0
votes
0answers
2 views

Invalid z_field for spline in ArcPy, though spline works using toolbox and same inputs?

I tried using the field name for z_field input per the link below, however, neither calling the field name or the field itself works. If I call "field" as defined in the for loop, I get invalid ...
0
votes
0answers
2 views

Using pymssql to create a table using python ArcMap 10.3

I am using ArcMap 10.3 have a my data in a geodatabase (MS SQL Server Express) and I am trying to write a python script that does a bunch of spatial and non-spatial data manipulation. I need to dump ...
0
votes
0answers
3 views

Graduated Style on edges not appearing — QGIS

I have added a layer from a PostGIS database. The layer is representative of road segments in the greater Chicago area. I have added a second layer that does not have any geometry information but ...
0
votes
0answers
8 views

develop rooftop solar radiation potential from 3d buildings model (3dm)

Need to create solar cadastre without having LIDAR data. Have 3d buildings model in .3dm (150 000+ roof surfaces, 500 000+ facade surfaces unmapped, dtm 15x15m) with a lot of multipatch geometry ...
0
votes
0answers
4 views

GeoExt action question adding action for two maps

I have a question with zoom box. Below is the geoext action code I am using action = new GeoExt.Action({ text: "Zoom In", control: new OpenLayers.Control.ZoomBox({alwaysZoom:true}), ...
1
vote
0answers
4 views

ArcGIS Split Raster tool results in black rasters

I have a rather large raster that I am trying to split into small tiles in PNG format to upload to Autodesk Infrastructure. I came across the Split Raster tool and thought it would do exactly what I ...
1
vote
1answer
10 views

In ArcPy, How to call specific columns of attribute table?

I'm trying to figure out how to spline specific columns of a shapefile attribute table, but my question is intermediate to this-- how do I select a range of columns, e.g. the 20th column to the ...
0
votes
0answers
5 views

Stopping a route using attributed length

I am working in a project where I need to run routes from several points on a route network and have them stop at a specific length. I have worked out their max distance want to use this attribute to ...
1
vote
0answers
6 views

How to calculate scale

I'm working on processing some geo-spatial raster data, JOG-A raster to be exact and know the imagery is supposed to be to a scale of 1:250000, however I would like to calculate this in code but am ...
0
votes
0answers
3 views

Openlayers Plugin

I just downloaded QGIS 2.8 and tried to download the Openlayers pLugin but it isn't installing and I don't know how to get the open source data in my map. How do I download Openlayers Plugin for Mac ...
1
vote
0answers
16 views

How do I enumerate the messages in arcpy.GetMessages()?

Messages are present in GetMessages() but it's a formatted string. I want to add some of my own newlines and alter the content on a per-message basis. How do I access the individual messages in ...
0
votes
0answers
4 views

Open Layers - maths engine to find “real” device orientation for driving?

I have a cordova "sat nav" project and there seems to be a masssive issue with regards to openlayers (or anything on cordova for that matter) : namely this. It seems relatively trivial to make a ...
0
votes
0answers
12 views

How to get the Shape.STLength() value from JSON

I'm trying to get the Shape.STLength() value from a feature returned from a query. something like var myLength = returnedJSON.features[0].attributes.Shape.STLength(); "Shape.STLength()" is ...
0
votes
0answers
13 views

Convert Zip9 to Lat-Long

I have a need to convert about 1M Zip9 records to Latitude/Longitude for mapping but cannot find anything that is granular enough in output. Is there an easy way to convert this information?
0
votes
2answers
8 views

Combine Community Layer with County Layer in ArcMap?

I have a County shapefile that I am trying to combine with an updated community or jurisdiction shapefile. I have tried Unioin, Merge, and Spatial Join, but am not getting the desired results. The end ...
0
votes
0answers
6 views

QGIS- Grouping Multiple Layers in to separate groups

I'm trying to group a large amount of layers together. They are a mix of Polygons and Points, I would like to create individual groups by the layer's name. Anyone have any ideas? I was looking to ...
0
votes
0answers
4 views

Import KML file into GeoDjango?

