dialog listlengths 4 30 | title stringlengths 15 150 | category stringclasses 14 values | dialog_time stringdate 2016-01-21 01:59:30 2018-07-01 01:34:46 |
|---|---|---|---|
[
{
"message": "I have a multi-patch layer in ArcGIS Pro 2.0 and I want to share the layer to ArcGIS Online. I cannot figure out how to save the multi-patch layer as a scene layer package. Under ArcGIS Pro Share tab, I can only see project, map, layer and geoprocessing package.",
"role": "user"
},
{
"... | Creating scene layer package in ArcGIS Pro? | gis | 2017-10-26T15:22:53.723 |
[
{
"message": "I am trying to merge non-spatial data (data frame in R) and spatial data (SpatialPolygonsDataFrame in R) and eventually create the merged file in SpatialPolygonsDataFrame form.In specific, I downloaded 'zip areas boundary file' from census web site (<a href=\"https://www.census.gov/geo/maps-data/d... | Merge spatial and non-spatial data and create SpatialPolygonsDataFrame in r | gis | 2017-10-26T20:03:40.823 |
[
{
"message": "I'm trying my first GIS project with cartopy and matplotlib and I'm having some trouble displaying some shapefiles.The shapefiles were downloaded from here: <a href=\"http://data.vancouver.ca/datacatalogue/localAreaBoundary.htm\" rel=\"nofollow noreferrer\">http://data.vancouver.ca/datacatalogue/l... | Shapefiles won't display with cartopy | gis | 2017-10-27T02:17:57.870 |
[
{
"message": "I have a multiband raster (3 bands) that I want to display in QGIS. I can display each band as a singleband without trouble, but if I try display from multi-band (properties in style) I get very little of the image. Tips for what I am doing wrong? I am using the option to load the max/min value... | Display multiband raster in QGIS | gis | 2017-10-27T02:39:34.250 |
[
{
"message": "In a vector layer table there are two fields <code>F1</code> and <code>F2</code> with float type. I want to multiply these fields and insert results to new field <code>F3</code>.In below code new field created but without any value. What is problem?<pre><code>layer = iface.activelayer()F1 = self.u... | How to multiply two field values in pyqgis? | gis | 2017-10-27T10:07:25.800 |
[
{
"message": "I have a contour vector layer with a step 0.2m . I want every 1 metre, to change the line style, a thicker line for example, and the rest of them,symbolize with a dotted style. So, I can do it manually, categorize the layer, and at each metre,change the style, or I can copy the file, paste it and ... | Styling contours at specific numbers | gis | 2017-10-27T11:54:32.007 |
[
{
"message": "ProblemI would like to add points/shelterIcons when zooming to level 12 or more and remove them again when zooming out. If all the points were defined as a layer I could add/remove them with the function down below. But the points are in GeoJSON files. I don't know how to \"handpick\" them and put... | Add points on zoom and remove points when zooming out | gis | 2017-10-27T19:26:00.927 |
[
{
"message": "I am trying to update user position in leaflet. Like when the user walks with their phone their location marker will move too based on location data just like Google Maps.Right now I'm just putting a marker on their initial position<pre><code> this.map.locate({ setView: true, maxZoom: 120}).o... | Leaflet How To Update User Position Marker Real Time | gis | 2017-10-28T17:00:07.000 |
[
{
"message": "I have borehole data with different soil classifications.I created each soil type in to individual shapefile. Does anybody have any ideas on how to display a 3D subsoil model in ArcScene?Can you tell me the steps to interpolate and finally visualize it in 3d with layers?This screenshot is of my da... | Soil interpolation in ArcGIS 3D Analyst? | gis | 2017-10-30T05:40:58.033 |
[
{
"message": "I have Longitude and Latitude, I would like to connect to Geocoding or Nominatim and get the address of these Lat and Lon. I want to do it in OpenLayers 3 using OSM. With help from @ThomasG77, I implemented ReverseGeocoding in my code with this function:<pre><code>function simpleReverseGeocoding(l... | Geocoding with Latitude and Longitude in OpenLayers3 | gis | 2017-10-30T18:48:12.250 |
[
{
"message": "I ordered netCDF chlorophyll data from 2002 to 2010 of the Caspian Sea region from <a href=\"http://hermes.acri.fr\" rel=\"nofollow noreferrer\">http://hermes.acri.fr. Then, I got 726 .nc files listed in a folder and downloaded them from the FTP site. So now I have 726 time series chlorophyll data... | How to open multiple Globcolour netCDF files and extract the data into a dataframe in R? | gis | 2017-10-30T21:02:28.857 |
[
{
"message": "I have a raster stack of 108 elementsThe stack 'images' is created using 4 bands (RGB+NIR) of 27 satellite images. The sequence of the rasters in the stack is: <pre><code>Position [[1]]: blue band image 1Position [[2]]: green band image 1Position [[3]]: red band image 1Position [[4]]: NIR band ima... | Raster calculation loop - R | gis | 2017-10-31T12:36:11.623 |
[
{
"message": "I am using QGIS 2.18.13.I have a polygon layer with building footprints, and a point layer with a given number of points. I would like to draw lines (randomly) between two points and see how many buildings the line crosses. How I can do that with QGIS?",
