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 |
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[
{
"message": "We were provided with a few geotagged photos, from those photos we were expected to mark more classification points around the region for the classes like water, built-up and barren land.I was able to import those images into google earth using a KML file format using <a href=\"http://www.gearthbl... | Export Google Earth Placemarks to shapefile | gis | 2017-02-17T11:13:38.170 |
[
{
"message": "I need to make a Web GIS and weekly update all my data. Currently I'm working on localhost with this work flow: PostgreSQL (db with csv and shape)GeoServer (to take data from db)Qgis (get the layers from GeoServer and made elaboration)LeafLet (create folder to do a webgis)Put leaflet folder into m... | How to use GeoServer in my LAMP stack with weekly data updates | gis | 2017-02-17T11:46:24.730 |
[
{
"message": "I am new to QGIS. I am looking for any plugin or any manual method in QGIS for finding minimum distance (perpendicular distance) from a point which is part of one shapefile to nearest line among many lines which is part of another shapefile. MMQGIS is not useful for this purpose. I used v.net.co... | Minimum distance from points to nearest line among multiple lines shapefile | gis | 2017-02-17T12:21:11.353 |
[
{
"message": "I am working on digitizing the Agriculture land cover in a certain region. I did something very similar before and couldn't find a good alternative method beside manually digitizing, which is utterly time-consuming. I have tried several methods. but none seems to work perfectly.Image Classificatio... | Digitizing single land use (agriculture) from raster in ArcMap? | gis | 2017-02-17T17:11:03.087 |
[
{
"message": "I have a flex 3.5 app that has been working for a great number of years. I wrote it from the ground up not basing it on the sample flex viewer. I had some server problems yesterday and took the downtime as an opportunity to upgrade everything from 10.4.1 to 10.5. For some reason my definition quer... | Definition Query does not work for flex application against ArcGIS Server 10.5 | gis | 2017-02-17T19:15:00.037 |
[
{
"message": "I would prefer something in python (but I would settle for any programming language) and something that I could install on my own server so the only limitations would be hardware (no throttling, no daily request limits, etc). i.e. I'm not interested in using a hosted service like Google Maps API.W... | Getting elevation at particular coordinate (lat/lon) programmatically (but offline)? | gis | 2017-02-17T20:10:57.217 |
[
{
"message": "My System (Ubuntu) previously had GDAL 1.11.2. We have an issue with using <code>ogr2ogr</code> converting KML to SHP in that the attributes were missing. In researching this, it seems that the LIBKML driver should fix this. I have tried researching various questions and tutorials on getting the L... | GDAL 2.1.3 doesn't have LIBKML | gis | 2017-02-17T21:57:06.600 |
[
{
"message": "I'm working on an app to visualize terrain data in virtual reality for a small mountainous region in Japan (centered around Hakuba). The freely available data I've found for this region (ASTER, SRTM for example) is limited to 30m in resolution. The purpose of my project is to be able to explore ... | Finding high resolution DEM data for small area in Japan? | gis | 2017-02-18T03:43:47.907 |
[
{
"message": "I'm using QGIS for quite a while now but I'm having some problems in measuring the volume of a depression zoned North of a waste dump I'm studying. For the analysis I'm using a recent 1mx1m DTM of the area: <a href=\"https://i.stack.imgur.com/71yPZ.jpg\" rel=\"noreferrer\">As I said the main eleme... | Estimation of volume from DTM | gis | 2017-02-19T14:16:24.783 |
[
{
"message": "I am stuck trying to install gdal, running python3.6 on a Mac.When I run <code>pip install gdal</code> I get errors of <pre><code>Failed building wheel for gdalerror: command 'gcc' failed with exit status 1Command \"/Users/scottieb/anaconda/bin/python -u -c \"import setuptools, tokenize;__file__='... | How to (re)install gdal in python3 (mac)? | gis | 2017-02-19T19:24:40.757 |
[
{
"message": "I wonder if anyone has a tool or a method that can help me to Publish an orthophoto without the need to include it in mxd file.",
"role": "user"
},
{
"message": "From the Catalog pane in ArcMap, or from ArcCatalog itself, you can right-click on your raster and select Share as Image Ser... | Publish an orthophoto without needing mxd file | gis | 2017-02-19T19:48:59.547 |
[
{
"message": "I am working with <code>leaflet</code>. I am wondering, if it is possible to animate points on the <code>leaflet</code> map like <code>cartoDB</code> is doing it with <code>torque.js</code>.I basically need a timeslider for manual display and a play-button for automatic display of the data. I cann... | Animate points and/or polygons on leaflet map | gis | 2017-02-20T11:26:10.390 |
[
{
