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 edit my question to be more clear. the last answers were not helpful for me, maybe I did not ask well my question.I have a file of nodes and a file of polylines. In my file polylines, I have 2 fields, \"NODEA\" and \"NODEB\". In my node file, I have a unique \"identifier\" field for each node. I... | Locate start point, end point intersecting line in a polyline | gis | 2017-05-30T06:46:14.003 |
[
{
"message": "I want to make a kind of Resape script tool for highlited polygons.For example there are two polygons from different *.gdb files that share a same boundary and they need to be merged.I read coordinates form the first shape then from the second and made a list of coordinates. Then united them into ... | Reshaping object in arcpy.da.UpdateCursor | gis | 2017-05-30T14:15:43.883 |
[
{
"message": "I am working on Hydrographic maps and I have used the interpolation plugin and got the depth at all points in a raster layer. Now I need to save the Lat\\Long and depth in a text file. I am aware of the copy_coords plugin but it saves only x and y coordinates. Similar to copy_coords, I need a code... | Saving Coordinates and Depth in a File on click | gis | 2017-05-31T04:57:37.183 |
[
{
"message": "I have a table with a lot of place names. There are much too many names for all of them to be shown on the print composer map. Some names are important, and in the column fontsize these have a bigger font size number (for instance 270). I want to prioritize bigger font size names over smaller fon... | QGIS label priority settings | gis | 2017-05-31T07:33:49.603 |
[
{
"message": "I am quite new to the topic of handling geodata, so I face my first big challenge now: I downloaded an osm file containing information about any kind of data related to power generators, transformer stations etc. (<a href=\"http://enipedia.tudelft.nl/wiki/Extracting_Power_Data_from_OpenStreetMap\"... | Conversion of an OSM Multipolygon to a Shapefile Polygon Using QGIS | gis | 2017-05-31T07:50:59.800 |
[
{
"message": "I want to transform Gauss-Kruger coordinates into WGS84 coordinates by applying the Bursa-Wolf transformation. I know the Bursa-Wolf parameters for the desired transformation. What confuses me is that the <a href=\"https://sis.apache.org/apidocs/org/apache/sis/referencing/datum/BursaWolfParameters... | Applying the Bursa-Wolf transformation | gis | 2017-05-31T09:50:41.977 |
[
{
"message": "I successfully merged my imagery data, but the problem is that \"merge\" function treated an alpha as a transparency instead of an additional channel which has to be merged. How to merge all rgba properly?Unfortunately there is no -extend rgba function.",
"role": "user"
},
{
"message":... | gdal merge with all rgba channels | gis | 2017-05-31T15:36:08.437 |
[
{
"message": "I'm trying to export an animation using ArcGIS 10.3.1. I have monthly unemployment rate data dating back to 1990 for every county in the continental US. Each month's unemployment rates are stored in a separate field. In trying to create an animation, I have only been able to visualize this data in... | Symbolizing a file geodatabase layer using every attribute field? | gis | 2017-05-31T19:35:22.960 |
[
{
"message": "I have a cron job to run osmosis + osm2pgsql to keep my OSM database updated from <a href=\"https://planet.openstreetmap.org/replication/day/\" rel=\"nofollow noreferrer\">https://planet.openstreetmap.org/replication/day/Due to problems in my server I have lost two weeks of update, working back ag... | Make my OSM database up to date again | gis | 2017-06-01T01:51:37.740 |
[
{
"message": "I'm using ArcMap 10.2, I'd like to restrict the type of records that makes their way into a feature class to only those with a geometry. Is there a way to create feature class in a geodatabase where the SHAPE field is set to non-nullable? Ie. \"Allow NULL Values\" changed to \"No\"?<a href=\"https... | Can a SHAPE field be non-nullable? | gis | 2017-06-01T13:23:20.743 |
[
{
"message": "I imported water contamination data from surface water bodies from a CSV file. Each water body was georeferenced with a single pair of lat/long coordinates. Now I have a map full of individual points which are located somewhere at the border of a lake, river etc. I only have one point per surface ... | Single point into individual polygon | gis | 2017-06-01T14:24:15.923 |
[
{
"message": "I have a map with 5 different sublayers and am having an issue with the infowindows between sublayers. If I click on a sublayer point to open an infowindow and then click on a different sublayer to open another infowindow that first infowindow does not close (I'm assuming it's because it's not pa... | How to get sublayer infowindow to close in Carto.js | gis | 2017-06-01T19:40:07.947 |
[
{
"message": "I am currently working on a solar potential estimation tool for existing buildings. The idea is to use buildings (=Polygon) shape, their height, and create the resulting shade at a given hour. I am only going to do the test for a few position of the sun. I know about the grass function r.sun.mask ... | Using postgis to generate building shades | gis | 2017-06-02T09:31:41.163 |
