Photographs taken from an airplane or another aircraft within the Earth's atmosphere.

learn more… | top users | synonyms

7
votes
3answers
289 views

Is there an efficient way of sending a large raster image?

Rather simple question: I have two large raster images that are stored in ArcSDE. I need to send these images to someone else, and post it on their ftp site. What is the most efficient way to send ...
1
vote
0answers
20 views

Using historical imagery Google Maps API for Business

Is there a way using Google Maps API for Business to see historical aerial imagery, like you can in Google Earth Pro, with the slider bar they have at the top of GEP?
6
votes
1answer
82 views

Automating clipping of aerial photos

I have received many unclipped Colour Infrared Aerial photos (around 1000) which have been georeferenced but still have the black thick borders including flight information etc. The images are of ...
3
votes
0answers
27 views

Guide to aerial or space data types and availability

I am overwhelmed by the variety of types of satellite and aerial data (images?) available online. For example, at the USGS Earth Explorer data page, I see AVHRR; CEOS;Ikonos and OrbView; EO-1; GLS; ...
1
vote
0answers
44 views

Old imagery WMTS

I am looking for a web imagery tile service that provides old imagery, in the same vein as Google Earth's old imagery, but one that could be integrated into an OpenLayer or Leaflet map. Any idea ? ...
0
votes
0answers
48 views

High Resolution Imagery in the public domain

Needed a online high resolution imagery for USA free to be used anyone for personal and commercial* purposes. RGB 2012-2015 Whole country coverage 0,5-2 meters per pixel WMS or TMS Any ...
0
votes
1answer
72 views

Land cover modifications in different time periods

I have several shapefiles which contain buildings built in different periods from 1948 to 2013. My question is how could I see which buildings for example in were built 1948 but are missing in later ...
3
votes
2answers
1k views

Using Phantom 3 Pro to capture aerial imagery for small site plans and derive DEM?

I am curious if this consumer UAV can be used to capture imagery for further processing to stitch seamless imagery and to use as input into stereo/photogrametry software to create reasonably accurate ...
2
votes
2answers
337 views

Counting plants in aerial images using unsupervised classification?

I am relatively new to GIS and I have the following problem: I want to extract the number of plants per row in a crop land. I have and RGB mosaic from aerial images. I think that I could do an ...
2
votes
1answer
160 views

Problems exporting aerial imagery from QGIS

Looked around but couldn't find the answer to my question, so here goes. I am trying to export some decent quality (300dpi) aerial images from QGIS using the OpenLayers plugin. Sometimes it works, and ...
2
votes
2answers
288 views

merging raster aerials in QGIS issue

I follow the instructions here very closely and yet every time QGIS gets caught in a loop. It takes a few small rasters totally less than 100mb and creates HUGE gb files and will not stop until ...
1
vote
1answer
89 views

How to avoid the ESRI basemap (Bing imagery) to update?

In my ongoing research, I intend to map transformations. That implies that, based on the ESRI basemap from Bing imagery, I draw certain features (in different layers) as they are today and as they are ...
1
vote
0answers
160 views

Extract Aerial Imagery using QGIS

I need to create city-wide (Warsaw in this case) aerial based map, pretty detailed (clearly visible buildings and possibly 1-pixel-sized cars. So far the only way I found is: Using this method: ...
3
votes
1answer
187 views

How to digitize RGB TIFF automatically

Is it possible to digitize RGB TIFF by color - I need to select all the vegetation cover types from the image below, which is a part of an aerial photography of an island ...
2
votes
0answers
830 views

Best practice for aerial photo stitching and georeferencing

I need to georeference 53 air photos from 1981 (1:25,000 scale) and was wondering what would be the most efficient, defensible, and accurate option. For context, the air photos are following a highway ...
0
votes
0answers
116 views

Ortho-rectification of Aerial Image

I took an aerial image of our farm using RC quadcopter. How am I going to orthorectify this image? Please can you help me with detailed instructions/methods involving the process.
2
votes
0answers
45 views

Looking for a QGIS solution to make aerial imagery ArcSDE compatiable [closed]

Would like to avoid having to use 3d Analyst and use free raster tools in QGIS or elsewhere to make aerial rasters ArcSDE compatible. This 18 page work flow is what I am trying to use. Any suggestions ...
1
vote
1answer
67 views

Clipping aerial image pairs by their overlapping area

I have a set of aerial images which I am trying to clip by their overlapping areas, for use in a more involved program I am writing. Is there a command line based tool out there with an easy method ...
1
vote
0answers
72 views

Clip Aerial Image Pair by Overlapping Area?

