0
votes
1answer
5 views

Attempting to “merge” 3 polygon layers together, not sure if merge is correct

I have three separate polygon layers. Some of the sections in the different layers overlap. I want to "merge" all three layers together and create one layer that is representative of the entire area ...
0
votes
0answers
9 views

QGIS MSSQL on OSX

Could someone please help me or point me to the right resource with my Question. I have an OSX machine, with QGis 2.12.1, and a windows instance with MSSQL running on AWS. For the life of me I cannot ...
-5
votes
1answer
24 views

Im new in the gis world, i want to make a project but i need advice [on hold]

i want to make a webgis app. I need to add the following: Admin/limited user acccess I have a list of marks for the map and i should be able to filter this marks by attributes app should make simple ...
0
votes
1answer
9 views

Toggle Graphic Element inside ArcMap's Layout View using Arcpy

I am trying to toggle unwanted graphic elements inside of ArcMap's layout view before exporting them as a pdf. I have no problem reading the correct graphic element inside the layout view but I cannot ...
0
votes
0answers
12 views

QGIS “Raster->Georeference” menu item not showing up

I am using QGIS 2.12.0 Lyon. I have installed a plug-in called "Georeferencer GDAL" and the version of that plug-in is 3.1.9 . [I am working on a Mac which is running OS X Yosemite 10.10.5.] I am ...
0
votes
0answers
11 views

How to apply Melt Area Detection Index to MODIS imagery?

I am working with some MODIS imagery for a project (I'm relatively new to remote sensing) using MOD09GA, and hoping to apply a melt area detection index (MADI) to images to calculate melt day length ...
0
votes
0answers
7 views

How can I update a csv-file in cartoDB?

How can I update a csv-file in cartoDB? Not as a regular task, just when I discover an error in the data. Currently I need to delete the file and reestablish the whole map.
1
vote
1answer
31 views

Default PostGIS type of geometry in SELECT

Is there an option in PostGIS (in query or table option) to set the return type of a Geometry? I'm using this query: select * from "locations" where "locations"."id" = 2 limit 1 And that will ...
0
votes
0answers
8 views

Unable to generate tiles using gdal2tiles.py for a single band gray image

I am using and playing around with Cesium at the moment, and I am enjoying the functionality so far. I am trying to provide my own imagery to Cesium with the TMS imagery provider: imageryProvider: ...
0
votes
0answers
10 views

Creating multi-row toolbar in ArcGIS Engine?

I am using ArcGIS Engine 10.1 and Visual Studio 2010 I created a MapControl App, (New Project>Visual C#> ArcGIS>Extending ArcObjects > MapControl Application) and added a toolbar (In MainForm and ...
0
votes
1answer
21 views

What are the units of the QGIS roughness tool results?

When I estimate Roughness, using QGIS [Raster > Analysis > DEM (Terrain models)], what is the unit of the values I get?
1
vote
1answer
11 views

Error on join in ogr2ogr

I am doing an ogr2ogr process where i will be making a join between two tables, imported as shapefiles and .csv to join on a column with idential attributes. The code i've made so far looks like ...
0
votes
0answers
7 views

Linking Mapinfo polygon to MS Access DBMS records?

Does anyone know of simple way or bit of code to link a MS ACCESS DBMS point to an associated polygon, so that spatial attributes of the polygon can be recorded into the DBMS fields. I am a user not ...
0
votes
0answers
16 views

Clipping GeoTIFF file by GeoJSON?