"role": "user"
},
{
"message": ... | Number of buildings between two points | gis | 2017-10-31T16:04:30.360 |
[
{
"message": "I have created a QGIS project template file and gone through the style manager to create all my necessary styles I would like in my template; but when another user uses 'New from template' they still need to import the styles - is there a way to include the styles within the template to save a ste... | Include styles in QGIS templates | gis | 2017-10-31T16:34:53.627 |
[
{
"message": "I am completely brand new to eCognition Developer and want to test out Object Based Image Analysis (OBIA) on a Landsat scene of one portion of the Chesapeake Bay. I have been unable to find any online resources for beginners to learn the program or how to even begin doing this. Before going any fu... | Performing object based image analysis of Landsat scene in eCognition Developer? | gis | 2017-10-31T19:11:44.903 |
[
{
"message": "I'm trying to buffer a polyline (WGS84/EPSG 4326) by 50km, and then dissolve all the overlaps in the buffer. So far I've tried a combination of:<a href=\"https://gis.stackexchange.com/questions/193564/postgres-postgis-calculate-area-of-polygon-in-square-miles\">casting the EPSG 4326 geometry as ge... | How do I create a dissolved buffer using PostGIS with EPSG 4326? | gis | 2017-10-31T22:16:40.940 |
[
{
"message": "I have a Python script that runs ArcPy and a model that is imported with a Toolbox.When directly running the model on ArcMap, it takes 4 plus minutes. It takes about the same time if running in the Windows Command Prompt window. E.g.<pre><code>Python.exe \"{SCRIPT_PATH}\"</code></pre>However, if I... | ArcPy script runs longer processing time in scheduled task than in ModelBuilder? | gis | 2017-11-01T05:04:08.587 |
[
{
"message": "I have two servers X and Y. X contains a postgis instance whereas Y doesn't have postgis installed, but connects to the postgis instance on X through a connector in nodejs.I want the node script to import some shapefiles which is normally done with the pgsql2shp command. However since pgsql2shp is... | Importing shapefiles to a postgis on a remote server | gis | 2017-11-01T21:30:03.783 |
[
{
"message": "<a href=\"https://i.stack.imgur.com/Z31Kv.png\" rel=\"nofollow noreferrer\">I am using ArcGIS Desktop 10.5.1. I have a raster image which I have extracted from a large raster data, and ended up having some scattered small raster groups on the extracted image. This scattered raster are very difficu... | Deleting scattered raster data sets | gis | 2017-11-02T01:51:46.110 |
[
{
"message": "I have 16 town point shapefiles.I have a layer of 2900 centroids for lots.I need to determine the nearest town for each of the centroids. The option I came up with is to Split by Attribute by name, thus creating 2900 point layers for the centroids, then doing the Near tool for each centroid. This ... | Calculate nearest town for 2900 lot centroids | gis | 2017-11-02T14:21:49.597 |
[
{
"message": "In QGIS is it possible that when I create a shapefile and give it a file name e.g. Site, that I can assign symbology to that automatically?I have a set symbol for Site and many other features but would love it if I could auto assign the symbology based on the file name.I know this is possible in A... | Is there a way to assign a symbology automatically based on the file name in QGIS? | gis | 2017-11-02T16:55:26.723 |
[
{
"message": "I am trying to place my labels below my polygons using ArcGIS 10.0 (and centered). I have tried using<code>Properties... Labels</code><a href=\"https://i.stack.imgur.com/homKx.png\" rel=\"nofollow noreferrer\">Choosing <code>Symbol...</code> from the interface above <a href=\"https://i.stack.imgur... | Change vertical alignment of label in ArcGIS (currently option in grayed out) | gis | 2017-11-02T21:03:03.267 |
[
{
"message": "I'm using QGIS 2.18.I need to calculate the height of the rooftop of each building in a neighborhood. I have a vector shape of the buildings, with the building height attribute (from the ground to the top) and the shape of the contours (the height of the ground itself). I need the information of t... | Summing attributes of different shapes into another (height of contours + height of buildings) | gis | 2017-11-02T23:07:00.343 |
[
{
"message": "I have published a feature class with a massive number of polygons with large vertices on ArcGIS Online. When opened and viewed in Map Viewer, it drew acceptably slowly. I noticed it was hosted published as a Feature Service. I opened the Developer tool on the web browser. Every zoom in/out and pa... | Published feature service with massive features drawing too slowly | gis | 2017-11-03T03:35:55.033 |
[
{
"message": "I am having a Data Format problem with Qgis using the timemanager.I loaded a layer with timecodes and values for 1 point and finally made it work.Now i dont have one point, but 250.Those 250 points get some values which you can see below and i want them all to blink if they are over some value. My... | QGIS Attribute Table Format (columns and rows) | gis | 2017-11-03T10:45:34.787 |
