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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Export properties of a featureCollection along with features of it in Google Earth Engine

I want to read an imageCollection, reduce all images in the collection by the region. and save the result. However, when I save the result, the properties of the feature Collection is gone. It does ...
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Exporting imageCollection using Google Earth Engine JavaScript API

I have an imageCollection that I want to analyze further. In order to do so, I need to export the imageCollection, as a CSV let's say. Let's say I want to do the plotting part in the following code ...
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Canvas element with 'width: 0' in OpenLayers 6 instance on Vue.js

I am using Vue components to generate multiple instances of OpenLayers in the same parent component. Ultimately I am attempting to export an image of each instance of OpenLayers using the html-to-...
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How can I extract the Dnbr value in Google Earth Engine?

I'm trying to export the Dnbr value of each pixel, but i don't know how to do. This is my code: //SENTINEL2 var poligono = ee.FeatureCollection('users/florianaspatola/grassano'); print(poligono) //...
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How to set image for Picture / IPicture for ArcGIS Desktop?

I am struggling with ESRI's Picture / IPicture Java documentation for ArcObjects 10.4. I just need to grab the image file from my project's source (src) folder, and cast that as a Picture. Here's ...
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1answer
44 views

Use high precision to convert image from one EPSG defined CRS to another

This question is based on another question: I'm converting multiple images (.jpg or .png) from one EPSG defined CRS system to another, e.g. from EPSG:31255 to EPSG:25833 (on a server within a Java app)...
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1answer
62 views

Make IPictureMarkerSymbol file path accessible to all users?

I've written a little java add-in button for ArcDesktop 10.4, in eclipse, which makes a new ArcMap layer with some points. (NOT Runtime) My goal is to assign a picture as the symbol for each of these ...
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70 views

Convert image from one EPSG defined CRS to another

I've got a lot of image files (.png or .jpg) that I want to convert from one EPSG defined CRS system to another, e.g. from EPSG:31255 to EPSG:25833, on a server within a Java app. For each image I ...
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1answer
40 views

Error: “ee.ImageCollection(…).subtract is not a function” (Earth Engine)

When I execute this expression: var ETfraction = (Thot-LST)/(Thot-Tcold) // **pseudo code** I get an error: ee.ImageCollection(...).subtract is not a function Why does this not work? Here is my ...
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70 views

Optimal alignment of satellite images taken separately over the same geographic surface

I am given two satellite images of a location which has been subject to a natural disaster, one before the disaster and one after. I am given bounding boxes for the images.The images have been ...
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1answer
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Importing EXIF Metadata into attributes fields in QGIS

I use to imports JPG images with "ImportPhotos". It lacks some importants EXIF Tags such : ISO , Shutter Speed, aperture, resolution and Field of view. There is an answer about how to import XMP ...
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Composition of features into attributes field using QGIS

For every feature of my map, I have to: I localize the feature with its coordinate X-Y I zoom into the canvas in order to center the feature and to obtain the scale wanted (depending of every ...
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1answer
127 views

Importing XMP Metadata into attributes fields in QGIS

I would like to import EXIF & metadatas of JPG images into QGIS. For each image, a vector were created by 'ImportPhotos' pluggin, it adds some EXIF into attributes fields but some importants EXIF ...
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50 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
28 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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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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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
190 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
61 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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2answers
116 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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35 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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1answer
92 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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36 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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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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44 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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100 views

Exporting map error from 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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51 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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1answer
47 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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265 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
32 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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1answer
74 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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31 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

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
39 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
40 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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2answers
308 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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1answer
80 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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3answers
96 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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27 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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1answer
49 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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1answer
57 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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How to plot Geoserver data (point data) as image on the map instead of vector plot? [closed]

Need the help to integrate it with angular 5 if possible.
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1answer
51 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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0answers
58 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
49 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
32 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
65 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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0answers
45 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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0answers
61 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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2answers
490 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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