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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3
votes
0answers
17 views

Stripes and Distortion in classification result when performing maximum likelihood classification in ArcMap

I have trouble performing a supervised classification in ArcMap 10.3. I created training areas and executed the "interactive supervised classification"-tool, which works totally fine and gives back ...
5
votes
4answers
131 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 ...
0
votes
0answers
23 views

How to generate map image using OpenLayers?

I have a solution, which displays maps on a client using OpenLayers API. Now, I received a request to pre-generate the same maps as images on the server - so a standard web client shouldn't be ...
2
votes
2answers
38 views

Using SCP image classification to find swimming pools?

i'm currently trying to use the scp image classification plugin to find swimming pools in an aerial image. It is just an RGB image as if it had infra red this'd be a lot easier. Does anyone know how ...
0
votes
0answers
12 views

ArcGIS Online Inserting Image Problem

Within a story map application I am trying to add pictures to the titles. I am adding the picture through HTML code and it works, but for some reason it adds a maximize button to the image. This ...
1
vote
1answer
33 views

HTML ArcGIS Online inserting image issue?

Within a story map application I am trying to add a picture to the title. I am adding the picture through HTML code and it works, but for some reason it adds a maximize button to the image. This ...
1
vote
0answers
21 views

How do I make a ratio image on Erdas Imagine 2014?

I have a stacked image but want to divide bands 4/5/. I have built a model on the model maker but the resulting image is completely black after running the model. When I open the attributes table the ...
0
votes
0answers
26 views

Converting PostGIS data to image [duplicate]

I have an image showing the height information of a map. I have created a table using the 'raster2pgsql' command. This table stores the height values of the map. Now I want to create an image out of ...
0
votes
0answers
14 views

Loading raster image in IGIS?

I am trying to load a raster image into IGIS and have followed the manual. My process_exported a raster image from Global Mapper to Map Tiler, zipped the directories and sent them to Dropbox. ...
0
votes
0answers
12 views

Infowindows not displaying images after HTML editing [duplicate]

Using Carto DB editor and I can't seem to get images to display in the info windows - I'm not talking about images in the header (which work fine), rather I have a row with a link to externally hosted ...
1
vote
0answers
28 views

Individual tree extraction [duplicate]

I would like to extract individual trees in ArcMap 10.1. I have 1.3 meter resolution DSM data created from aerial images. I used Crown Height Model to extract tree heights (as attached file), but I am ...
2
votes
0answers
96 views

Is it possible to query/download satellite images with Python?

I was wondering if there exists a Python library/API for downloading satellite images. Ideally, I would want to enter the latitude and longitude of a bounding box and get a high resolution image ...
1
vote
0answers
13 views

Orthorectify large set aerial images [duplicate]

I have a large set of images that I want to stitch the together and orthorectify. They have been taken from a small aircraft. The camera of the aircraft is tilted, thereby, although gps data is ...
3
votes
1answer
63 views

Openlayers 3 - georeferenced ImageStatic

I am trying to display a georeferenced image (in 4326) over a Bing map in OL3. The ImageStatic is the following. var view = new ol.View({ center: [0, 0], zoom: 15, ...
0
votes
0answers
14 views

How do you add an image to a point location in ArcGIS 10.3?

I have a set of point locations (groundwater wells) and a graph of groundwater elevation for each location. Is there a way to show the graphs at their respective locations on the map, without having ...
2
votes
1answer
31 views

Flickr image doesn't show up on Infobox Header

I'm trying to put an image on my infobox header from Flickr and it doesn't work. However, images from Google work -- is there any way to make a Flickr picture work?
0
votes
0answers
26 views

Assigning latitude and longitude to a particular pixel in satellite image

Pixel of a satellite images can be assigned latitude and longitude, but how this is done as each pixel represent certain area depending on the resolution of image that can be too high to assign ...
2
votes
1answer
44 views

