https://issues.qgis.org/https://issues.qgis.org/favicon.ico2008-09-03T11:44:01ZQGIS Issue TrackingQGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175632008-09-03T11:44:01ZMaciej Sieczka -tutey@o2.pl
<ul></ul><p>Can you attach a small example?</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175642008-09-18T10:44:40Zersts -ersts@foo.bar
<ul></ul><p>Hi gespiel! Sorry you are having problems.</p>
<blockquote>
<p>geo-referenced tif images appears black when change transparence in layer properity.</p>
</blockquote>
<p>To me the uniformly gray display, as shown in the PDF example, makes me think you need to apply an enhance or "stretch" to the image.</p>
<p>1) Does your tif look correct outside of QGIS? <br />2) When the transparency is 0% does your image look correct/as you expect? <br />3) How was your tif georeferenced? Did you use the QGIS plugin? (if yes, can you explain the setting you used)</p>
<p>Is it possible to post a copy of your tif?</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175652008-09-22T11:44:49ZGerhard Spieles
<ul></ul><p>Hi,<br />outside Qgis, the tif-iamges look ok.<br />Attached are two tif images. Adding raster Layer without change trasparency, both images look ok in Qgis. Change transparence of the image b_plan_fell_kortsfuhr.tif is ok.<br />change tranparence in the rasterlayer of image b_plan_klostergarten-geo.tif, the image get grey, change agains to transparence 0%, the image get black.</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175662008-09-22T11:57:35ZGerhard Spieles
<ul></ul><p>Sorry,<br />tif images are zip-compressed near 600 kB, so upload is not possible.<br />Can you tell me email ontact.</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175672008-09-22T12:02:01Zersts -ersts@foo.bar
<ul></ul><p>you can send them to ersts</p>
<p>at amnh.org</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175682009-02-15T06:18:31Zersts -ersts@foo.bar
<ul><li><strong>Status</strong> changed from <i>Open</i> to <i>In Progress</i></li></ul><p>Can we get a confirmation that this is still a problem in the Version 1.0.0 release?</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175692009-02-17T12:48:10ZGerhard Spieles
<ul></ul><p>Hello Ersts,</p>
<p>thank for looking to the problem.<br />In Qgis 1.0, preview II, the problem is nearly solved. In "one Band color tifs", transparency of the white colour is shown in gray.<br />You can solve this by looking to the color-table and add the colour 0.0 (white) and 1.0 (grey) to the tranparent pixel list.</p>
<p>I couldnt test it on version 1.0 stabble, because the MSVC based build of QGIS terminates with a dll-fault in Windows. (i have Qgis strictly isntalled to the wiki.qgis.org installation guide)</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175702009-02-19T04:16:15Zersts -ersts@foo.bar
<ul></ul><p>Replying to [comment:8 gespiel]:</p>
<blockquote>
<p>In "one Band color tifs", transparency of the white colour is shown in gray.</p>
</blockquote>
<p>I am sorry but I don't understand. If you change the layer's transparency, all colors will change. Is there a dark layer under the white region?</p>
<blockquote>
<p>You can solve this by looking to the color-table and add the colour 0.0 (white) and 1.0 (grey) to the tranparent pixel list.</p>
</blockquote>
<p>How many pixel values do you have? Is it just that you don't want 0 and 1 to be shaded?</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175712009-04-20T03:58:42ZPaolo Cavallinicavallini@faunalia.it
<ul></ul><p>Please gespiel, could you test again with 1.0.1? I cannot reproduce your problem, so it might have been fixed. If so, please close it.</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175722009-04-29T20:07:06ZPaolo Cavallinicavallini@faunalia.it
<ul></ul><p>According to our new bug policy, I'm closing this, pending feedback from the user. In case it is still valid, please reopen it. Sorry for the additional trouble.</p> QGIS Application - Bug report #1278: Layer transparence in tif format failshttps://issues.qgis.org/issues/1278?journal_id=175732009-04-29T20:07:18ZPaolo Cavallinicavallini@faunalia.it
<ul><li><strong>Resolution</strong> set to <i>invalid</i></li><li><strong>Status</strong> changed from <i>In Progress</i> to <i>Closed</i></li></ul>