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<div>Hi Daniel, </div>
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<div>I think my case was unusual because I absolutely had to use jpeg output (with interlace off), so that our flash interface could use the map image, and I had to have transparent set to on so that my map symbolizations would work.
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<div>My map has polygon features that are symbolized using three styles, a solid fill style on the bottom, a style with an ellipse/vector symbol to create a 'hatch' effect, and a cartoline style on top to give a nice anti-aliased outline to the polygon. The background colour and hatch pattern/colour are different in each class within the layer to reflect dozens of combinations of primary, secondary, and tertiary surficial geology types within that layer's dataset.
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<div>Previously without transparent set to on, you couldnt see through the 'blank' parts of the hatch styles to see the solid fill underneath.</div>
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<div>'Transparent' may not be relevant or allowable for jpeg's, but before 4.6b3, the setting had to be within outputformat to turn transparent on for my symbolizations. Perhaps two unrelated systems were using the same parameter.
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<div>Perhaps the documentation just needs a note that transparent is not allowable for jpeg's.</div>
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<div>It was definately working in 4.6beta2. I have beta2 and beta3 (and older versions) installed in separate folders on our webserver, each with all their associated dll's. To switch a website between the versions I just have to point a virtual folder in the website directory to the appropriate mapserver software folder.
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<div>Thanks,</div><span class="sg">
<div>Ken</div></span>
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<div><span class="gmail_quote">On 5/31/05, <b class="gmail_sendername">Daniel Morissette</b> <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:dmorissette@dmsolutions.ca" target="_blank">dmorissette@dmsolutions.ca
</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Sending this reply to mapserver-dev instead of -users...<br><br>Ken Lord wrote:<br>><br>> If TRANSPARENT is within the outputformat, mapserver fails and returns
<br>> the following error message:<br>><br>> "GD/JPEG OUTPUTFORMAT jpeg has TRANSPARENT set ON, but this is not<br>> supported. It has been disabled."<br>><br><br>Ah! That makes more sense now. Due to the nature of the format, JPEG
<br>does not and cannot support transparency. This is not new to MapServer<br>4.6, only the more explicit error message may be new.<br><br><br>><br>> If this was the intended effect, then just the 4.6 documentation needs
<br>> to be updated for the syntax change.<br><br>Since this is just an error message to prevent users from requesting an<br>impossible combination, I don't think there is much to document. I mean<br>I'm not convinced that it would make sense to document all the
<br>impossible combinations of mapfile parameters.<br><br><br>> I brought this up because the<br>> change was not listed in the revision history in history.txt, and the<br>> mapserver log and our flash interface don't show this error message,
<br>> leaving me to try it out in an HTML template when our flash site failed.<br>><br><br>Unfortunately the HISTORY.TXT is only as accurate as what the developers<br>make of it. It is possible that some items are missing if some
<br>developers fail to update it, and there is not much I can do about this.<br><br>However I did find a note from Frank in the 4.4.0 HISTORY.TXT about this<br>new validation:<br><br>- Force GD/JPEG outputFormatObjects to IMAGEMODE RGB and TRANSPARENT OFF
<br> if they are RGBA or ON. Makes user error such as in bug 1703 less<br>likely.<br><br>Are you sure that this was working in 4.6beta2?<br><br>Daniel<br>--<br>------------------------------------------------------------
<br>Daniel Morissette <a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:dmorissette@dmsolutions.ca" target="_blank">dmorissette@dmsolutions.ca</a><br>DM Solutions Group <a onclick="return top.js.OpenExtLink(window,event,this)" href="http://www.dmsolutions.ca/" target="_blank">
http://www.dmsolutions.ca/</a><br>------------------------------------------------------------ <br></blockquote></div></span></div></blockquote></div><br><br><br>-- <br>==============================<br>Ken Lord <a href="http://B.Sc">
B.Sc</a>., A.Dipl.T.H.<br>7488 Magnolia Terrace<br>Burnaby BC, V5E 4L1<br>604-777-2171<br><a href="mailto:kenlord@gmail.com">kenlord@gmail.com</a><br><a href="mailto:kenlord@email.com">kenlord@email.com</a><br><a href="mailto:klord@bgcengineering.com">
klord@bgcengineering.com</a>