Questions tagged [transparency]

The ability to make a GIS layer transparent. That is, the ability to adjust the opacity or transparency of a layer to allow information below the layer to be visible.

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Transparency for QuickMapServices imagery in QGIS 3

Like 30 minutes ago I changed the transparency on a Google satellite image from QuickMapServices. I did this by just opening properties and there was a slider for transparency. Now, properties just ...
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2k views

Making transparent layers with Google Earth layer

I managed to get Google Earth layer, but when I add my GPS gpx files, all are hidden under the Google map... How to put them onto Google Earth layer?
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1answer
242 views

Layer group actions (e.g. transparency control)

I know this question has been asked already... long time ago, though. When loading a large set of raster data and grouping them in QGIS i miss the opportunity to set basic properties for that group, ...
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1answer
31 views

How to “uncheck” the “No Data Value” box in Transparency on QGIS with Python?

The title question is overly simplistic, but would accomplish what I am looking for. I have generated a clipped *.tif raster using gdal.Warp and a georeferenced satellite image: OutTile = gdal.Warp(...
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1answer
52 views

How to I mask out the black from a GeoTIFF

New to Google Earth Engine and I'm wondering why my GeoTIFF's come convert the alpha/transparency of the image to black. I have these weird black outlines from my TIFF files. See Screen shot. This ...
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Adjusting transparency of layer in certain areas of map using QGIS

In the following map, I'd like to adjust the transparency of the Delaware River so that it is more opaque in the area directly adjacent to Philadelphia county, and more transparent in the areas ...
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1answer
28 views

Configure a layer in GeoServer so it is displayed with a transparent background?

I use GeoServer to serve shapefile data as layers, and a program called 'Sitmun' to display them. Sitmun allows for the superposition of several layers. But, since my GeoServer seems to be delivering ...
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Automatically setting standard Raster style when loading raster sets in QGIS?

For my project I work with a lot of raster data sets and when loading the data into QGIS they render with a white background which I would like to see transparent (no-data). I also worked before with ...
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1answer
72 views

QGIS 3.4 set transparency only for some layers below

I‘m working on a geomorphological map of a river and its sourroundings. As a base I have a topographic map and a DEM for the pre-mapping. The topographic map is not accurate enough in the river gulley,...
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1answer
38 views

ArcScene transparency per feature

I am working with some data that needs to be visualized in different transparencies levels. I know how to do it in ArcMap: Symobology --> Advanced --> Transparency. Now I am working a 3D project and I ...
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1answer
198 views

QGIS geo referencing - black background transparency

I georeferenced a raster file and ended up with a black background (exact 000000) The raster file contains a lot of black, so setting black to be a transparent color is not a good solution since I ...
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1answer
3k views

Create Alpha band in GeoTIFF to make a specific color transparent using GDAL

I have a simple RGB GeoTIFF with a white background and want to add a 4th band, the alpha, so that if R+G+B=255*3, then ALPHA=0 ; i.e. if all three bands have a value of 255, then make the fourth zero ...
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Default transparency with GeoServer layer groups with overlapping raster layers

I have deployed two pan-sharpened raster from Pleiades imagery covering different areas with an overlap. Individually they are opaque (see here and there) but when inside a layer group (with default ...
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OpenLayers6 TileArcGISRest LAYERS param doesn't allow to modify and transparency of the features

I am trying to modify the transparency of the features ans I don't have a clue about how to do it. The site https://openlayers.org/en/latest/apidoc/module-ol_source_TileArcGISRest.html refers to ...
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QGIS - problem with transparency

After making transparency of an orthophoto, I can see thin black square lines in the pdf of a layout? Anyone know if you can fix it?
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1answer
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Incorrect tiles from a shapefile are generated by mapnik

I used mapnik_node_tile_server to generate tiles from a shapefile created by gdal_contour. The tile generation function is: function fetchTile(layer, z, x, y, callback) { var map = new mapnik.Map(...
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1answer
38 views

Setting proper transparency for MultiLine? [closed]

