Will do. Thank you.<br>
<br>
-Abe<br><br><div><span class="gmail_quote">On 9/1/05, <b class="gmail_sendername">Stephen Woodbridge</b> <<a href="mailto:woodbri@swoodbridge.com">woodbri@swoodbridge.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I would just copy and paste the relevant parts of this thread into a new<br>bug and select it as a feature request.<br><br><a href="http://mapserver.gis.umn.edu/bugs/index.cgi">http://mapserver.gis.umn.edu/bugs/index.cgi</a>
<br><br>-Steve<br><br>Abe Gillespie wrote:<br>> Yep, should be simple enough to keep a tab on the visible layers as<br>> they're drawn. Well, I'll just stick to querying each layer by hand for<br>> now. Where can I go to add a feature request?
<br>><br>> Do we also want to put this into the MapScript API where each class can<br>> have something like:<br>><br>> $class->hasDataInCurrentMapExtents; // Or something more concise. :)<br>><br>> And layers have the equivalent where it's false if each of it's classes
<br>> are false for the above attribute.<br>><br>> Thanks.<br>> -Abe<br>><br>> On 9/1/05, *Stephen Woodbridge* <<a href="mailto:woodbri@swoodbridge.com">woodbri@swoodbridge.com</a><br>> <mailto:
<a href="mailto:woodbri@swoodbridge.com">woodbri@swoodbridge.com</a>>> wrote:<br>><br>> Abe,<br>><br>> I think this would be a very valuable extension and it would not be that<br>> hard to implement. All that you would need is a bit array that is zeroed
<br>> before a draw request where each bit represents a unique layer-class,<br>> then as objects are drawn you would OR 1 into the bit array for the<br>> layer-class index if/when an object is drawn. Then you would need to be
<br>> able to query the bit array for a given layer-class index to see if it<br>> was drawn.<br>><br>> -Steve W.<br>><br>> Abe Gillespie wrote:<br>> > I build my legends by hand with PHP code because the native
<br>> > functionality just isn't good enough for what I<br>> need. Unfortunately I<br>> > still can't get it perfect because of what I think is missing<br>> MapServer<br>> > functionality. Currently my legends are just too big for
<br>> printing. Is<br>> > there a way to tell whether a certain class is visible w/i the<br>> current<br>> > view? Now I don't mean whether the class is within it's scale<br>> limits
<br>> > (MIN or MAXSCALE). Rather can one tell if a layer / class has<br>> any data<br>> > w/i the current view. For instance, I may have a fire hydrant<br>> layer w/o<br>> > any scale dependencies. But I might be zoomed into a field way
<br>> out in<br>> > the country side. So, yeah, technically the layer can be seen at<br>> that<br>> > scale, but no fire hydrants are actually in the view.<br>> ><br>> > If this doesn't exist, shall I issue a feature request?
<br>> ><br>> > Thanks.<br>> > -Abe<br>><br>><br><br></blockquote></div><br>