"message": "I am trying to take a shapefile, with way too many fields/columns, and copy over only certain fields into a new shapefile.Normally, I would just delete the fields I don't need from the original shapefile, but I don't want to come across an instance where the GIS operator decides to remove a field ... | Copying only certain Fields/Columns from shapefile into new shapefile using Modelbuilder in ArcCatalog? | gis | 2017-02-20T16:36:39.717 |
[
{
"message": "I am trying to take a shapefile, with way too many fields/columns, and copy over only certain fields into a new shapefile.Normally, I would just delete the fields I don't need from the original shapefile, but I don't want to come across an instance where the GIS operator decides to remove a field ... | Copying only certain Fields/Columns from shapefile into new shapefile using Modelbuilder in ArcCatalog? | gis | 2017-02-20T16:36:39.717 |
[
{
"message": "I'm using the Vector Geoprocessing/Difference Tool to cookie-cut out of one polygon using several polygons from another layer, but it is returning a blank layer. I note this query has been asked before and the problem can be that the layers have different CRS's. That is not the case here. I hav... | QGIS 2.14.2 Difference Tool Returning blank layer | gis | 2017-02-21T05:14:04.723 |
[
{
"message": "I'm using the Vector Geoprocessing/Difference Tool to cookie-cut out of one polygon using several polygons from another layer, but it is returning a blank layer. I note this query has been asked before and the problem can be that the layers have different CRS's. That is not the case here. I hav... | QGIS 2.14.2 Difference Tool Returning blank layer | gis | 2017-02-21T05:14:04.723 |
[
{
"message": "I've import osm file into database by with this command:<blockquote> osm2pgsql.exe -c -C 3000 -G -d OSM -U postgres --hstore -S default.style data.osm.pbf</blockquote>After import I've add required columns:<pre><code>ALTER TABLE planet_osm_line ADD COLUMN source INTEGER;ALTER TABLE planet_osm_li... | Routable network from osm2pgsql schema | gis | 2017-02-21T11:49:57.040 |
[
{
"message": "Is it possible to change the mouse cursor of an ArcMap addin-tool using Arcobjects? I have the cursor set in the Config.esriaddinx file, however I would like to change the cursor to reflect the underlying functionality of the tool. The tool has select and measure functionality. I have added a s... | How to change the mouse cursor of an ArcMap add-in tool using Arcobjects? | gis | 2017-02-21T16:16:38.677 |
[
{
"message": "Is it possible to change the mouse cursor of an ArcMap addin-tool using Arcobjects? I have the cursor set in the Config.esriaddinx file, however I would like to change the cursor to reflect the underlying functionality of the tool. The tool has select and measure functionality. I have added a s... | How to change the mouse cursor of an ArcMap add-in tool using Arcobjects? | gis | 2017-02-21T16:16:38.677 |
[
{
"message": "I am beginner at Python scripting and just started using it with ArcGIS Pro by executing commands in the Python window. However, I can only get one command to run at a time. For example, if I enter the following lines of code in the Input Area of the python window and press \"ENTER\", the cursor m... | Running multiple commands in Python window for ArcGIS Pro | gis | 2017-02-21T16:48:08.477 |
[
{
"message": "I am making a map book of plots in a municipality. I am using data driven pages, but I want each page to only show the current plat and grey out the other plats on the edges. Is there a code I can use to do this? Using 10.1",
"role": "user"
},
{
"message": "You could make a page defini... | Data Driven Pages- Can i grey out non-zoomed to layers of each page? | gis | 2017-02-21T20:13:14.467 |
[
{
"message": "I did a Network Analysis with ArcMap, executed by a python-script (I am building an ArcGIS-Tool).In the very end, I want my directions-output to be shown as a displayed map, so the user can navigate with the map.But right now I only get an HTML/XML/Text-File, which is nice, but not perfect.<pre><c... | Display map from python script? | gis | 2017-02-22T09:08:09.157 |
[
{
"message": "I have tried Multiple Buffer in ArcMap and I get this image. What I want however is the interval between buffers. I.e. 0-10, 11-20, 21-30 meters. This tool just uses the point as origin. Hopefully I made my question clear enough. <a href=\"https://i.stack.imgur.com/zX8Nk.png\" rel=\"nofollow noref... | Creating buffer doughnuts in ArcGIS Desktop? | gis | 2017-02-22T09:38:42.093 |
[
{
"message": "I'm new to QGIS, and am using v2.18.3 with the cloud plugin. I've published a map to the cloud, but am having problems with an attribute field in one of the layers. It's a URL field, and the data contains http strings for some rows and https for others. The http strings are properly displayed a... | QGIS Handling of HTTPS URL Strings | gis | 2017-02-22T14:29:08.660 |
[
{
"message": "My use case is related to calculating the area of a polygon in a shapefile that is covered by another polygon.Specifically, I want to do the following:Create circles that have a 100m radius, from a data.frame of long/lat pointsOverlay these circles onto a shapefileCalculate the area of each of the... | Create a circle of defined radius around a point and then find the overlapping area on a shapefile | gis | 2017-02-22T15:04:52.153 |