[
{
"message": "I am looking to calculate the distance from a main point to multiple points WITHIN shapefile. In other words: I have a main point at the mouth of a creek. I have about 1,200 points at various distances upstream from the mouth. I would like to calculate the distance from the mouth to each individua... | Distance from one point to multiple points WITHIN a shapefile | gis | 2017-11-03T17:57:04.700 |
[
{
"message": "Does QGIS - through one of its rich algorithms library - allow for reduction of raster DSM/DEM resolution?I want to speed up the analyses and reduce effect of detailed raster on results readability. The problem lies in the detail level of the raster. Input dsm was made based on the uav survey (out... | DSM resolution reduction in QGIS | gis | 2017-11-04T16:24:56.917 |
[
{
"message": "How do I get my script to only populate fields on selected objects while editing on the map?<pre><code># Importing arcpy import arcpy# Set the workspace environment arcpy.env.workspace = r'C:\\Users\\aa2zz6\\Desktop\\TrackTraceDownload\\UPDM2016.gdb' rows = arcpy.UpdateCursor('P_ExcessFlowValve... | Populate fields based on selected objects using the updatecursor | gis | 2017-11-04T17:59:22.650 |
[
{
"message": "I'm trying to fetch features for a WFS - but I'm not interested in the <code>Geometry</code> object. I would like to exclude it from the results...Is there any way to do so?I managed to define the <code>TYPENAME</code> parameter with the list of properties I needed for 1 specific Type. Following d... | Hide 'geometry' object on WFS GetFeature request for multiple TypeNames | gis | 2017-11-06T10:10:05.073 |
[
{
"message": "I'm trying to merge one band rasters into one multiband raster using gdalogr:merge in python. The fact is that I get an artefact, a lots of my values are converted near 0, which does not appear when I'm doing it manually from QGIS GUI <code>(Raster-> Merge)</code>.This is the histogram I get wi... | artefact issue gdalogr:translate with python | gis | 2017-11-06T13:07:29.997 |
[
{
"message": "I have appended two point shapefiles using <a href=\"https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjdsvfKzKrXAhWQ5qQKHbI-DcQQFggkMAA&url=http%3A%2F%2Fpro.arcgis.com%2Fen%2Fpro-app%2Ftool-reference%2Fdata-management%2Fa... | When appending two shapefiles in ArcMap 10.2 values in attribute table become distorted | gis | 2017-11-06T18:08:28.333 |
[
{
"message": "I have a city park layer that has several multi-part features. I would like to dissolve these into single part features using the Aggregate Polygon tool. I cannot use the Dissolve tool because most of these multi-parts are not directly adjacent to each other. There are highways and waterways separ... | How do I aggregate multi-part features based on a field value? | gis | 2017-11-06T20:30:54.443 |
[
{
"message": "How I can get information regarding the % of voids filled using fill sinks in DEM and the algorithm used to fill the voids using arc hydro tools?",
"role": "user"
},
{
"message": "There is no difference between fill algorithm in arcgis hydrology tool and archydro.they are same. You can... | Which algorithm is used for fill sinks in arc hydro tools? | gis | 2017-11-07T10:02:31.357 |
[
{
"message": "I have a shapefile which contains arround 800 circular polygons with diameter of 60 meters each. Raster is 20 meter resolution so I would have multiple cell values extracted for each polygon. I am using an extract function on multiple raster layers in a for loop, and am putting the results in the... | How to get feature values from multiple polygons of shapefile while using extract function on raster | gis | 2017-11-07T12:30:55.630 |
[
{
"message": "I have a custom popup that is acting as a disclaimer/splash screen when is first loaded. At the moment, the popup is removed when the user hits the close button or clicks outside of the popup. However, is the mouse wheel is scrolled, or the user uses the zoom tools, the map zooms in, however the p... | Popup acting as a splash screen for Leaflet map | gis | 2017-11-07T14:59:48.423 |
[
{
"message": "I am aware that with a Bing maps key, one can add a Bing basemap to ArcMap by adding data from ArcGIS Online and choosing a Bing basemap. My issue however is that we use Portal and not ArcGIS Online. We have a Bing maps key and I am looking for a way to add a Bing basemap to ArcMap.",
"role": ... | Add Bing basemap to ArcMap with ArcGIS Portal | gis | 2017-11-07T15:10:40.633 |
[
{
"message": "Trying to create a geoprocessing service on ArcGIS for Server 10.3 to do some routing on a networkx graph. The service only works on the first call. It fails on subsequent calls. I note this because when I restart the service and make a fresh call, I get expected results.Below is the published scr... | ArcGIS Server Geoprocessing Service failing on repeat call | gis | 2017-11-08T00:18:50.783 |
[
{
