|
|
<%@ Page Language="c#" Debug="true" Explicit="True" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<%@ Import Namespace="System.Data.OleDb" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Web.Mail" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="Microsoft.CSharp" %>
<%@ Import Namespace="System.Drawing.Imaging" %>
<%@ Import Namespace="System.CodeDom.Compiler" %>
<%@ Import Namespace="System.Reflection" %>
<%@ Import Namespace="System.Collections" %>
<script language="C#" runat="server">
private void Page_Load(object sender, System.EventArgs e)
{
System.Drawing.Image image1 = new Bitmap(Server.MapPath("./images/worldmap4.gif"));
Bitmap imgBitmap = new Bitmap(image1);
Bitmap newBitmap = new Bitmap(200, 200, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(newBitmap);
Pen blackPen = new Pen(Color.Black);
Color clrBackground = Color.Black;
g.FillRectangle(new SolidBrush(clrBackground), new Rectangle(0, 0, 200, 200));
Rectangle rect = new Rectangle(0, 0, 200, 200);
///////////////////////////////////////
Graphics graphics = g;
double radius = 50.0;
double theta0 = 0.0;
double theta1 = 2.0*Math.PI;
double phi0 = 0.0;
double phi1 = Math.PI;
for (int i = 0; i < imgBitmap.Width; i++)
{
for (int j = 0; j < imgBitmap.Height; j++)
{
double theta = Algebra.MapCoordinate(0.0, imgBitmap.Width - 1, theta1, theta0, i);
double phi = Algebra.MapCoordinate( 0.0, imgBitmap.Height - 1,phi0, phi1, j);
double x = radius * Math.Sin(phi) * Math.Cos(theta);
double y = radius * Math.Sin(phi) * Math.Sin(theta);
double z = radius * Math.Cos(phi);
Algebra.RotX(1.5, ref y, ref z);
Algebra.RotY(-2.5, ref x, ref z);
if (z > 0)
{
Color color = imgBitmap.GetPixel(i, j);
Brush brs = new SolidBrush(color);
Pen pen = new Pen(color);
int ix = (int)x + 100;
int iy = (int)y + 100;
graphics.FillRectangle(brs, ix, iy, 1, 1);
}
}
}
///////////////////////////////////////
MemoryStream tempStream = new MemoryStream();
newBitmap.Save(tempStream, ImageFormat.Png);
Response.ClearContent();
Response.ContentType = "image/png";
Response.BinaryWrite(tempStream.ToArray());
Response.Flush();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Mapping</title>
</head>
<body style="padding-right: 0px; padding-left: 0px; padding-bottom: 0px; margin: 0px;
padding-top: 0px; text-align: center;">
<form id="form1" runat="server">
</form>
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript">
</script>
<script type="text/javascript">
_uacct = "UA-2275356-1";
urchinTracker();
</script></body>
</html>
|
By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.
If a file you wish to view isn't highlighted, and is a text file (not binary), please
let us know and we'll add colourisation support for it.
Submit an article or tip