I'm trying to import a KML file into an existing Django database. I'd like to do this as a Django management command so it's easy to re-do. This is my Django model, nice and simple: class ...
0
votes
0answers
16 views

force QGIS-labels behind polygon areas

Is it possible to force labels behind a polygon dataset. In my case I want to put 50% transparent polygons onto areas, which are shown "inactive" on maps. Unfortunately, some feature labels are shown ...
1
vote
1answer
9 views

can i comparing landsat 7 and landsat 8 thermal band?

can i comparing landsat 7 (band 6) and landsat 8 (band 10&11) thermal band? because landsat 8 only have 100m spatial resolution, so the output looks more general or blurr than landsat 7 thermal ...
0
votes
2answers
17 views

How to extract values from raster at points with many different rasters and points

I have a folder containing 100 DEM rasters. I have a point file containing thousands of points. I need to collect raster values at all of these points. Only some of the rasters intersect with the ...
1
vote
1answer
6 views

Querying related table and displaying results in CMV Attributes Table

I'm trying to use the new Attributes and Search widget for CMV with a relationship query without success - I keep getting a growler message saying 'Search error; Sorry an error occurred and your ...
0
votes
1answer
5 views

OpenLayers not displaying GeoJSON layer with features added after the fact

I have a vector layer with a GeoJSON source layer. OpenLayers isn't showing the layer when I try to add features using the addFeatures method: myGeoJSONObject = { /* some GeoJSON */ }; editLayer ...
1
vote
0answers
16 views

Plotting Netcdf data. How to get right projection?

Maybe it's very easy for someone to fix, but I'a a new one in R, so I really need help. I/m trying to plot data containing lat, lon and variable (nmf2). The grid isn't a regular one, so there are some ...
0
votes
1answer
7 views

Fast way to check if postgis bounding box contains any points/linestrings

I have a bounding box given and want to know if this bounding box contains (or better intersects) any points or linestrings. So the query should return true if the first point/linestring was found and ...
0
votes
0answers
20 views

Speed up row-wise point in polygon with Geopandas

I have a geopandas GeoDataframe which contains some attributes and a geometry column which is filled with shapely Point(lon, lat) objects. Moreover, there is a GeoSeries which is equally indexed as ...
1
vote
3answers
57 views

How do I normalize the values in a single Field (from a table) in ArcGIS?

First of all, this is my first post, and I would like to appreciate all the useful information I have found so far on this site. Second of all, I have encountered a problem, in Field Calculator. ...
1
vote
0answers
12 views

Print a PDF with label layer visible only for printout

I have a feature layer showing nursing facilities and I have added label layer that show Facility IDs. I need labels only for the map printout, I do not want the labels on the map, because I already ...
0
votes
0answers
18 views

dxf-Export is not readable in BricsCad

With the QGIS 2.8 dxf-Export it is not possible to open these files in BricsCad (a CAD-Programm which is very similar to AutoCad). the dxf-Export from GIS 2.8 and import in BricsCad looks like!(not ...
0
votes
1answer
18 views

Specifying alternate symbology for print vs screen

Is there a way to specify an alternate symbology for print output in ArcMap (as opposed to what is currently on-screen? I am thinking along the lines of the functionality offered by CSS. For ...
0
votes
0answers
12 views

Problem with geotiff images in geoserver

I'm trying to import a geotiff file in geoserver 2.6.2. Previously, the same image were successfully imported in geoserver 2.2.5. But in 2.6.2, I get the floowing message : ...
0
votes
0answers
11 views

Using the phase 1 habitat styles?

I am utilising the phase 1 habitat styles and wanted to show 'mixed scattered trees' which is essentially a layer with two different types of green dot. I cannot figure out how to do this and also ...
0
votes
0answers
12 views

How to add new SRS/Projection/WKT to the GDAL database

I'm using GeoServer, OpenLayers(3.0) and the GDAL utilities. GeoServer has one (or more) SRS/Projections that is/are NOT present in the GDAL database of SRS/Projections. I can get the well-known ...
2
votes
2answers
18 views