[
{
"message": "I need to clip a shapefile, the same way one would use Extract by Polygon on a Raster to achieve a smaller subset of the shapefile. I have previously exployed Extract by Polygon on a Raster and used that raster subsequently in an Extract by Mask operation on the desired shapefile of interest to ob... | Clip a shapefile, given a set of coodinates | gis | 2017-06-02T15:01:47.270 |
[
{
"message": "We are planning to develop a spatial data infrastructure with some webGIS tools integrated. It would serve much vector and satellite data in numerous users. Until now, we are planning to create a project based on GeoNode because we are familiar with the platform and its components (Django, Geoserv... | Differences between CKAN and GeoNode in spatial data infrastructures | gis | 2017-06-02T18:18:43.510 |
[
{
"message": "My netcdf file coonsists of radar rainfall data in aeqd projection (azimuthal equidistant projection). Each file consists of 5952 timestamps(7.5 minutes resolution) of rainfall values for 1kmx1km grids.I want to reproject from aeqd to UTM33 using gdalwarp in commandline as follows.<pre><code>gdalw... | Reprojecting netcdf file using gdalwarp? | gis | 2017-06-03T08:25:04.997 |
[
{
"message": "If my DEM data's spatial reference is the British National Grid, when I use the xy tool in ArcGIS 10.2, are the lat/lon coordinates in OSGB36 or WGS84?",
"role": "user"
},
{
"message": "When you set the DataFrame coordinate system (i.e. what your map is going to be in) and you are addi... | Determining if lat/lon coordinates in OSGB36 or WGS84? | gis | 2017-06-03T11:20:17.137 |
[
{
"message": "I'm very novice to GIS systems, and I'm trying to fulfill a requirement. I've created a small program to calculate the distance of a given lat/lng pair, based on <a href=\"https://stackoverflow.com/questions/27928/calculate-distance-between-two-latitude-longitude-points-haversine-formula\"><code>t... | How to make sure the result of lat/lng distance calculation is correct | gis | 2017-06-04T15:14:38.720 |
[
{
"message": "I have a few (~50) PBF files came from SRTM conversion using phyghtmap.How to merge all of them before importing with osm2pgsql?",
"role": "user"
},
{
"message": "You can use <a href=\"http://osmcode.org/osmium-tool/\" rel=\"nofollow noreferrer\">osmium for merging:<code>osmium merge f... | How to merge OSM PBF files? | gis | 2017-06-04T17:46:02.410 |
[
{
"message": "I am looking to work with hosted GeoJSON data within QGIS. I have read a number of posts, such as <a href=\"http://webgeodatavore.com/add-geojson-content-in-qgis-short-recipes.html\" rel=\"nofollow noreferrer\">add GeoJSON content in QGIS that shows very easily how to load GeoJSON into QGIS. I hav... | Valid hosted GeoJSON format in QGIS | gis | 2017-06-04T19:20:33.817 |
[
{
"message": "I'm using the javascript API for Google Maps and uploaded a kml. It's picking up the .kml fine, but the polygon style isn't pulling in correctly. I've got 4 polygons each with different colors and this is what it renders as:<a href=\"https://i.stack.imgur.com/BMjKN.png\" rel=\"nofollow noreferre... | Polygon style settings not working KML google maps api | gis | 2017-06-04T22:16:59.193 |
[
{
"message": "I can get snapping working with polygons to form a set with full coverage but I can't get it to work with lines. What I want to do is have the end of one line segment snap to the end of another. I.e the two ends have the same geometry. In my research nearly all the references to snapping invol... | Does Snapping work for lines as well as polygons? | gis | 2017-06-05T03:03:36.943 |
[
{
"message": "I have a problem with displaying an image with QGIS2Web. First, I followed the procedure as given in the link below to pop some images from my photo directory:<a href=\"https://gis.stackexchange.com/questions/221893/adding-hyperlinks-to-pop-up-data-in-qgis2web\">Adding hyperlinks to pop-up data in... | Using QGIS2Web to display pictures? | gis | 2017-06-05T04:51:46.357 |
[
{
"message": "How do I copy some features from one class to another in QGIS modeller? In ArcGIS it was just \"Copy features\", but I cannot find it in QGIS.",
"role": "user"
},
{
"message": "You could create a custom script which allows you to copy features (and attributes) from one layer to another... | Copying features from one class to another using QGIS modeler? | gis | 2017-06-05T09:24:59.703 |
[
{
"message": "Does ArcGIS Desktop have any special features compare to ArcGIS online apart from workflow feature ? What are the differences between ArcGIS Desktop and ArcGIS Online with details?In ArcGis Our data will be shared to ArcGIS team, how we can secure the data from ArcGIS team? Which license will be e... | Difference between ArcGIS Desktop and ArcGIS Online? | gis | 2017-06-05T20:15:48.543 |
[
{
