A commonly used method of lossy compression for photographic images

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18 views

Can I use georeferenced jpeg raster as map layer in GeoJSON.io?

Can I use georeferenced .jpeg raster as map layer in GeoJSON.io? I thought that I could, but it doesn't work. I converted .tif raster visualization of LiDAR data to georeferenced jpeg. After this, I ...
2
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1answer
51 views

Digitizing jpeg image or georeferencing it first?

I'm a new learner when it comes to QGIS. I have a jpeg image and I want to convert it into a shapefile. The problem is when I polygnized it, the resulting image is inverted. So i decided to just ...
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1answer
70 views

QGIS 2.14.3: I'm having problems when exporting my map to jpg

I am using QGIS 2.14.3 and I'm having problems when exporting my project to jpg (also when trying to export to pdf...). I have several shapefiles opened, they are basically polygons on a shapefile ...
2
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1answer
35 views

Map symbols fade after exporting to PDF, JPG, BMP from ArcGIS for DEsktop?

Any solutions how to make the legend symbols not blurry after exporting as an image?
5
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2answers
92 views

Is it possible to 'scrape' shapefile layer from a map saved as pdf/jpeg?

Data on the changes in voting district delimitations in SA is available as a series of maps (no shapefiles made official). I'd like to create a shapefile by scraping the boundaries from the individual ...
3
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3answers
137 views

Looking for Linux tools to visualize GPS+compass+focal-length EXIF data?

I have JPG images tagged with GPS and compass Exif-data. I took these images in a remote country especially to use it for mapping OSM. Now I am looking for a tool that would help me to use these ...
0
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2answers
81 views

Write World File option blocked when exporting Layout View in ArcGIS for Desktop?

When i try to export map to jpg file in ArcView 10.3, the "write world file" is blocked. How can i solved this problem?
2
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2answers
54 views

How to use loop to add georeferenced JPEGs from folder to mxd?

This is my first time using this site and I'm a bit new to ArcPy. I've looked around for a while but couldn't quite find the answer I was looking for. I have many folders with georeferenced topos in ...
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0answers
20 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 ...
0
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1answer
72 views

Creating polygon features on scanned historical maps to measure areas in ArcMap?

I have a collection of historical scanned topographic maps from the 19th century that have already been georeferenced (NAD 1927). I'm uploading the maps as JPGs into ArcMap and would like to use the ...
3
votes
1answer
40 views

Creating single Geoserver layer from two contiguous JPG+WorldImage files?

I have two sets of files for two contiguous areas. I've been asked to merge these two areas into one and serve the resulting data set in Geoserver. What I have in each directory is what I reckon is a ...
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1answer
168 views

How to create .jgw file out of jpg picture with exif header?

If i have picture with this metadata in exif header: Size is 4000, 3000 Coordinate System is `' Metadata: EXIF_ApertureValue=(3.625) EXIF_ColorSpace=1 EXIF_ComponentsConfiguration=0x1 0x2 0x3 ...
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2answers
154 views

Convert jpg with exif header into geotiff

I have bunch of jpgs with exif headers like this: Size is 4000, 3000 Coordinate System is `' Metadata: EXIF_ApertureValue=(3.625) EXIF_ColorSpace=1 EXIF_ComponentsConfiguration=0x1 0x2 0x3 ...
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0answers
38 views

How to generate map tiles including world files in QGIS?

Is there any way to export bitmap tiles including world files from a QGIS project? I've tried QTiles but it seems not to support world files.
0
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0answers
42 views

Jpeg image overlay embedded in KMZ to GeoTIFF

Is there a tool to convert a Jpeg image embedded into a KMZ file to a GeoTIFF file, using KMZ info for position, scale and rotation?
2
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0answers
38 views

Capturing GPS coords in EXIF header for JPEGs with ArcPad ImageBox control?

Problem with capturing GPS locations in EXIF header for JPEG photo using Esri's ArcPad and its ImageBox control. I have customized forms for ArcPad. I have added three ImageBox controls to a form ...
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votes
1answer
73 views

jpg conversion to shapefile [closed]

Please, I have a jpg image which I want to work on, but I have a problem with it. I understand that I need a shapefile that is already georeferenced to georeferenced the jpg. Pls, how do I know that a ...
0
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1answer
616 views

How to add an image (jpg) to an existing layout using Python?

