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08-20-2018
03:42 AM

08-20-2018
03:42 AM

Mathcad Prime 5 displays some really nice 2D plots but is it possible to do something like this? Sort of a hatch for the graph.

Solved! Go to Solution.

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08-20-2018
05:25 AM

08-20-2018
05:25 AM

I guess the new charts aren't that capable. The best you can get seems to be a solid or a gradient fill, but no hatch.

As in the versions before you'll have to program a hatch yourself.

I guess the new charts will look differently as shown in this screenshot if you open the attached file - especially I expect font and arrow size to be much larger unless you are using like me a small, but high resolution screen with a windows zoom (not in Prime) set to something like 250%-300%.

This is due to a bug in the implementation of this chart module - it does not consider the zoom factor set in windows 😞

Another bug is the preview of the new charts. Here is what i see with the chart were I had added the hatch (fortunately the result in the sheet is as it should be):

33 REPLIES 33

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08-20-2018
05:25 AM

08-20-2018
05:25 AM

I guess the new charts aren't that capable. The best you can get seems to be a solid or a gradient fill, but no hatch.

As in the versions before you'll have to program a hatch yourself.

I guess the new charts will look differently as shown in this screenshot if you open the attached file - especially I expect font and arrow size to be much larger unless you are using like me a small, but high resolution screen with a windows zoom (not in Prime) set to something like 250%-300%.

This is due to a bug in the implementation of this chart module - it does not consider the zoom factor set in windows 😞

Another bug is the preview of the new charts. Here is what i see with the chart were I had added the hatch (fortunately the result in the sheet is as it should be):

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08-20-2018
06:10 AM

08-20-2018
06:10 AM

Re: Mathcad Prime 5 graphs!

This works really nice but the problem is that it is shown in the legend since it's not the same function as the one for the graph. Is there any way we can remove it from the legend?

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08-20-2018
06:22 AM

08-20-2018
06:22 AM

Re: Mathcad Prime 5 graphs!

@DrilonShabani wrote:

This works really nice but the problem is that it is shown in the legend since it's not the same function as the one for the graph. Is there any way we can remove it from the legend?

Again I fear that the chart plot isn't that capable and you can't select which trace you'd like to see in the legend or edit it in some other way. These menu driven plot charts unfortunately are not very flexible and are a big disappointment.

You could give the second plot trace, the hatch, a name consisting of just one blank, but the colored square will still show up in the legend.

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08-20-2018
06:25 AM

08-20-2018
06:25 AM

Re: Mathcad Prime 5 graphs!

I guess it's time to call in Photoshop 😜.

Thanks for your reply.

Thanks for your reply.

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08-30-2018
05:29 AM

08-30-2018
05:29 AM

Re: Mathcad Prime 5 graphs!

I disagree. Despite minor issues I think the charts are indeed very capable. Nice job here by PTC.

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08-30-2018
06:09 AM

08-30-2018
06:09 AM

Re: Mathcad Prime 5 graphs!

@Charly wrote:

I disagree.

You disagree with ... what?

Your post is a direct reply to a post of mine

where I stated that

1) the new charts are not capable to hatch fill an area as was asked for by the OP

2) the new charts do not respect the scale/zoom factor which is set globally in windows and so the fonts are much too tiny

3) I mentioned a bug in the preview

Any point here you disagree with?

Sure I ranted about the new chart in some other posts in other threads here in this forum as I am very disappointed and those charts are rather useless for me and I sure don't consider it a well done job given that all we see after two years of "development" is a boldly integrated second-rate third party tool.

Here you sure may disagree if you really don't need more for your work than the new charts have to offer.

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08-30-2018
08:35 AM

08-30-2018
08:35 AM

Re: Mathcad Prime 5 graphs!

Hi @Werner_E,

we had a convo already on another thread where you expressed your issues with the new Mathcad Prime 5 capabilites. I think, I may have found an annoying bug. I may be wrong or I am overseeing something but its a problem that should not occure in a software that champions its mastery of units as Mathcad.

Anyways, I have a simple SDOF oscillator. The vertical displacement has been determined both analytically in Mathcad and by means of FEA. Now I am comparing the results in Mathcad. The FEA results have been imported into Mathcad using the Excel component as follows:

Let us focus on the vertical displacement which I have defined as output yd_FEA. The units are clearly in millimeter. A check of the yd_FEA values in Mathcad yields the following:

...which shows that the units are rightly understood by Mathcad from the embedded Excel file.

The analytically calculated vertical displacement of the SDOF system has been calculated as follows:

A check of the analytically calculated results for the frequency range in which the FEA was performed yields the following:

So far so good. The FEA and analytical results both correlate very well and have the unit of mm. Now if I try to plot both values using the Prime 5 chart tool, it doesn't seem to rightly recognize the units of the vertical displacement:

As u see in the chart, even though I have forced the units of the Y values to be in mm, and both results correlate well on the chart, the chart tool gives Y values that are *10^6 off. Only by changing the units to km, does it correlate to the calculate values.

What could be the problem? A bug or am I missing something??? If any one else can figure out what is going on, please let me know.

