<div dir="ltr">Yes, I did set a resolution as you explained:<br><br><img src="cid:ii_15840b3f1a44ff42" alt="Imagem inline 1" width="310" height="266" style="margin-right: 0px;"><div class="gmail_extra"><br><div class="gmail_quote"><br></div><div class="gmail_quote">I could finally get a file but the resolution is too poor (all pixelized)> I tried with none compression but still not good. I guess the horizontal and vertical resolutions are too low, but don´t really understand the parameter to be sure what would be a good value. Any sugestions?<br></div><div class="gmail_quote"><br></div><div class="gmail_quote">2016-11-07 19:27 GMT-02:00 Andreas Neumann <span dir="ltr"><<a href="mailto:a.neumann@carto.net" target="_blank">a.neumann@carto.net</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>So - have you tried setting a resolution and extent? The
resolution input fields need to have values. Empty fields don't
work. And no - QGIS can't autodetect it. It does not know the
native resolution of WMS services.<span class="gmail-HOEnZb"><font color="#888888"><br>
</font></span></p><span class="gmail-HOEnZb"><font color="#888888">
<p>Andreas<br>
</p></font></span><div><div class="gmail-h5">
<br>
<div class="gmail-m_7266711879721649913moz-cite-prefix">Am 07.11.2016 um 22:23 schrieb Juliana
Mori:<br>
</div>
<blockquote type="cite">
<div dir="ltr">sorry, I hit enter before finishing the email...
Again:<br>
<br>
<span style="font-size:12.8px">Hi Andreas,</span><br style="font-size:12.8px">
<br style="font-size:12.8px">
<span style="font-size:12.8px">for sure it would be much better
to use the webservice directly but I´m already investigating
with CARTO and it seems there´s no WMS support - if I have any
update on this, I´ll share with you.</span><br style="font-size:12.8px">
<br style="font-size:12.8px">
<span style="font-size:12.8px">EPSG:4326 would be perfect for
me, even though I know the original file is in Magna Sirgas
(EPSG:4686). So, if I understood right, I need to specify a
resolution in decimal degrees, right?<br>
</span><br>
I´m saving a raster image with only 3 color values (assigned by
its column "dn" which indicates if the pixels correspond to
forest, no forest or no information). Sorry, I don´t know to say
if it´s orthoimage.<br>
I´ve already polygonized the other tiff files I had from this
series (but were not from WMS) and the results were meaningful,
probably because there´re only this 3 colors. <br>
<br>
<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">2016-11-07 19:18 GMT-02:00 Juliana Mori
<span dir="ltr"><<a href="mailto:julmori@gmail.com" target="_blank">julmori@gmail.com</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Hi Andreas,<br>
<br>
for sure it would be much better to use the webservice
directly but I´m already investigating with CARTO and it
seems there´s no WMS support - if I have any update on
this, I´ll share with you.<br>
<br>
EPSG:4326 would be perfect for me, even though I know the
original file is in Magna Sirgas (EPSG:4686). <br>
<br>
<br>
</div>
<div class="gmail-m_7266711879721649913HOEnZb">
<div class="gmail-m_7266711879721649913h5">
<div class="gmail_extra"><br>
<div class="gmail_quote">2016-11-07 19:15 GMT-02:00
Andreas Neumann <span dir="ltr"><<a href="mailto:a.neumann@carto.net" target="_blank">a.neumann@carto.net</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF"><span>
<p>Hi Juliana,</p>
<p>First, I would investigate with Carto, if
you really cannot embed a WMS. It would be
much better to use the webservice directly
rather than downloading and uploading and
then end up with an outdated image.</p>
<p>If that does not work, you need to set a
meaningful resolution. As we can see in your
screenshot the resolution text input fields
are empty. Also check if the projection is
correct. Do you really want to save in
EPSG:4326 or rather in a meter based system?</p>
<p>What kind of data are you saving?
Orthoimages or maps with few colors or black
and white? If it is orthoimages, I would use
JPEG compression in the Geotiff, otherwise
probably deflate/LZW.</p>
<p>Then you have to find a meaningful
resolution. If you really want to save in
EPSG:4326, you have to specify a resolution
in decimal degrees. Try with larger values
first, such as 0.05 and then, if it is too
coarse go to smaller values.</p>
</span>
<p>About polygonizing raster to vector: this
really depends on the content - and I kind of
doubt it if you really get meaningful results.
Maybe it works with few colors and homogeneous
areas. It certainly would not work well for
aerial images.<br>
</p>
<span> Hope it helps,<br>
Andreas<br>
<br>
<div class="gmail-m_7266711879721649913m_-2942050913989496598m_8259830289514024908moz-cite-prefix">Am
07.11.2016 um 22:05 schrieb Juliana Mori:<br>
</div>
</span>
<blockquote type="cite">
<div dir="ltr"><span>Hi Andreas,<br>
<br>
thanks for your reply.<br>
<br>
I chose layer extent for extensions and
current layer for resolution but still
doesn´t work. <br>
<br>
<br>
<div><br>
</div>
</span>
<div>
<div class="gmail-m_7266711879721649913m_-2942050913989496598h5">
<div>Should I do this in a different
way?<br>
<br>
About the bigger question, no, CARTO
doesn´t allow uploading geotiffs. What
I´ve done so far is polygonizing the
rasters in QGis and uploading the
converted shapefile to CARTO. As you
said WMS can´t be converted into
shape, I´m not sure this is going to
work at all... won´t I be able to
polygonize a raster downloaded from a
WMS server?<br>
<br>
All the best, Juliana.<br>
<p style="font-size:12.8px"><br>
</p>
<br>
<br>
</div>
</div>
</div>
</div>
<div>
<div class="gmail-m_7266711879721649913m_-2942050913989496598h5">
<div class="gmail_extra"><br>
<div class="gmail_quote">2016-11-07
18:44 GMT-02:00 Andreas Neumann <span dir="ltr"><<a href="mailto:a.neumann@carto.net" target="_blank">a.neumann@carto.net</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Hi Juliana,</p>
<p>"Save AS" as a WMS should work
fine - but you need to specify a
useful extent and resolution (in
map units of your projection).
Otherwise it probably fails.</p>
<p>I just tested it and it works
fine.</p>
<p>The bigger question is: will
CARTO allow to upload larger
Geotiff files? Did you check
that?</p>
<p>Note that WMS are always
raster. You can't convert it
into a shp file.<br>
</p>
<p>Andreas<br>
</p>
<div>
<div class="gmail-m_7266711879721649913m_-2942050913989496598m_8259830289514024908h5">
<br>
<div class="gmail-m_7266711879721649913m_-2942050913989496598m_8259830289514024908m_-2312473769754825031moz-cite-prefix">Am
07.11.2016 um 21:27 schrieb
Juliana Mori:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div class="gmail-m_7266711879721649913m_-2942050913989496598m_8259830289514024908h5">
<div dir="ltr">Hello,<br>
<br>
I have loaded a wms server
to QGis, which is a raster
format. As I need to use
this in an external
aplication (CARTO) which
does not support wms, I´m
trying to export the
server loaded into QGIS
through "save as"
funcionality. But it´s not
working.<br>
<br>
Do you know how I can
export the wms loaded to a
file (raster or shp)?<br>
<br>
Thanks a lot, Juliana.
<div><br>
</div>
<div><br>
</div>
<div>ps:: I´m working with
QGis Essen, 2.14.3<br clear="all">
<div><br>
</div>
-- <br>
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