[
{
"message": "I am using QGIS 2.18.3.I have a shapefile (which defines parcels) and a .csv file (non-spatial) as a table (added to the project through add vector layer) with additional data regarding the parcels. I have joined the .csv based table to the shapefile layer.If I select the parcel layer, toggle edit... | Editing feature attribute values in joined non-spatial table in QGIS? | gis | 2017-02-22T16:20:17.530 |
[
{
"message": "I host some raster data on geoserver and want to access all pixel values within a given area (e.g. a geojson polygon).I can access single pixel values via WMS <code>GetFeatureInfo</code> but this approach is limited to a single point, not areas.<a href=\"https://gis.stackexchange.com/questions/534... | Request values within an area from geoserver | gis | 2017-02-22T17:35:23.537 |
[
{
"message": "I have the server URL (<a href=\"http://ows.geobase.ca/wms/geobase_en\" rel=\"nofollow noreferrer\">http://ows.geobase.ca/wms/geobase_en) but no idea what is the query format for the tiles.As an example, this is the URL for the USA Topo maps served by ArcGIS, where [Z]/[Y]/[X] is replaced with the... | Querying the National Resources Canada Toporama WMS | gis | 2017-02-22T21:37:11.763 |
[
{
"message": "I first generated a square tessellation (using <a href=\"http://pro.arcgis.com/en/pro-app/tool-reference/data-management/generatetesellation.htm\" rel=\"nofollow noreferrer\">Generate Tesselation) using the following: <pre><code>arcpy.GenerateTessellation_management(Output_Feature_Class=\"/File Lo... | Generate Tessellation & Centroids using ArcGIS Pro? | gis | 2017-02-22T23:52:46.980 |
[
{
"message": "I have a problem with mapcache, I want to set maxzoom level = 21, but I get error when i try to restart apache server.<a href=\"https://i.stack.imgur.com/An20J.png\" rel=\"nofollow noreferrer\">Here's error I get : <a href=\"https://i.stack.imgur.com/UYoht.png\" rel=\"nofollow noreferrer\">",
... | Set maxzoom in mapcache, but get error when I restart apache server | gis | 2017-02-23T07:29:56.657 |
[
{
"message": "So I'm trying to get a good list of embassies from Overpass, here's my initial query:<pre><code>[out:json];( node[\"amenity\"=\"embassy\"]; way[\"amenity\"=\"embassy\"]; relation[\"amenity\"=\"embassy\"]);out tags; </code></pre>However this query has some issues to it. I'm looking for emb... | Overpass API Boolean Filtering? | gis | 2017-02-23T08:35:44.680 |
[
{
"message": "I have a point and a square polygon. Both are sp classes. The point intersects one side of the polygon, and I need to know which side of the square it intersects (i.e. north, east, south, or west). The square almost lines up with the compass, so there are clear n, e, s, w edges, but it doesn't lin... | Finding the side of a square that a point intersects with R (sp) | gis | 2017-02-23T11:39:24.820 |
[
{
"message": "After installing ArcGIS Enterprise (aka ArcGIS for Server 10.5) an Azure LoadBalancer instance is created, in addition to a configured ESRI webadaptor being installed. It's unclear (not documented) what role the LoadBalancer plays and how it works with the ESRI web adaptor. It seems that they po... | ESRI 10.5 Azure Cloud builder install - LoadBalancer | gis | 2017-02-23T19:46:24.600 |
[
{
"message": "I'm fairly new to GIS, and wondering if someone can tell me if there is a difference between WGS 1984 Geographic Coordinate System, Version 2 and WGS 1984 Web Mercator (Auxiliary Sphere)? Are they just different names for the same exact thing?Can someone tell me if they have different WKIDs/ ESPG ... | WGS 1984 Geographic Coordinate System, Version 2 vs WGS 1984 Web Mercator (Auxiliary Sphere) | gis | 2017-02-23T21:22:19.557 |
[
{
"message": "I am trying to get the length of a line between two selected points. The points reside in table subs and are utilizing srid 4236. I can verify the selection exists...<pre><code>SELECT id, name, geom FROM subs where name = 'DALLAM COUNTY'or name = 'DALHART';</code></pre>Which returns the expected ... | ST_MakeLine From Query Returns Empty | gis | 2017-02-23T22:42:18.550 |
[
{
"message": "I have a table with all the hotels in Paris. The columns are the name of the hotel, the geocode and the neighborhood (arrondissement) of Paris that hotel is in.I've plotted all these points in GQIS and then selected all those hotels that have neighbourhood = 1st arrondissement (highlighted in yell... | What alternative to Voronoi polygons should I use for my QGIS problem? 2d Clustering? | gis | 2017-02-23T23:59:42.973 |
[
{
"message": "Is it possible to import excel data to QGIS? I have an 80,000 point database with city names (no coordinates) in a common country. There would possibly be minimal data to be viewed from each point. How would I handle the import?Here is a screenshot. It has been a few years since I last used QGIS, ... | Adding waypoints with certain connected data | gis | 2017-02-24T02:00:05.100 |
[
{