"message": "Is there a QGIS plugin that will allow me to embed an interactive web map on a website that requires limited coding? If so, what plugin(s) would be useful for this? I do not need to use open source layers. I already have all of the data.",
"role": "user"
},
{
"message": "The plugin you... | QGIS to web map plugin | gis | 2017-06-05T23:09:46.620 |
[
{
"message": "I need to be able to have the spacing between all of the items in my legend be the same space apart, regardless of the symbol size. The answer to <a href=\"https://gis.stackexchange.com/questions/86672/resizing-symbols-in-qgis-print-composer-legend\">this question is close, but I need to have the ... | How to individually adjust spacing of legend items in QGIS print composer? | gis | 2017-06-06T06:41:59.943 |
[
{
"message": "I want to read tiles from a geopackage file using Geotools (v. 17.0). I found the class <a href=\"https://github.com/geotools/geotools/blob/06e864481205da8af17a7e5083c7894d484785fa/modules/plugin/geopkg/src/test/java/org/geotools/geopkg/mosaic/GeoPackageReaderTest.java\" rel=\"nofollow noreferrer\... | How to read geopackage tiles using Geotools | gis | 2017-06-06T11:43:07.327 |
[
{
"message": "I'm using QGIS 2.18.3 (Las Palmas).I have created pie charts for a layer in QGIS and in order to be able to move the pie charts around i processed the centroids of my polygons. By moving the (Centroid) points I am now able to move the pie charts around. I still have some overlapping in my charts, ... | Moving Pie Chart in QGIS and creating leader line | gis | 2017-06-07T08:05:15.150 |
[
{
"message": "Can I convert a geometry point to wkt including the srid formatted. See below the example.\"SRID=4326;POINT(-43.9725637435913 -19.9411078674228)\".Although I tried to put point.toText() only return the coordinate without the srid.",
"role": "user"
},
{
"message": "You can't (currently)... | Geotools Point to Text with srid | gis | 2017-06-07T14:16:29.427 |
[
{
"message": "I am trying to connect to the following WFS using QGIS:<blockquote> <a href=\"http://mapservices.prorail.nl/arcgis/rest/services/Basis_topografie_002/FeatureServer\" rel=\"nofollow noreferrer\">http://mapservices.prorail.nl/arcgis/rest/services/Basis_topografie_002/FeatureServer</blockquote>Howev... | Error connecting to specific WFS layer with QGIS | gis | 2017-06-08T10:58:23.963 |
[
{
"message": "I have some models for various routines but I really want them to run on a specific layer. I don't want to be able to run the model with any input layer as if done so by accident it can mean crashing out of QGIS due to the issue of having my model run on too big a dataset.I would just like the mod... | Ensure model runs from a specific layer? | gis | 2017-06-08T12:30:09.703 |
[
{
"message": "I have a script I want to use to update a value for a group of selected features in ArcMap in a string field. I am using the UpdateCursor method but I cannot get the output generated that I want. I know my code is close but something is off. Here is my code:<pre><code>import arcpyfc = r'D:\\_da... | Update Cursor Script Not Running | gis | 2017-06-08T13:38:53.670 |
[
{
"message": "I need to identify the adjacent polygones of each polygon of my shapefile. I've applied methodology described <a href=\"https://grasswiki.osgeo.org/wiki/Vector_length_of_common_boundaries\" rel=\"nofollow noreferrer\">here and <a href=\"https://gis.stackexchange.com/questions/70164/trying-to-extra... | What does a value = -1 mean for the GRASS v.to.db module? | gis | 2017-06-08T13:52:33.677 |
[
{
"message": "I have a shapefile for a single (3 km) line generated from a start and end location of a trail. I would like to create a new shapefile with points along the line that are not of an equal distances apart. I have all the point labels with the distances in an Excel speadsheet.I am familiar with \"Con... | Adding points along line at varying distances in ArcMap? | gis | 2017-06-08T14:55:19.010 |
[
{
"message": "I have brought in multiple TIFF (raster) files into QGIS and want to combine them into one file. I tried this by going to Raster> Misc.> Merge. When doing this the output file comes out as gray and black and I want to keep the colors of my TIFF files.<a href=\"https://i.stack.imgur.com/5KlES.png... | Combine multiple TIFF Files into one | gis | 2017-06-08T15:52:25.993 |
[
{
"message": "I have a line layer having lakes and rivers. I would like to extract only the lakes (which are closed curves) from the layer.",
"role": "user"
},
{
"message": "I would probably do the following:Use the v.clean algorithm which you can find in:<pre><code>Processing Toolbox > GRASS com... | Extracting polygons from closed lines in QGIS | gis | 2017-06-08T17:38:35.477 |
[
{
"message": "I was thinking to select an area or a boundary in ArcMap on MouseDown Event and select all the features inside it. How do I select the boundary with the code in C#?Here is what I did:<pre class=\"lang-c# prettyprint-override\"><code>public override void OnMouseDown(int Button, int Shift, int X, in... | Selecting an Area/ Boundary on MouseDown Event and find all the feature class within that boundary scope Using C# | gis | 2017-06-08T20:52:30.273 |