How can you avoid faulty transparency with overlapping line segments points in styling? I have one layer consisting of multilines. I use QGIS 3.0+.
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1answer
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QGIS transparency as 4th input layer

I have a file that contains four rows. The first row indicates the longitude, the second row indicates the latitude, the third row indicates the colour of a specific longitude and latitude and the ...
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Display overlapping transparent WMS continuously

I am working with WMS, which cover different regions and overlap at the borders of these regions (see attached image). Since the - in this case DOP - is slightly transparent in order to not to ...
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Using QGIS Webmap with Mapbox

Im trying to produce a contour map using QGIS and exporting using Mapbox. The map is rotated 90 degrees in QGIS and it returns to its normal orientation if I use Leaflet. Unfortunately, using the ...
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1answer
64 views

pyqgis: change transparency for cells with value 0

I have a Raster file in which some cells have the value 0 and I would like to use pyqgis make them 100% transparent. I guess I have to use the QgsRasterTransparency class but I have no idea how. I ...
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110 views

GDAL virtual dataset with transparency

I'm trying to create image pyramid of multiple smaller images for GeoServer use. I have done this by first creating virtual dataset with gdalbuildvrt and then with gdal_retile.py. The problem I'm ...
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141 views

Displaying rendered layers in 3D Maps in QGIS 3.8.x with variable transparency/opacity

I am looking at using QGIS to help facilitate conversations/do some thinking in 3D. I have tried both QGis2threejs and the native 3D Map available in QGIS 3.x and both have their strengths. The ...
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2k views

Setting different transparency for different areas of basemap

I want to print the map of a town and I would like to see the basemap more transparent outside the town area (border polygon) or vice versa. How can I do this? I'm using ArcGIS 10.2.2 for Desktop ...
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1answer
101 views

Exporting Transparent Background from QGIS?

I have QGIS version 3.4.3 which does not have print composer. I have a series of lines/tracks/boundaries, etc that are in a layer. I am trying to export that layer with a transparent background for ...
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1answer
543 views

Making heat map transparent in QGIS?

I am still new to QGIS. I have seen several tutorials but they seem to be concerned with earlier versions. The problem I have is that my heat map obscured any map beneath. I can see why this is, the ...
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1answer
5k views

Make WMS layer background transparent in Leaflet

I have inserted the following layer from a GeoServer WMS in the following Leaflet map : var nexrad = new L.TileLayer.WMS("URL", { layers: 'Wrecks:WrecksGreaterNorthSea', format: 'image/png', ...
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2answers
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Setting transparency for no data in raster in geoserver

I have a raster published in my geoserver with default raster style as below <NamedLayer> <Name>default_raster</Name> <UserStyle> <!-- Styles can have names, titles and ...
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1answer
429 views

GeoServer polygon transparency (SLD style file)

I am trying to add transparency to a set of polygons (city bounds) within a .sld style file for OSM. Please see below: As you can see the city bounds are overlapping Montana State University. My ...
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CentOS 7, Mapnik, and Tilestache: Seems like image assets are ignored by Mapnik's point/pattern symbolizers

[Update 6.6.2019] Ok...new detail. I checked a different Apache error log and discovered that it's littered with these errors, generically corresponding to.. failed to allocate png_ptr Actual ...
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2answers
157 views

How to convert a .tif file in which transparency is implicit into tiles with transparency?

Reproducible example with QGIS: Download this file: https://github.com/npct/pct-lsoa-vis/releases/download/0.0.1/dutch_slc-10m-merge2-test.tif Open it in QGIS, open the Layer Properties Window, and ...
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how to create translucent objects in KML?

I've been able to create a KML file that shows a circle on my (Google Earth) map. Now I would like to have a translucent fill on the circle. I'm new to KML, so I'm learning by trial-and-error with ...
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1answer
653 views

Understanding raster custom transparency options (making null data 100% transparent) in QGIS?

I have a raster with a large null area (see the solid black area in the image below). The "Band 1" value throughout this null area is -3.402823e+38. I'm trying to make sense of the result of my ...
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1answer
734 views

Setting multiple colors transparent in raster map in ArcMap?