"message": "I exported a model from model builder to python. But qgis:refactorfields does not accept @row_number as expression.<pre><code>outputs_QGISREFACTORFIELDS_1=processing.runalg('qgis:refactorfields', outputs_QGISMULTIPARTTOSINGLEPARTS_1['OUTPUT'],'[{'type': 2, 'length': 3, 'expression': u'@row_number'... | qgis:refactorfields does not accept @row_number as expression | gis | 2017-02-24T07:07:36.973 |
[
{
"message": "I have a raster file which has a range (min: 80 max: 120). I would like to reclass this raster by using quantiles. Is that possible?",
"role": "user"
},
{
"message": "If it is just for visualisation, then you can adjust how the raster is displayed in QGIS, by choosing single band pseud... | Reclassify a raster file with quantiles | gis | 2017-02-24T13:10:16.500 |
[
{
"message": "QGIS 2.18.3:I have a shapefile layer in QGIS which describes points. One class of points are ship lane beacon lights (svg image), and these should be turned towards the ship lane. The angle of the ship lanes are found in another layer (the shapefile line layer for the ship lanes) and the angle is ... | QGIS: Rotate SVG symbol in layout according with degree number in another layer | gis | 2017-02-24T14:02:10.447 |
[
{
"message": "I would like to compute zonal statistics in QGIS (preferably using the Python console) of a polygon layer with overlapping features.I've seen different questions (and answers) on how to compute zonal statistics, but none of them refer specifically to how to deal with overlapping features in QGIS. ... | Compute zonal statistics in QGIS with overlapping features | gis | 2017-02-24T23:23:26.733 |
[
{
"message": "I followed this solution. But I am unable to highlight the feature. Can anyone help what is wrong....!!<pre><code>var style1 = new ol.style.Style({ stroke: new ol.style.Stroke({ color: '#ff6600', width: 4 }), text: new ol.style.Text({ font: '12px Calibri,sans-serif', ... | Using Openlayers 3 highlight or add style to WMS layer with map click | gis | 2017-02-25T07:27:45.777 |
[
{
"message": "I understand next to nothing when I look at a WKT string, but I've copy-pasted and used a few of them for work. However, I came to think of the doughnut shaped world in which my friends and I play Dungeons and Dragons and was wondering if I would be able to build a mapping software that projects t... | WKT for a doughnut shaped world projection? | gis | 2017-02-25T11:35:44.770 |
[
{
"message": "I am using QGIS 2.18 . I have shapefile which contains multiple lines. After processing certain data processing , I need to draw parallel lines at different distances from existing lines. For example I have 32 lines in existing shapefile. I want to draw parallel lines at distance of 50, 100, 170, ... | Creating parallel lines at particular distance from lines which are part of a shapefile | gis | 2017-02-25T14:40:44.743 |
[
{
"message": "I am using QGIS 2.18 . I have shapefile which contains multiple lines. After processing certain data processing , I need to draw parallel lines at different distances from existing lines. For example I have 32 lines in existing shapefile. I want to draw parallel lines at distance of 50, 100, 170, ... | Creating parallel lines at particular distance from lines which are part of a shapefile | gis | 2017-02-25T14:40:44.743 |
[
{
"message": "I am using QGIS 2.18 . I have shapefile which contains multiple lines. After processing certain data processing , I need to draw parallel lines at different distances from existing lines. For example I have 32 lines in existing shapefile. I want to draw parallel lines at distance of 50, 100, 170, ... | Creating parallel lines at particular distance from lines which are part of a shapefile | gis | 2017-02-25T14:40:44.743 |
[
{
"message": "I have a shapefile with points showing numbers of birds observed in different parts of the country. As these were quite a lot of points with many of them very close together, I used the integrate-tool to combine points that are close to each other (e.g. within 2 km of each other). That all worked ... | Label integrated points | gis | 2017-02-27T15:51:15.553 |
[
{
"message": "I am new in Openlayer2 . I want to make a circle on click but my code making a marker and a random generated circle. You can check on code here <a href=\"https://fiddle.jshell.net/sm1g1hxz/\" rel=\"nofollow noreferrer\">https://fiddle.jshell.net/sm1g1hxz/<pre><code><!DOCTYPE html> <html ... | Making circle onClick of mouse using OpenLayers 2? | gis | 2017-02-28T09:45:14.607 |
[
{
"message": "I was using 2.16 version and everything was alright, I could merge two layers via Vector - Data Management - Merge and use .shp format as saved output format. Unfortunately my working laptop was reinstalled and now when I installed same QGIS back - I can't use this .shp option (I have only dbf, cs... | Cannot select SHP format as saved format after merge two layers QGIS 2.16 and 2.18 | gis | 2017-02-28T10:00:14.463 |
[
{
"message": "I have a table with 2 fields, field1 contains site specific data, field2 contains a number which groups the field1:<pre><code>Field1, Field2180, 1 203, 1220, 1205, 1 160, 2 140, 2 135, 2</code></pre>I want to sort low to high of field1 grouped by field2. I then want to take the \"rank# of field1 g... | Writing QGIS field calculator formula? | gis | 2017-02-28T20:50:02.643 |