[
{
"message": "Could anyone tell me how they pair their mobile phone gps to a (windows 10) tablet that can be picked up by qgis live tracking? I have tried a few apps which i believe is broadcasting the gps to my tablet (checking against google maps) but qgis is not picking up the gps information.",
"role": ... | Bluetooth my GPS signal to windows 10 tablet using QGIS | gis | 2017-06-08T22:34:13.630 |
[
{
"message": "I've the following table in PostGIS<pre><code>-- Table: public.elevation_data-- DROP TABLE public.elevation_data;CREATE TABLE public.elevation_data( rid integer NOT NULL DEFAULT nextval('elevation_data_rid_seq'::regclass), rast raster, CONSTRAINT elevation_data_pkey PRIMARY KEY (rid))WITH ( OI... | Convert PostGIS raster table into DTED2 | gis | 2017-06-09T07:55:30.867 |
[
{
"message": "I am trying to do the pagination using my own geometry filter. However, I am always getting this: KeyError: 'id'. I can run the example/pagination.py successfully without any error.Here is my pagination.py:<pre><code>import osimport requests# our demo filter that filters by geometry, date and clou... | KeyError: 'id' in pagination | gis | 2017-06-09T22:39:21.107 |
[
{
"message": "I'm pre-rendering a small section of a map for offline use, and I'm getting errors from the output of render_list. I've set up a postgreSQL database with postGIS, and I'm using Mod Tile/Renderd to serve tiles. The command itself returns zero, and the metaimages appear to have been created, but I... | What do the error messages from renderd mean? | gis | 2017-06-12T11:21:12.157 |
[
{
"message": "I want make that a window like this<a href=\"https://i.stack.imgur.com/VuLGa.png\" rel=\"nofollow noreferrer\">Has the foldable behaviour, like this foldable window:<a href=\"https://i.stack.imgur.com/PB4nR.png\" rel=\"nofollow noreferrer\">I need a window foldable, moveable and resizable, any ide... | How folded a widget on screen in Web App Builder? | gis | 2017-06-12T13:02:31.690 |
[
{
"message": "I need to define a regular grid of points in QGIS, which later I'll edit further based on its interaction with some data. Up until now, I was using the \"Vector Grid\" of the same Vector Research Tools, because by using \"Regular Points\" I had some complications. Then, I simply took the data of t... | Lower distance limit in Regular Points tool | gis | 2017-06-12T15:11:13.923 |
[
{
"message": "I have a list of coordinates from Kenya. The coordinates were recorded in old survey maps using Cassini-Soldner Projection, with Clarke 1858 Datum. The approximate geographic coordinates (WGS84) of the area where the coordinates are apparently located are lat: -1.46 and lon : 36.9. As an example, ... | Convert Cassini-Soldner Projection coordinates from Kenya to UTM | gis | 2017-06-12T15:31:37.017 |
[
{
"message": "I have multiple vector layers but don't understand how to clip them in OpenLayers 3.",
"role": "user"
},
{
"message": "You can see <a href=\"http://openlayers.org/en/latest/examples/layer-spy.html\" rel=\"nofollow noreferrer\">layerspy example.it clips canvas area as you want<pre><code... | Clipping in OpenLayers 3 | gis | 2017-06-13T03:47:13.327 |
[
{
"message": "i have tried using the 'Multiple Layer Selection' plugin but it only offers the selection in triangle .. is there a way to have the same effect but with a polygon instead ?",
"role": "user"
},
{
"message": "It has multiple selection by rectangle, as you can see below:<a href=\"https://... | QGIS multiple layer selection | gis | 2017-06-13T06:53:50.280 |
[
{
"message": "I wrote a Python init code for a form. It creates folder and subfolder if the value of a field is \"Si\".<pre><code># -*- coding: utf-8 -*-import osfrom qgis.core import *from qgis.utils import *from qgis.PyQt.QtWidgets import QWidgetdef crea_cartelle(layer, idx, path): layer = iface.activeLayer(... | Python init code add value in field after creating folder | gis | 2017-06-13T11:00:44.773 |
[
{
"message": "I need to extract this highway route on this webpage. <a href=\"https://scenicbyways.info/byway/80452.html\" rel=\"nofollow noreferrer\">https://scenicbyways.info/byway/80452.htmlweb scraping is not part of my skill repertoire. Sometimes I add .geojson to the end of map link and it returns the geo... | Extracting an encoded linestring from a website | gis | 2017-06-13T16:08:52.267 |
[
{
"message": "Here is a simple example to test the Sequential Gaussian Simulation in open geostatistics library HPGL. I use the following file as hard data for the kriging:<a href=\"https://github.com/hpgl/hpgl/blob/cae3489b4935bf0e1e76d02d61d9791b365db77c/src/dist/misc/test/test_data/NEW_TEST_PROP.INC\" rel=\"... | Missing argument in SGS simulation of HPGL | gis | 2017-06-14T05:17:40.810 |
[
{
