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.

learn more… | top users | synonyms

0
votes
1answer
21 views

How to make background color transparent in maptiler?

I have maptiler 5.0.3 pro, and hundreds of 8bit per band .tiff files with transparent chanel Alpha. After batch convertion: "C:\Program Files\Maptiler Pro\maptiler.exe" -f png -nodata 0 0 0 -zoom 10 ...
4
votes
1answer
188 views

Both-sided transparency in ArcScene for extruded features

I'd like to extrude my polylines and make them transparent, but from both sides. As you can see below, the transparency works only on one side. I think it's something with the side-orientation. I can ...
3
votes
2answers
4k views

Exporting mxd to image with transparent background from ArcGIS for Desktop?

I cannot get ArcMap 10.0 or 10.1 to "Export Map" to a png or gif with a transparent background -- no matter what I set the background and transparent colors to. Thus, I created the following script, ...
8
votes
2answers
177 views

How to set transparency to multiple raster values with Python

With the following code I can set 100% transparency to raster value 0: map=None for lyr in QgsMapLayerRegistry.instance().mapLayers().values(): if lyr.name() == "some_layer": map= lyr tr=None ...
0
votes
0answers
8 views

Is it possible to serve png32 (with RGB + A) with Mapnik 2.2?

I have four separate rasters, combined into a GDAL VRT. I'm using mapnik 2.2 to export this data via an XML stylesheet that's passed to the python library landez. I'm able to write valid map tiles if ...
0
votes
0answers
19 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 (...
1
vote
1answer
234 views

Setting transparency of layer group with Python in QGIS?

How can I set the transparency for all layers within a group of layers? I assume this will require the use of a FOR loop in the Python Console. Based on How to set the transparency for multiple ...
5
votes
3answers
2k views

How to set the transparency for multiple layers or add a global transparancy preference?

How can I set the transparency to 27 % for all 245 layers in QGIS? The only way I know of is by right clicking on the layer name, selecting Properties, then Transparency and then moving the ...
1
vote
1answer
62 views

QGIS 2.14.3: I'm having problems when exporting my map to jpg

I am using QGIS 2.14.3 and I'm having problems when exporting my project to jpg (also when trying to export to pdf...). I have several shapefiles opened, they are basically polygons on a shapefile ...
0
votes
2answers
285 views

Pictures with no background or transparent in ArcGIS layout

I would like to add a .jpg, .png or .tiff with a no background. In other words, I want the logo to appear as it was created, without a border or background, to my Layout view. Also is it possible ...
1
vote
1answer
94 views

Creating symbology for polygon layer which has opaque outlines but transparent colored fills using ArcGIS for Desktop?

I am working in ArcGIS 10.2 and I run a Basic license. Is there a way to make the outlines/borders of a polygon layer 0% transparent, while having the fields themselves show up at around 20% ...
5
votes
4answers
171 views

ArcGIS 10.3: Insert rotated image without background

How can I insert this image into an mxd so the white background doesn't show up? I've tried using photoshop to delete the background and save it as a format that supports transparent backgrounds (gif ...
4
votes
1answer
66 views

Exporting ArcMap Animation with Transparent Background?

Because ArcMap (10.3.1) only exports animations at a screenshot level (not high resolution, at all), I would like to export a high-res basemap as a standalone image. It would then be ideal to export ...
5
votes
3answers
2k views

How to create transparent text?

I am trying to insert a watermark into a map using ArcGIS. As you can see from the screenshot, I have the text in place, although I need to make the text transparent (e.g. 50% transparency). I used "...
1
vote
0answers
19 views

How to unckeck automatically the “No Data Value” predefined on raster background on QGIS 2.14?

I'm trying to import a bunch of rasters, but there is a parameter predefined on the TIFFs, where says that No Data Value should be marked. But I need this unchecked. I opened the metadata, and found ...
6
votes
1answer
73 views

Showing density of overlapping features via transparency in ArcMap?

