0
votes
0answers
29 views

Calculating Setbacks of Parcel using ArcGIS for Desktop?

I am looking for any guidance on how to calculate setbacks for a few parcels. I am using ArcGIS 10.3 I have a shapefile of a few land parcel. They have columns of Side_Setback, Front_Setback, and ...
0
votes
1answer
297 views

Starting Tile Sever Rendering Error: OSMBright.xml

I was following the entire process found here: https://switch2osm.org/serving-tiles/manually-building-a-tile-server-14-04/ I have an error though on Testing your tileserver part where i run the ...
0
votes
0answers
2 views

open street map doesn't show in map canvas in QGIS

I tried to download data via open street map but it didn't appear in map canvas. Also, nothing shown in layers panel. Can someone help me? Thanks
0
votes
2answers
128 views

GUID field error when trying to Create a Local Copy

I am hosting our tree inventory data ArcGIS Online so that our Urban Forester can do tree inspections and create work recommendations to field maintenance staff. The database consists of multiple ...
0
votes
0answers
6 views

Leaflet/GeoJSON - Changing the default blue marker to other .png files

How can I use different .png files to symbolize my GeoJSON data? I have one property in my GeoJSON file that I would like to symbolize the data by (feature.properties.issue). For each different issue ...
1
vote
2answers
30 views

Snap polygon to grid (lat/lon)

I'm trying to code this in Leaflet, but the key is finding the formula to do this. Give a polygon (filled in the image), how can I expand it to fit a grid (lat/lon, outer line in image) ? This is ...
1
vote
1answer
184 views

Legend ArcGIS Javascript does not recognize Legend from ArcGIS for server 10.2.2

I have created maps in ArcGIS for desktop and published them to ArcGIS for server 10.2.2. Because of performance issues I have created a group layer of the same map with different levels of details. ...
4
votes
1answer
30 views

Changing class breaks in ArcGIS without resetting whole symbology?

For the purposes of this map, I have a raster with very specific class breaks with custom colors for each class. Sometimes for various reasons the class breaks have to be adjusted slightly based on ...
2
votes
1answer
29 views

Building predictive maps of response variables in R

I am a novice in spatial statistics in R. So, I am looking for some advises. In particular, I would like to create a predictive map of capture success from a generalized linear mixed-effects model ...
0
votes
0answers
10 views

QgsSpatialIndex partial or complete overlap

I'm working on adding some functonality to a QGIS plugin. It currently uses a QgsSpatialIndex to efficiently compute whether the features of a vector layer intersect (potentially millions) of ...
2
votes
1answer
251 views

Apache Tomcat 8 and Geoexplorer

I have Apache Tomcat 8.0 and GeoServer 2.6 on Windows 7. I have placed GeoExplorer folder into webbapp (The files web.xml and weblogic are included) as described, but it does not work! Apache ...
6
votes
2answers
219 views

ArcGIS Server: Limit creation of cache tiles to certain areas by providing a feature class

I am publishing a map service to ArcGIS Server 10.0. I cannot succeed to limit the creation of tiles to certain areas only, instead of creating them for the entire map. According to this help document ...
0
votes
1answer
40 views

How to create a circle in openlayers 3?

I have tried to create a circle of desired range using following code but not working. Please guide me. function createBuffer(lat, lon, range) { var style = new ol.style.Style({ fill : new ...
2
votes
0answers
8 views

Setting up Geoprocessing Model with ArcGIS for Utilities CCTV Processor?

I have tried to find any already available data on this issue but have come up empty handed. I am using ArcMap 10.3.1 and ArcSDE as my backend, and I intend to use AGO web maps as my front end. I ...
0
votes
2answers
41 views

Failure of the code calling the function “rasterize” in R: NAs or no slots

I have some problems to convert a shapefile into a raster. I used the function rasterize (package raster) but all raster values are equal to NA. Following the answers to this question rasterize ...
3
votes
1answer
26 views

Using Feature Dataset with ReplaceDataSource gives ValueError: Layer: Unexpected error?

I'm attempting to replace the data source of a unsourced layer with a mxd. The issue I'm having is that the Featureclass "APPL" is contained within a Feature Dataset. When the feature class is outside ...
6
votes
3answers
2k views

Why is an extra field necessary when creating point shapefile from csv files in Python?