I have a set of aerial images which I am trying to clip by their overlapping areas, for use in a more involved program I am writing in Python with Python Imaging Library (PIL). Is there a command ...
1
vote
2answers
141 views

Cropping aerial image using Python?

How can I crop an area from an aerial image knowing the latitude and longitude of the image's corners and also the cropped section? I have a LiDAR scan and I and want to crop an image overlay to fit ...
1
vote
1answer
223 views

.ecw versus.ers

I have two (seemingly identical) historic Aerial photos of my county of interest. One has a .ecw file extension and one has a .ers extension. I've been using the .ecw without trouble, but wanted to ...
0
votes
0answers
29 views

How to do K means clustering of anistropic diffused image?

I am trying to detect edges and i have done a anistropic diffusion of the image to get the diffused image. How do i do the K means clustering now of this diffused image in CIE labspace ? (Not orignal ...
0
votes
0answers
45 views

How to estimate the area of rooftops of buildings after detection?

Presently, i need to find out the area.I have made an gui in which i change thresholds and find out the rooftops as white portion. I have identified the rooftops which are the white regions in the ...
0
votes
1answer
43 views

How to Properly Share as Image Service?

I have 5 historical aerial sets for my county each consisting of several hundred SID files. Previous employees have created Image Catalogs for each. Now I want to turn these into services I can share ...
1
vote
0answers
41 views

How can I preserve image quality when combining aerials of different resolutions?

I have two different rasters that were flown at different times during the same month. One has a resolution of 4-inches, the other has a resolution of 6-inches. Using ArcGIS tools, how can I combine ...
0
votes
0answers
65 views

RGB Imagery Layer - Feature Extraction

I'm looking for information on Feature Extraction from the Ordnance Survey Mastermap Imagery Layer. This could be technical information, research papers or just sound advice from folks on this message ...
2
votes
1answer
47 views

Setting colour on point cloud data from raster

I was reading this article: 14 ways to take charge of lidar data. Number 12 states that you can change the colour of your point-cloud data by using a raster image. Does anyone know the process for ...
0
votes
1answer
50 views

Where can I find historic aerials for some areas in Dona Ana County, New Mexico?

How do I find several historic aerials from the mid-1970's or early 1980's and where can I download them and I would like them to be free of charge. Cheers,
7
votes
1answer
3k views

What lens and camera settings are recomended for UAV (drone) aerial imagery capture? [closed]

I have been toying with the idea of purchasing/bowrrowing a UAV and attempting to capture my own aerial imagery. I have pretty good DSLR Canon gear and several lenses but I am wondering what lens, ...
0
votes
1answer
152 views

Georeferencing an aerial image based on satellite imagery

As part of a bigger project I need to georeference an aerial image based on a landsat image downloaded form usgs. I use qgis. can I somehow place the layers on top of each other and mark certain ...
2
votes
1answer
80 views

Imagery on March 6, 2014 @ Lat 42dd55'22“ N, Long 079dd37'36” W

I am looking for any advice where to find imagery on March 6, 2014 (or a few days following) for: I have searched the USGS, ImageHunter, and Digital Globe with no luck. Does anyone have a resource ...
1
vote
1answer
75 views

What format to store/use four band Raster data

I have four band aerial photography - RGBI. I need to share it with my users, a mixture of MapInfo, QGIS, and ArcGIS. What format should I store/serve the data in? GeoTIFF isn't well suited to four ...
1
vote
0answers
164 views

GeoServer - OSM .shp file and aerial shifted

I have a problem with two layers that I have imported into geoserver. One is retrieved via WMS from a Geoserver (aerial tiles) I don't have access to (I'm just allowed to use it via WMS) the other one ...
7
votes
3answers
2k views

What format and settings to use for aerials photos in QGIS?

