Basic Bar Graph in Excel

The following tutorial will demonstrate how to construct a basic bar graph in Excel.  The documents for this tutorial are available for download. Download the 97-2003 Version Download the Excel 2007 Version To begin, start with a spread sheet as shown below. Now, highlight cells A3 to B8.  Select the “Insert” tab and hit the “Column Button” to activate the drop down menu. From this menu, select “2-D Column”...

Some Linux admin commands everyone must know

I assume you know how to login and logout from Linux system and one Linux system is available in your network. Since this tutorial is based on admin commands, you should have access to the system with root privilege. For connecting to Linux you need any Telnet/SSH client like PuTTY. If you don’t have one yet, download PuTTY from the following site. http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html OK, open your client, give host name/IP address and press Open button....

Using Polylines

  Polylines Polylines draw lines similar to the line command we used in lesson 2, but are a lot more powerful. Let's start by drawing the same plot of land we drew in lesson 2, but this type using polylines. The polyline command is situated on the 'draw' toolbar. 1) Choose the polyline command 2) For a start point, enter 50,50 3) ...

Help With Modify Commands

Basic Modify Commands Here we'll cover the modify tools, which give us control over simple shapes we have created. As the name suggests - we can modify drawing elements. This is what the modify toolbar looks like (if you don't see it, check the modify box in 'view - toolbars'): The modify tools (from left to right): Erase, Copy, Mirror,...

Using Layers

  Layers Layers are a way of managing, tidying and also controlling the visual layout of a drawing. A whole section of a drawing can be turned on or off, or simply one aspect can be controlled - text for example. This is all done by using layers within Autocad. The concept of layers is used in other software applications, such as Paintshop...

Drawing with Object Snap

  Object Snap Object Snap tools are available from the Object Snap toolbar ( View - Toolbars to enable). They allow for precise drawing within Autocad. For example, a rectangle could be drawn from the exact endpoint of an existing line by simply selecting the 'Snap to Endpoint' tool, or we could draw a line from the centrepoint of a circle using the 'Snap to Center' tool. In many cases, object snap avoids the need to draw construction ...

Working with Blocks

  Blocks A block in Autocad is a collection of all of the line and arc entities that create an object, 'moulded' together to make one selectable object. Selecting one particular entity (such as a midpoint of a line for example) will select all objects contained within the block. They can be moved, rotated, mirrored etc and will always be treated...

The Extend Command

Introduction AutoCAD drawings are rarely completed simply by drawing lines, circles etc. Most likely you will need to Modify these basic drawing objects in some way in order to create the image you need. AutoCAD provides a whole range of modify tools such as Move, Copy, Rotate and Mirror. As you can see, the command names are easily understandable. However, the way these commands work is not always obvious. This tutorial is designed to show you how all of the Modify commands work. If...

AutoCAD Creating Custom Bitmap Materials Tutorial

This tutorial describes how to create custom bitmap based materials in AutoCAD and how to create the bitmap tile from scratch in Photoshop. If you would like to follow this tutorial closely, you can download the Garden drawing used in the examples. See Download Sample Data, below. In many cases, rendering using object colours or the use of materials from the AutoCAD Material Library is all that's required to produce a semi-realistic render of a scene. However, sometimes you might want ...

Android & iPhone browser wars: Intro to the WebKit

Introduction Combined, the iPhone and Android platforms have more than 100,000 application titles available for download across their respective app stores. Native applications are those created with a platform's SDK, then compiled and installed to a device. These native applications provide thorough access to a device's inherent capabilities, including features like wireless networking, Bluetooth, data...