I have a Python script that creates a point shapefile from a csv file within a Python script. This script gives me a ValueError for the longitude field (LON) if there isn't an extra nonsensical field ...
1
vote
1answer
347 views

ValueError: Layer: Unexpected error from replaceDataSource()?

I'm trying to write a script that allows me to look through map documents and replace each layer's data source in each map document. Everything is working logically I believe, and all my loops are ...
2
votes
3answers
256 views

QGIS - Geocoding addresses to coordinates

I've got an Excel file which includes known locations with their exact address (street, house number, city, state). This Excel file does not have a geographical column. Also, I have a .shp file inside ...
0
votes
0answers
8 views

Create matrix measuring distance from each point to every other point along polylines

I'm working on a project involving ancient trade routes. I have two datasets: 1) -Nodes (around 1000): Every node has a nodeID, lon, and lat 2) -Arcs (several hundred): contains a record for each ...
2
votes
2answers
27 views

Leaflet/HTML/GeoJSON: How to put a pop-up on a geoJSON point?

I don't have much knowledge of HTML/JS/GeoJSON, and have made a webmap from trial and error with many different tutorials. I have tried leaflet's tutorials but cannot get the desired results. I have ...
1
vote
1answer
11 views

How to remove a single marker in Mapbox?

I have a simple Marker added to map like this: var x = L.marker([50.5, 30.5]); x.addTo(map); Now how can I hide/remove x? I searched the API docs for a Marker.remove() method, but couldn't find any. ...
0
votes
0answers
8 views

Openlayers 3 GeoJson save and load

I am interested in openlayers 3, and I want to build a site. Already I can load features from variable in Geojson environment and I can draw features. But I could not write a code for saving drawn ...
0
votes
0answers
14 views

Plotting Raster in R give error

I know this is not much to go off of, but I can't seem to find the answer anywhere. I was plotting this raster image on Friday and it worked, and now when I try to plot it, I get this error. The image ...
0
votes
1answer
229 views

Merge Feature Records with Identical Parameters in Two Different Fields using ArcPy or SQL [SOLVED]

I'm trying to merge feature records based on identical parameters in two different fields using Python or SQL. I have a polygon feature class with ~800 records, that I've intersected with another ...
1
vote
1answer
44 views

Can't write decimal data into shape (shp) attribute table with Python

I am trying to create a shapefile with Python GDAL/OGR library. I add to it a real number field, but when I write into it doesn't appear as it should but rounded. I will explain better with the code: ...
0
votes
1answer
27 views

Arcpy: creating a line on an existing line based on points' coordinates

I have a point which is some meters away from an existing line: This point should be snapped to the line (to the closest part) and then, based on the points' new coordinates, a new line Feature ...
0
votes
0answers
5 views

Time slider with BCE dates in CartoDB?

I am working on adding a time slider to a CartoDB map that has BCE dates. I based my time slider off of http://bl.ocks.org/javisantana/f9b073869fdd3b696f93, and the time slider works perfectly when I ...
1
vote
1answer
68 views

Adding geoserver vector wms layers in openlayers 3

I have been trying to add my wms vector layers in openlayers 3 but it isn't working, i guess there is a problem with my script. Below is my javascript code: <script> var osmLayer = new ...
1
vote
0answers
15 views

How to match the colors of different RGB mosaic rasters?

I am beginner in QGIS. I want to classify many RGB rasters (see picture) but their colors don´t match. As you can see, the green polygon shows the same land cover class (meadow) but in each tile the ...
1
vote
0answers
16 views

Creating Fence Diagrams from Electromagnetic (EM) Conductance Survey

I am looking for some help with creating fence diagrams in GIS for Electromagnetic Conductance surveys. I have points along a line that represent sample locations with three different depths ...
0
votes
0answers
16 views

How to fix GDAL_Merge problem?

I've got a lot of modis images (MOD15A2 productos -- LAI) separated by years. Inside each year folder there are the folders with the days i.e 049 folder for DOY 049. What I've done so far is to ...
5
votes
1answer
406 views

Select and copy attributes features in ArcMap using Python add-in tool?