Following question which was more about handling Aerials with ArcGIS: Most Effective Format to Manage Aerial Photography for Viewing Only It seems there are 2 major options for storing / resampling ...
1
vote
1answer
293 views

How to cut multiple neighboring raster images

I'm looking for a way to cut a larger number of neighboring aerial raster images (each sized 1x1 km, resolution 10 cm per pxel) into four smaller raster images (size 500 x 500 m). I haven't done this ...
1
vote
1answer
278 views

How to find matching pixel values in seperate rasters

I am looking to scan two separate rasters, capture the pixel information, then draw a polygon of the matching pixels. any thoughts? I am at a loss. Edit: I have two aerials, both are in ...
1
vote
2answers
4k views

Drawing aerial routes for flights on Google Maps API between two markers?

I have been drawing route till now using DirectionService. But now my current requirement is to draw a route on air.I did some research and found this link which helps us to draw curved polylines ...
6
votes
4answers
2k views

Are there any open source tools for the processing of UAV images?

I have aerial photographs taken by a Unmanned Aerial Vehicle (UAV). I want to do ortho mosaicing and DEM creation to do volumetric analysis. Are there any open source tools that process the UAV ...
6
votes
3answers
2k views

Aerial Photograph Footprint Size Calculation

I was wondering what an easy formula to calculate the dimensions of the ground covered by an aerial photograph. I know the following: camera sensor size (mm x mm) camera focal length (mm) height ...
6
votes
3answers
250 views

Is there a software package that allows users to create map tiles?

We would like to create map tiles to be used via mobile device in the field in an offline environment. The imagery will come from our personal collection of aerial images taken via UAV.
5
votes
3answers
3k views

Software for Stitching Aerial Photographs?

I am looking for software that is capable of stitching together large number of aerial photographs. The photos are taken with a high quality DSLR from a small helicopter, they cover about 100 meters, ...
3
votes
1answer
1k views

How to merge several google map images into one?

I want to have a high resolution aerial photo of a catchment area. I took some images from google maps and georeferenzed these and saved them as a layer file. but how can I merge them now that I have ...
2
votes
3answers
337 views

Batch rectifying 200+ historic aerial images?

I have acquired historic aerial imagery for the surrounding towns, circa 1954, and the images have no georeference. I am looking for software to help me batch-rectify the 200+ images. I have current ...
5
votes
2answers
374 views

10 GB Raster Aerial Image in Quantum and POSTGIS

I have a problem... I have been successful in uploading the raster in postgis but when I access it through Qgis. it does not open even after several hours. I have 10GB aerial image raster and ...
2
votes
1answer
343 views

Satellite/Aerial Imagery for Nepal for mapping in OpenStreetMap

I was trying to map places in Nepal using satellite imagery but there is no high resolution imagery available at zoom level 15-16 . I was looking to map places like Illam, Dhankuta. Is there a free ...
4
votes
1answer
1k views

What is the correct way to merge adjoining raster images?

I am trying to create a raster base layer from NAIP ortho imagery. Unfortunately for me, the area of interest is very near the intersection of four image files. I have tried a few approaches to ...
2
votes
2answers
552 views

Is there a source for leaf-off aerial imagery?

I am looking for leaf-off imagery for Oklahoma, Kansas and Texas. 1m leaf-off imagery would be ideal, although any substitute would be helpful. I need fairly high resolution imagery to distinguish ...
0
votes
0answers
116 views

Four band raster - ColorInterp of the IR band

I have a four band aerial photography raster. The bands contain Red, Green, Blue, and IR data. Using GDALInfo we get something like this currently: Band 1 Block=2933x1 Type=UInt16, ...
11
votes
2answers
907 views

What countries allow commercial use of drones to collect aerial imagery?

Currently the US government forbids commercial use of drones to collect aerial imagery. The FAA is supposedly reviewing this to determine what sorts of restrictions are needed to allow this to happen ...
10
votes
3answers
446 views

Where can I get aerial images for commercial use?

Related question: Free aerial map images for commercial use - Alternatives to Google maps I'm looking for a service that will allow me to download images at up to 1 meter resolution. Currently our ...