What is the best way to clip geotiff file by geojson? 1) Make a OGR file (e.g. shapefile) .shp from .geofile like this: { "type": "Feature", "properties": { "id": 1 }, "geometry": { "...
0
votes
0answers
6 views

Add neighbouring values as a data field

How can I add data based on neighbouring values? If have a shapefile, dividing the country into different areas. I have population data for each area. I would like to add new fields to my data, ...
0
votes
0answers
7 views

Spatially joining census tracts and nearby points to calculate total number within given distance [on hold]

I am using data on Pennsylvania census tracts and oil and gas well locations. With this data I would like to calculate the average number of wells within a short distance of a census tract of interest....
-1
votes
0answers
18 views

Auto Vectorization of Raster Maps [on hold]

I'm trying to analyze the various softwares which are used for auto vectorization (auto digitizing) of raster data. I wanted to use the ArcScan extension of ArcMap. I just wanted to seek any ...
0
votes
2answers
19 views

Copying feature from one feature class to another without creating new feature class?

i need to copy a line feature from a line feature class to another existing feature class without creating a new feature class. As copy feature tool creates the copies feature in a new feature class ...
0
votes
0answers
14 views

relating land cover raster to vector data

I have a land cover raster that covers different land cover/uses in europe to 100m clarity and a seperate xls legend file. I want to relate the land cover to a vector file of numerous archaeological ...
0
votes
0answers
9 views

Variogram using R

I am trying to calculate a variogram for a raster dataset (.h5) using R. I have imported all the required libraries but trying to import the data itself keeps giving me a "not found" error. Anyone ...
0
votes
1answer
18 views

Choosing data type to use for input as feature class or shapefile in Python script tool using ArcPy?

I am writing a Python script tool within a toolbox with *.tbx extension. I need to make the input parameter flexible (feature class or shape file) , so which data type I should select for this ...
0
votes
1answer
9 views

Display Popup from postgis db over WMS layer file using leaflets

i want to display popup information over WMS service file that i published from geoserver and using it Leaflets. Below is the picture for illustration. Now i just want when user click any polygon ...
1
vote
1answer
41 views

Avoiding multiple elif statements in Python parser for ArcGIS label expressions?

My code for labels look like this: def FindLabel ( [NAME_GEO] ): if [NAME_GEO]=="Tbilisi" : return "<BOL><FNT size ='14'>" + [NAME_GEO] + "</FNT></BOL>" elif [...
0
votes
0answers
3 views

Error while using methods in mapbasic

I am using a .dll file methods in mapbasic, but it shows error- declare method openmultiplefilesdlg Class "mbextensions",lib "mbextensiondlgs.dll"(declaration variable) as string 1.found [method] ...
0
votes
2answers
10 views

Syntax to POST query to Soil Data Access Web Service

I want to query the SSURGO data through the "post.rest" service described here: http://sdmdataaccess.nrcs.usda.gov/WebServiceHelp.aspx#PostRest The way I'm reading the documentation, I think this ...
1
vote
0answers
11 views

Importing submodule with python for QGIS?

So I am probably missing something really obvious here, but for some reason, I can't import submodules in my python plugin. This is the general structure of my plugin: ├── __init__.py ├── metadata....
0
votes
0answers
9 views

Calculating station point data from gridded precipitation data using ArcGIS for Desktop? [on hold]

I have a problem to convert my grid precipitation data to surrounding 4 rainfall stations points. I have 90 years gridded precipitation data from a climate model. My problem is that i have a basin ...
0
votes
0answers
14 views

Maximum likelihood classification- changing class colour with every layer

I created a signature file, where I defined 4 different classes, which I named and coloured specifically. When I try to use the maximum likelihood classification tool for other layers, the classes ...
0
votes
0answers
4 views

ArcPad Autopopulate II [duplicate]

I’m still trying to capture data from a separate source to auto-populate a field in a point layer in ArcPad. The name of the point layer is GPS. I am trying to retrieve the “SITUS” address from a ...
1
vote
0answers
6 views

Embed a map or OverviewMap in an InfoWindow/Popup

Our page has a main map area with sidebar widgets that trigger different functionality. The widget I'm working with at the moment is going to be annotating points on the map with details including ...
0
votes
1answer
17 views

Label orientation in Mapbox Studio or Mapbox GL JS

Is it possible to make a label orientation a function of the shape of the polygon it is labeling? I imagine it's possible with Mapbox GL JS with https://www.mapbox.com/mapbox-gl-style-spec/#layout-...
2
votes
2answers
72 views

Is there an automatic way to create a diverging colour scale centered around zero?