"message": "I have a problem with slow rendering of WMS in my map server. It takes a minute when zooming and panning of map.here is my code to add WMS layer to openlayers. Is there a way to speed up the process ?<pre><code> layerSources[i] = new ol.source.TileWMS({ url: mapAgenURL... | Speed Up WMS of Mapserver in Openlayers 3 | gis | 2017-11-08T08:19:02.643 |
[
{
"message": "I want to substract two covering raster sets in the Raster Calculator in QGIS to get a difference map. The raster sets have different extents and raster size.<br>How does the algorithm of Raster Calculator exactly interpolates the difference raster?",
"role": "user"
},
{
"message": "I ... | QGIS Raster Calculator resample algorithm | gis | 2017-11-08T11:33:13.430 |
[
{
"message": "Im trying to create a new layer and change it to SVG marker and set blue-marker.svg as the marker but its not working.Here is what i have:<pre><code> iface.addVectorLayer( \"Point\", \"marker_layer\", \"memory\") mlayer = self.iface.activeLayer() symbol = QgsSymbolV2.defaultSy... | Set new layer to SVG marker in plugin QGIS 2.18 | gis | 2017-11-08T14:17:27.127 |
[
{
"message": "I have a <code>WFS</code> service :<pre><code>https://services.ovam.be/geoserver/wfs?REQUEST=GetCapabilities&SERVICE=WFS</code></pre>Where I'm trying the following:<pre><code>http://services.ovam.be/geoserver/wfs?SERVICE=WFS&REQUEST=GetFeature&VERSION=1.1.0&MAXFEATURES=9999&CRS... | WFS GetFeature request with CQL_FILTERS with SPATIAL OPERATORS does not retrieve correct results | gis | 2017-11-08T15:03:42.817 |
[
{
"message": "I have a <code>WFS</code> service :<pre><code>https://services.ovam.be/geoserver/wfs?REQUEST=GetCapabilities&SERVICE=WFS</code></pre>Where I'm trying the following:<pre><code>http://services.ovam.be/geoserver/wfs?SERVICE=WFS&REQUEST=GetFeature&VERSION=1.1.0&MAXFEATURES=9999&CRS... | WFS GetFeature request with CQL_FILTERS with SPATIAL OPERATORS does not retrieve correct results | gis | 2017-11-08T15:03:42.817 |
[
{
"message": "I'm trying to read a kml <a href=\"http://smn.cna.gob.mx/tools/RESOURCES/estacion/EstacionesClimatologicas.kmz\" rel=\"nofollow noreferrer\">from this kmz I unzippedhowever, when I try to read a layer from it (as I've done it with previous kmzs) it says:<pre><code>library(rgdal)unzip(\"EstacionesC... | readOGR feature mismatch with KML | gis | 2017-11-08T19:08:56.733 |
[
{
"message": "I'm trying to figure out a way to plot points along a polyline at distances that I have in a .csv file (not a point layer with valid lat/long). There seems to be quite a few ways to create points along a line. Here is one to create a <a href=\"https://gis.stackexchange.com/questions/192505/how-to-... | Plot points along a line at specific distance value? | gis | 2017-11-09T16:23:21.500 |
[
{
"message": "I have a DEM interpolated from a TLS point cloud at 1 mm cell resolution. This resolution is too fine for use in a 2D surface inundation model with the required timestep, without the model taking far too long to run. I would like to know if there is any way to proportionally increase the size of... | Increase the dimensions of each cell in a raster without any kind of resampling? | gis | 2017-11-09T18:39:07.567 |
[
{
"message": "I tried using the Expression Based Input in the Densify Geometries tool with the following expression:<pre><code>attribute( $currentfeature ,'VertNum')</code></pre>where <code>VertNum</code> is a field in the attribute table that contains the number of vertices I want to add to each feature. But ... | QGIS Densify Geometries based on expression | gis | 2017-11-09T20:25:17.337 |
[
{
"message": "i am using mapbox platform to showing the map in my site.geojson is having time attributeEx: \"time\":1510301955145I want to show the map of last 24 hours.",
"role": "user"
},
{
"message": "You can filter your geojson data using the <a href=\"http://leafletjs.com/reference-1.2.0.html#g... | Filter geojson file to Get last 24 Hours Data | gis | 2017-11-10T08:28:10.730 |
[
{
"message": "I have a set of data in the column geometry(geom) as WKB.I am using ST_AsGeoJSON(ST_Transform(geom, 32633)) to transform WKB into meters.my results are like this:{\"type\":\"LineString\",\"coordinates\":[[100,100,100],[300,300,300]]these basically are x, y and z coordinates accordingly. Namely i a... | Get my x, y, z position as 0,0,0 | gis | 2017-11-10T09:01:14.300 |
[
{
"message": "I am trying to be able to add a list of years (or return periods) to a python toolbox tool I want to create. In the getParametersInfo function, I am currently setting up a parameter as a <code>\"GPString\"</code> datatype and want it to be a multiValue list. Here is my current code: <pre><code>im... | How to enter custom string values into GPString multiValue parameter in 10.4 python toolbox? | gis | 2017-11-10T20:37:23.220 |
[
{
"message": "In older QGIS versions the <code>Count Points in Polygon</code> vector analysis tool had an \"input vector layer attribute to aggregate\" to perform a statistical analysis (sum, mean, min, max) on the counted points in a polygon. However, in the newer QGIS (using version 2.18.6) this tool has disa... | Where is the "input point vector layer attribute" in the "Count Points in Polygon" in QGIS 2.18.9? | gis | 2017-11-10T21:26:49.667 |
