotting-a-3d-cube-a-sphere-and-a-vector

import product combinations fig plt.figure ax fig.gca projection '3d' ax.set_aspect equal #draw cube r 1 1 for s e in combinations..

Drawing a graph or a network from a distance matrix?

http://stackoverflow.com/questions/13513455/drawing-a-graph-or-a-network-from-a-distance-matrix

be converted into numpy matrix to get the sketch graphical projection of such network pandas matplotlib igraph ... and some leads..

2D and 3D Scatter Histograms from arrays in Python

http://stackoverflow.com/questions/14002480/2d-and-3d-scatter-histograms-from-arrays-in-python

np.array points fig pyplot.figure sub fig.add_subplot 111 projection '3d' sub.scatter points 0 points 1 points 2 color 'black' marker..

How to draw diagrams like this?

http://stackoverflow.com/questions/14824893/how-to-draw-diagrams-like-this

import numpy as np fig plt.figure ax fig.add_subplot 111 projection '3d' dim 10 X Y np.meshgrid dim dim dim dim Z np.zeros 2 2 angle..

ode integration in python versus mathematica results

http://stackoverflow.com/questions/16222302/ode-integration-in-python-versus-mathematica-results

x y z x2 y2 z2 u.T fig plt.figure ax fig.add_subplot 111 projection '3d' ax.plot x y z color 'r' # adding the Lagrange point ..

Image embossing in Python with PIL — adding depth, azimuth, etc

http://stackoverflow.com/questions/2034037/image-embossing-in-python-with-pil-adding-depth-azimuth-etc

getting the unit incident ray gd numpy.cos ele # length of projection of ray on ground plane dx gd numpy.cos azi dy gd numpy.sin azi..

Fitting a line in 3D

http://stackoverflow.com/questions/2298390/fitting-a-line-in-3d

the squared distance between the real point and its projection then what you want is the first principal component. One way..

How do I use gluLookAt properly?

http://stackoverflow.com/questions/3380100/how-do-i-use-glulookat-properly

0 0 0 1 0 game.engage_3d 45 0.1 100 basically sets up the projection matrix to have a 45 degree angle of view and near and far coordinates..

How to convert from UTM to LatLng in python or Javascript

http://stackoverflow.com/questions/343865/how-to-convert-from-utm-to-latlng-in-python-or-javascript

actual code or libraries. http trac.osgeo.org proj4js is a projection library for Javascript but looking at the demo it doesn't include.. Javascript but looking at the demo it doesn't include UTM projection. I am still pretty fresh to the entire GIS domain so what I..

Plotting implicit equations in 3d

http://stackoverflow.com/questions/4680525/plotting-implicit-equations-in-3d

zmin zmax bbox 3 fig plt.figure ax fig.add_subplot 111 projection '3d' A np.linspace xmin xmax 100 # resolution of the contour..

how to calculate the area of a polygon on the earth's surface using python

http://stackoverflow.com/questions/4681737/how-to-calculate-the-area-of-a-polygon-on-the-earths-surface-using-python

an unit of measure for your area and find an appropriate projection that preserves area not all do . Since you are talking about.. I would use something like a Lambert Azimuthal Equal Area projection. Set the origin center of the projection to be the center of.. Equal Area projection. Set the origin center of the projection to be the center of your polygon project the polygon to the..

How to create a legend for 3D bar in matplotlib?

http://stackoverflow.com/questions/5803015/how-to-create-a-legend-for-3d-bar-in-matplotlib

import numpy as np fig plt.figure ax fig.add_subplot 111 projection '3d' x y np.random.rand 2 100 4 hist xedges yedges np.histogram2d..

Color matplotlib plot_surface command with surface gradient

http://stackoverflow.com/questions/6539944/color-matplotlib-plot-surface-command-with-surface-gradient

as plt import numpy as np fig plt.figure ax fig.gca projection '3d' X np.arange 5 5 0.25 Y np.arange 5 5 0.25 X Y np.meshgrid.. as plt import numpy as np fig plt.figure ax fig.gca projection '3d' X np.arange 5 5 .25 Y np.arange 5 5 .25 X Y np.meshgrid..

Matplotlib 3D scatter color lost after redraw

http://stackoverflow.com/questions/8971309/matplotlib-3d-scatter-color-lost-after-redraw

col np.arange 30 fig plt.figure ax3D fig.add_subplot 111 projection '3d' ax3D.scatter x y z s 30 c col marker 'o' cmap cm plt.savefig.. #scatCollection ax.scatter x y ax3D fig.add_subplot 111 projection '3d' # keep track of the Patch3DCollection scatCollection ax3D.scatter..