Questions tagged [image]

A representation or description of a scene, typically produced by an optical or electronic device, such as a camera or a scanning radiometer.

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1answer
75 views

Can legends be exported as image in CARTO BUILDER?

How to add a legend when exporting a BUILDER map as jpg/png image?
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31 views

Exporting image of modeled data in Google Earth Engine results in too much mask

I am using harmonic regression in Google Earth Engine to model NDVI values for 2011. I would like to export the modeled values for every semi-monthly time-step (twice a month). However, if there was ...
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1answer
18 views

Leaflet set the ImageOverlay switched off at the initial stage

I would like to set my overlayimage off when reload the map. According to the link: https://stackoverflow.com/questions/46043995/set-leaflet-overlay-off-in-the-layer-control I tried sth like this: ...
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52 views

Google Earth Engine - getting download URL of reprojected image not working?

I am using the Google Earth Engine Python API. I'm having a strange issue where when I try to generate a download URL for an image, it works fine. But when I reproject the image before generating ...
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28 views

Combine two images in Google Earth Engine

I want to combine these two images. So I do not need to open two maps to work. It takes forever to play with two maps. This is main map(colourful one). range : 0 - 17 var all_sld_intervals = ...
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2answers
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Configuring ArcGIS Pro Pop-up with same Image for every feature

As a step to a better understanding of my options for configuring ArcGIS Pro Pop-ups with an Image, I have gotten as far as right-clicking on a layer, choosing Configure Pop-ups to open the Configure ...
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0answers
25 views

Wrong values after resizing (resampling) rasters using cv2.resize (Python)

I have two images (aerial photographs): ImageA is 4740x4240 and cell size is 0.1 m ImageB is 1849x1653 and cell size is 0.25 m. I want ImageB with the same size than ImageA. I used the following ...
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1answer
338 views

EE:A region must be a GeoJSON Polygon or LinearRing. Got: 'MultiPolygon'

Tried to export transition classes for a region of interest. I cant export image to drive for my selected feature collection. Getting an error after running for a while,"A region must be a GeoJSON ...
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1answer
202 views

Invalid or nonexistent map configuration token

I get the return message NON-VALID PICTURE URL in the POPUP in the CARTO map. when editing in CARTO I get the "Invalid or nonexistent map configuration token". Please forgive my ignorance as I am a ...
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1answer
139 views

Creating vector (with lines/polygons) from raster based on paper map in QGIS

For a task I have several maps created with GIS that look like the following: I am mainly interested in the colored zones that aren't roads (red) or rivers (blue) and would like to turn these into ...
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1answer
21 views

Getting geometry of Image in Google Earth Engine

I have an image which is from type 'ee.Image' and I want to extract its geometry so that: im_geo = im.geometry(); but the geometry function of 'ee.Image' is DEPRECATED! Is there another way for it?
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1answer
243 views

ReadAsArray() equivalent in C

I'm new with GDAL ... and I'm trying to write some code where I have to read a .raw image and store it as an array of 32-bit floats. It seems that it is easy with python, I just have to use: array = ...
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1answer
63 views

Showing image (photo) stored as PostGIS base64 in ArcGIS Desktop

I have a PostGIS table which stores point data with images as attribute (in base64 data type). I would like to show the pictures from the column "bild" of the attribute table which look like this in ...
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1answer
66 views

Add popup images to polygons

I am already having a multi polygon layer of plantations in QGIS 3.8. Now I want to see popup images of the plantations when the mouse rolls over or clicks the polygon shapefile. I have until now ...
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2answers
2k views

How to add pictures to OpenLayers map using GeoServer?