[
{
"message": "When checking the results window for messages while doing a lot of background processing it's rather annoying to scroll to the current message. So i was wondering if there is a trick to directly scroll to the current message line or is there such a feature in newer (>10.2) versions of ArcGIS?",
... | Autoscrolling in ArcGIS Geoprocessing Results window? | gis | 2017-11-11T05:50:20.467 |
[
{
"message": "I have successfully converted a DWG lines and annotation in a geodatabase annotation feature and polyline feature using Arcgis 10.2.2 And now I want to construct a model builder to automate and iterate this process for my 19000 remaining dwg.I started to build it but I am confuse with which tools ... | Iterating extraction of polylines and annotations from CAD to Esri Geodatabase | gis | 2017-11-11T12:18:57.113 |
[
{
"message": "I have one shapefile containing parts of hidrographic basins on the brazilian state of Espírito Santo. I want to generate a classification style/label based on two attributes:1st: The percentage of forest on the landscape of each basin. The data should be divided between 0 - 10% and 10-50% landsca... | Creating style rules based on more than one criteria | gis | 2017-11-12T16:11:36.220 |
[
{
"message": "Im trying to create a feature layer on which i want to perform a select by location, however:<pre><code>arcpy.MakeFeatureLayer_management (perp, \"selected\",\"LINK_ID = 23002109\")</code></pre>throws:<pre><code>ExecuteError: ERROR 000230: Failed selecting with LINK_ID = 23002109</code></pre>and <... | arcpy.MakeFeatureLayer_management: query throws error 000230/000358 | gis | 2017-11-12T20:13:48.713 |
[
{
"message": "I am switching between image overlay layers upon user entry (through a slider).Every time users get into this loop, a fast blink (with white background) is displaying, meaning that the old layer is removed before the new one finished rendering. I was relying on the \"load\" event, but it seems not... | Switching leaflet image overlay layers shows white blinks | gis | 2017-11-12T20:23:49.547 |
[
{
"message": "I am working with some older (ca. 1900) USGS Topographic Maps. These Raster maps are georeferenced with a CRS of <code>NAD27</code> and <code>poly</code> projection (polyconic). However, they are offset and require easting/northing corrections in the georeferenced source data to overlay on modern... | Calculating Datum Corrections to Overlay pre-NAD27 USGS Maps? | gis | 2017-11-13T06:45:21.703 |
[
{
"message": "I have 1000 dwg that has text and lines on 2 layer, i want to merge them all in one dwg and the final dwg should have as layer names all the filename and all the objects (text,lines) should be in only one layer which is the filename the come from.e.g t1.dwg, t2.dwg... -> merge.dwg (with two lay... | Merge DWGs to 1DWG and put all corresponding objects to one new layer named as the original filename | gis | 2017-11-13T11:47:06.487 |
[
{
"message": "I'm working on a project that plots out some pipes on a leaflet map, these are displayed on the map as polylines with arrows showing flow direction.i am feeding the data in as geojson linestrings via ajax.each \"pipe\" has multiple segments and i am calculating the approx total length of all segme... | How to get leaflet polyline segment length? | gis | 2017-11-13T23:33:14.460 |
[
{
"message": "I'm hoping to get some feedback on styling strategies in Geoserver WMS when dealing with dynamic (e.g. not stored with the layer) data and layers that have a large number of features. We've tried a number of different techniques, all with varying levels of performance (mostly poor) but can't help ... | Geoserver Dynamic Data Interpolation | gis | 2017-11-14T00:44:58.767 |
[
{
"message": "Where can I download freely available images for night from for South Asian region?<a href=\"https://i.stack.imgur.com/Tmj6a.jpg\" rel=\"nofollow noreferrer\">?",
"role": "user"
},
{
"message": "There are <a href=\"https://ngdc.noaa.gov/eog/dmsp/downloadV4composites.html\" rel=\"nofoll... | Where can I download images for night from? | gis | 2017-11-14T05:42:43.813 |
[
{
"message": "When I'm looping through a list of addresses, I'm able to plot the markers for all the addresses fine. But when I click on any marker, the infowindow content shows data of only the last marker. How do I solve this?Javscript<pre><code>var map ={};map.markers = [];map.addresses = [ { 'line... | Multiple markers with specific infowindow content | gis | 2017-11-14T07:39:55.970 |
[
{
"message": "I want to make a specific map in 1:1500 and 1:2000 scale on A2 paper but the label height should be 2.5 mm in composer. Is there a correlations between label size in \"map units\" or \"points\" to produce that specific size in composer. All this time I just doing Trial and Error method.",
"rol... | Specific label size in composer QGIS | gis | 2017-11-14T08:29:00.667 |
[
{