"message": "On this website <a href=\"https://www.magticom.ge/en/useful-info/offices\" rel=\"nofollow noreferrer\">https://www.magticom.ge/en/useful-info/offices you see a map with a layers (4.5G, 4G, 3G and 2G) that are uploaded in Google Mymaps, I asked the company if they can give these layers but operator... | How can I download a layer from a website map based on the google mymaps? | gis | 2017-06-14T16:10:50.050 |
[
{
"message": "I'm looking for an offline map API for web like Google maps (because I know I can't use this offline). I currently have a program (using js and node.js) that uses the google maps api and google roads api to produce a map, and given a set of points, returns another set of points containing roads ne... | Seeking offline map API like Google Maps for web? | gis | 2017-06-14T17:40:05.657 |
[
{
"message": "I am building a webmap using GeoDjango, Leaflet and PostGIS. I am trying to write a function that returns a raster value from a database when the user clicks on the map (i.e., via a JS alert, or other means). I have read a number of posts on SE but can't seem to get the code to work myself. The re... | Return value from Django view to JS function | gis | 2017-06-14T17:52:22.810 |
[
{
"message": "I'm running geoserver 2.10.3 as local host just for development prior to pushing things into production on a public facing site. I generated tiles in TileMill but i can't find the the matching version I need for geoServer.All of the subfolders here are all contain 2.12 versions:<a href=\"http://ar... | MBtiles ext for GeoServer can't find the version I need | gis | 2017-06-14T23:26:54.087 |
[
{
"message": "I created simple web-map application,It works perfect on Desktop,but when I open on mobile or tablet then their is size problem.<a href=\"https://i.stack.imgur.com/PpcPQ.jpg\" rel=\"nofollow noreferrer\">When I open web-map in mobile then all the web-map content size are changed. I also added this... | How to convert web-map website to mobile phone | gis | 2017-06-15T04:25:32.183 |
[
{
"message": "I created simple web-map application,It works perfect on Desktop,but when I open on mobile or tablet then their is size problem.<a href=\"https://i.stack.imgur.com/PpcPQ.jpg\" rel=\"nofollow noreferrer\">When I open web-map in mobile then all the web-map content size are changed. I also added this... | How to convert web-map website to mobile phone | gis | 2017-06-15T04:25:32.183 |
[
{
"message": "I need to split large contour polyine datasets every 100m to be used for tiling. It currently has each (25cm) contour as a single (very long) line that extends beyond the tile and impacts labeling etc.Is it possible to break it up using MapBasic to 100m segments?I can see lots of advice for a manu... | Split polyline every Xm in MapBasic | gis | 2017-06-15T05:20:31.700 |
[
{
"message": "I'm trying the retrieve the \"WAY\" that passes two given \"INTERSECTIONS\". What I do is query for the NODE that intersects the INTERSECTION using the locations of this intersections (which is returned by OSRM). I use the locations as a bounding box in overpass: nodes(north, west,south,east); ... | Query for WAY that connects two INTERSECTIONS | gis | 2017-06-15T13:08:45.920 |
[
{
"message": "Again, Super new here.I downloaded the DXF2SHP plugin, just to import the full characteristics of my files, but whenever I try to actually convert from a simple DXF file to SHP as I´m supposed to according to the instructions I keep receiving this back:<a href=\"https://i.stack.imgur.com/wBZII.png... | QGIS 2.18.9 pluggin DXF2SHP | gis | 2017-06-15T21:48:27.347 |
[
{
"message": "Where can I configure the maximum number of threads that are used when a seed tiles request is used? The default seems to be 16<a href=\"https://i.stack.imgur.com/5gtrz.png\" rel=\"nofollow noreferrer\">",
"role": "user"
},
{
"message": "The web interface of GWC seems to use name \"tas... | GeoWebCache: Where to configure the max number of threads when seeding tiles | gis | 2017-06-16T03:19:18.767 |
[
{
"message": "I have a layer with counties. I would like to import the bounding box of each county as a spatial bookmark and name it accordingly. Is this possible?",
"role": "user"
},
{
"message": "If you want to add details to the bookmarks such as the names or the project names then I think the on... | Creating spatial bookmarks from existing layer using QGIS? | gis | 2017-06-16T13:46:42.807 |
[
{
"message": "I would like to combine several catchment areas (points feature) into one catchment area. There are examples of my catchment areas.<a href=\"https://i.stack.imgur.com/VGRlB.png\" rel=\"nofollow noreferrer\">Each area has one source (POI).I will use the combined area to create a map like this one<a... | Combining several catchment areas | gis | 2017-06-16T15:36:35.490 |
[
{
"message": "Working on ArcMap Desktop 10.5; the file in question lives in a file gdb. I have a polygon layer with a field of full property addresses (string) from which I need to extract ONLY the unit number, to be populated in a new blank field STUNIT (string). The addresses are all different lengths dependi... | Use field calculator to return the word after "unit"? | gis | 2017-06-16T17:53:29.540 |
