1
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0answers
24 views

Geometric quality of orthophotos

I have a lot of historical orthophotos, like the year 1950 of a region I have also of the same region the orthophotos of more recent years such as 2012 The question is how to compare and quantifying ...
1
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0answers
91 views

In Mapbox Studio how do I make an image for a marker be 400 pixels without getting clipped off?

For Mapbox Studio, I've prepared this Squid drawing I'm going to put in a body of water, similar to the ships in the 'Pirates Return' map. I have sizes of the drawing in 100,200, and 400 pixels. ...
1
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0answers
87 views

Merge zip code based polygons to create sales territories

I have access the full data set of the KML file shown here: http://www.maptechnica.com/downloads/samples/mt_2014a_kml_us_zcta5_sample.tar.gz Here's what it basically looks like: ...
1
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0answers
84 views

How to do a flood simulation without flooding the whole area and covering surface structures (with DEM)?

I have a high resolution DEM and want to do a flood simulation starting at a river. My hope is that the water runs into historical (now dry) river channels (in which I'm interested in) at first and ...
1
vote
0answers
38 views

Converting GML to Geodatabase format by using Productivity Suite software

I am using ArcGIS desktop 10.2 version and would like to import MasterMap Integrated Transport Network from Digimap to ArcGIS, So I was following the steps: 1 Install Productivity Suites v 3.4.1 2 ...
1
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0answers
200 views

“All the inputs are not current” after Precondition = false in Model Builder

I am using an Iterator to Iterate through a list of Strings for Feature Selection/Aggregation/Count. There is the possibility that no Features are aggregated. In this case, I want the iterator to go ...
1
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0answers
24 views

How to define title, description and color in leaflet Draw

I am trying to create a participatory mapping site where users can draw polygons using Leaflet draw. Just to know how can i create a pop window where users can define a title, description and color ...
1
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0answers
36 views

Selecting elements from network with shortest path in QGIS?

I have a network of vector elements (let´s say 70 elements) that are connected in each node. Actually, it is a pipe network built with the help of GHydraulics ...
1
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0answers
39 views

WPS Process JTS:dimension

I'm simply trying to call a WPS process " JTS:dimension ". Code for executing this process is as shown below. I am able to configure this process but not execute it. var map = new ...
1
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0answers
214 views

Can I put a button that automatically inputs GPS coordinates into a google form? (or other spreadsheet populator)

I am currently creating a Google Form and part of the questionnaire requires the user's current GPS location. Is it possible for a button to be able to do this and automatically populate the field? Or ...
1
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0answers
53 views

How to reach the geometry (polygon, polyline) of a dxf in python-ogr module

this might be a basic question, but I am rather new in ogr. I wish to collect all lines from the dxf file and create their boundary. I loaded the layers (ExecuteSQL( "SELECT DISTINCT Layer FROM ...
1
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0answers
156 views

Leaflet update getcenter coordinates

I am bringing in leaflet routing control into my map and I would like to have the route icons show up in the center of the current view. using the code below I can get the icons to show up at the ...
1
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0answers
76 views

Maintaining same number of digits in Excel file when converting to table in ArcGIS for Desktop?

I have two fields containing lat and long values which are precise up to 8 digits. When I use the excel to table tool, Arc removes the last two digits in both fields leaving me with lat and long ...
1
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0answers
85 views

Using processing using other output (result from another algorithm) as input

I have a problem. I am developing a standalone app in python and I need to use processing algorithms. I was able to use one algorithm without erros but I need to run other processing algorithm which ...
1
vote
0answers
70 views

Issues installing GDAL with PostgreSQL

I'm trying to install gdal-1.11.0 on CentOS 6 machine. Following the instructions, this is my config ./configure --prefix /usr/local --with-fgdb=/usr/local/FileGDB_API ...
1
vote
0answers
34 views

Interactive labeling in World Wind SDK?

Is it possible to implement interactive labels in World Wind SDK. In API there is no labeling management interface for objects. Is there any usefull library that adds labeling mechanism to World Wind ...
1
vote
0answers
45 views

Generate layers based on feature values

First of all, I am very new to the GIS world, so bear with me if the question is stupid. I am using ArcGIS and here's what I try to accomplish: I have a feature class (let's call it Areas) storing ...
1
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0answers
163 views

What are the Differences Between TMS, XYZ & WMTS?

