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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77 views

Launching hyperlinks using non default Windows Viewer in ESRI Web Applications

We have developed a custom Python based image viewer, which we would like to deploy in Portal for ArcGIS for viewing hyperlinked images (through attribute tables). We can't use the native Windows ...
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1answer
53 views

Embedding 2500 images into feature class using ArcGIS Desktop?

How can I automate embedding images into a feature class attribute table? I am working with a point feature class within a geodatabase that has a total of 2500 rows of data that need two image ...
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0answers
360 views

Import multiple images into attribute table

Does anyone know how to tie multiple images to attributes within a shapefile attribute table at once? I am working with a point shapefile within a geodatabase that has a total of 2500 rows of data ...
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0answers
64 views

Make images/PDFs in QGIS from Vector Layers [closed]

I have a bunch of vector layers and a few polygons that I want to use to create a image out of while having my image in the background of an aerial photo. I am unsure what commands to use to ...
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1answer
241 views

Navigate through non-geographical maps

I'd need to navigate through and mark non-geographical maps. I used Leaflet.js example to do that (http://leafletjs.com/examples/crs-simple/crs-simple.html), and it's working, but my images would be ...
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1answer
675 views

How to add dataURL image as source in OpenLayers?

I am building a web application with OpenLayersthat should have offline map support. I save pictures from a WMS server to the browser cache and load them from the cache as a dataURL. The next step is ...
3
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1answer
134 views

Performing image classification from Nearmap WMS in ArcGIS Desktop?

I have a subscription to Nearmap that provides me with WMS Server link to their images. I would like to perform image classification using this imagery however I can't work out how to use the WMS feed ...
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0answers
69 views

High resolution is RGB image is not coming clear and sharp?

I am woking with LISS IV image of Indian Satellite Resousesat-2. This image has 3 bands i.e., NIR, Red, and Green band and spatial resolution of five meter. When I view the image in ArcGIS the ...
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0answers
16 views

ArcGIS Attribute Image Download [closed]

I am creating a database which has to consist of images (the images are older survey PDF plans that I have been saved as jpgs). I understand the feature has to be in a geodatabase, then the attribute ...
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0answers
301 views

Generating shapefile polygons from png

I'm trying to generate shapefiles from png image and isolate polygons by colors. I'm using gdal_translate to georeferencing image to GTiff and gdal_translate.py to convert GTiff to shapefile. ...
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0answers
31 views

Reposition geotagged image on mapoeg [closed]

I am building a map in leaflet, rendering a variety of layers on top of the map. One layer contains geotagged images fetched from a folder (with Leaflet.Photo). Some of the images GPS locations are ...
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0answers
20 views

Too many fields, cannot see them in qgis2web

I have too many fields, so they can't all be seen, is there a work around for this? see this image As you can see the info "bleeds" over and you cannot see it, I need to reshape that as a box ...
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0answers
267 views

Including image in callout using ArcMap?

I'm using ArcMap 10.3 and creating a map of 30 properties where each property needs to include an image within the callout. The final product has to be a printed map. I'm familiar with creating ...
2
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0answers
356 views

Using ArcGIS Maximum Likelihood Classification gives Error 010108? [closed]

I am trying to find trees of a single species (Cedar) in my orthophoto. My assumption is that the spectral bands of cedar trees are different to other vegetation (they definitely look different). I ...
-4
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1answer
498 views

Download image files from wms service [closed]

I'm having trouble getting (georf'ed or not) images from here: http://gis.ktimanet.gr/wms/forestobjections/
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1answer
463 views

Why memory map file is larger than original slide

I am having a tiff slide with the dimension of 90112 x 100352. The slide size is 1.3GB . To process this slide i am creating a numpy memmap file with above dimension like below. If I check the size ...
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0answers
42 views

Cropping Oblique Photos to Geographic Feature

Let me preface this by stating that I know I'm in the GIS neighborhood and I'm asking a code heavy question, but my hiccup here isn't the programming - it's the GIS and associated math. I am writing ...
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0answers
690 views

How to reshape an array of points into an image

I have a numpy array of shape (1964, 3), in the following format: [ [ 0.3945, 52.700, 0.8 ], [ 0.3788, 52.121, 0.3 ] ] etc. Each nested array represents a point in the format of [longitude, ...
3
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1answer
295 views

Using PCI Geomatica 2016?