Assigning values of points outside a buffer to points within a buffer

I have 10m buffers around line features and a point shapefile which has some points intersecting the buffer. I would like to take each point that falls within the buffer and assign it the value of the ...
1
vote
1answer
23 views

extracting the outline of raster imagery using GDAL

Salams I want some help regarding developing a method using GDAL to extract and represent the footprint of any raster file (or group of raster data) in a vector format... any ideas please ??
0
votes
1answer
13 views

Graphical modeler in QGIS. I can't find a model [duplicate]

I'm a doing a tutorial for QGIS and at one point I have to use 'Join attributes by location' model but I do not find it in the Graphical modeler. Does it have to be there? I have to download it from ...
0
votes
0answers
10 views

ODK Collect GPS Accuracy

Good day. Is it possible to require a minimum accuracy of the GPS widget? I know about accuracy threshold but what I need is to prevent forward swiping/finalization of the form if GPS accuracy is low. ...
0
votes
0answers
7 views

Open/Import CityGML in AutoCAD

I have a CityGML file and want to open and further process it in AutoCAD. Any suggestions for a schmoove workflow? For my specific use case, I only need the 2D coordinates of the file's ...
0
votes
0answers
14 views

how to apply a canvas 'grid' to leaflet without curvature

I'm trying to create a grid of tiles in canvas to represent some data the original data comes with UK OSEAST1m and OSNORTH1m, i'm the grouping the data up into aggregates of, say 40km (as per the ...
2
votes
0answers
29 views

Moving multiple features to snap to nearest edge

I have thousands of long rectangular polygons which I need to align to a specific/nearest edge. The screenshot below demonstrates what I need to achieve: Yellow and white dotted features need to ...
0
votes
0answers
22 views

qgis-bin.exe - System Error

I'm running QGIS 2.8 Wien on Windows 8.1. I got this error: The program can't start because qgis_core.dll is missing from your computer. Try reinstalling the program to fix this problem. I ...
1
vote
0answers
11 views

Merge multiple geojson-polygons

Lets say I have a very big image With a polygon in it: I want to polygonize this very big image with gdal polygonize. But the image is too big, so I dont have enough memory to polygonize that ...
0
votes
0answers
11 views

Load a shape file in postgresql DB with php

I am trying to load a shapefile in a postgis database using the exec() command. I have read the format I have to follow from here and I checked several similar questions from the forum. Based on the ...
0
votes
0answers
7 views

SVG as external graphics in OpenLayers

Can I use .SVG file as external graphic in Openlayers feature? I tried it, but Openlayers not showing my SVG file on map.
0
votes
1answer
21 views

QGIS distance matrix: wrong metric distance

I used the lineair distance matrix tool in QGIS 2.6 My coordination system is metric (national Dutch RD new) The results have the wrong decimals, as shown below. How can I fix this? (showing unique ...
0
votes
0answers
14 views

How to define layer in QGis like in AutoCad?

I have imported a dxf file into QGis. While the importing processes split my dxf file into three layers - Point, Linestring and Polygon, which are different from the layer in AutoCad. I found the ...
0
votes
1answer
16 views

How to specify the host in cartodb.js

We are hosting a cartodb installation ourselves which works pretty well but I can't seem to figure out how to get cartodb.js to call our installation instead of the one at cartodb.com. Reading the ...
0
votes
0answers
5 views

populate Layers Tree (TOCViewController) from dynamic MAP, when Base MAP is added

my iPad app uses esri GIS 10.2.2. i have added base map and Dynamic Map. i am showing Layers tree in dynamic Map with TOCViewController, tree with parent - child, populating if i do not add Base ...
1
vote
1answer
17 views

Create Multiple Feature Layer and Add to MXD

I am really stuck with this one and cannot seems to get the code to execute. Every time I do so, I get the error: Input Features: Dataset [u'Test1'.....] does not exist or is not supported. My guess ...
0
votes
0answers
13 views

QGIS Georefencer Failed to compute GCP transform

I am a new QGIS user. I am trying to georeference a scanned paper map. After uploading map to the georeferencing utility and assigning 12 ground control points to map and assigning a datum I get a ...
1
vote
0answers
5 views

is there a gis web engine for displaying video on terrain?

i desire to display video on a globe surface on it's geographic position context. i prefer an opensource solution for displaying the video on map elevation model in web GIS application, but could ...

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