[Mapserver-users] PNG problem / INTERLACE ON

holesovsky at oksystem.cz holesovsky at oksystem.cz
Tue Jun 1 06:18:26 EDT 2004


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Hi All,

=20

I have a strange problem with MapServer version 4.0.2 and PNG output =
format.

=20

Sometimes it happens that a generated PNG file is not correctly =
displayed in MS Internet Explorer.=20

In other desktop's viewers (Irfanview, Paint,....) is a PNG file =
displayed properly.

=20

When I change output format to JPEG or switch INTERLACE to OFF, a =
generated bitmap is displayed correctly.

=20

Is it a bug or my problem?

=20

Thanks

=20

Michael Holesovsky

=20

=20

=20

________________________________

From: mapserver-users-admin at lists.gis.umn.edu =
[mailto:mapserver-users-admin at lists.gis.umn.edu] On Behalf Of Kalpin =
Erlangga Silaen
Sent: Thursday, June 03, 2004 12:07 PM
To: mapserver-users at lists.gis.umn.edu
Subject: [Mapserver-users] Mapserver using MSSQL

=20

Dear all,

=20

Today, I am trying run MapServer under windows using MSSQL 2000. I have =
read previous thread/mails and try to follow every step but I got error =
like below :

=20

msDrawMap(): Image handling error. Failed to draw layer named 'LAYER_1'. =

msOGRFileOpen(): OGR error. Open failed for OGR connection `layer1.ovf'. =
File not found or unsupported format.=20

My Layer code :=20

=20

LAYER
  NAME LAYER_1
  TYPE POLYGON
  STATUS DEFAULT
  CONNECTIONTYPE OGR
  CONNECTION "layer1.ovf"
  DATA "layer1"
  CLASS
    NAME 'My City'
    OUTLINECOLOR 128 128 128
    COLOR 225 225 185
    TEMPLATE "layer1.html"
  END
  HEADER "layer_1_header.html"
  FOOTER "layer_1_footer.html"=20
  METADATA
    WMS_TITLE "My City"
    WMS_ABSTRACT "Layer Shapefile."
    WMS_SRS "EPSG:26915"
  END
END

=20

and my layer1.ovf :

=20

<OGRVRTDataSource>
    <OGRVRTLayer name=3D"LAYER_1">
        <SrcDataSource>ODBC:sa/kalpin at mstest</SrcDataSource>=20
  <SrcLayer>River</SrcLayer>=20
 <GeometryType>wkbPoint</GeometryType>=20
        <LayerSRS>LAYER_1</LayerSRS>
 <GeometryField encoding=3D"PointFromColumns" x=3D"x" y=3D"y"/>=20
    </OGRVRTLayer>
</OGRVRTDataSource>

=20

=20

Help me please

=20

=20

=20

Thank you

=20

=20

=20

Kalpin Erlangga Silaen


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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Hi =
All,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I have a strange problem with =
MapServer
version 4.0.2 and PNG output format.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Sometimes it happens that a =
generated PNG
file is not correctly displayed in MS Internet Explorer. =
<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>In other desktop&#8217;s viewers =
(Irfanview,
Paint,&#8230;.) is a PNG file displayed =
properly.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>When I change output format to JPEG =
or
switch INTERLACE to OFF, a generated bitmap is displayed =
correctly.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Is it a bug or my =
problem?<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Thanks<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Michael =
Holesovsky<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'>
mapserver-users-admin at lists.gis.umn.edu
[mailto:mapserver-users-admin at lists.gis.umn.edu] <b><span =
style=3D'font-weight:
bold'>On Behalf Of </span></b>Kalpin Erlangga Silaen<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Thursday, June 03, =
2004
12:07 PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b>
mapserver-users at lists.gis.umn.edu<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> =
[Mapserver-users]
Mapserver using MSSQL</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Dear all,</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Today, I am trying run MapServer under windows using =
MSSQL
2000. I have read previous thread/mails and try to follow every step but =
I got
error like below :</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>msDrawMap(): Image handling error. Failed to draw layer named
'LAYER_1'. <br>
msOGRFileOpen(): OGR error. Open failed for OGR connection `layer1.ovf'. =
File
not found or unsupported format. <o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>My Layer code : </span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>LAYER<br>
&nbsp; NAME LAYER_1<br>
&nbsp; TYPE POLYGON<br>
&nbsp; STATUS DEFAULT<br>
&nbsp; CONNECTIONTYPE OGR<br>
&nbsp; CONNECTION &quot;layer1.ovf&quot;<br>
&nbsp; DATA &quot;layer1&quot;<br>
&nbsp; CLASS<br>
&nbsp;&nbsp;&nbsp; NAME 'My City'<br>
&nbsp;&nbsp;&nbsp; OUTLINECOLOR 128 128 128<br>
&nbsp;&nbsp;&nbsp; COLOR 225 225 185<br>
&nbsp;&nbsp;&nbsp; TEMPLATE &quot;layer1.html&quot;<br>
&nbsp; END<br>
&nbsp; HEADER &quot;layer_1_header.html&quot;<br>
&nbsp; FOOTER &quot;layer_1_footer.html&quot; <br>
&nbsp; METADATA<br>
&nbsp;&nbsp;&nbsp; WMS_TITLE &quot;My City&quot;<br>
&nbsp;&nbsp;&nbsp; WMS_ABSTRACT &quot;Layer Shapefile.&quot;<br>
&nbsp;&nbsp;&nbsp; WMS_SRS &quot;EPSG:26915&quot;<br>
&nbsp; END<br>
END</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>and my layer1.ovf :</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;OGRVRTDataSource&gt;<br>
&nbsp;&nbsp;&nbsp; &lt;OGRVRTLayer name=3D&quot;LAYER_1&quot;&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;SrcDataSource&gt;ODBC:sa/kalpin at mstest&lt;/SrcDataSource&gt; <br>
&nbsp;&nbsp;&lt;SrcLayer&gt;River&lt;/SrcLayer&gt; <br>
&nbsp;&lt;GeometryType&gt;wkbPoint&lt;/GeometryType&gt; <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;LayerSRS&gt;LAYER_1&lt;/LayerSRS&gt;<br>
&nbsp;&lt;GeometryField encoding=3D&quot;PointFromColumns&quot; =
x=3D&quot;x&quot;
y=3D&quot;y&quot;/&gt; <br>
&nbsp;&nbsp;&nbsp; &lt;/OGRVRTLayer&gt;<br>
&lt;/OGRVRTDataSource&gt;</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Help me please</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thank you</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Kalpin Erlangga Silaen</span></font><o:p></o:p></p>

</div>

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