I have 1500 MXD whit the same template layout, and need insert other image for the al mxd thanks for your time. version arcgis 10.1
2
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1answer
130 views

Jpg Photo to point layer

How do I open a Geotag (.jpg) Photo in ArcGIS 9.3 (or photo to point)? In 10 and above versions it shows an ArcPhoto option in Data Management tools, but not in Arcgis 9.3.
2
votes
1answer
665 views

What causes wrong placement of JPGs in QGIS 2.8.1?

I have the same issue explained in this post: How to keep georeferencing from ArcGIS when importing raster into QGIS? But my problem is with .jpg files. I have georeferenced with ArcGIS 10.2.2 many ...
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1answer
1k views

jpg to geotiff transformation with gdal_translate and gcps fails

I am trying to create a geotiff from a jpeg by inputting gcps with gdal_translate: gdal_translate -of GTiff -a_srs EPSG:4326 -gcp [1616.0 0 -121.459869532 38.5822533549] -gcp [0 0 -121.460081357 38....
0
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1answer
58 views

Same Image and Shapefile are not overlapping in ArcGIS for Desktop?

An image is Digitized in ArcView 3.3 with JPEG extension; But not with Image analysis extension. When I open that image and shapefile in ArcGIS 10.1 for Desktop then they are not overlaping each ...
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2answers
261 views

Convert jpg raster format to tif format

I have 120 rasters( jpg format ) and i want to convert them to tiff format to folder called "OtherFormat" in env.workspace with arcpy. In my code i try to convert all jpg file I read http://resources....
2
votes
1answer
815 views

How can I open a jpg format with QGIS 2.8?

I'm having some difficulties opening the jpg format at QGIS 2.8. It opens, but nothing appears. Thanks for your help!
2
votes
1answer
309 views

Using ArcGIS model to batch export set of layout view as JPEGs?

I have a large number of layout views I would like to export as JPEG maps using ArcMap 10.0. The layout view is based upon a user defined grid. Normally what I would do is manually select a grid, ...
2
votes
1answer
54 views

Can JPEGs have overviews?

I was a little surprised to see the output of a .jpg file when gdalinfo said it had overviews. Can jpegs really have overviews or what does this mean? Can they be removed to reduce file size? Image ...
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1answer
225 views

Export to images subsets of Spatial Points Data Frame

I have a csv file, which I converted it to Spatial Points Data Frame. And I want to split the spatial data and export each map to a jpg file. I did the following: SB <- read.csv("SB_040914.csv", ...
0
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1answer
161 views

Georeferencing jpg via Gdal_translate output a GIS tif 15.5 times bigger [duplicate]

Given as input a light 874kb jpg, I use gdal_translate -a_ullr (source) to reinject GIS georeferencing : -a_ullr ulx uly lrx lry : Assign/override the georeferenced bounds of the output file. ...
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1answer
347 views

Pro vs Con on using export to JPEG or JP2000 files for large imagery files

What is the preference among GIS Specialist and Remote Sensing Specialist using the JPEG vs JP2000. Yes, I am aware of other compressed files such as ECW or MrSID... I am more of concern of how to ...
0
votes
1answer
242 views

Saving Map on Server Side as Image File

I am trying to save my openlayers map on the server, following these instructions, the sections Client-side: Tile collection and Server side: PHP: http://trac.osgeo.org/openlayers/wiki/...
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0answers
284 views

Print Composer QGIS 2.6, how to expot image?

When i finish map in print composer and click on Export to an image format and after i go to folder where i saved it there is no image. If do same with Export as PDF i get PDF file but cant open it ...
2
votes
1answer
1k views

Convert from ecw to jpg

I am trying to converta batch of ecw aerial photos to jpg in arcmap using the ( Raster to other format) but each time it converts 4 or 5 images and then fails and show this message. i tried to ...
2
votes
1answer
411 views

How to convert an esri world file .jgw into xy corner coordinates?

