An arrangement of quantities, symbols or objects in rows and columns; a matrix

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2
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363 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 ...
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101 views

Using gdal ReadAsArray or Arcpy.RasterToNumPyArray on python 2.6 32bit without it crashing

I am trying to run ReadAsArray on an entire raster and on a single band, python will crash without an error message when trying to do either. Is there a way I can create a 3d array without having to ...
1
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0answers
89 views

How to count the number of coordinates within x meters grouping by distinct ids?

I have a table "items" of about 1 million rows and 40.000 distinct ids like the following: idx | id | point | lat | lon | the_geom 1 | 1 | 76 | 51.463388 | -0.16869856 | 0101000020E... 2 | 1 | 53 | ...
0
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0answers
15 views

Open Layers 3 Dynamically or Batch Add Layers from user folder

I would like to dynamically load all layers (kml, for instance) from a user's folder to a group map. ...This likely requires an iteration that searches the folder and adds the layers to the users' ...
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40 views

Adding Array of strings in File geodatabase feature-class' field

I need to include array type in file geodatabase/shapefile field's content so that when i expose it as a map service, i can get array instead of string or integer. e.g., i got fields: OBJECTID, ...
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46 views

Python error in array declaration

I am getting a error as follows File "C:\Program Files (x86)\ArcGIS\Desktop10.3\ArcPy\arcpy__init__.py", line 2292, in NumPyArrayToRaster return _NumPyArrayToRaster(*args, **kwargs) ValueError: ...
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36 views

Create RasterDataSet from 2d array

How i can create RasterDataset using a 2D double array : double[][] pixels OR float[][] i tried tow ways using IRasterDataset 1- IPixelBlock outBlock = outRawPixel.createPixelBlock(pnt); ...
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54 views

Routes through centroids and array functions

I have a table stopcentroids4 like in figure with the following fields: gid, routes, geom and i want to draw a line for each route that runs through centroids. In my code there is a mistake. ...
0
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105 views

Array to Feature Class and XYZ to Table Issues

I am trying export vertices of a line to a point feature class using the code below. I am using ArcGIS 10.2.2 and do not have access to Spatial, 3D, or Network analyst. I used ET GeoWizards to export ...
0
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0answers
115 views

finding length of a custom type array in mapbasic

Hello I am just getting started with MapBasic and I have run in to some trouble trying to count the items in a custom type i have tried accomplishing this by running a loop until an error occur. ...
0
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381 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 = ...