I've been experiencing some trouble when inserting some optical satellite imagery into PCI Geomatica 2016 (Trial version). Whenever I open my .TIL file, an X appears beside its name in the Focus' ...
0
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1answer
1k views

How to find out Actual coordinate(pixel values) of chunk relative to the actual image?

I have an image of let say 500 X 500 px, I created tiles/chunks of size (10, 10). Now I want to find out actual chunk coordinate relative to the Original 500X500 px image. Ex I have first chunk of ...
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0answers
136 views

Solar Potential roof-top analysis using GIS and Remote Sensing [closed]

3D Building models were generated by using Google Sketchup Pro and Google Earth. Then shadow casted 2D orthographic raster models were exported as TIFF or JPEG format. For further analysis with ...
3
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2answers
730 views

How to drape image on surface using open source software?

I have a image with a known projection - say an aerial photo. I also have a raster surface grid with the same projection - say a DEM. Both are in the same projection. Both have the same extent. How ...
3
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1answer
94 views

Buying hyperspectral digital imagery?

I'm planning a research that includes couple Ikonos, QuickBird and GeoEye digital images. Until now, I have had no luck getting answer from the official website of Landinfo. Is there any other way ...
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1answer
1k views

How to change Numpy array shape [closed]

I have an array (Numpy of shape (100, 256, 256). How can I change this to (100, 256, 256,3)? I tried doing reshape but it doesn't work, Can anyone help me.
4
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3answers
475 views

I cannot find full Sentinel-2 scenes

I want to download Sentinel-2 images of "Navarra" zone from June to December of 2016. I want to download all swith image (all tiles in a SAFE file) but when I search this I only can download up to ...
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0answers
7k views

Zero-size array to reduction operation maximum which has no identity

Below is my identify background code, which identifies a background from an image and removes it.; Previously it's was working fine but after I chunked my images and try to find out background I got ...
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0answers
465 views

How to host kmz file for Google Earth Pro network link

I have a repository consisting of a large number of image overlays, polygons, and 3d polygons in Google Earth Pro. The image overlays are linked to and stored on a windows web server and it works fine ...
3
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0answers
118 views

Image & limit user access by poly

Wondering how do I clip images to polygon outlines in a web map application based on OpenLayers or Leaflet? How can I limit web map users to see (visualize; qualitative) or query (quantitative) within ...
1
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1answer
241 views

Adding a fixed infobox showing an image when clicking on a feature

Each of my data points have a different image. The images are uploaded to a web server and on CARTO I created a column with the url {{image_url}}. This works fine when showing the images on hover ...
0
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1answer
214 views

CARTO DB / Adding images using layer.on('featureClick',function(e,latlng,pos,data)

Each of my data points have a different image. The images are all loaded in CARTO and the column has a name. I need to call each of the images on click event. I've been using the layer.on('...
2
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4answers
1k views

Is this satellite image of a blackout real? [closed]

Puerto Rico is currently experiencing a massive blackout. 1.5 million homes without electricity. There is a meme circulating with the satelittes of the carribbean before and during the blackout. ...
2
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0answers
387 views

Performing unsupervised k means classification in QGIS? [closed]

I'm running QGIS 2.16 on Windows 10. I'm looking to perform an unsupervised K means classification on a geoTiff image I have from a multispectral camera surveying sugar cane fields. Alas, the ...
1
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1answer
265 views

GDAL get pixel color

Has a problem. I have an tiff image (that have 4 layers). My tasks is to make small changes in pixel's color to make image better. In this case I use GDAL library. My source is: GDALDataset *...
1
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1answer
1k views

Calculating Accuracy Assessment in QGIS?

