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Heatmap generated TIF with bad CRS #20449

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qgib opened this issue Feb 25, 2015 · 7 comments
Closed

Heatmap generated TIF with bad CRS #20449

qgib opened this issue Feb 25, 2015 · 7 comments
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API API improvement only, no visible user interface changes Bug Either a bug report, or a bug fix. Let's hope for the latter!
Milestone
Version 2.8.2

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@qgib
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qgib commented Feb 25, 2015

Author Name: Janos Meszaros (Janos Meszaros)
Original Redmine Issue: 12264
Affected QGIS version: 2.8.1
Redmine category:analysis_library

Heatmap generated with plugin placed in the center of used coordinate reference system, instead of actual location. It looks like QGIS can not interpret real coordinates written in TIF file header, instead it uses the coordinates of pixels in image. The used CRS was a cartesian system (epsg: 23700), not geographical.
If image was opened in other GIS software e.g. Global Mapper, it can open it and interprets its projection but it interchanges the axes.
@qgib
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qgib commented Feb 25, 2015

Author Name: Giovanni Manghi (@gioman)

Hi,
can you share a sample of your input data? Thanks.

  • status_id was changed from Open to Feedback

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qgib commented Feb 26, 2015

Author Name: Janos Meszaros (Janos Meszaros)

I attached a zip file containing a Shapefile with drilling points for geological measurements, nothing special except coordinate reference system: please use the HD72/EOV system or 23700 EPSG code to identify proper projection in QGIS.

  • 8464 was configured as heatmap_sample.ZIP

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qgib commented Feb 26, 2015

Author Name: Giovanni Manghi (@gioman)

I confirm that there is something wrong in this tool and that ti was working ok in previous qgis releases.

  • os_version was changed from win7 x64 to
  • version was changed from 2.8.0 to 2.8.1
  • operating_system was changed from Windows to
  • fixed_version_id was changed from Version 2.8 to Version 2.8.2
  • priority_id was changed from Normal to Severe/Regression
  • status_id was changed from Feedback to Open

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qgib commented Feb 27, 2015

Author Name: Pekka Sarkola (@posikifi)

It seems that this more common issue than just Heatmap generated files.

I generate my raster outside QGIS (with gdal_grid): origin and image size is correct. But extent is calculated uncorretly.

Only tested with EPSG:3067, but I presume this is wider problem.

P

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qgib commented Mar 2, 2015

Author Name: Luiz Andrade (@lcoandrade)

I´ve made some tests using this data. I found the same problem.

  • 8472 was configured as points.zip

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qgib commented May 9, 2015

Author Name: Giovanni Manghi (@gioman)

seems fixed in qgis master, please reopen if necessary.

  • resolution was changed from to fixed/implemented
  • status_id was changed from Open to Closed

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qgib commented Jan 2, 2017

Author Name: Giovanni Manghi (@gioman)

  • category_id was changed from 114 to Analysis library

@qgib qgib added Bug Either a bug report, or a bug fix. Let's hope for the latter! API API improvement only, no visible user interface changes labels May 25, 2019
@qgib qgib added this to the Version 2.8.2 milestone May 25, 2019
@qgib qgib closed this as completed May 25, 2019
@qgib qgib mentioned this issue May 25, 2019
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Ailurupoda pushed a commit to SIRS-CLS/QGIS that referenced this issue Feb 18, 2020
@nyalldawson
[FEATURE][georefencer] Make minimizing georeferencer when adding points
6ed0b47 
from canvas an option

Allows users to disable this option, which is annoying on multi-monitor
setups where it can be desirable to have both windows visible while
adding points.

The option is added as a checkbox in the "add map coordinates" dialog:
"Automatically hide georeferencer window". We show it directly in that
dialog for maximum discoverability, and to allow easier change of setting
for users who move between single/multi monitor setups.

Fixes qgis#20449
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