An arrangement of quantities or symbols in rows and columns; a matrix
0
votes
0answers
20 views
Agent Analyst - How to reduce memory use during many, many loops?
I am currently using the Agent Analyst adaptation of Repast within the ArcGIS framework.
The model I've built is capable of doing what I'd like (ie. randomly generating biologically-sensible ...
0
votes
1answer
48 views
Filter on a array of value in OpenLayers
I'm running into an issue.
I have an array of value coming from a JSON POST.
After retrieving these values and storing them into a var, I need to filter an OpenLayers layer with this values.
I'm ...
0
votes
0answers
21 views
Installing GarminCustomMap: “missing _gdal_array module” error
I've used the GarminCustomMap plugin in QGIS 1.8 without troubles. But now, with QGIS 2.0, when I try to install it, I get the following message "missing _gdal_array module". Any idea how to fix this?
...
0
votes
0answers
34 views
Skimage graph route to multiple destinations
I want to route through an array with skimage.graph.route_through_array. I have one start point and multiple destination points. I am wondering if it is possible to insert the multiple destination ...
1
vote
3answers
296 views
Is it possible to open rasters as array in NumPy without using another library?
I know that it is possible to open a raster as an array in NumPy using GDAL, but I want to skip GDAL and use NumPy only, as it is cooler handling rasters with NumPy as matrices.
There is a similar ...
10
votes
3answers
230 views
How to convert LAS file to numpy array?
I have begun learning how to manipulate LAS data in python and wanted to see how others handle LAS files. I would like to read the points (I am using a numpy array), and filter out classes 1 and 2 ...
0
votes
1answer
50 views
Server Object Extension MultiPoint Input [closed]
I have soe which accepts {x:-112,y:35} as input parameter.
how can I modify the soe code so that I can pass more than one point as my input parameters like
{x:-112,y:35},{x:-113,36},{x:-113.5,y:34} ...
0
votes
0answers
165 views
OpenLayers LineString: Not displaying the line (array of points)
I'm perplexed as to why tail_path is not drawing the line (can't see anything on the map) but the alert seems to be returning the correct data.
var path_travelled = new Array();
var path = ...
2
votes
0answers
167 views
Finding coordinates from a nested grid as a numpy array
So this is a pretty basic question, but I'm trying to figure it out. I've written a script that allows a user to read in a raster and provide a cell resolution, and outputs the amount of cells ...
1
vote
1answer
318 views
Refresh map after removing marker from array
I have a map an arrays of markers. This code:
function RemoveRedMarker(siteID) {
for (var x in arrRedMarkers) {
if (arrRedMarkers[x].SiteID == siteID) {
...
0
votes
1answer
65 views
Can I view a Postgis Geometry Array in QGIS?
I have got an array of geometry as a column in postgis database. Is it possible to view the data (even the nth element?) in qgis?
1
vote
2answers
81 views
Is it possible to export a GeoJSON with an array field from a joined layer?
I'm using QGIS to 1) load a shapefile, 2) join the shapefile data with a CSV-file and finally 3) exporting the layer as GeoJSON. Hence, I end up with something like this, where the properties object ...
2
votes
2answers
143 views
How do I sort a geoJSON feature collection alphabetically by a property value?
I am trying to sort the objects in a geoJSON FeatureCollection alphabetically by the values of one of their properties. How do I get to the nested object properties with JavaScript? I have tried using ...
2
votes
1answer
456 views
How to get polygons from PostGIS table to PHP array best?
Currently I fetch polygons from a database table using ST_AsText(). The results are in text format, like the following.
POLYGON((84 104,212 48,321 122,243 179,275 238,131 240,84 104))
I am not ...
10
votes
2answers
1k views
Gdal Dataset.ReadAsArray() crashes Python
I am using Python 2.6.5 (32bit) with Numpy 1.3 and Gdal 1.9.1 installed on Windows 7 64bit. I am trying to read an 800 MB Imagine (.img) raster dataset into a Numpy array to do some raster algebra, ...
0
votes
1answer
80 views
trying to create array reader for feature fields
I am trying to create a functionality that creates array data for any layer that user selects. Now I am able to get all the data in the feature layer that the user selects but I am having some trouble ...
2
votes
1answer
199 views
Create Array From Selected Features Based on the Order in Which They Were Selected
I need to create an array of features from a selection based on the order in which they were selected.
As in: I select feature 5,2,3,4. I need to have an array so I can apply attributes (with python) ...
3
votes
3answers
476 views
Convert cursor output to list of geometries
I want to convert all the geometries returned by search cursor to a list.
import math
import arcpy
from arcpy import env
env.workspace = r"C:\GIS Data\GIS data_for Maeenul vai"
desc = ...