"message": "I would like to know how to create an X number of random points in each grid cell.I'm using data from a DEM layer, which contains information about elevation. I used this information to obtain slope and aspect. Then I created a grid (each cell with 1000 units size) with the objective of randomly s... | Create random sampling point in each grid's cell | gis | 2017-11-14T10:19:38.890 |
[
{
"message": "I've got a .gdb loaded into my ArcMap 10 that has about 9 Million polygons. I would like to get data from each polygon to include its geometry and certain fields from its row in the attribute table. I have done some reading <a href=\"http://pro.arcgis.com/en/pro-app/arcpy/get-started/reading-geome... | Reading geometry of a .gdb with large number of polygons | gis | 2017-11-14T15:42:47.007 |
[
{
"message": "I am working with an aviation software which outputs points with altitudes over WGS84 ellipsoid.Now I want to represent those points in Google Earth, writing a kml file.I know I have to convert the altitudes from ft to m.Do I have to do any other conversion besides that, or is it \"absolute\" equi... | Is kml altitude mode "absolute" equivalent to altitude over WGS84 ellipsoid? | gis | 2017-11-14T16:01:22.720 |
[
{
"message": "I am searching the way to calculate which are the maximun distances that are possible to cover from each node (point shapefile) along a network. <a href=\"https://i.stack.imgur.com/q6FHP.jpg\" rel=\"nofollow noreferrer\">I mean ( in the picture bellow ) how to get the red road from the 3099 point<... | Create longest distance shapefile along a net | gis | 2017-11-14T16:34:44.667 |
[
{
"message": "I have a multiuser geodatabase with Oracle Enterprise RDBMS. The Version of the geodatabase is 10.4.1 and Oracle 11g. We have over 35 data editors with the flat version tree, each user having their own version, editing their own version. We have set the current access of DEFAULT Version to PUBLIC ... | Keeping Default Version of Geodatabase protected? | gis | 2017-11-14T17:32:05.547 |
[
{
"message": "I have a problem with the Styling for the contour-lines. here is how I want to style them:4 different classes with different display zoom <code>MaxScaleDenominator</code>.The interval is a variable (not fixed) based on user what to choose.most important is Rule number 4 that shows all the contour-... | Classified contour-line visualization in SLD Geoserver | gis | 2017-11-14T18:42:16.460 |
[
{
"message": "I'm a (relatively) new Mac QGIS user, and I'm having trouble with my processing toolbox. Specifically, I'm having an issue with the Orfeo toolbox not activating after downloading the last update (2.18.14). I successfully re-downloaded the Orfeo Toolbox folder from this website: <a href=\"https://w... | Orfeo toolbox not activating | gis | 2017-11-14T19:31:00.120 |
[
{
"message": "I would like to create a field <code>ID</code> in my <code>kml</code> file, with a unique value so that I can use <code>gdal.RasterizeLayer</code> to burn the value to an image like this:<pre><code>gdal.RasterizeLayer(target_ds, [1], source_layer, options = [\"ATTRIBUTE=ID\"])</code></pre>This mea... | Adding a field with a unique value to vector layer in kml file (need this to burn values with gdal.RasterizeLayer) | gis | 2017-11-15T00:28:00.937 |
[
{
"message": "I am very new to the world of GIS and spatial statistics, but I have a very large dataset consisting of many points with geographic coordinates and a bunch of other variables for every point. I managed to read in this dataset as a SpatialPointsDataframe in R, with all the extra variables as data a... | Predicting geographic location in R? | gis | 2017-11-15T00:28:52.047 |
[
{
"message": "I have a script that produces a text file. The name of the text file it creates is determined by the input parameters chosen by the user. The user chooses what Layer, Stress Period, and Time Step to query form a binary file of Head values, and the text file is named for that Layer, Stress Period, ... | Passing File from Python Script to ModelBuilder tool? | gis | 2017-11-15T00:30:37.667 |
[
{
"message": "I have a set of points which I would like to change into a polygon.<a href=\"https://i.stack.imgur.com/A5ztB.png\" rel=\"nofollow noreferrer\"><a href=\"https://i.stack.imgur.com/GpLvD.png\" rel=\"nofollow noreferrer\">I tried concave hull but do not get the intended polygon as you can see below,<... | Drawing boundary of set of points using QGIS? | gis | 2017-11-15T07:46:38.263 |
[
{
"message": "I have a set of points which I would like to change into a polygon.<a href=\"https://i.stack.imgur.com/A5ztB.png\" rel=\"nofollow noreferrer\"><a href=\"https://i.stack.imgur.com/GpLvD.png\" rel=\"nofollow noreferrer\">I tried concave hull but do not get the intended polygon as you can see below,<... | Drawing boundary of set of points using QGIS? | gis | 2017-11-15T07:46:38.263 |
[
{
"message": "How to download NOAA AVHRR 1 km resolution sea surface temperature data?I need a SST 1 km image of the coast of Netherlands with at least 20 % valid pixels.After searching and searching I find the NEODAAS portal: <a href=\"http://www.neodaas.ac.uk\" rel=\"nofollow noreferrer\">http://www.neodaas.a... | Download AVHRR 1 km SST data | gis | 2017-11-15T13:06:05.160 |
[
{