[
{
"message": "I was wondering what is the difference between a mvt tile and a pbf extracted from a .mbtiles container using mbutil?Mvt is in pbf as well. The pbf is supposed to be a vector tile as well.They are not exactly the same, since I tried to read the pbf like I read a mvt file, but I was not successful.... | Difference of Mapzen Vector Tiles (mvt) to pbf extracted from .mbtiles | gis | 2017-06-17T06:25:11.800 |
[
{
"message": "I started making a vector layer from raster data but I see slivers (gap area) between my parks and roads layer. How can I overcome this problem? I planned to make a map with scale 1:5000.<a href=\"https://i.stack.imgur.com/oSRDD.png\" rel=\"nofollow noreferrer\">",
"role": "user"
},
{
... | Digitizing without gaps in QGIS | gis | 2017-06-18T18:25:45.543 |
[
{
"message": "Using cesium it is possible to pan the 2D map having Asia as the center?Example as shown in the image.<a href=\"https://i.stack.imgur.com/3sLUS.png\" rel=\"nofollow noreferrer\">",
"role": "user"
},
{
"message": "Give this a try:<pre><code>Cesium.Camera.DEFAULT_VIEW_RECTANGLE = Cesium.... | panning cesium 2D map having asia as center without zooming | gis | 2017-06-19T11:13:30.347 |
[
{
"message": "It is commonly a problem when you need all points to be labelled, but due to high density of points it is difficult to understand the ties between points and labels. Arrows would be a way, but I haven't found anything similar even in SLD extensions.",
"role": "user"
},
{
"message": "I ... | Is it possible to make a label with underline and arrow from label to the point in GeoServer's SLD? | gis | 2017-06-19T13:00:31.957 |
[
{
"message": "I am looking to assign depth values to each fishnet grid cell that I have by taking the area-weighted average of values from a contour/isopach map. The map was interpolating using the depths of individual wells using the Geostatistical Analysis tool Inverse Distance Weighting. Attached see a pictu... | Finding the average value from polygon areas in a fishnet cell | gis | 2017-06-19T13:56:50.530 |
[
{
"message": "In a fairly old blog, Martin Dobias shared a post detailing the use of the <a href=\"http://www.lutraconsulting.co.uk/blog/2014/07/06/qgis-layer-tree-api-part-1/\" rel=\"noreferrer\">QGIS Layer Tree API where one of the images shows the Table of Contents (or Layers Panel in QGIS jargon) using tick... | Can QGIS for Windows use ticks instead of crosses in the Table of Contents? | gis | 2017-06-19T14:35:14.053 |
[
{
"message": "I am using Geoserver 2.11.1 with the vector tile extension to render data in mapbox-gl. I'm able to pull the vector tiles in no problem, but I also need to filter the data on the server side.<pre><code> map.addSource('testLayer', { \"type\": 'vector', \"scheme\": 'tms'... | Is there a way to filter geoserver vector tile on request? | gis | 2017-06-19T17:58:59.033 |
[
{
"message": "I have a shapefile with some polygons and I'd like to create a graph that assigns vertices to polygons and creates edges between vertices if the corresponding polygons share a border. Since I'm using <code>networkx</code>, a Python graph library, I was thinking of using GeoPandas to convert from t... | Using GeoPandas to create a graph | gis | 2017-06-20T00:46:31.580 |
[
{
"message": "I have some data in a database and would like to show them on Leaflet, but unfortunately I cannot. My data look like:<pre><code> Columnname:Val1 POINT (-36.389819 174.124343)</code></pre>and my code:<pre><code>var map = L.map('map').setView([-36.799907, 174.708520], 11); L.tileLayer('http:... | Show points from WMS on Leaflet | gis | 2017-06-20T00:50:21.823 |
[
{
"message": "I have the setup of the tiger geocoder for 15 states, the geocoding time for each address for each record takes between 30-100ms for most of the cases. The problem I'm having is that for a group of states: GA, CA, KS, NV the accuracy is very low, for all the cases the rating is 100. I'm comparin... | Low accuracy for TIGER geocoder | gis | 2017-06-20T04:25:43.017 |
[
{
"message": "I'd need to navigate through and mark non-geographical maps. I used Leaflet.js example to do that (<a href=\"http://leafletjs.com/examples/crs-simple/crs-simple.html\" rel=\"nofollow noreferrer\">http://leafletjs.com/examples/crs-simple/crs-simple.html), and it's working, but my images would be ve... | Navigate through non-geographical maps | gis | 2017-06-20T04:50:52.967 |
[
{
"message": "I am very new to scripting with ArcMap and I have been doing fairly well with google and youtube... but I've reached a problem.I am trying to run a script in which country(ies) I specify from a feature are selected and zoomed to. this is so I can preset a template to begin a map composition with a... | Using arcpy.selectlayerbyattribute_management, getparameter? | gis | 2017-06-20T06:52:32.663 |
[
{