Below is a famous map produced by the Facebook team, which shows the connections between their users. Where there are multiple overlapping features, the lines show more brightly, giving a clear ...
2
votes
3answers
102 views

QGIS automatically set transparency for (#000000) pixels and save *.qlr

Starting with FME, i convert some hundreds of geotiffs to jpeg2000. The jpeg2000 writer does not support nodata-values. Adding the data to QGIS gives me these black (#000000) areas when rasters are ...
10
votes
2answers
6k views

Displaying transparent overlapping polygons in ArcGIS for Desktop?

I'm trying to draw home range maps in ArcGIS 10.1 and am having difficulty displaying them as I would like. The home ranges are in the form of polygons and many of them overlap. I'm trying to get a ...
1
vote
1answer
41 views

Is it possible to edit layer transparency in .sld or .qml file for use in QGIS?

Say I have a shapefile with 20 graduated classes that I'm using in QGIS. I want to save the layer style so that I can use it on other shapefiles, but I can't edit the layer transparency without ...
0
votes
0answers
30 views

QgsMapCanvas with semi-transparent layer causes graphic artefacts

I'm trying to set a background image (in my case a google map shot) for QgsMapCanvas with semi-transparent layers upon it. Therefore, I set alpha of background color for canvas to zero and create a ...
2
votes
1answer
71 views

Transparency control in svg symbols

I am mapping animals and have to display their locations in QGIS (2.12.3, Win7 64) with gender symbols (♂/♀). The outline of the symbols should be rendered in different colors corresponding to the ...
2
votes
0answers
58 views

Using the alpha channel of a GeoTIFF in Geoserver

I want to publish a map as a WMS using GeoServer. The map consists of several layers each of which is a GeoTIFF containing RGB channels and an alpha channel. The images were edited in Photoshop and ...
1
vote
0answers
115 views

OpenLayers add white background to image/png geoserver layer

i created a new wms layer in openlayers. i get the layer from geoserver as image/png and transparent=true. openlayers rotate the raster 30 deg (due to its coordinates - it's fine!) but add white ...
0
votes
0answers
33 views

gdal2tiles transparency error

I'm trying to get transparent pngs by running gdal2tiles.py -p mercator -r average -s EPSG:4326 -z 0-7 -a 0,0,0 -w google iev3.tiff tiles-new I get Warning 1: /var/folders/pq/...
1
vote
1answer
92 views

How to set opacity with gdal_rasterize

I am using gdal_rasterize to create a raster of a huge file containing polygons. I managed to generate the raster file with the right color and with the minimum size to tile it after with the ...
5
votes
2answers
10k views

Creating transparent marker/symbol in ArcGIS Desktop?

How can I create a transparent marker/symbol in ArcGIS Desktop 10? I am trying to do this by setting up the transparency of the layer, but the markers seem unaffected by this change. Any ideas?
4
votes
2answers
273 views

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 ...
0
votes
0answers
19 views

Making overlapping raster catalog entries

So I'm working in ArcGIS Desktop 10.1. I have a raster catalog in a gdb that has a few hundred entries with many of them overlapping such that entries that are stacked below another cannot be seen ...
1
vote
1answer
66 views

Getting transparent graphics in ArcGIS Desktop?

I have a point layer symbolized with a logo I created. I have the layer set to 50% transparency. I would like to manually rearrange these logos by converting these symbols to graphics. Once I ...
2
votes
2answers
100 views

How to remove all transparency from all layers?

I am using ArcMap 10.1 and I would like to remove all transparency from all the layers in the map at once.
2
votes
1answer
108 views

Displaying black background pixels in RGB raster as transparent (QGIS)

I have the following RGB raster and would like to remove the black background (where R=0, G=0, B=0). I'm using QGIS. The problem is that the raster itself also contains black pixels. Using the option ...
1
vote
0answers
62 views

ArcGIS layer transparency Issues

I'm using ArcGIS 10, working on the district boundaries of a country. I need to show certain cycles of a distribution and some of the districts are (partly/completely) covered in each cycle. Is there ...
1
vote
2answers
97 views

How to make the white background of an RGB raster transparent?