"message": "I have klokantech docker container for openmaptiles. Now I want take the KML of the country border and grey all outside the country.",
"role": "user"
},
{
"message": "A solution may be to use a Leaflet plugin that inverts polygons, such as <a href=\"https://github.com/ebrelsford/Leafle... | How can I grey all outside a country border in Mapbox GL JS? | gis | 2017-11-15T16:51:00.897 |
[
{
"message": "Hello I'm looking for help finding and downloading a plugin/tool from a previous version of QGIS (2.14.1). It's called the \"clip with polygon from another layer\" and I would like to download it for the latest version of QGIS (2.18.14). Whenever I've searched plugins on the QGIS desktop it doesn'... | How do I get the "clip with another polygon layer" tool/plugin from QGIS version 2.14.1 | gis | 2017-11-15T16:55:50.683 |
[
{
"message": "I have two QGIS layers I created from shape files. I wanted to find which regions from one layer intersect with districts from the other layer, and the intersect tool does that perfectly. I find however that in part of my map, the regions and districts coincide, but due to either rounding or tin... | Looking for intersection of polygons with a tolerance in QGIS | gis | 2017-11-15T17:16:09.660 |
[
{
"message": "I have a feature class containing polygons and an associated raster with elevation data. I'm looking to calculate a single slope and aspect for each polygon within the feature class. I don't want a slope that represents an average of the raster cells. Rather, I ask you to picture a plane that is f... | Calculating an "overarching" slope and aspect for each polygon of a feature class | gis | 2017-11-16T19:56:41.567 |
[
{
"message": "I want to show labels in ArcMap on multiple lines. The label I have is written as: <code>Caritas Lebanon Migrant Center, DRC, Handicap International, NRC, SCI</code>. I want to show it in separate lines. e.g.:<pre><code>Caritas Lebanon Migrant Center, DRC, Handicap International, NRC, SCI</code></... | Splitting (stacking) labels in ArcMap in multiple lines using vbScript? | gis | 2017-11-17T08:23:10.627 |
[
{
"message": "Can somebody help me with this error, it throws it when rendering an object and styling it with use of a buffer (sld style, wkt string). So I suppose that some problem is with buffering but was unable to figure out what is happening to solve it. Buffer values are mostly between -5 and -0.3. Exampl... | Rendering sld style(buffer) SEVERE null java.lang.NegativeArraySizeException | gis | 2017-11-17T11:38:27.137 |
[
{
"message": "I'm struggling to create a python script that will simply turn off all feature classes in the table of contents within my ArcGIS Pro project. I think part of my problem is the syntax change from ArcMap to Pro. I know that ESRI has a web page dedicated to that very issue (<a href=\"http://pro.arcgi... | Turning off Feature Classes in ArcGIS Pro using ArcPy? | gis | 2017-11-17T19:37:38.313 |
[
{
"message": "I want to generate a function that allows me to generate buffers of different sizes for the same <code>FeatureCollection</code>. Consider the example below. Instead of repeating the code for buffers of size 100 and 200, I want to create a function that uses as input the sizes of the buffers.<pre c... | Function to create buffers of different sizes in Google Earth Engine | gis | 2017-11-18T04:16:15.250 |
[
{
"message": "I have two shapefiles that I want to spatial join (closest match), however, in the second shapefile I have records that are split by attribute X. I want the closest to records from each unique X record to shapefile nodes. i.e. the closest match usually pick the closest record from shapefile 2 to ... | Spatial join based on a categorising attribute | gis | 2017-11-18T09:17:11.243 |
[
{
"message": "I have a punctual shapefile containing the name of geographic locations (attribute 'name')Using DB Manager of Qgis, I would like create an SQL query to find, within the shape, the name of a location and, and therefore its point.I would like to find the name of the location even by writing only one... | SQL query : finding a word in a shapefile | gis | 2017-11-18T21:19:13.590 |
[
{
"message": "I have different hiking routes (in geoJSON format) displayed on a map. They contain linestrings, multilinestrings and markers. Currently, it looks like this: <a href=\"http://www.hikethisway.today/Sweden.html\" rel=\"nofollow noreferrer\">http://www.hikethisway.today/Sweden.html. I would like to c... | Cluster GeoJSON (linestrings and markers) into circles using Leaflet | gis | 2017-11-19T18:00:17.973 |
[
{
"message": "I run ArcGIS Pro 2.0 on windows 10. 'I run a model where the last tool is 'Sort' and the output is a featureclass to a geodatabase.In my models I use the iterator inline variable, %Name%, from feature class iterator. It names the files, as seen in windows file explorer, correctly, like: SortedPoll... | Features are displayed as inline-variable | gis | 2017-11-20T07:58:24.533 |
[
{