There are currently three different ways of Serving out Tiles: TMS WMTS XYZ I do know that XYZ is now the most popular one, and is used by services like Google, Mapbox, OSM and many others. What ...
1
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0answers
82 views

QGIS procedure for Multidirectional, oblique-weighted, shaded-relief?

Is QGIS capable of the multidirectional, oblique-weighted,shaded-relief method described at http://pubs.usgs.gov/of/1992/of92-422/of92-422.pdf ? If so, what are the steps necessary in QGIS to ...
1
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0answers
65 views

ArcMap addin well-known folder not saved in mxd

We have a mix of Win7 and Win8 computers, with ArcGis 10.2.1 On the Win7 computers, under Add-In Manager > Options tab, we can add a well-known folder to the box "Search for additional Add-Ins in ...
1
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0answers
155 views

Custom QGIS 2.6 map tool - mouse click and release issue

I have create a custom map tool for QGIS 2.6, implementing a canvasReleaseEvent and canvasPressEvent. I can't though get the signals to work on one single mouseclick (I have to click twice). My map ...
1
vote
0answers
74 views

Limit Nominatim results tp specific country

I want to limit the search in Nominatim to a specific country and was trying this code: mapPanel = new GeoExt.MapPanel({ border: true, region: "center", map: map, zoom: 7, ...
1
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0answers
26 views

How to rotate a feature in openalyers 3

I cannot find any api to rotate a feature / geometry in openlayers 3. How do I rotate a polygon in openlayers 3?
1
vote
0answers
75 views

Eliminate in Arcpy

I am attempting to move away from Coverages. One of the tools we have did a great job of eliminating slivers from our datasets based on hard and soft boundaries for elimination rulesets; howver, it is ...
1
vote
0answers
57 views

Assigning score to raster based on cell overlap with other raster and field value

I have a set of rasters that I've assigned scores to individually (scored based predominantly on values of other fields). The scoring scale is the same for all rasters, but the factors that determine ...
1
vote
0answers
64 views

Creating Automated Upload Script

I have a bit of a complex scenario that I'm unsure how to put together into one model or script file. What I'm doing is creating service definition files then uploading these SD files to a server. ...
1
vote
0answers
23 views

Is there a standard for determining the accuracy of a polygon interpolation technique?

I'm looking into polygon interpolation, and was curious if there are any standards for determining the accuracy of polygon interpolation techniques. I've been looking through papers and lecturers ...
1
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0answers
58 views

Displaying buffer around feature using population values in ArcGIS for Desktop?

I am working on a project that is about park accessibility. I wanted to display a buffer from a park that shows potentially 3 acres/3000 population. I am using Census tract data and I have a shape ...
1
vote
0answers
28 views

Select a polygon which is just partly member of another polygon with its area of the other polygon

I need to generate random points within geometries, which works quite good, but there are some small errors. Take the picture below. There are some greenish and redish Polygons(?!) which do not have ...
1
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0answers
27 views

Sort Field in Pie Charts

I'm working on a class project where we make a pie chart out of an attribute table. The attributes are geologic layers (UNITNAME), and the area they occupy (area_pct). In the "Create Graph Wizard", ...
1
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0answers
58 views

gdal_translate- limit memory usage

I am using gdal_translate to clip raster data (using -srcwin and -projwin). This works fine for me until I'm trying to run some concurrent processes of this command. In this case I get random error ...
1
vote
0answers
29 views

combine multiple geojsons

I have several geojsons which contain polygons. But the polygons are reaching over other geojsons. When I import them into lets say Qgis, the polygons, which are distributed among several geojsons are ...
1
vote
0answers
70 views

Geoserver WFS 2.0 CSV Output Multiple Features/typeNames

I'm setting up an export function so that users may download data from a Geoserver WFS 2.0 service in a variety of the supported formats. The service has multiple FeatureTypes which should be ...
1
vote
0answers
44 views

QGis measure tool does not continue to measure within point symbol

We are using QGIS more and more, however, today a colleague noticed something strange when using the measure line tool. We have point features and different symbols of different sizes and colors are ...
1
vote
0answers
90 views

Using Tabulate Area 2 update for ArcGIS

I am trying to use the "Tabulate Area 2" tool in the following update: http://blogs.esri.com/esri/arcgis/2013/11/26/new-spatial-analyst-supplemental-tools-v1-3/ I have overlapping polygons in which ...
1
vote
0answers
40 views

Manifold GIS Scripting/Queries — query a web page and scrape page source?