Images in my Click Info box are not appearing in both published CartoDB layers

I'm using the simple web version of CartoDB. I uploaded two datasets, each is a layer and both have the same image URL type (URLS for .png Twitter account images). When I visualise the maps ...
0
votes
0answers
86 views

R raster() function failed to read tif file

I wrote a few lines to load data in TIFF to R. The function I used was: library(raster) test <- raster("file name.tif",package="raster") and it worked perfectly last week. However, now I am ...
2
votes
1answer
36 views

Not able to add .jpg image in ArcGIS Online

I am trying to show an image in the customise popup for every feature in ArcGIS Online. For this purpose I am tring to add .jpg format image to ArcGIS Online. I believe this is an acceptable format ...
1
vote
0answers
78 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 ...
2
votes
2answers
92 views

Convert PNG to GeoTIFF: Invalid pixelsize in geotransform array in FME

I'm converting PNG file to GeoTIFF. Here's the setup that I use in FME: PNGRaster -> RasterExtractor -> CoordinateSystemSetter -> RasterGeoReferencer -> ...
1
vote
2answers
63 views

How can I ensure the image exported from Print Composer is accurate?

I'm using QGIS version 2.12.2, and using print composer to export my map to an image file (I've tried pdf as well). In the print composer it displays fine - just a basemap overlayed with land type ...
1
vote
1answer
26 views

Changing Dataset Property

I 'm working on GDAL C++. But I have some trouble to change GDALDataset property. I have converted "jpg" to "bmp" an image. But I want to do read an image(jpg) to gdaldataset then change dataset ...
2
votes
1answer
72 views

Extracting NDVI using QGIS from multiple images to Excel?

I created 25 images in QGIS. Each image has different information about the NDVI of the area. How can I extract mean, max, and min information about the NDVI from each image and put it in Excel?
1
vote
1answer
287 views

how to show some markers on a static image using openlayers 3

I am trying to show some marker on the static image ie. Given a static image of certain size in feet and set of point in feets how mark some image or a marker on the static image using OpenLayers 3. ...
0
votes
0answers
44 views

how to place markers on the image using openlayer3

In openlayer3 we have a feature where we can use any user defined image as the base map like the sample shown in the link http://openlayers.org/en/v3.6.0/examples/static-image.html i want to place ...
1
vote
2answers
118 views

View image file from hyperlink in Arcmap identify tool result

I have a file path to an image file in an attribute table, eg; C:\GIS\ScannedMaps\Map1.png When I use the identify tool on the feature I can see the file path with the hyperlink lightening symbol ...
0
votes
0answers
65 views

How to add marker to user-defined image in OpenLayers 3

I am trying to add camera marker to the example http://openlayers.org/en/v3.0.0/examples/static-image.html I just have to add markers (camera image) randomly on the map. I have tried adding marker ...
1
vote
1answer
36 views

Google satellite Image_Features

What is the method to close labels and features on satellite images of Google maps? NOTE: I don't want to use classic version of google map or use of history of google map. What i want to remove or ...
2
votes
1answer
180 views

dojo/request a png image array buffer using NodeJS, and return the image to the client

I am attempting to request a png image using NodeJS and dojo/request from an ArcGIS Server REST feed, and return the image to the client. I need nodeJS to add a token to the request as a query ...
1
vote
0answers
21 views

parallel row detection from binary image [closed]

I have an image and want to be able to get those lines at the left side where they are clearly parallel and those little horizontal lines like at the right side don't exist between them. I used ...
0
votes
0answers
17 views

How to add image to Globe using ArcObjects

I'm using ArcObjects 10.3 .NET. I need to programmatically add .jpg image to Globe. Image is not georeferenced, but I have four points for bounding polygon (not rectangle). What I need to do is ...
4
votes
1answer
89 views

Select feature one by one and save it as image

I have used following code for selecting the features and save it as image. layer = self.iface.activeLayer(); layer.setSelectedFeatures([]) count =layer.featureCount() lstChalta = [] lstFeatures = ...
1
vote
0answers
27 views

Using same ROI/Signature for classifying spatially different rasters?