I'm trying to plot a map of the residuals of a linear model. My residuals centre around zero and can obviously go in either direction. Is there an easy way to apply a graduated colour scale to these ...
0
votes
0answers
23 views

calculate latitude and longitude from a point with distance and azimuth [on hold]

I'm working on a project where I have a starting latitude/longitude. I have calculated the azimuth and have a distance. I am trying to solve the ending point, but the math is comfortably beyond me ...
0
votes
0answers
10 views

Provider feature filter causes QGIS rendering to stop

I'm running QGIS 2.14.0 Essen on OSX 10.11.5. I would like to create a simple thematic map showing a subset of points over a basemap with state and county boundaries. I used an IN query in the '...
1
vote
2answers
18 views

Joining Excel tables to data attribute in ArcMap?

I am trying to join an Excel table to my parcel attribute table in ArcMap. I have run a validation and all checks out except it says there are no matches. What would cause this?
2
votes
1answer
13 views

ESRI Javascript - Dynamically Create Points from Non Spatialized JSON Using Lat/Longs

I am working on application that needs to make use of a non spatial data set. The data is maintained by the group responsible for the installation of the asset item and thus it makes sense to pull ...
1
vote
1answer
41 views

Labeling every feature using QGIS?

I'm working on a wall map that needs to include labels for EVERY street and address range. I recognize that I will have to do a lot of editing to make it work, but I can't even get QGIS to put the ...
0
votes
0answers
3 views

Is there a way to represent just the “data” footprint in a tile index?

Is there an easy way to get just the "data" footprint for a raster. I have 3 DEMs and a tile layer. I'll be using the tile layer for referencing tiles of contours and ultimately I want to flag tiles ...
0
votes
0answers
9 views

Batch importing multiple shapefiles to dataset to overwrite feature classes without changing names in ModelBuilder?

I'm trying to import (20-30 seperate) purchased asset shapefile updates from a 3rd party into my dataset that contains the same exact names using model builder. In other words, I DON'T want the names ...
1
vote
1answer
3 views

How to specify (cross-browser) mouse pointer sets on leaflet control?

Leaflet custom controls might be interactive, when the user can use the mouse on them to perform an action, or non-interactive, when they are used only to show information. This should affect the ...
0
votes
0answers
5 views

qGIS 2.14.3 composer 'Add Map' fails; loads a blank map though CRS is correct and on-the-fly is off

OS X El Capitan. qGIS 2.14.3 - Essen I'm unable to 'add map' in composer. When I do try to add the map i simply get a red, empty box and the item properties dialog box is completely blank. I can, ...
1
vote
0answers
16 views

How to set up future-proof line labels for data that is regularly updated?

I have a layer that I have processed heavily in FME before using it in QGIS. In the future I will have to reprocess it periodically when the source data is updated. It's a municipal street layer, ...
0
votes
0answers
5 views

Plotting attributes adjacent in GRASS?

How can I get an attribute (in this case a well api number) to plot adjacent to the well's symbol on my map. I am new to Grass and running Grass 7.
0
votes
1answer
16 views

Assigning road road segments to single line file?

I am working on a map of traffic data. How can I join my excel spreadsheet which has traffic data based on segments of a road to the shapefiles where each road is a single line file? Do I have to ...
0
votes
0answers
7 views

gdalwarp fails based on output filename? does it have to do with my using -t_srs?

I am so confused by what is going on with my gdal warp. From my terminal I can enter a command for it: $gdalwarp -t_srs '+proj=ortho +datum=WGS84' test_imagery/Maui/OBS_IMAG.nitf testout3.tif ...
0
votes
1answer
13 views

Dynamically move map canvas and main window using PyQGIS

I am trying to create plugin that will open new window with some layer, Dynamically "pan" my window, when main window is pan. So boundingbox coordinates should be the same in both windows. I need new ...
2
votes
1answer
24 views

Locking panels in QGIS

I am new to QGIS. I have set up several desktops with QGIS to be used by mostly GIS novices in our agency. One of the problems I have encountered is that they accidentally close off one or another of ...

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