[
{
"message": "I am trying to create an SLD to style a polygon; the goal is to create hash fill for polygon but to leave empty space between hatch and bounds of the polygon, something like this:<a href=\"https://i.stack.imgur.com/mQceq.png\" rel=\"nofollow noreferrer\">I am using this to create fill<pre><code>&l... | SLD polygon graphic fill - hatch | gis | 2017-03-01T19:42:36.667 |
[
{
"message": "I recently joined an excel into attribute table on ArcGIS. The excel has been saved into csv format and the joining worked.<a href=\"https://i.stack.imgur.com/QzIzL.png\" rel=\"nofollow noreferrer\">Also, when I click on a feature, it shows all attribute fields.Now I repeated the process but it ap... | Why the joined fields doesn't show properly in attribute table? | gis | 2017-03-01T23:17:08.307 |
[
{
"message": "I came across with a problem. I don't know how to change active layer by using a combo box object (QComboBox). I manage to create a list of names but I don't know how to change active layer in QGIS plugin Combo Box yet. <pre><code>index = QgsMapLayerRegistry.instance().mapLayers().values()for i i... | Changing active layer in combo box in PyQgis plugin? | gis | 2017-03-02T08:15:30.613 |
[
{
"message": "In our project we need to use rasters offline on QField. Our tablets are a very limited software and using uncompressed rasters is too slow to be practical. First, we try to convert our tif files to ecw, but didn't recognice the file (shows an error like the file is missing). Then we try to use co... | QField and compressed raster formats | gis | 2017-03-02T08:54:47.647 |
[
{
"message": "Is it possible to carry out vector editing functions in QGIS? In this case I have an imported shapefile of contour lines. I wish to be able to create a copy of a line, in-situ, trim it, then create a number of offsets at a specific spacing. In short, basic CAD tasks.",
"role": "user"
},
{
... | Drawing and Editing in QGIS | gis | 2017-03-02T12:28:04.067 |
[
{
"message": "I have the code below. fc is a shapefile. I add a new field called \"RANK\". I want to populate the RANK column with values from Final_Rank list. Fortunately, they are of the same size. Field RANK has got 11 rows and Final_Rank has 11 values. The code below creates the field RANK and then adds 11 ... | Adding values from list to field in feature class using ArcPy? | gis | 2017-03-02T14:06:53.917 |
[
{
"message": "I inherited some shapefiles that I've been trying to clean up in QGIS and Grass. The shapefile is a large area covering a watershed, the person who digitized it, did so in small chunks without using the snapping tool, so there were many overlaps and gaps. I cleaned those up with the dissolve tool,... | Non-existent polygon inside polgyon | gis | 2017-03-02T17:21:02.683 |
[
{
"message": "I have a raster with a SRID of 4326 and a polygon of SRID 2275. The raster was uploaded to postgis with 90x90 tiles using the following raster2pgsql cmd...<pre><code>raster2pgsql -s 4326 -I -M -b 1 nlcd_2011_clip_wgs84.tif -F -t 90x90 public.nlcd_2011_clip_wgs84 | psql -h localhost -U postgres -d ... | Clip Raster with polygon if different SRID (Postgis) | gis | 2017-03-02T23:36:55.447 |
[
{
"message": "I'm just beginning to learn coding in d3 and leaflet, i have some code that i'm experimenting with and facing some problems with setting the icon.I wanted to change the leaflet icon depends on the data value, but i'm stuck how to show it.This is my code, <pre><code>var ActiveIcon = L.Icon.extend({... | How to set the icon for a Leaflet marker based on a variable | gis | 2017-03-03T04:49:45.093 |
[
{
"message": "I didn't find any answer to this question. In this post it is said that labels are by default on top of everything else: <a href=\"https://gis.stackexchange.com/questions/103121/how-to-place-labels-under-a-vector-layer\">How to place labels under a vector layer?. But it was for 2.2, and years went... | Symbols above labels in map QGIS | gis | 2017-03-03T10:06:10.240 |
[
{
"message": "I created a simple tool that renames layers in the TOC using a <code>for</code> loop. As a tool within my normal toolbox it works fine. Now I´m trying to work more and more with the Python Toolbox and want to migrate the script there. It has these two parameters:<pre><code>def __init__(self): \... | Renaming layer in a TOC using a tool within Python Toolbox | gis | 2017-03-03T13:31:44.520 |
[
{
"message": "I'm following the online qgis manual available on qgis website. I'm doing the step 21.11.3. (<a href=\"http://docs.qgis.org/2.14/en/docs/training_manual/answers/answers.html#complete-analysis-3\" rel=\"noreferrer\">http://docs.qgis.org/2.14/en/docs/training_manual/answers/answers.html#complete-ana... | Fixed buffers and interior buffers are not working for a polygon that contains a hole | gis | 2017-03-03T17:14:01.713 |
[
{