Using QGIS SCP Plugin, I have classified a raster of a state. Can I use the same ROI/signatures to classify rasters of other states?
1
vote
2answers
72 views

Creating a mosaic from multiple Landsat scenes on Qgis

I wish to produce a large image. As a base use cloud free regions of multiple Landsat images. I wish to keep the bands and be able to work with the generated mosaic just like a "normal" Landsat image. ...
1
vote
1answer
167 views

Is the reflectance required to get the NDVI, for Landsat 8 images?

I'm a beginner in satellite optical imagery. I have a landsat 8 image (11 bands downloaded from http://earthexplorer.usgs.gov/) for which I need to calculate the NDVI (Normalized Difference Vegetation ...
0
votes
0answers
23 views

QGIS Uploading images or files for features

I am using a QGIS 2.12 project and I would like to know if it is possible to upload files and photos for each element in a layer. The files should be stored for example in C:\myproject\files I can't ...
2
votes
1answer
34 views

Landsat 8 images acquisition_date

I need to know the exact date of image acquisition for NDVI purpose, the date on image name is " LC80920852014222LGN00" is in Julian date, but in meta data it says"acquisition_date>2014-08-10" , I ...
0
votes
0answers
13 views

How to add an image to collapsed L.control.layers

i got my layers working with this code: L.control.layers(baseMaps,{'<img src="myimage.png" /> Test': json_TestJSON,},{collapsed:true}).addTo(map); This is what i dont like: the white empty ...
1
vote
1answer
50 views

Problem with low quality tif

I have the problem with low quality raster. Now it looks like this: I would like to change this to looks like this: Im using ArcGIS, ArcScan. After some work with photoshop and reclassify with ...
1
vote
0answers
24 views

Export SQL table with images to Qgis

In MySQL Workbench 6.3 CE I created a table with some columns. One of this columns is of data type 'BLOB' to insert an image. Now i am looking for a way to export this table and import this table ...
0
votes
1answer
133 views

Openlayers 3 how to get if an image loaded ol.source.Image

I'm trying to detect if an image exists or not when I try to load it. layerPrec = new ol.layer.Image({ name: "imgprec", style: 'imgprec', ...
1
vote
1answer
44 views

How to add an image to a point in QGIS?

How is it possible to add an image to a point in Qgis I was thinking about something with html and actions The following example is made by the plugin Qgis2web. But the image wouldn't show. The ...
0
votes
0answers
17 views

Trouble with embedded images

The GIS file I'm working in (ArcMap 10.2) has several points that are labeled. Instead of using text however, the person before me labeled them using something different. Whenever I click on the ...
2
votes
1answer
44 views

How to obtain coordinates from points with similar symbol in an image?

I would like to obtain a table containing all the coordinates of the triangles in the following image. I know it is possible to georeference my map using the georeferencing plugin and then I can ...
1
vote
1answer
243 views

How to overlay unprojected image in openLayers 3

I need to overlay an image that does not move with the map layers. I've considered using the ol.control.Control, as the doc specifically states they can be "informational only," as in my case. All the ...
3
votes
1answer
134 views

Otsu thresholding and classic image processing algorithms on radiometrically calibrated Sentinel-1 SAR images

Is it possible to apply the Otsu thresholding (or any other image processing algorithm dedicated to image digital values in the interval [0, 255]) to a Radiometrically calibrated Sentinel-1 SAR ...
0
votes
1answer
61 views

Raster Image Importation

I am trying to open a raster image file in Arcmap 10.3 . I have the AUX File, a JGW file , 2 XML Document files ,and a RRD file. It imports into Arcmap 9. However, Arcmap 10.3 does not import the ...
0
votes
1answer
43 views

Embedding a leaflet map onto a blog

I've created a leaflet map using maptiler. It's created a leaflet HTML file, which links to PNG images on my desktop and displays the image. How do I embed the map onto a blog such as tumblr?