I'm trying to add a tool to an add-in toolbar to select features from an existing feature class and copy attributes to another feature class,from point to point. TopoHeight_Field_Name='Comment' def ...
2
votes
1answer
23 views

Find distances between points through a raster

I have a set of 79 points located overlaid on a raster that defines distance through coastal waters: each cell equals 100 metres, with NoData for coast and islands. I can use this raster to create ...
0
votes
0answers
8 views

Arcobjects Assign projection transformation to layer file in VB.net

I want to be able to transform a layer from WGS1984 to OSGB1936. I created a tool that extracts layers from several folders on our company network folders, using check boxes that user clicks. One of ...
0
votes
0answers
18 views

GPL project and ESRI JS API [on hold]

I have a project licensed under GPLv3 can i use the ESRI JS API or is this a violation of the GPL? You can look at the JS API license here Copyright ESRI JS API
0
votes
1answer
39 views

Moving file geodatabases in python without ArcPy

Please find my script below currently all i'm wanting to do is iterate through a folder and any subfolders extracting anything that is a .gdb directory + its contents to a new folder. import shutil, ...
0
votes
0answers
16 views

Geocoding using the census locator

I am trying to geocode roughly 20,000 addresses using the census locator in ArcMap. I was told that I should be able to access their locator through their server connection in ArcMap. When I connect ...
0
votes
0answers
28 views

What is the best library to use to load ESRI shapefiles into Unity 3D? [on hold]

I am supervising a project that now needs a new feature involving ESRI shapefiles which I have to load and turn into Unity data structures that would then be visualized in our Unity scene. I recently ...
0
votes
0answers
14 views

Profile graph from 3D line features in ArcGIS Online

I need to create a web application in argis online to show a profile for a selected 3D line feature. All elevation profile web apps and template I found returns DEM Z values for a selected feature. Is ...
0
votes
0answers
34 views

Run model in MXD using Python

I'm very new to python so please bear with me. I am trying to run a model that exports a .wm feature to a geodatabase feature class. The .wm file extension is for software that is used to update ...
0
votes
1answer
24 views

free/open source Western Australian Topographical data

does anyone know (or have :P) a free or open source Western Australian Topographical datasets? I have a project that involves terrain relief in Northam, ideally they want it at a scale of 1;25,000 but ...
0
votes
1answer
280 views

how to refresh a layer using openlayer

in geoserver I configured a layer containing positions that change in time (they are smart phone positions indeed). I'am able to insert fresh position in geoserver datastore (a postgis db), but I'm ...
0
votes
0answers
18 views

QGIS to tilemill export

does anyone know if there is a way to save a QGIS project in a manner that allows it or if there is a way to save a qgis project as mbtiles for use with mapbox
0
votes
0answers
13 views

Extracting zeros from numpy array and creating a new raster

The following code reads in several .tif files from an input folder, converts them to numpy arrays and adds them together. All input files are binary: inputFolder = "/home/usr/Desktop/BufferFolder/" ...
1
vote
1answer
37 views

Filling up river corridors in a DEM

I'm currently working with a DEM (10 m x 10 m resolution) that has a lot of faulty elevation values in river corridors. In order to run a hydrodynamic model I'm trying to get the following done in an ...
1
vote
0answers
6 views

Can I overlay a CartoDB visualisation on Bing Maps base?

If I am using Bing Maps as my base map, can i overlay a CartoDB visualisation (that I created earlier) on top of it? If so how do I go about doing that? The example on the cartodb site only refers to ...
2
votes
0answers
11 views

Postgis sequence in QGIS not working

I have a Multipolygon-Layer stored in a Postgis-database. The primary key field 'gid' is SERIAL. When trying to add a new polygon in QGis (LYON 2.12.1 on OSX El Capitan), the attributes form shows me: ...
0
votes
1answer
249 views

Updating cluster distance in OpenLayers 3?

I have a vector layer with clustering in OL3.4: cluster = new ol.layer.Vector({ source: new ol.source.Cluster({ distance: 20, source: some_geojson }), ...
0
votes
1answer
125 views

town, village, prefecture shapefiles for China?

I'm looking for boundary files for towns, villages and prefectures in China that are free. I've came across http://chinadataonline.org/, but they are limited. Can anyone tell me where to look?

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