"message": "I need landuse and land cover statistics for GURUGRAM district's four tehsils named-Gurugram,Manesar,Sohna,Farrukhnagar.LULC layers may be like Agricultural land, Builtup area, Open area, Wasteland, hilly area etc.",
"role": "user"
},
{
"message": "Here is a <a href=\"https://groups.go... | Seeking - Gurugram, (Haryana India) tehsil land use\Land cover statistics | gis | 2017-03-04T10:59:47.063 |
[
{
"message": "I have a shapefile that contains roughly 200,000 features, each with a unique Zone Code. Within each of these features I would like to randomly place n points. A separate dataset contains a list of the unique Zone Codes and the number of random points required. The end result I am after is a list ... | Generate different number of points for multiple features in shapefile using R | gis | 2017-03-05T22:21:34.547 |
[
{
"message": "We have some integration between our Assets system and our ArcGIS 10.3.1 system. The ArcGIS SDE is versioned. The assets system uses its own version (lets call it 'Assets'), and there is another version, 'QA', that all the editors use (actually, they use their own child versions of 'QA', but let... | Managing Conflicts in Scripted ArcGIS Reconcile of Versions? | gis | 2017-03-06T00:20:29.277 |
[
{
"message": "I am using ArcGIS 10.4.1. I make a map. I am have two shapefiles: one polyline and one polygon. The polyline is a road and polygon is a building. The shapefiles overlap. I want to automatically resolve the overlapping features. I want to make a \"After\" picture.If polygon is placed at the center ... | Automatically moving overlapping features using ArcGIS Desktop? | gis | 2017-03-06T01:16:18.137 |
[
{
"message": "I am working with the following ten landsat 8 images:<pre><code>LC81340412016058LGN00LC81350412016065LGN00LC81350422016001LGN00LC81360412015341LGN00LC81360422016216LGN00LC81360432016216LGN00LC81370412015316LGN00LC81370422015364LGN00LC81380412016086LGN00LC81380422016214LGN00</code></pre>When I open... | Merging landsat 8 tiff images in QGIS? | gis | 2017-03-06T10:40:09.320 |
[
{
"message": "I am running r.lake in the graphical modeler in QGIS as a component of a geoalgorithm I am working on. At the moment the coordinates input for r.lake will only take a manual string input, I am wondering is there a way to create a python script that will take the coordinate values of a vector seed ... | Using python to take coordinates of a layer and input them to r.lake | gis | 2017-03-06T13:51:44.000 |
[
{
"message": "I've looked around I but can't seem to find a coclass/interface that would allow me to access it. I know I could make something similar but I'm curious about interacting with the built-in tool to save some work.",
"role": "user"
},
{
"message": "If you want to popup the existing dialog... | Is it possible to access the Go To XY Tool in ArcObjects? | gis | 2017-03-06T19:15:47.337 |
[
{
"message": "I have the following code below to clean up a table to ensure that phone numbers and emails are entered in correctly, and am trying to debug my code. I am new at Arcpy, so I am still trying to figure out why I am getting a error for my <code>MakeFeatureLayer()</code> function... Although I think m... | Input unsupported or doesn't exist in MakeFeatureLayer() | gis | 2017-03-06T23:06:09.720 |
[
{
"message": "I have a script from <a href=\"https://gis.stackexchange.com/questions/230495/list-index-out-of-range-when-put-in-startup-py-on-qgis/230501?noredirect=1#comment358656_230501\">List index out of range when put in startup.py on QGIS :<pre><code>from qgis.core import *layer = QgsVectorLayer('C:/User... | Remove notification when shp selected automatically in startup.py | gis | 2017-03-07T00:23:47.403 |
[
{
"message": "Currently, I'm developing a plug-in with Python for QGIS, which allows me to perform Line-Of-Sight Calculations. For the calculations, I'm using a python-script which calls modules like \"r.viewshed\" from GRASS to create the viewshed-maps. R.viewshed requires some raster-file as input, and that's... | Determining elevation of given coordinate (point) of rasterized .tiff-file in QGIS? | gis | 2017-03-07T01:29:11.677 |
[
{
"message": "I'm trying to make a map in Openlayers using an image of a crater from mars (specifically <a href=\"https://astrogeology.usgs.gov/search/map/Mars/MarsScienceLaboratory/Mosaics/MSL_Gale_Orthophoto_Mosaic_10m_v3\" rel=\"nofollow noreferrer\">this image) so I can add markers/lines/etc on it.I know th... | Making base map from image with known corner coordinates? | gis | 2017-03-07T11:53:49.700 |
[
{
"message": "I'm testing the ability to use SQLLite with ArcGIS. I ran the python script Esri said, \"sqlite_database_path = 'C:/sql_lite/CI.sqlite' and arcpy.gp.CreateSQLiteDatabase(sqlite_database_path, \"ST_GEOMETRY\") it looks like it worked, ArcCatalog sees the database. What I found is you have the opti... | ArcGIS unable to copy data into SqlLite | gis | 2017-03-07T14:36:30.303 |
[
{
"message": "I'm trying to calculate the following formula for each pixel of my raster but I have no idea how to do it -<a href=\"https://i.stack.imgur.com/mrB8C.jpg\" rel=\"nofollow noreferrer\">",
"role": "user"
},
{
