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Forum: Construction Questions

Post specific constructions questions in this forum.

  1. Sticky Thread Sticky: Forum for construction questions

    If you have a how-to question, please post to the Construction Questions forum. You can attach sketches to your post. Happy sketching! ...

    Started by Elizabeth DeCarli, 05-31-2011 04:56 PM
    • Replies: 0
    • Views: 3,838
    05-31-2011 04:56 PM Go to last post
  1. Measurements Based on a Defined Unit

    Another interesting tech-support question came in yesterday: "It would be extremely convenient if measurements of length could be given in terms a...

    Started by Stek, 09-30-2011 09:02 AM
    custom tool, measure, unit
    • Replies: 0
    • Views: 2,744
    09-30-2011 09:02 AM Go to last post
  2. Showing Construction Arcs

    Over the years I've received several support questions like this one: "I would like to leave the remnants of construction lines in the vicinity of an...

    Started by Stek, 11-28-2011 07:23 PM
    • Replies: 0
    • Views: 3,432
    11-28-2011 07:23 PM Go to last post
  3. Making Objects and Text Appear and Disappear

    Though you can easily hide or show objects using Hide/Show buttons, sometimes you may want objects to appear or disappear based on a calculation or...

    Started by Stek, 12-19-2011 08:00 AM
    boolean, custom tools, existence
    • Replies: 0
    • Views: 2,742
    12-19-2011 08:00 AM Go to last post
  4. Controlling Animation Speed by Slider or Parameter

    I had another very interesting question from a user two days ago that I'd like to share here. He wanted to use a slider to control the speed of an...

    Started by Stek, 01-10-2012 12:12 PM
    • Replies: 0
    • Views: 3,030
    01-10-2012 12:12 PM Go to last post
  5. Integral between two functions

    A user recently inquired, "I am teaching calculus class. Is there a way to shade regions between curves?" The answer is yes: there's a terrific set...

    Started by Stek, 02-02-2012 07:40 AM
    • Replies: 0
    • Views: 2,934
    02-02-2012 07:40 AM Go to last post
  6. Constructing an Annulus

    A participant in an online course just wrote me to ask how to construct an annulus (the region between two concentric circles). She tried...

    Started by Stek, 03-12-2012 04:45 AM
    circle annulus locus
    • Replies: 0
    • Views: 4,572
    03-12-2012 04:45 AM Go to last post
  7. Graphing Hyperbolas and Ellipses

    A user recently asked how to graph a hyperbola. Because hyperbolas and ellipses cannot be expressed explicitly as functions, they must be graphed as...

    Started by Stek, 03-27-2012 06:17 PM
    • Replies: 0
    • Views: 6,440
    03-27-2012 06:17 PM Go to last post
  8. Play Video or Audio from your Sketch

    I've just posted an example of playing video and audio from a sketch, using Link buttons. Link buttons are very flexible. In addition to taking...

    Started by Stek, 03-27-2012 06:41 PM
    audio, link buttons, media, video
    • Replies: 0
    • Views: 3,137
    03-27-2012 06:41 PM Go to last post
  9. Measurements in Graph Units

    I had a question recently about making measurements in graph units: length measurements of segments and arcs, radii of circles and arcs, and...

    Started by Stek, 04-12-2012 02:22 PM
    arcs, circles, graph units, measurements
    • Replies: 0
    • Views: 4,150
    04-12-2012 02:22 PM Go to last post
  10. Coincident Points Construction Problem

    An online course participant had a question about a rhombus construction that failed the drag test. The failure occurred because vertex C was a point...

    Started by Stek, 05-02-2012 11:32 PM
    coincident points, construction problem, drag test, rhombus
    • Replies: 0
    • Views: 2,697
    05-02-2012 11:32 PM Go to last post
  11. Displaying Slopes and Other Values as Fractions

    I recently received a tech-support question that asked ----------- Is there a way to get sketchpad to display the slope of a line or segment in...

    Started by Stek, 06-12-2012 09:23 AM
    • Replies: 0
    • Views: 4,886
    06-12-2012 09:23 AM Go to last post
  12. How can I construct an ellipse given one focus and two points on the ellipse?

    I created the attached sketch to answer your question. Here is a snapshot from the sketch that I'll refer to in my explanation below. (Click on image...

    Started by Andres, 07-23-2012 04:20 PM
    • Replies: 0
    • Views: 5,644
    07-23-2012 04:20 PM Go to last post
  13. Agreement Between Distance Units and Coordinate Units

    We had an interesting tech-support question recently: “I have segment that starts at (0,0) and ends at (0,10). Call it AC. It measures 4.45784(..)...

    Started by Stek, 08-28-2012 12:43 PM
    • Replies: 0
    • Views: 3,106
    08-28-2012 12:43 PM Go to last post
  14. Function Transformations

    We had a tech support question today: "How can I drag around the function plot without moving the grid along with it?" In Sketchpad, every...

    Started by Stek, 09-20-2012 07:05 PM
    function, translation
    • Replies: 0
    • Views: 2,288
    09-20-2012 07:05 PM Go to last post
  15. Choose a default color for the grid (and use Custom Tools for other formatting magic)

    A user had a question today: his printer prints very lightly, and the light gray grid lines are hard to see on his students' printouts. The answer...

    Started by Stek, 12-04-2012 06:24 PM
    coordinate system, custom tool, grid
    • Replies: 0
    • Views: 3,643
    12-04-2012 06:24 PM Go to last post
  16. Construction vertical arc in 3D

    Hi, I have been using perspective tool in GSP to build 3 D object. I can construct straight edges or arc lies horizontally but not arc lies...

    Started by KHOR GOT HUN, 06-03-2013 12:24 AM
    • Replies: 0
    • Views: 2,506
    06-03-2013 12:24 AM Go to last post
  17. How to make an "Erase Traces" button

    I recently received an inquiry from Nick, a high school student: "It would be very helpful to add an action button that erases all traces. ...

    Started by Scott, 09-13-2013 09:44 AM
    • Replies: 0
    • Views: 4,044
    09-13-2013 09:44 AM Go to last post
  18. Equipment manufacturing is the core business of Sany group

    Equipment manufacturing is the core business of Sany group, the main products of which include concrete pump machinery, road machinery, excavating...

    Started by ame, 06-06-2016 02:11 AM
    concrete pumping
    • Replies: 0
    • Views: 2,192
    06-06-2016 02:11 AM Go to last post
  19. Engineering machinery working in the summer

    Engineering machinery working in the summer has to withstand the long-lasting jobs and high temperature. High temperatures not only affect the...

    Started by yuebanwan, 06-16-2016 12:25 AM
    • Replies: 0
    • Views: 1,259
    06-16-2016 12:25 AM Go to last post
  20. Long Reach Excavators With Good Quality

    The long reach excavators are superior to the typical excavators in many special construction cases, but if you already have one excavator, you’d...

    Started by yuebanwan, 09-06-2016 02:48 AM
    • Replies: 0
    • Views: 3,124
    09-06-2016 02:48 AM Go to last post

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