Is there a way to calculate an accuracy assessment in QGIS? I have around 300 points. At each point I extracted the value of the pixel. I compared the extracted value with the value which should be ...
1
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0answers
241 views

4 Band JPEG2000 compression for RGBNIR

The South African National Mapping Agency acquires multispectral imagery (R,G,B and NIR)and currently compresses its aerial imagery with JPEG compression with a TIF wrapper. So we give out JPEG (Q3) ...
1
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1answer
586 views

Image disappeared after changing CRS in QGIS?

I am using QGIS 2.10.1 Why my image disappeared after changing the CRS? My procedure: Project>Project properties>CRS Enable 'on the fly' CRS transformation After I choose the desired CRS, my image ...
5
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1answer
424 views

How can I achieve high quality supervised classification?

For the supervised classification I use: QGIS, Semi-Automatic-Classification Plugin, a Landsat-8 Satallite Image and the CORINE Land Cover classes (http://uls.eionet.europa.eu/CLC2000/classes/...
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1answer
1k views

Calculating Percentage of land cover/land use images in ARCGIS [closed]

I want to ask how each land use percentage can be calculated to show water, settlements, forest, agriculture percentages. Can you suggest the process?
0
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1answer
264 views

Mapbox GL JS embed image in toggle menu

I would like to embed images inside of the toggle controls so that the user can use the toggle menu as a legend, how do I go about this using Mapbox GL JS? <!DOCTYPE html> <html> <...
0
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1answer
139 views

Annotating satellite images in the field

I have high res satellite imagery of my remote field location through Planet. I am working with indigenous communities on participant action mapping and would like to be able to annotate my images in ...
2
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0answers
68 views

Cutline mosaicing areal imagery with open source software [closed]

I'm very new in gis, and i'm trying to find a fast solution to merge 200 historical areal images(black and white from 1944). I orthorectified them manually, using gcp-s. They have 1 to 10 meters error....
3
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3answers
3k views

Adding excel table to QGIS print composer?

Can anyone suggest some ideas to add a excel table to the print composer which will then be exported as a A3 png while retaining resolution. Attempted pasting in word as an enhanced meta file then ...
0
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1answer
790 views

Converting PNG map to polygons with colors and value using ArcGIS for Desktop?

I need to use this map (PNG file) in which each color is a population density: I've already located it using Georeferencing. Now I need to convert it to shapefile with polygons, and narrow down its ...
1
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0answers
128 views

QGis through python script : no map exported (map will be printed here)

I am very new to GIS in general and even more to QGis. I have a pretty simple task which is to import all shapefiles in one folder, style them and finally export them. I have wrote python code that ...
3
votes
1answer
162 views

QGIS QImage, can't specify a specific path

I'm a newbie in QGIS and I have to write a small python script to automate shapefile loading, applying style and save image. I'm having trouble on this last item. Here is the thing: img.save("render....
2
votes
2answers
2k views

Adding image links in GeoJSON object to get images in popup using OpenLayers 3?

I have added a geojson file on my map. By clicking on a geojson feature I am getting a pop up which is displaying geometry and coordinate values. Now I want to display image in a pop up also. How to ...
1
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1answer
114 views

Bands disappear after Raster Calculation ArcGIS [duplicate]

I have a tif file containing 36 bands. After I applied raster calculation on the file the bands aggregate into one single band which I don't want because I need them for further calculation. People ...
0
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0answers
645 views

Arcmap - add an image to a legend that is not part of layer symbology

I am making a simple map, showing store locations on a background. Each store brand is displayed with an image (a coloured square with a letter e.g. Aldi might be a blue square with the letter "A" ...
1
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2answers
78 views

Converting an image into a font to label point features

How do you convert an image (ex: company logo) into a font and store it within arcmap so that it can be called upon to label point features with?
2
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0answers
216 views

Non-HTML circle text labels on Leaflet map

I need to save image of Leaflet map with polygon, multi-polygons, circles and text below every circle. I have geojson file with circle and polygon coordinates (lat and lng). I managed to get image of ...