"message": "Your expression should be something like this -<pre><code>0.077 * (2... | How to write this formula in model builder or raster calculator? | gis | 2017-03-07T19:06:49.460 |
[
{
"message": "I'm trying to return a string when I click on a country in a map. The string is the country name, which will then be passed to a geoprocessing tool. I've definied \"country\" as a global variable. I'm trying to define it inside the click function and it's not working. console.log() doesn't print a... | ArcGIS Javascript API Global Variable Issue | gis | 2017-03-07T20:07:36.433 |
[
{
"message": "I have a river network along which there are lake polygons that I want to assign orders to. So from headwaters to downstream I want the order to increase depending on the number of previous lakes.As of now I have the network in both route and geometric network form and made route events of the lak... | Assigning accumulating numbers to events along a (river)network | gis | 2017-03-07T21:53:20.363 |
[
{
"message": "I have a point shapefile that is symbolized with an svg. The shapefile has a attribute with Y values. I would like the points with lower Y values to draw on top of points with higher Y values. Below is a SE link with instructions for an earlier version of QGIS that has that feaure called Define... | Draw order of point symbols in QGIS | gis | 2017-03-08T01:31:20.120 |
[
{
"message": "My Openlayers application can display tiled rasters from arbitrary online sources. It will parse capabilities from any user-specified URL for WMTS, TMS, OSM, XYZ or WMS services and present the user with a list of available layers which they can choose from.Many of these layers are only available... | Openlayers HiDPI/Retina Screen with standard resolution raster tiles? | gis | 2017-03-08T01:38:44.743 |
[
{
"message": "I'm looking for a tidal range GIS layer. Anything global that shows either mean tidal range, maximum tidal range, or maximum tidal height. I have been trawling the web for tide related GIS layers and they don't seem to be available. If any one knows of a source, please let me know!",
"role": "... | Global tide data - is it out there? | gis | 2017-03-08T03:53:15.090 |
[
{
"message": "I'm trying to set symbology on a point layer in QGIS using a font marker. I would like to use a font that contains symbols rather than normal characters.<a href=\"https://i.stack.imgur.com/fvzhK.png\" rel=\"nofollow noreferrer\">The dropdown picker for font family seems to display the text using ... | How to read font family name in QGIS? | gis | 2017-03-08T04:58:05.247 |
[
{
"message": "I am trying to generate a hot-spot in crime profiler based on the total amounts of cost associated with a particular location. I have multiple locations but I do not want a standard hot-spot showing the spread of the locations/incidents. Instead I want to use the sum of costs associated at the loc... | Creating hot-spot in crime profiler? | gis | 2017-03-08T07:01:03.830 |
[
{
"message": "I want to create a simple WebGIS for kayak tours, including a background image map, routes and points of interest (POIs) with a lot of information in form of pictures and photos. Main interest is to display all the information, no analysis are required. Due to this, I think that the concept of Esr... | WebGIS within Esri Storymap? | gis | 2017-03-08T07:39:13.713 |
[
{
"message": "I want to know which formats being supported in ArcGIS for Desktop? Vector, raster, DTED, XML and Web3D formats that I want to know. I researched a little but I couldn't find. Examples for vector: MapInfo TAB, ASCI, VPF etc.Examples for Raster: ADRG,RPF,VRMLIs there any documents that examines thi... | Supported Formats in ArcGIS Desktop | gis | 2017-03-08T08:00:24.720 |
[
{
"message": "I want to create an Esri Story Map and integrate/include an own web map. I would prefer to create both the web map and story map using an API so that I can programmatically develop the maps. Is there an API for Esri Story Maps and is it the same as for creating web maps (there it is the ArcGIS API... | Is there API for Esri Story Maps? | gis | 2017-03-08T08:09:58.033 |
[
{
"message": "If a story map is created that is accessible for everyone, the concerning web maps with my layers have to be published/shared with everyone before. Doesn't this mean that the maps, layers, etc. also can be used by the whole ArcGIS online community for their web maps? The reason why I ask is, that ... | Esri Story Map access to everyone - data "endangered"? | gis | 2017-03-08T08:16:13.803 |
[
{
"message": "I currently have a table in SQL server management studio (2012) with a geography column. <a href=\"https://i.stack.imgur.com/YIoJl.png\" rel=\"noreferrer\">It definitely has valid spatial data, as I can view it in SSMS:<a href=\"https://i.stack.imgur.com/zp0k5.png\" rel=\"noreferrer\">What I want ... | Export geography field from SQL for use in GIS | gis | 2017-03-08T11:30:21.250 |
[
{
"message": "When hovering your mouse over a layer, a tooltip appears showing the layer's source. E.g. for a virtual layer:<a href=\"https://i.stack.imgur.com/rEd6i.png\" rel=\"noreferrer\">Is it possible to change this tooltip either through an existing option or PyQGIS?I noticed the <a href=\"https://qgis.or... | Is it possible to set a tooltip for a layer? | gis | 2017-03-08T13:44:47.663 |
