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I have a functioning leaflet map. In order for the click event to work I have to click on the area that has the event then click on an area without an event then click on the area with the event to activate the code I specified in the click event. Is there a way to make a layer active or some...

I'm looking for some assistance sorting out an OpenLayer Plugin error I've received since installing it. I immediately receive a Python error with the following text (I apologize for the wall of text). Any help would be greatly appreciated An error has occured while executing Python code...

I need to extract the Lat/long coordinates of the centroids of districts.My QGIS project SCR and the different layers have all been set on "WGS 84 / UTM zone 18N". I've created the centroids using the usual tool.I could then extracted the coordinates using the "Vector > Geometry Tools >...

Data is critical. It drives decisions. It drives science. It drives us forward. To get the robust data sets needed, researchers increasingly look to citizens for contributions. *With the prevalence of tablets and mobile devices, people across the globe can act as observers collecting information...

I have a list of points with Lat & Long coordinates that I've plotted on the map. I used reverse geocoding to attach the corresponding address. The resultant shapefile returns the lat & long fields as well as street address. However, I will need to add the Municipality to make the data more...

I am working on a project at an agency with a large amount of prior data stored in a shared database connection .sde folder to which I have access. While this is incredibly helpful, I would like to know when these files were created so I can tell how recent/up to date the data is, in situations...

I'm using the v.kernel function in GRASS to create heat maps. I am able to generate an acceptable heat map using a std deviation of .2 and a several thousand rows and columns. After the map is generated, I look at it in QGIS. v.kernel input=data output=heatmap stddeviation=.2However, if I go to...

I have PostgreSQL, PostGIS, and TIGER Geocoder and I was wondering if there was a way to add custom addresses or if there was a download for Canadian Addresses? I have a Civic Address shapefile that includes all the address information for the town I work for if there is away to use that. Thanks...

How to perform ExportDataChangeMessage. I am not getting where to get in_replica.My code is: Geoprocessor GP = new Geoprocessor();GP.SetEnvironmentValue("workspace", outputpath1);GP.OverwriteOutput = true;ESRI.ArcGIS.DataManagementTools.ExportDataChangeMessage exportdataChange = new...

I am working on a project where I need to find, for each US congressional district, how much of the congressional district's perimeter overlaps with a city or county boundary. Since the boundaries are unlikely to overlap exactly, I also preferably want to be able to specify a tolerance - So, for...

Applying a slope mask in ENVI أكثر...

Back in 2013 I wrote a couple pieces on how to set up the SDE Intercept trace through the environment variables directly and with a batch file. *There are no major changes here with the exception of the quantity of traces generated at ArcGIS 10.3 and later. *You should now only see 1 trace per...

I just read the ToS of Geocode.farm and I am really curious about this paragraph : You may NOT display the information and data on either an internet or intranet site, regardless of access restrictions to such site unless reasonable precautions have been taken to hide and/or conceal the...

فكرة سريعة و بسيطة عن أجهزة حديتة في في عالم إنتاج الأجهزة المساحية: 2- جهاز GPS + STATION TOTAL: يجمع كلا من الجي بي إس و التوتال استاشن في جهاز واحد. وهو مفيد جدا في عدد من التطبيقات المساحية ، فكمثال: في منطقة مفتوحة يتم استخدام جهاز الجي بي إس للرفع المساحي ثم إذا قابلتنا منطقة لا يمكن...

Esri Managed Cloud Services has achieved an agency Authorization to Operate (ATO) at the moderate level from the US Census Bureau. أكثر...

If a person uses the text only version of grass on a remote system, how do you output the legend as a graphics file? such as: r.out.tiff input=mymap output=file.tiff but have it print the legend as well, or even just the legend itself. d.legend does not work becuase there is no xwin etc...

Macbook air mid 2011 running OSX 10.10.5QGIS 2.8.2 - WienExcel 15.13.1 (O365) When I export a shapefile containing non-ascii characters to a csv file using QGIS (setting encoding to utf-8) and importing to excel I end up with weird characters. What encoding (export and import) should I use...

Given a list of coordinates, I need to create a line shapefile joining each of the point with a Python GDAL/OGR script.The procedure described here Convert XY points to a line? works fine in almost all cases, except when the points are crossing the date change meridian. When this happens, the...

I have a feature (polygon) with nearly 60 fields in it. Now I want to delete all fields except 20(or a list of) and they are not one after one, no they are somewhere in the droplist. But to select for a tons around 40 feature shape files would be a huge searching and clicking time...because he...

Summary: A comprehensive report published today by the U.S. Geological Survey provides new knowledge and tools to aid in the management of critical Columbia Plateau resources while coping with declines in groundwater levels and the uncertainties of climate change Contact...