I'm using Manifold v8.0 to process some data. The process involves some scripting and querying, but one step currently requires me to go to a website, enter some data into a form, read the results of ...
1
vote
0answers
31 views

How to show features in Layers panel in QGis?

I'm new to Q-Gis, so forgive me if that's an obvious question. How can I see the features in Layers panel in QGis in a nestef form? Thanks! Dani
1
vote
0answers
114 views

Gdal in ipython

i am trying to run GDAL in Ipython Notebook but i don't get it. I did conda install GDAL and it was aparently ok, but when i try to do the import i get this: ImportError ...
1
vote
0answers
53 views

Ogr Python API: set null values in feature

Im trying to convert OGR geodata from one driver to another, like the command line tool ogr2ogr do, but using the python API. My problem is, that the NULL values in the input data are converted as ...
1
vote
0answers
54 views

How to print CJK characters in the title using ArcGIS javascript api?

I am trying to print Chinese characters title using ArcGIS javascript (3.10); however, the characters becomes a square block. I am able to see the characters in the JSON passed to the print task but ...
1
vote
0answers
54 views

Longest Common Subsequence for trajectory matching in Python

Is there any fast implementation of the Longest Common Subsequence algorithm for trajectory matching in Python? Ideally it would work with trajectories of different length in 2d spaces.
1
vote
0answers
39 views

Connect two contour line with calculated line lenght

Is it possible to make plugin for qgis like PEGGER for arcview 3.2? Problem is, how to make path over contour lines with a grade in percent Formula is: K= e*100/G*M ; K=10*100/0.08*10000=1.25m K- ...
1
vote
0answers
83 views

Calculating vector area in QGIS

I have calculated a viewshed (ZVI) in OpenWind and opened the raster in QGIS I have then converted the raster to a vector When I open the attribute table there are 4682 rows (features) and there is ...
1
vote
0answers
467 views

Waiting on AJAX result in main JS function

So .... my main init()Javascript function has these 3 lines: sarea = GetArea(Uname,UIDfield,Table, document.getElementById("Source").value); darea = GetArea(Uname,UIDfield,Table, ...
1
vote
0answers
13 views

Will WMTS clients accept redirect (code 307) responses for getTile operations?

We have all of our tiles available via AWS cloudfront. Cloudfront provides local caches of data, to speed up requests from geographically dispersed clients. WMTS gettile operations typically return ...
1
vote
0answers
75 views

“addItem” in Portal for ArcGIS

I'm trying to upload a .pdf file in the content of my Portal for ArcGIS with a python script. I'm trying with the "additem" REST operation. My code is as follows: import urllib import urllib2 import ...
1
vote
0answers
45 views

Filtering for slope using kernel size in ArcGIS Desktop?

I have problem in smoothing the slope derived from digital elevation model. I want to do filter for the slope <5 degree in 7 X 7 kernel size, 5-20 degree in 5X5 kernel and >20 degree slope in 3X3 ...
1
vote
0answers
32 views

Spatial and property search

We have a lot of polygons(some of them contain holes) and there are also a lot of points inside different polygon, these data are processed as ESRI geodatabase format. Now we have to do some spatial ...
1
vote
0answers
103 views

Geoserver WFS 2.0 GetFeature query with wildcard for typeNames/featureTypes

Just looking through Geoserver docs trying to find a way to construct a WFS 2.0 query to get all features within a BBOX - regardless of feature type. The service I'm consuming will be changing over ...
1
vote
0answers
69 views

Overwriting layers in a geodatabase maintaining its position in a feature class list

I'm working with ArcGIS 10. I work on ecological habitat mapping. I have some features classes inside a geodatabase which represent years of data on a specific area. Each has a reliability field with ...

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