[
{
"message": "I currently possess two rasters with the EXACT SAME resolution and extent, and yet they show different number of rows when loaded into the global environment in R. In addition, before these rasters were made a dataframe in R by using the asctodataframe() function in R, they were initially stacked ... | Difference between large Rasterlayer and formal class Raster Layer in R? | gis | 2017-03-08T16:00:29.633 |
[
{
"message": "I am using QGIS 2.14.12 Essen under Ubuntu 16.04. Xenial. My overarching goal is to use the entire QGIS suite, including GRASS, SAGA, Orfeo and TauDEM. In general, QGIS works fine and so does Grass, however, I get some crashes when using SAGA and some python based algorithm. When I start QGIS from... | QGIS 2.14.12 Essen / Ubuntu 16.04: Error Numpy/GDAL | gis | 2017-03-08T20:01:18.957 |
[
{
"message": "I have installed RHEL7Installed qt-opensource-linux-x64-5.6.2.runInstalled qgis-2.14.9-1.el7.x86_64.rpm with other dependencies as follows:<pre><code>1. qgis-2.14.9-1.el7 RPM for x86_641.1. gpsbabel-1.5.0-2.el7 RPM for x86_641.1.1. shapelib-1.3.0-2.el7 RPM for x86_641.2. qtwebkit-2.3.4-6.el7 RPM f... | Installing QGIS 2.14.9-Essen with Qt 5.6.1 on RHEL7 (64-bit) | gis | 2017-03-09T06:53:32.430 |
[
{
"message": "I've categorized multiple points for schools that are to be developed, reconstructed or demolished, with green, yellow and red colors if the schools capacity (the number of children) is increasing, staying the same or decreasing. The size of each point is data defined depending on how large the ch... | Multiple symbols in the same points vector layer (data defined marker) | gis | 2017-03-09T16:10:19.807 |
[
{
"message": "I want to create a very simple Python QGIS plugin and I follow this <a href=\"http://www.qgistutorials.com/en/docs/building_a_python_plugin.html\" rel=\"nofollow noreferrer\">manual, all works fine using QGIS plugin builder and QT designer but I am not sure how to connect my variable from the GUI ... | QGIS plugin using plugin builder | gis | 2017-03-09T16:15:13.667 |
[
{
"message": "ArcGIS for Desktop 10.3.1, Geospatial Analyst Toolbar, Voronoi DiagramsHow is the entropy value calculated? What is the math?I have gone through ESRI's E-learning exercise. The exercise has a data set that contains temperature for various location. <pre><code>temp 1, at (x1,y1)temp 2, at (x2,y2)te... | What is math behind entropy calculation in ArcGIS Voronoi diagram? | gis | 2017-03-10T06:41:15.477 |
[
{
"message": "I have a QGIS (2.18.0) plugin which updates a join between to layer (spatial and non-spatial layer).QGIS crashes when I run the plugin and the attribute table of the joined layer is open. There is no crash when the attribute table is closed or an attribute table of another layer is open.The last t... | How to close all (or distinct) attribute table with PyQGIS | gis | 2017-03-10T09:44:14.297 |
[
{
"message": "I'm working on my bachelor thesis right now and I want to find a catchment area for different bus stops. Is there a function in QGIS where I could use a point layer as input, use ways as distances and I want to determine the distance (so e.g. a busstop has a catchment area that contains 500m). I t... | Network analysis using QGIS? | gis | 2017-03-10T09:57:36.023 |
[
{
"message": "When publishing a service on arcmap how do you change the cache location? Since when a service is cached there is no way to change the option available from the default option. I went to Customize, Arcmap Options and Display Cache and I changed the path there however this did not change the path t... | Change cache location when publishing a service | gis | 2017-03-10T10:32:49.723 |
[
{
"message": "I am new to QGIS.I am trying to construct a DEM from contour lines by using QGIS 2.14.0. (and later 2.18) I am doing this by using a clip rectangle tool (geoprocessing tools) on top of the contour lines and interpolating, by using the interpolation plugin, using triangular interpolation.After I en... | Interpolation plugin error message WKB access out of bounds with QGIS 2.14 & 2.18 | gis | 2017-03-10T14:51:16.493 |
[
{
"message": "In QGIS, is there any plugin that can download OSM map tiles once save it and not have to download it every time I scroll move on the canvas?I use OpenLayers for now, but what if I do not have internet connection?",
"role": "user"
},
{
"message": "Alternatively to the OpenLayers plugin... | Downloading OSM map tiles to QGIS | gis | 2017-03-10T14:52:06.297 |
[
{
"message": "I need to merge records with the same PIN, and populate the null fields with values if they exist. The highlighted ones in the image are what I'm talking about. This is just a test run; for the final product I will have 2,000+ records and 14 additional fields, instead of 4.Does anyone know a good ... | Merge records with identical ID in ArcGIS Desktop? | gis | 2017-03-10T20:34:41.670 |
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