I have web map showing land parcel and buildings.I am using GeoServer WMS and OpenLayers. My buildings are showing as point on map. Then I want to add some images to those points to show when ...
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0answers
26 views

QGIS- Widget Photo Attachment do not show photo (small pix)

I have attached photos with their file path in the column. And I have set the height and width of the photo. but it does not work to show the photo on the attribute table. and this is when I show ...
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0answers
8 views

Filter collection with millis data on MODIS

I'm trying to split a modis collection in two others, using like a splitter a data time that's defined in millis. I don't want to do it manually. var maskMOD13Q1 = function(image) { var qa = image....
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0answers
41 views

Displaying images as part of multiattribute labels using QGIS

I would like to display images referenced in an attribute column as part of a multiattribute label, so that I can eventually print them with the map. I do not want to display geotagged images, since ...
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0answers
44 views

Determining average RGB values of raster layer image inside selected polygon

I have a layer which contains a number of polygons(around 10,000). My work is to check the imagery layer colour inside of that polygon and write a colour in the 'Ceiling_ID' field based on its average ...
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0answers
47 views

Exporting map error - QGis

Whenever I try to export a map as an PNG image I get the 'successfully export' message but there is no file generated. The error happened in Zanzibar so I changed to Noosa but I still can't export the ...
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2answers
134 views

Adding time stamps to animation slides with OSS tools [closed]

I would like to create an animation from a set of PNG files and apply labels (time lapse values) on each of the PNG files. The PNG files were actually heat maps that were generated by interpolation. ...
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24 views

Filter out duplicate Sentinel-2 Images form Earth Engine Image Collection by date

I'm stacking all the images from Sentinel-2A from the L1C image collection, but when viewing the images beforehand, I see that there are duplicates images, same imaging date but different processing ...
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163 views

Export: Error: Internal error. from Google Earth Engine

I'm attempting to export an image by a time block for a particular census KML using the method below. Earth Engine is kicking back "internal error". As the error is not very helpful, I am having a ...
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1answer
26 views

Image with background as feature style

I'm working on project that uses Open Layers. I have a problem with styling some features. Is it possible to set as Style image and also specify fill and stroke for it, for example background of the ...
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3answers
64 views

Linked popup image in GeoJSON file

Developing the issue solved in this post: Trying to pop up image in GeoJSON file? I would like to have each GeoJSON image thumbnail possible to open in larger window. I was trying to connect with ...
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1answer
42 views

Fit view to ImageStatic size

In OpenLayer 5, i've a long rectangular SVG image (like 7000x600 px) as main layer. I need to limit the view and pan only to its bounds. I tried the code below, but when zooming the layer can't panned ...
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0answers
23 views

How to use SVG file as the source for a layer in OpenLayers

I found this solution online but this is defining your own projection. I do not want to use the projection below, I want to use 'EPSG:2326' and put the svg file over the map such that it overlays on ...
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1answer
30 views

Deleting Picture Element using ArcPy in ArcGIS 10.3 Desktop?

I'm trying to delete a Picture Element from 45 MXDs. This code is a start for me: import arcpy from arcpy import env env.workspace = r"G:\PROJECTS\landuse\gis" for mxdname in arcpy.ListFiles("*.mxd")...
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1answer
25 views

How to keep the image of a collection that are integrally contained in a geometry boundary in Google Earth Engine?

I have an image collection and a geometry ROI var ROI = ee.Geometry.Rectangle(-78.20688664502586, 34.67650023609108, -77.65207707471336, 35.216816430066366); var l5 = ee.ImageCollection("LANDSAT/...
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1answer
29 views

QGIS georeferencer distorting colours?

I try to use the georeferencer to geofreference certain building plans, but the referencer really distorts colours: As you can see in the picture. it hollows out what used to be solid red, black and ...
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1answer
38 views

In QGIS: NetCDF image too pixelated

When i import NetCDF file (.nc) to QGIS then I get a picture that consists of quite big pixels. Is it somehow possible to soften those pixels to get something like this:
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1answer
50 views

Label or font colors on an imagery background examples

I have been in searching of a website that was done by somebody from ESRI that wrote about...if I remember right...it was in either on the ArcGIS Mapping Center or in the ESRI Technical support ...
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2answers
157 views

Coordinates of image corners for ImageExtent in Openlayers 5?