"message": "I am using QGIS for analysis of aerial images. I have used the properties>style menu to create colour-banding for my raster map layer. This created 2 colour bands - but I want to convert these to seperate vectors.Is it possible to do this - and do I require a plugin?See below for screen grab: <a h... | QGIS saving raster styles as vectors | gis | 2017-11-20T15:25:33.117 |
[
{
"message": "I have a python script that will position the scale bar, north arrow, title, and legend on a map layout in ArcGIS Pro. This script also references a bookmark and then exports the layout to a PDF. I need to turn this script into a script tool so that it can be used in ModelBuilder, but I have no id... | Converting Layout/Bookmark python code to script tool? | gis | 2017-11-20T15:57:46.130 |
[
{
"message": "I have a polyline shapefile that has only one polyline. How do I calculate the length of that polyline using ArcPy?",
"role": "user"
},
{
"message": "You can use the <a href=\"http://pro.arcgis.com/en/pro-app/arcpy/get-started/reading-geometries.htm#ESRI_SECTION1_A32D35B769484AA0A235BB... | Calculating length of polyline using ArcPy? | gis | 2017-11-20T17:08:58.050 |
[
{
"message": "I want to remove the vertices or nodes of a polyline which are too close to each other. In other words, if the polylines are too close to each other, I want to cut both of them in the place where they are close to eachother ( see image).<a href=\"https://i.stack.imgur.com/6OhSl.jpg\" rel=\"nofollo... | Remove the vertices of polylines which are too close to eachother | gis | 2017-11-21T09:36:27.490 |
[
{
"message": "My question has overlap with <a href=\"https://gis.stackexchange.com/questions/152920/changing-colours-in-geopandas\">Changing colours in GeoPandas?, but unfortunately still unanswered: I want to plot a multiline shapefile in 1 color.<pre><code>import geopandas as gpdmultiline_example = gpd.read_f... | Change Color in GeoPandas Plot | gis | 2017-11-21T10:25:07.203 |
[
{
"message": "I have made connection to a postgresql database in ArcGIS Catalog from Database connections . pgAdmin shows the database owner is 'postgres' so i have made the connection with user 'postgres'. I want to further register a table in this database to Geodatabase (to add OID field) which i am not able... | Can't Register table with Geodatabase - ArcGIS 10.5, PostgresSQL 9.5 | gis | 2017-11-21T14:52:39.953 |
[
{
"message": "Given a pair of lat/long coordinates (and a screen size if needed), we need to establish the Z/X/Y coordinates for the map tiles which will be requested when we tell our map <code>fitBounds(coordinatePair);</code>.BackgroundWe're trying to load test our map application. Our test partner uses NeoLo... | How to convert from lat,lng to tile coordinates? | gis | 2017-11-21T22:26:09.317 |
[
{
"message": "I've tried the intersect function but that also returns small zipcodes entirely within a city. Ideally, I just need zipcodes that extend beyond city lines.",
"role": "user"
},
{
"message": "The tool you are looking for is select by location under: Vector => Research Tools => Select by ... | QGIS-- Find zipcode boundaries bisected by city boundaries | gis | 2017-11-22T01:24:06.097 |
[
{
"message": "I have a custom model (called TOOLNAME) in a custom toolbox developed in Model Builder on ArcGIS 10.1 Desktop. The model takes two input parameters (<code>SingleFDI_D</code> and <code>dayindex</code>) and outputs a Derived parameter called \"<code>MaxFDI_DateTime</code>\" which is data of String t... | Printing result of custom model in Python using ModelBuilder and ArcPy? | gis | 2017-11-22T05:19:59.800 |
[
{
"message": "<a href=\"https://i.stack.imgur.com/UXriY.png\" rel=\"nofollow noreferrer\">I want to add text label in \"print composer\" with that column's name.Is there any expression to return that field name?",
"role": "user"
},
{
"message": "Unfortunately there is no direct way to add the field ... | Adding text label with currently joined field name in QGIS? | gis | 2017-11-22T07:43:41.027 |
[
{
"message": "I try treat vine data to detect frost or dryness. for the moment I have results as you can see in picture, tree groups of vines, healthy (green), weak(red) and missing (black). These 3 groups are respectively coded in a field with 2, 1 and 0. But I would like to make difference between lonely weak... | Slick phenomenon detection on point | gis | 2017-11-22T10:47:22.623 |
[
{
"message": "I try treat vine data to detect frost or dryness. for the moment I have results as you can see in picture, tree groups of vines, healthy (green), weak(red) and missing (black). These 3 groups are respectively coded in a field with 2, 1 and 0. But I would like to make difference between lonely weak... | Slick phenomenon detection on point | gis | 2017-11-22T10:47:22.623 |
[
{
"message": "I want to send GetFeatureInfo request to my GeoServer and get response as JSON.My query string parameters are like this:request:GetFeatureInfoservice:WMSinfo_format:application/jsonexceptions:text/javascriptversion:1.1.0......But my response comes like this:<pre><code>Results for FeatureType 'http... | GeoServer GetFeatureInfo returns plain text result | gis | 2017-11-22T14:40:23.393 |
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