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how to draw hemisphere

• How do I draw a hemisphere?May 10

I want to draw a solid or partially transparent hemisphere above a partially transparent cuboid object in Graphics3D. However, I do not know how to do this s.t. only half the sphere is drawn. Here's what the object looks like with the full sphere: Sp

• Drawing a portion of a hemisphere airspaceApril 21

I am trying to use WorldWind's SphereAirspace to construct a particular 3D airspace. The 3D shape I am trying to construct is a hemisphere cut parallel to the ground at two places, suppose at height h1 and h2 from the ground. The base of hemisphere i

• Drawing a shaded hemisphere using tikz?June 17

I want to draw a shaded hemisphere using tikz. The final result should look like this (the lower part of the sphere should be removed): Until now I have this code: \documentclass{article} \usepackage{tikz} \usepackage{tikz-3dplot} \usepackage[active,

• How do i draw a hemisphere using SphericalPlot3D?November 8

I want to know what ranges must be set for theta and to get a hemisphere of radius 5 from SphericalPlot3D. --------------Solutions------------- And if you want a hemisphere in an arbitrary orientation you can do this. normal = {1, 3, 2}; SphericalPlo

• Getting the normals of a hemisphere?April 17

I'm trying to calculate the normal for a hemisphere. I draw the hemi-sphere by this code: for(float phi = 0.0; phi < 1.567; phi += factor) { glBegin(GL_QUAD_STRIP); for(float theta = 0.0; theta < 2*3.14 + factor; theta += factor) { x = rh * sin(phi)

• How to draw a great circle on a sphere?December 16

I apologize for the text description, but new users are not allowed to post images. I want to draw a circle that cuts through the center of a sphere and has an inclination of 15 degrees with the horizontal axes (equator). Actually, there are infinite

• Plotting a section of an hemisphereApril 8

I'm writing a little package in Mathematica for geology where a particular stone may be approximated as an hemisphere. Anyway this is a rough estimation because a real hemisphere has its height as loong as its radius. Instead, a reservoir stone (for

• Draw a spiral on a sphereApril 30

My goal is to visualize damped magnetic precession. Wikipedia features an image, but it doesn't quite capture one essential constraint. Namely, that the magnetization M should be normalized. So the curve shown in the following picture should lie on t

• Plotting hemisphere using tikzJuly 13

Can anyone help me with the plotting using tikz? I would like to plot the figure below in tikz but I do not know where to start. I have checked the examples given using "ball", yet I cannot find anything which deals with a hemisphere. \documentc

• How to integrate a function of a direction, over the hemisphereSeptember 25

The Mathematica documentation Integrate over Regions gives an example of how to simply integrate over a sphere (surface): Integrate[1, {x, y, z} \[Element] Sphere[]] Although it seems there is an Hemisphere object in Mathematica, it does not seem pos

• How to draw lune in a sphere and shade it with TiKzNovember 13

To make the question short I want to draw the following graph: This graph was copied from Hyperbolic Geometry -Triangles and Gauss Bonnet My problem is how to paint the shading. Circles on a sphere are easy to draw, but the shading seems to be more d

• Drawing Inspiration: Collaborative Whiteboard Tools -Part 1December 1

With more and more people working from home, or with colleagues and clients in other cities and countries, online collaboration tools have been gaining momentum for a couple of years now. While there has been plenty of focus on conferencing, document

• Drawing In Illustrator, Part 1: The Line ToolsJune 2

Illustrator is not only an industry standard for creating vector graphics, it's also really good fun to use. This guide is intended mainly for people who are new to using Illustrator, but even if you've been using the program for a while you might fi

• Drawing In Illustrator, Part 2: The Shape ToolsJune 3

Continuing our series on drawing tools in Illustrator (previously we looked at the Illustrator Line tools), today we're going to look at the Shape tools. Although the shape tools appear very basic, they can be used together to form more complex shape

• Drawing In Illustrator, Part 3: The Pencil ToolJune 4

So far we've looked at the Line Tools and the Shape Tools. Today we'll look at one of the more intuitive drawing tools – the Pencil. As the name suggests, this is very much like using a real pencil for drawing paths. You can draw open or closed paths

• Drawing In Illustrator, Part 4: Pen Tool - Straight LinesJune 5

So far in this series, we've looked at the Line Tools, the Shape Tools and the Pencil and Smooth Tools. Today we're looking at one of the most important, and most frustrating tools for "newbies" – the Pen. I've been teaching both Photoshop and I

• Illustrator Drawing Tools, Part 5: Pen Tool – CurvesJune 8

This is the final part of the series on drawing tools in Illustrator. In the last post we looked at how to use the Pen tool to draw straight line segments and how to use the Selection tools to edit entire paths and individual points. To conclude the

• How To Draw A Vector iPhone In IllustratorJune 28

I wanted to follow up on the series I wrote a couple of weeks ago about the drawing tools in Illustrator. Using mainly vector shapes and some gradients, I'm going to create a vector drawing of an iPhone in Illustrator. The joy of creating it as a vec

• How do you draw a string centered vertically in Java?June 28

I know it's a simple concept but I'm struggling with the font metrics. Centering horizontally isn't too hard but vertically seems a bit difficult. I've tried using the FontMetrics getAscent, getLeading, getXXXX methods in various combinations but no

• How To Draw An iPhone App Icon In IllustratorJune 29

Following on from yesterday's post on how to draw a vector iPhone, here's how to make an iPhone style icon in Illustrator. 1. Use the Rounded Rectangle to draw a square with round corners. Hold down the Shift key as you drag to create a square. 2. Op