I would like to show on my map only the reddish pixels of my raster layer. Said in another way: I would like to transform my white background into transparent background so I can see my other ...
0
votes
0answers
75 views

merge tif file with No data

I have to 2 tiff files, both of file have No data values as in Image 1, when I use gdal_merge to mosaic both images to one image, the No data area turns to black, which I don't want, How to maintain ...
2
votes
2answers
176 views

Set transparency for raster in QGIS 2.12?

How do I make raster layers (Tiff) transparent? To simply right click and choose properties does not work, I do not get the option of making it transparent when doing that. In the raster menu, there ...
3
votes
1answer
264 views

QGIS: how to set transparency for OSM tiles layer?

I'm using QGIS 2.8.3-Wien in an Ubuntu14. My problem is the following: I'm using the OpenStreetMap tiles to draw maps of some specific regions. The problem is that, for some urban/rural regions, ...
2
votes
1answer
381 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 ...
4
votes
2answers
111 views

IRasterLayer background transparency in C++ with ArcObjects 10.x .NET

I have a georeferenced IRasterLayer which is displaying data from a PPM file with no alpha channel. I am trying to specify a color which should be treated as transparent. In ArcMap it is possible to ...
5
votes
3answers
2k views

How to change layer transparency without changing border lines?

I have a raster image of elevations. I have added a vector shapefile that contains local political divisions. I want to keep the elevation colors, but I want to keep the black lines representing the ...
0
votes
0answers
34 views

Transparent layers won't display correctly, but print OK in ArcMap?

Transparent layers are not displaying correctly in ArcMap 10.2 or in exported maps, but they do print OK. They look like this: The weird thing is - the transparent layers displayed fine a few ...
3
votes
2answers
2k views

Transparency in Labels/annotations

I am trying to get my labels transparent. I have converted them into annotation and unable to make the annotations transparent. I have kept annotation in the map. My annotation layer does not appear ...
1
vote
1answer
38 views

Prevent Overlapping Features in QGIS from Being Faded

I have multiple layers in QGIS that I've set as transparent so I can see their respective features. However, I would like one layer (showing proportionally sized points) to NOT fade when it overlaps ...
1
vote
1answer
26 views

Setting Transparency in .IMG format

Is there a way for QGIS make just the black value (255,255,255) on an .IMG format file transparency. Right now their transparent option makes the whole image transparent.
0
votes
0answers
73 views

CartoCSS: raster custom transparency color value?

In QGIS (and probably other GIS tools) you can style a raster layer such that certain pixel color value(s) will be rendered as transparent. In QGIS 2.6, this can be set in Layer Properties -> ...
1
vote
0answers
381 views

Using WMS layer transparency with Geoserver, Openlayers and Drupal?

I am using OpenLayers in Drupal to display Geoserver WMS data. I can get the layer to overly properly, however the raster layer (png) has a white background I cannot remove. I have created a style in ...
2
votes
2answers
242 views

Changing the transparency of a raster layer with ArcObjects

I'm trying to do some simple things with the .net framework and ArcObjects, but have little experience with this type of development. I would like to iterate through the layers in a map document and ...
2
votes
1answer
74 views

How to maintain transparency of a layer during edit sessions?

I'm editing the polygons of one shapefile to more closely match the polygons of another shapefile, essentially tracing the one over the other. I've set the transparency of the layer under edit to 75%, ...
1
vote
0answers
132 views

Gdal_translate and transparent rasters in PDF

I am trying to make an application that creates geospatial pdf's from my website, but I am encountering problems with Gdal_translate and transparency of rasters. The setup that I am working up ...
0
votes
0answers
33 views

What is the cheapest way to make all objects from GraphicsContainer transparent?

I am changing arcobjects 10.1 project with a lot of legacy code. I need to make all objects transparent on the map. This objects (points, different sectors, polygons, etc) are persisted in ...
6
votes
6answers
10k views

ArcObjects - Create and Draw a Transparent Polygon

I'm trying to create a transparent Polygon in ArcMap; however, it's never transparent. Here's the code I have. // Create polygon IPolygon polygon = new PolygonClass(); // create & add points,......