I have an aerial scene in jpeg2000 Format in which I would like the black and white areas to be transparent: In QGIS I can set transparent pixels in the layer properties by simply adding colors ...
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0answers
54 views

Setting transparent to color for raster layer using ArcMap?

I'm working on a map where I'm overlaying a topographic map on a hillshade map (from ALS data). With the right levels of transparency, those maps tend to be the best base for all kinds of stuff. ...
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1answer
235 views

Make color transparent

I've downloaded some maps from copernicus, e.g. this map: http://marine.copernicus.eu/services-portfolio/access-to-products/?option=com_csw&view=details&product_id=...
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1answer
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How to set layer transparency QGIS C++ API 2.14?

I want to set transparency for already loaded layer by taking it from canvas QgsVectorLayer *myLayer = mpMapcanvas.layer(0); myLayer.setLayerTransparency(50); myLayer.triggerRepaint(); but get an ...
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1answer
341 views

Make background color transparent in MapTiler?

I have MapTiler 5.0.3 pro, and hundreds of 8-bit per band .tiff files with transparent channel Alpha. After batch conversion: "C:\Program Files\Maptiler Pro\maptiler.exe" -f png -nodata 0 0 0 -zoom ...
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3answers
753 views

Making empty parts of aerial imagery transparent in QGIS?

I have a raster file (ECW format) that covers a very large area, however the contents comprise a thin strip of aerial imagery (100m strip centered over the rail line). The bounding box for the image ...
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2answers
60 views

Borders appear when reducing the global opacity of multiple raster images in QGIS 3.2.3

I want to reduce the opacity of multiple raster images and when I use the global opacity slider to do so, black borders appear between my images. I would want to eliminate these borders.
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1answer
518 views

QGIS: Is it possible to merge two stacked raster layers keeping color rendering and transparency?

Extremely new to QGIS and was hoping to merge 2 layers and maintain an "overlay" keeping layer transparency and color rendering? I seem to loose the top layers layer properties when merging and it ...
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1answer
2k views

Does JPEG 2000 (JP2) support transparency when created?

I haven't been able to find any resources that can provide if in JPEG 2000 (JP2) transparency can be "built-in".
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1answer
580 views

QGIS heatmap classification and symbology?

I want to create a heatmap that doesn't show raster cells that have the value 0. I have 5 classes of which the 0 values have no colour (transparent). Now values between 0 and the first value (124.66......
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767 views

Make “Nodata” transparent in raster - Mapfile/Mapserver

I have a raster and I'm trying to make it display in Openlayers2, using Mapserver 7.0 in backend. My problem is, I think, that because the online map is not the same projection as my data, Mapserver (...
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2answers
1k views

Adjusting Transparency of Labels on ArcMap?

I am pretty new to GIS, and I am trying to figure out how to adjust the transparency of my labels. I know you have to convert the labels to annotations, but I can't seem to do that. I right click ...
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1answer
97 views

Transparency in stacked imagemosaics coverages

I'm using geoserver to stack several raster images that have different ELEVATION parameter (each ELEVATION "number" is a different layer so to speak). This raster images are 16-bit one channel ...
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637 views

Google Earth transparent weather KML file overlay

I am unable to make any of the weather overlays from the website below transparent/opaque once they are loaded into Google Earth. I have attempted to modify the KML file directly by using the ...
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0answers
105 views

Problem with overlapping transparency

I am making an Android app that has bathymetric lake data on a google map. I am new to GIS work. I get this info from the state of nebraska as an already formatted kml file. In the file they simply ...
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1answer
776 views

A nice display of hillshade and my geologic map

i want to create a nice hillshade map covered by a grid or RGB map, with similar colour results in ArcMap like this: Is there a way to achieve this in ArcGis without transparency settings which ...
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0answers
99 views

Combine two raster maps with transparency

I have two maps in geotiff format for exactly the same area with exactly the same geoinformation. The first one is a real land map, the second one is a satellite picture with clouds (rgba where alpha ...