"message": "Sorry if this sounds naive but I have no background in GIS and have trouble finding relevant information.I want to zoom/move a map to fit a set of POI. So: Given a set of coordinates (WGS 84 reference frame) I want to find the bounding box (without any libraries).Is this just plain 2D rectangle ma... | Compute a bounding box of a set of coordinates | gis | 2017-06-20T07:14:07.707 |
[
{
"message": "I would like to find an API whereby I can send it (UK) lat and long pairs and it will return a UK county if one exists for that pair.Ideally I will send it {50.3755,4.1427} and it will return {Devon}.I understand that this isn't a coding or directly technical question but it seemed like the best p... | Converting latitude and longitude points to UK counties | gis | 2017-06-20T12:23:11.837 |
[
{
"message": "I have a map of streets and buildings that I need to change their angel on the map. It is also necessary that the name labels will change respectively.This is a screen shot of the map <a href=\"https://i.stack.imgur.com/HDfKM.jpg\" rel=\"nofollow noreferrer\">",
"role": "user"
},
{
"me... | Changing angle of map in QGIS? | gis | 2017-06-20T13:13:10.977 |
[
{
"message": "I'm coding an app with Phonegap, which requests user's current position. As an overlay I have loaded a geojson layer. I want the app to automatically extract a value of said layer at the exact location, where the user currently is (without the user manually clicking on the layer).I've tried Leafle... | leaflet: current location in geojson polygons | gis | 2017-06-20T13:34:23.313 |
[
{
"message": "I have been trying to crop out certain area of interest from a raster type .tif image format.I was successfully able to implement that in R, but since shiny doesn't provide much for free, i have to switch from R to python to make a web app.I searched a lot for this problem but couldn't find much.T... | Cropping area of interest from raster file using Python? | gis | 2017-06-20T15:22:48.890 |
[
{
"message": "I have been trying to crop out certain area of interest from a raster type .tif image format.I was successfully able to implement that in R, but since shiny doesn't provide much for free, i have to switch from R to python to make a web app.I searched a lot for this problem but couldn't find much.T... | Cropping area of interest from raster file using Python? | gis | 2017-06-20T15:22:48.890 |
[
{
"message": "Im quite new in arcmap map and i have been spending more than 2 week stuck in how to show map offline. I have tried the code is attached but when i run the application.It crashes nothing to show. You can see my code and i also attached geodatabase file.i follow this tutorial: <a href=\"http://www.... | Arcmap digitize map display on android offline | gis | 2017-06-20T18:32:19.173 |
[
{
"message": "I have a geojson with multiple arrays, such as:<pre><code>[[10.77932197941255,52.03584196145097],[10.77932197941255,52.03575906909681],[10.779636389761993,52.03575906909681],[10.779636389761993,52.03584196145097],[10.77932197941255,52.03584196145097]]</code></pre>I need to write some code, which i... | multipolygon: switch coordinate arrays with javascript/jquery | gis | 2017-06-21T06:14:02.113 |
[
{
"message": "I would like to add Mapbox basemaps to Leaflet or OpenLayers, but I am missing the map IDs.Before Mapbox Editor was deactivated, one could easily create and save a map, copy that map's ID and your personal API token and then include the map in Leaflet or OpenLayers by using the following URL, repl... | Map IDs to add Mapbox basemaps to Leaflet or OpenLayers | gis | 2017-06-21T08:13:43.707 |
[
{
"message": "I have to upload GeoTiFF files into a PostGIS/PostgreSQL database and I am new to raster2pgsql. How do I run a raster2pgsql command in the Python console?<a href=\"https://i.stack.imgur.com/pY2bh.png\" rel=\"nofollow noreferrer\"><pre><code>import psycopg2import subprocessdb_name = 'enter_qgisclou... | Using raster2pgsql in Python console of QGIS? | gis | 2017-06-21T09:31:27.053 |
[
{
"message": "With some specific files, gdal.Open() in python only returns a valid dataset if there's an *.aux.xml file available. The aux file has been generated by QGIS when opening there manually. If no aux file, gdal.Open returns a NoneType.It is all described in this github repo:<a href=\"https://github.co... | gdal.Open only returns dataset from geotiff when aux.xml file available | gis | 2017-06-21T09:32:36.673 |
[
{
"message": "Is there any way in leaflet to delete a specific type of features from a feature group (mixed content: markers, polygons, polylines)? I know this code that work: <code>map.removeLayer(drawnItems);</code> but it delete all the objects within the drawnItems featuregroup. I only need a specific type... | leaflet remove a specific type of features from featuregroup | gis | 2017-06-21T11:24:54.340 |
[
{
"message": "<pre><code>CREATE TABLE schema.table( location schema.\"geography(Point,4326)\"(1107456) NOT NULL, location_z schema.\"geography(PointZ,4326)\"(1107458))</code></pre>I'm trying to figure out why Geoserver recognizes a geography(Point) as Point, but sees geography(PointZ) as Geometry.I'm usin... | Geoserver publishes geography(Point) as Point, but geography(PointZ) as Geometry | gis | 2017-06-21T16:01:20.360 |