I'm trying to convert a .jgw (esri worldfile) into xy corner coordinates for a series of JPEG images im outputting using arcpy.mapping.ExportToJPEG(mxd, "E:\\TEMP\\" + str(x) + ".jpg", df, ...
1
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1answer
1k views

multiple graphics added to ArcGIS javascript API map are not printing (using MapExport) reliably

I combined samples for Printing with graphics https://developers.arcgis.com/javascript/jssamples/widget_print.html and labeling https://developers.arcgis.com/javascript/jssamples/util_label_point....
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0answers
26 views

Large Jpegs, handling in ARCGIS

I am working with 10s of large raster data, each one is from jpeg, around 65000x22000 pixels, I have a normal laptop, with 8 Gb of RAM and i5 processor. Can any one give me guidance on how do i make ...
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2answers
86 views

How to read page size from a MapDocument object

I hope this isn't a duplicate question, I have had a look but couldn't find an answer. I have a set of 30 MXD's with different page size. I would like to export maps with their name file which include ...
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2answers
946 views

convert a *.jpg scanned from line paper map to vector data in arcgis

I want to digitize automatically old paper map that scanned to jpg . I know that it's possible to digitize it with arc-map but I can not remember how to do it.
2
votes
3answers
290 views

How to create Map from jpeg in Arcgis 10

I'm pretty new to Arcgis software and going to create map. I have some points which should be shown on the map( there are temperatures of cites). So, I need to create a map in arcgis. I guess! What I ...
2
votes
2answers
557 views

Adding jpeg. files and not displaying in colour

When I try to add a jpeg file into my project on Arc it displays only in black and white. I have checked the file and it is definitely in colour. Does anybody know how I can add such files in the ...
0
votes
1answer
81 views

QGIS processing does not support jpg

I would like to work with the gdal functions provided in the processing toolbox. It is easy to call: import processing processing.alglist() processing.runalg("gdalogr:warpreproject","/home/USER/....
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0answers
63 views

Where can i find Shapefiles of city along with the world file (.jgw) and the jpg image?

Are there any links where i can download a shapefile of a certain city along with aerial view jpeg image and the corresponding world file (.jgw) ? I need it to test an algorithm. Thanks,
2
votes
2answers
1k views

Why does ArcMap not see *.jpeg files?

I want to georeference a *.jpeg object but I cannot even add the data to ArcMap which does not seem to see the files?
0
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1answer
401 views

GDAL TIF to JPG Creates Dark Image

I'm using the GDAL Raster>Translate to create JPGs from Georeferenced TIFs. The translation is working, but the resulting JPGs are significantly darker than the TIFs they are being created from. ...
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2answers
122 views

How to choose a coordinate reference system

I have a jpeg image of a reserve's layout and would like to use it to plot animals movements on i.e. GPS points. I have no idea which coordinate reference system to choose during the "georeferencing" ...
3
votes
1answer
101 views

Is there free GIS reader that supports transparency of JPEG layers? [closed]

I need to make from my ArcMap layers (which are georeferenced JPEG files) a file that can work on a free and easy to use program. The program needs to be able to open multiple layers so we can put ...
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2answers
296 views

How to save QGIS composer template with image - e.g. company logo?

I can't figure out how to save QGIS Print composer template with image. In our map compositions we always have company logo in one place. It is easy to add image (logo) to composer and place it to ...
1
vote
1answer
474 views

How to export Raster to JPEG in Python?

I built a model to import table data, create xy event, kernel density and clip density raster. I would like to export the clipped raster as a JPEG but I am not sure how to write the ExportToJPEG code. ...
0
votes
1answer
49 views

What is default compress number for jpg2000 when exporting?

I have a file geodatabase that has 635 GB Imagery I copied from Mosaic Dataset. I am trying to export it to jpg2000 to a new file geodatabase. I am thinking what is the default compress number for ...
2
votes
2answers
600 views

Where to find Icon library for custom GIS software?

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 ...
2
votes
5answers
208 views

Georeferencing a .jpg image

I am having a .Jpg image of a district. I need to georefernce it. The problem is that I can able to find only one control point of it . All other line features (are Roads) which I cant able to match ...