It is possible to get the coordinates of the four corners of the image, given the center of the image coordinate? or the bottom left and upper right corners? Currently, I am center the map in the lat/...
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0answers
183 views

Keep high resolution on image export?

I'm currently trying to export a PDF from an image service that we have hosted. The imagery looks great within Arcmap, but the exported imagery looks really rough (coarsened). Does anyone know what ...
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1answer
52 views

Trying to pop up image in GeoJSON file?

I am trying to put an image inside the geoJSON file. I know, that Geojson works as string and I cannot input the image directly, however I found some stuff, like this below: http://www....
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1answer
40 views

WGS84 projection is invalid for aggregations

I am trying to extract the pixel value from the last image of an image collection. The problem is that when I do so, I get an error stating the following: This is my code for extracting the pixel ...
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0answers
24 views

Multiply two image collections with different sizes based on dates

I have two image collections. They are both filtered by date beginning on Jan 1, 2019, and ending on today's date. The size of the first (kc) is 35 images and the second (ETo) is 225. The first has an ...
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36 views

Mask out areas inside a feature collection on Google Earth Engine

I am quite new to javascript and I am trying to apply a mask on an image to exclude areas inside a feature collection, I have seen that for the case of image collections the "mask" and "mask.not" ...
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1answer
43 views

Digitize image / fantasy map without projection

I have an image where I know the distance between two points in meters (say 800). How do I import this image in QGIS (3.8) so that I get this distance when I measure with the tool in the toolbar? ...
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1answer
46 views

Update image geometry from another geometry (GEE)

I have a set of images I have processed. Unfortunately, the geometry of the image processed do not always fit the image data. Problem: Let's assume I have an imageCollection. Then, when I would like ...
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2answers
255 views

Using Open Google Earth cache file in QGIS?

I have a Google Earth cache file. Is there any way to open the Google image from a cache file in QGIS 3? I had done it in standalone PC successfully. Does it works also in Mapped Network Drive also....
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2answers
961 views

Seeking Icon library for custom GIS software? [duplicate]

I am building a desktop application and currently utilizing a mix of icons for pan, select, zoom, attribute table, etc that have been randomly taken from the internet and modified. The overall look ...
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2answers
302 views

Create kmz with coordinates from images and thumbnails for symbols

I have about 110 geotagged images and am looking for an effective way to create a .kmz which contains for each image a point based on its geotag and uses a thumbnail of the picture as symbol. Clicking ...
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0answers
35 views

QGIS automated export to image of multiple layersets

I have one project that contains layers in QGIS. Every layer is a quarterly update of my fairway showing the fairwayprofile and aids-to-navigation of the whole of my administration area. My current ...
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1answer
57 views

How to Sample Locations from a Satellite Image

I am using the Near infrared and red bands from satellite images to research soil quality in southern Africa. The study site is about 20 km wide and 20 km long so almost square shape, and I am using 5 ...
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0answers
57 views

Charting Normalized Difference of Image Collection?

I would like to get the normalized difference of each image within an image collection (In this case Sentinel-2) for a specific polygon/geometry and then chart the values calculated for each image. ...
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0answers
160 views

How to dynamically provide input for contour thresholding in openCV

I am the following codes for getting the contours in openCV # load the image, convert it to grayscale, and blur it slightly image = cv2.imread(args["image"]) gray = cv2.cvtColor(image, cv2....
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0answers
36 views

How to pixelwise annotation with QGIS

I need to create masks with QGIS of hedgerows for satellite images (raster) segmentation. I tried with the SCP plugin but I can't use growing algorithm because I only want to keep hedgerows, not ...
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0answers
56 views

How to access BLOB file from database table published to ArcGIS REST service

I have published a query table that contains a BLOB field to ArcGIS REST and have not been able to access the images. I tried using esriRequest, but the response type that returns is text, and I think ...