panning and zoomin and out, and ect
Albert Anderson
bart_doggers at YAHOO.COM
Tue Aug 1 10:12:12 EDT 2006
Hi,
I tried that code. I didnt get it to work. Here is my code. Can you see if I need to do something else? What else do I need?
</script>
<!-- Panning Javascript here -->
<script language="javascript" type="text/javascript">
var mapheight = 417;
var mapwidth = 309;
var pansize = 0.75;
function pan(direction) {
var x,y;
if(direction== 'n') {
x = (309-1)/2.0;
y = 0 - (417 * pansize)/2.0;
} else if(direction== 'nw') {
x = 0 - (309 * pansize)/2.0;
y = 0 - (309 * pansize)/2.0;
} else if(direction== 'ne') {
x = (309-1) + (309 * pansize)/2.0;
y = 0 - (417 * pansize)/2.0;
} else if(direction== 's') {
x = (309-1)/2.0;
y = (417-1) + (417 * pansize)/2.0;
} else if(direction== 'sw') {
x = 0 - (309 * pansize)/2.0;
y = (417-1) + (417 * pansize)/2.0;
} else if(direction== 'se') {
x = (309-1) + (309 * pansize)/2.0;
y = (417-1) + (417 * pansize)/2.0;
} else if(direction== 'e') {
x = (309-1) + (309 * pansize)/2.0;
y = (417-1)/2.0;
} else if(direction== 'w') {
x = 0 - (309 * pansize)/2.0;
y = (417-1)/2.0;
}
document.mapserv.imgxy.value = x + " " + y;
document.mapserv.submit();
}
</script>
<TABLE width="368"
HEIGHT="460" BORDER="0" align="left" CELLPADDING="0" CELLSPACING="0">
<TBODY>
<TR>
<TD width="29" height="23" ALIGN="left"
VALIGN="top" BGCOLOR="#e7a500"><a href="javascript:pan('nw')"><img src="../images/cornerarrow5.gif" alt="pan nw" width="25" height="25" style="border-style:none"></a></TD>
<TD ALIGN="center" BGCOLOR="#e7a500"
VALIGN="top"> <div align="center"><a href="javascript:pan('n')"><img src="../images/cornerarrow2.gif" alt="pan north" width="25" height="25" style="border-style:none"></a></div></TD>
<TD width="30" ALIGN="right"
VALIGN="top" BGCOLOR="#e7a500"><a href="javascript:pan('ne')"><img src="../images/cornerarrow6.gif" alt="pan ne" width="25" height="25" style="border-style:none"></a></TD>
</TR>
<TR>
<TD ALIGN="LEFT" BGCOLOR="#e7a500"
VALIGN="MIDDLE"><a href="javascript:pan('w')"><img src="../images/cornerarrow1.gif" alt="pan west" width="25" height="25" style="border-style:none"></a></TD>
<TD CLASS="mapappmidaln" ALIGN="center"
HEIGHT="413" VALIGN="MIDDLE" WIDTH="309">
<!-- calling for map here -->
<input name="img" type="image" src="[img]" WIDTH="309" HEIGHT="417" BORDER="1" /></TD>
<TD ALIGN="right" BGCOLOR="#e7a500"
VALIGN="MIDDLE"><div align="left"><a href="javascript:pan('e')"><img src="../images/cornerarrow3.gif" alt="pan east" width="25" height="25" style="border-style:none"></a></div></TD>
</TR>
<TR>
<TD height="21" ALIGN="left"
VALIGN="bottom" BGCOLOR="#e7a500"><a href="javascript:pan('sw')"><img src="../images/cornerarrow8.gif" alt="pan sw" width="25" height="25" style="border-style:none"></a></TD>
<TD ALIGN="center" BGCOLOR="#e7a500"
VALIGN="bottom"> <div align="center"><a href="javascript:pan('s')"><img src="../images/cornerarrow3gif.gif" alt="pan south" width="25" height="25" style="border-style:none"></a></div></TD>
<TD ALIGN="right" BGCOLOR="#e7a500"
VALIGN="bottom"><a href="javascript:pan('se')"><img src="../images/cornerarrow7.gif" alt="pan se" width="25" height="25" style="border-style:none"></a></TD>
</table>
Luis Treviño <ltrevinoh at GMAIL.COM> wrote:
2006/7/21, Albert Anderson <bart_doggers at yahoo.com>: Hi,
I figure out my images. Does anyone have a _java script for using a image for panning. I have images set for the corners of my map. I want to use them to pan.
You can use something like this, you have to handle your width and height of your image:
alto = height, ancho = width.
function paneo(direccion,alto,ancho) {
var x,y;
var pansize = 0.75;
if(direccion == 'n') {
x = (ancho-1)/2.0;
y = 0 - (alto * pansize)/2.0;
} else if(direccion == 'nw') {
x = 0 - (ancho * pansize)/2.0;
y = 0 - (ancho * pansize)/2.0;
} else if(direccion == 'ne') {
x = (ancho-1) + (ancho * pansize)/2.0;
y = 0 - (alto * pansize)/2.0;
} else if(direccion == 's') {
x = (ancho-1)/2.0;
y = (alto-1) + (alto * pansize)/2.0;
} else if(direccion == 'sw') {
x = 0 - (ancho * pansize)/2.0;
y = (alto-1) + (alto * pansize)/2.0;
} else if(direccion == 'se') {
x = (ancho-1) + (ancho * pansize)/2.0;
y = (alto-1) + (alto * pansize)/2.0;
} else if(direccion == 'e') {
x = (ancho-1) + (ancho * pansize)/2.0;
y = (alto-1)/2.0;
} else if(direccion == 'w') {
x = 0 - (ancho * pansize)/2.0;
y = (alto-1)/2.0;
}
document.mapserv.imgxy.value = x + " " + y;
document.mapserv.submit();
}
Anyother question, is there a _java script for images to zoom-in and out?
you can use the zoomdir and the zoom values within your template, like:
<input type="hidden" name="zoom" value="-2">
<input type="hidden" name="zoomdir" value="-1">
for a zoom out., so you can use radio buttons to manage this values
One more question, I have a refresh button and pan radio button, then we I click refresh to take a layer off it moves the projective image. Why? But when I am on zoomin radio button and click refresh it acts like its panning? Why?
Thanks,
Albert
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Hope this helps.
Regards,
Luis
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