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I have some hyperlinks set up in ArcGIS for Desktop which, when accessed, open a small mobile mapping JPEG file. Currently the images open in the default windows photo viewer but I would like for them to open in a different program which we have personalised for these JPEG files. The JPEG files...

I am creating a map within the CartoDB map creator based on a dataset (spatially located within CT timezone) with a timestamp range of "2015-11-19 11:00:00' AND '2015-11-19 17:00:00" (UTC) but when animating the map based on timestamp the animated time legend displays a range of "03:00 AND...

I ran the flow direction in ArcGIS, and received unique values ranging from 1-255. I know that these values are wrong, and should be along the lines of 1, 2, 4, 8, 16, etc multiples. The DEM is projected. What could cause this? أكثر...

I've been working with NLCD data at a county level. My goal is to reclassify the pixels that fall under the open water classification. I've got a hydrography shapefile for the same geographic location so I can compare and areas and see what the open water actually classifies as, whether it's...

I am buffering a point to create a circle in PostGIS like: ST_Buffer(geo::geometry, .0002, 8) However, when displaying the polygon in Bing maps it ends up a vertically oriented ellipse or elongated circle. Since both the Geography datatype and Bing both use the WGS84 datum, this is...

I'm currently working on a dataset with 3.8m records. I have a very simple expression to update a field that I want to execute using the Field Calculator. Do I need to wait for the Loading Features prompt to complete for every Field Calculator operation? This is very slow on my computer...

I am an absolute novice when it comes to Geoserver and Mapfish but have set myself the task of obtaining a GIF print output rather than PDF. From reading documentation and forums it seems this is possible, and I have a config.yaml with output formats defined (snippet below) but they are not...

I have edit tool(s) in ArcObjects (ArcGIS10.3). The first tool is "Create a new Polygon' and following is the code: Note: mpEditor is class member and Project is in Edit Mode private void StartCreatePolygon() { IEditTaskSearch pEditTaskSearch; IEditTask pEditTask; pEditTaskSearch =...

After a working break of a couple of weeks, I start do work on my last project. But I can not edit my postgis-layers anymore! Its possible that I did several system-upgrades, and maybe there was also a postgis-update, and I updated to QGIS 2.12 but I can not exactly tell, what could be the...

I hope you could give me some feedback I´m trying to connect (through a line) every id point from dataset 01 with its associated ids in the dataset 02. in the code below, every point in the dataset01 is linked with all points in dataset02, but i´m trying to solve how i can connect each id...

I have some GPS trajectories that include gps locations recorded on variable frequencies (every 1 min ,5 min , 20 min,etc.). In my work, i need a fine-grained GPS collection (e.g. 30 sec) to be able to recognize accurately users' activities grom their GPS traces. I thought then to generate...

I'm having trouble creating custom proj4 CRS files to work with existing .shp files on local project coordinates. (Local in that the coordinates are relative only to themselves and not the 'real world') For example, right now we are wanting to export property lines from QGIS into AutoCAD...

everyone! I am looking for undisturbed forest plot (without logging for at least 50 years) in Mudumalai National Park (India) or around it. How to detect it using GIS or remote sensing? Regards, Roksolana أكثر...

So I used TileMill to style the map -> mbtiles export -> mbutil used to extract files to directory. I'm running GeoServer and moved this files within the webapps directory that I'm using to host the map. For reference I am using this course page for instruction and guidance. I am trying to...

I would first like to say that my question is very much similar to this answered one, but the proposed solutions don't seem to be working for me. I think that my question is slightly different, as I'm performing a clip/intersection rather than a difference. Onto it! My input can be found here...

I'm working on a basic choropleth map that visualizes one variable for all the counties in a single state. I want to create a map for each county that highlights (or adjusts the border style for) the relevant county boundary. The map will otherwise be identical, showing the whole state, the same...

eponis: Are you hydrated? *If not, have a glass of water. Have you eaten in the past three hours? *If not, get some food — something with protein, not just simple carbs. *Perhaps some nuts or hummus? Have you showered in the past day? *If not, take a shower right now. If daytime: are you...

I have an Amazon EC2 instance running ArcGIS server 10.3.1. It has been running with security set https. I recently had to change security to mixed mode http and https. Now when the server reboots security changes back to http only, breaking the web adapter that is configured to use SSL. After...

I need a tutorial for how to embed YouTube videos in CartoDB Editor infowindows. Most help I can find about this is about iframes which were apparently disabled for security reasons. What do I have to do, step by step, to make an infowindow display a YouTube video in CartoDB Editor? What is...

Can someone please let me know how I can change the field names (not the alias) in ArcGIS 10.2. I already found this page on ArcGIS support: "Renaming shapefile fields (Defense Mapping)" but there is is not "Defense Mapping" on Customized Mode Categories In my ArcCatalog! Can you please let me...