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I have a raster that needs to be split into tiles (each tile a new raster). I have a Shape file with multiple polygons (these polygons are how I want the raster split). I have Gdal and QGIS. Any Ideas. أكثر...

I have a directory change monitor python script which monitors any changes happened in a directory, I want to trigger Arcmap auto refreshing whenever a change has been detected (eg. a new line added to a file). I tried to launch the monitor program within arcmap python command window using...

Say you have a DEM with 1 m pixel size, and a vertical uncertainty of +- 0.4 m. If you create contours from that DEM using the marching squares algorithm, what are the "error bars" of the contours? أكثر...

Is there a way to select an individual feature based on an attribute from a FeatureGroup in Leaflet? For example, when selecting a feature based on a click event, I will do something like, function myFun(e){ layer = e.target; } Is there a way to do something along the lines of...

For features in a map it is possible to stuck data from the attribute table together and get a data driven label. I try to do this for my legend labels. I want to combine values from my attribute table to get a customised label. I want a legend with rule based label entries. Rather similar to...

I'm pretty new to Python and this is my first post on this forum so I could use some help. I am currently attempting to run some code in the Field Calculator in a model in order to replace string characters (hyphen, period, space) with an underscore ('_'). Here's what I have now. def...

I previously successfully used the sample code here: How to calculate Field using part of filename in ModelBuilder? # Import standard library modules import arcpy, os, sys from arcpy import env # Allow for file overwrite arcpy.env.overwriteOutput = True # Set the workspace directory...

I have a raster with values ranging from 0 to 8991130624. This raster is actually the result of a cost distance analysis. I want to scale the raster to range from 0 to 1 and take the inverse? so that a cell with the highest cost/value (e.g. 8991130624) will now have a value of 0 while a cell...

Bonjour à tous, Je dispose d'une image Landsat avec 4 canaux et je souhaiterais faire une segmentation. J'ai à ma disposition OrfeoToolBox (via QGIS) et SAGA GIS et je sais qu'il est normalement possible de faire des segmentations avec ces deux logiciels. Mais je ne parviens pas à me... أكثر...

Dirk’s MSF Canada Drone Day is officially the first blog post I have “re-blogged”. Please read: https://smathermather.wordpress.com/2015/07/13/msf-canada-drone-day/ or better yet here: http://dirkgorissen.com/2015/07/14/msf-canada-drone-day/ I had the pleasure of co-presenting with Dirk and...

اخواني اني مسح مشروع بالتوتال بس هسه يريد تغير داتا من توتال الى (gps) لانه اريد (gis) ما هي طريقة ؟ شكرا للجواب اني اسال سوال من منتدى المساحة بس ما جاوب :) :82:

smathermather: Excellent post by Dirk Gorissen on MSF Canada Drone Day. Originally posted on Machine Doing: I recently had the honour of attending the MSF Canada AGM in Montreal to join*Ivan Gayton*and Stephen Mather*(from*Open DroneMap fame) run a drone day for the MSF logisticians. The...

The author claims that laser scanners can perform better than cameras in rain and snow which perhaps for security purposes is fine Continue reading → Click Title to Continue Reading... أكثر...

I have a suface that ranges between -10m and +10m and I would like to color the sections of the surface that are -0.5 to +0.5 as white. I have... أكثر...

I need to replace multiple words with one word in a field at one time in one script. Example in my LettersField I need to replace all the "Aa" and all the "Bb" and all the "Cc" with "Rr". I am aware of the replace fxn and I cannot use the find and replace tool - which would be MUCH easier but...

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I am currently running processing on two feature classes (points, number of points are 5000+ and 8000+ respectively) in ArcGIS 10.2 on personal geodatabase using iteration and selection by attributes/location. The size of PGDB intially is only about 2MB however after the processing finishes it...

How can I fix the error 0-d arrays can't be indexed? This message appears after the tentative to use the algorithm Qgis Zonal Statistics.Detail: the algorithm worked very well several times and then failed irreversibly. أكثر...

We will be talking a lot about virtualization at the UC is next week. A couple of announcements: Stop by the ArcGIS Desktop Island to talk about virtualization, see and use ArcGIS Pro in a VMWare Horizon View virtual machine served from the ArcGIS Desktop Virtualization Appliance. The...

الفرق بين الموقع والموضع Situation والموقع Site يحاول جغرافيو المدن إيضاح مفهومي الموضع للمدينة . ويعود الى راتزل الفضل في التفريق بينهما وموضع المدينة محدودة تقوم عليها المدينة ضمن حدودها الادارية او تلك التي تحتلها مساحتها المعمورة . اما الموقع فيمثل دراسة مساحة أوسع من ذلك تكشف عن مركز...