[
{
"message": "Say I have a DEM raster. I then also I have a set of polygons in which I would like to know the slope between the max and min DEM values of any given polygon. If my thinking is correct, I could calculate the max slope as follows...from within any given polygon:(maxElev - minElev) / distance(maxE... | Slope between max and min values of a defined area within a DEM | gis | 2017-06-21T18:43:45.357 |
[
{
"message": "I'm trying to add an image to an Easy Button activated popup. I understand that anything within () after .setContent is html formatted, though anything I add other than text does not work. Also when I delete everything within the () and just add an image the entire map vanishes. code:<pre><code> ... | Add an image to a popup in a Leaflet map | gis | 2017-06-21T18:52:08.343 |
[
{
"message": "I have a single band raster with values 1-9 (9 being the best and a cell size of 5m) this raster has been clipped to a feature class that has approximately 80 individual buffered areas of 250m (none of these buffered areas are spatially joined). Within each of the buffered areas of the raster, the... | Raster to single point | gis | 2017-06-22T08:30:16.583 |
[
{
"message": "I want to create a module in Qgis, my raster calculator, I'm stuck in the moment as it is possible to read raster files, just like in Qgis.If we open the raster calculator Qgis, we see in the raster channel our raster files with which we can perform mathematical operations<a href=\"https://i.stack... | How can I read in Qt listWidget functionality as Qgis the raster calculator? | gis | 2017-06-22T08:31:41.363 |
[
{
"message": "I am using leaflet 1.0.3 with bootstrap 4 and I need to set a better styling for the popups, I'm thinking in probably a bootstrap modal or in a sidebar in which every time someone clicks the geoJSON layer the information is showed in the sidebar, I'm not an expert in formatting the ugly white popu... | leaflet popup styling as a table | gis | 2017-06-22T15:04:22.800 |
[
{
"message": "I built a workspace in FME Desktop 2017 for re-projecting DWG files between different coordinate systems and I need to automate the writer output folder and filename of the dwg in FME desktop.I need to compose automatically the writer output path using: 'reader input path/myfolder/reader filename.... | How to automate writer output directory and filename in FME Desktop? | gis | 2017-06-22T16:55:30.023 |
[
{
"message": "I am trying to compute the distance and time taken for each origin (40,000+ house points) to the nearest train station (there are 111 of them). How can I do that in ArcGIS? So example Houses H1 to H10 nearest station is S1, and H11 to H30 is S2, so on...Update: The distance would be network distan... | Finding distance and time from multiple points to nearest destination(s) using ArcGIS Network Analyst? | gis | 2017-06-22T17:09:37.597 |
[
{
"message": "I am working with vector polygons that have derived from hand drawn areas from when mapping was carried out with tracing paper over paper maps. Therefore many of the polygons don't exactly line up to the boundaries on the ground.Another dataset of vector lines I have is accurate and so I have been... | Snapping multiple nodes of a polygon to the nodes of a line? | gis | 2017-06-22T17:32:49.753 |
[
{
"message": "I have a point layer with 250 features. I want to find mean distance for each point feature base on 500 search radius. In QGIS by \"Distance Matrix\" I can measure mean distance for each feature based on all points not in specific search radius. Also with below code (<a href=\"https://gis.stackexc... | How to measure mean distance in search radius by PyQGIS? | gis | 2017-06-22T19:28:59.967 |
[
{
"message": "I just started to code in Python and have a problem with this code. I am trying to verify a field type, and after that, if the value returns false, add a new field and calculate. The problem is: every time I run the script a new field is added even if the condition is True. How can I solve this?<p... | Check Field Type and After Add a New Field | gis | 2017-06-23T01:42:54.917 |
[
{
"message": "I'm doing my raster calculator in Qgis, I'm stuck in the moment how to link my listWidget with textEditAn example like this is done in a raster calculator qgis<a href=\"https://i.stack.imgur.com/EL0nc.jpg\" rel=\"nofollow noreferrer\">I want also listWidget Raster Chanel associate with expression ... | Pressing for example on listWidget that it appeared in TextEdit? | gis | 2017-06-23T06:51:20.577 |
[
{
"message": "I am trying to write function in QGIS via function editor and the problem is to call QGIS built-in functions e.g. azimuth, centroid... etc. When I run my script, I get <pre><code>'global name 'azimuth' is not defined'. </code></pre>The same problem I got while I'm not specified module 'math' to fu... | Calling QGIS functions via Function Editor? | gis | 2017-06-23T13:06:02.310 |
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