Thanks

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08-30-2018
08:39 AM

08-30-2018
08:39 AM

Re: Mathcad Prime 5 graphs!

Btw, if I use the normal diagram option in Mathcad Prime, everything is fine. Only in the chart tool are the units messed up!

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08-30-2018
08:59 AM

08-30-2018
08:59 AM

Re: Mathcad Prime 5 graphs!

In your plot you are multiplying the units with the variable. That gives you a unit squared. Normally you would divide the quantity by the unit you want to show, such that the values along the axes become unitless. Essentailly that is what the 'old' 2D plot of prime does, when you put the unit between brackets: it divides the quantity by that unit to get the values along the axes.

So instead of Y1:= yd(...) * mm, you should: Y1:= yd(...) / mm.

Success!

Luc

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08-30-2018
09:05 AM

08-30-2018
09:05 AM

Re: Mathcad Prime 5 graphs!

Works like magic. My bad then. Would have been shocked if it was a bug with the chart tool. I just got too used to multiplying to get the right units that I missed the aspect of dividing by the unit to get the right values when dealing with variables

All good now 🙂

Thanks @LucMeekes

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08-30-2018
09:43 AM

08-30-2018
09:43 AM

Re: Mathcad Prime 5 graphs!

So it looks like the chart component is not unit-aware and you can't set the unit you'd like to see like in the normal plot region!?

That would be a step backward, as it would be necessary to make the values unit-less by division as Luc had explained and as we have to do in Mathcad 15 and below.

As bad as the original plots in Prime are, they had at least two benefits over those in Mathcad 15 (apart from the arrows which I like, too):

1) being able to set the unit (basically Prime will do exactly the division explained above, but it looks better and more natural that way

2) being able to control not only minimum and maximum value for each axis by a Mathcad variable but also the step width of the axis ticks by setting the second value via a variable.

Both benefits are not available in the new chart component.

Especially the first is bad as Prime, mediocre as it may be compared to real Mathcad, had at least made some steps in the right direction making the software better unit-aware than it was (no SUC, units with odesolve,..)

Its as you wrote - "its a problem that should not occure in a software that champions its mastery of units as Mathcad." ...

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08-30-2018
09:54 AM

08-30-2018
09:54 AM

Re: Mathcad Prime 5 graphs!

You are absolutely right @Werner_E. I do think it is a step backwards. I guess, that is the reason why I initally had problems defining the units in the chart tool: I had gotten so comfortable with the ease of using units in the normal Diagram option in Prime. I think it handles units very well and it feels natural that way. That is why I was multiplying instead. I had forgotten that with the classic mathcad , we also had to divide to get the right unit 😕

Also, the normal Diagram option of Prime could write powers such as 10² or 10³ on the axis. Apparently the new chart tool cannot do this. It can only do the scientific notation of 1E+2 or 1E+3 like in Excel which I think is a step backwards. I prefer the 10² notation especially when one has logarithmic scales.

Anyways, we live with what we get! 😄

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08-30-2018
10:13 AM

08-30-2018
10:13 AM

Re: Mathcad Prime 5 graphs!

By the way, Does anyone know how to write subscripts and superscripts in the axis titles of the new chart tool? Or how to use calculated variables as axis titles? Is it even possible?

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08-30-2018
10:17 AM

08-30-2018
10:17 AM

Re: Mathcad Prime 5 graphs!

One way is to use word. Go to symbols and find the letter you want to use as a subscript. Dont use the subscipt and then add the letter. Find the symbol that is a subscript itself. You cant find all symbols but that's the best i could do.

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08-30-2018
12:42 PM

08-30-2018
12:42 PM

Re: Mathcad Prime 5 graphs!

According to variables in axis titles, I guess thats not possible, too.

The only things you can bring from "outside" into the chart component are the mathematical axis expressions (without units) and min / max values for each axis.

All the rest can only be set manually in the components menu.

Maybe some day, if the pressure is hard enough, PTC will change the interface and allow additional options to be changed dynamically.

Concerning sub and superscripts: Did you really expect this to be possible? Ridiculous as it may sound but we still don't even have super- and subscipts in normal Prime text regions!

Its unbelievable that in 2018 in a current software we have to resort to clumsy and unsatisfyingly workarounds like the one @DrilonShabani has suggested. BTW, instead of fire up word you could start the windows system program "charmap".

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09-02-2018
08:07 AM

09-02-2018
08:07 AM

Re: Mathcad Prime 5 graphs!

I disagree that the chart is not very capable. To me it is. I get charts like fig.1, which are of excellent quality and not before possible with MC.

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09-02-2018
08:14 AM

09-02-2018
08:14 AM

Re: Mathcad Prime 5 graphs!

@Charly wrote:

Sure, if thats all you need its fine for you.

For me the non-scaling bug alone makes those charts unusable as of the far too small font size.

Not speaking of missing labelled markers, the bad/not existent unit handling and the inability to control certain options like grid width from within the worksheet. Having that less dynamic formatting abilities and having to format each chart manually separately sure does not follow the spirit of Mathcad of being a dynamically working math/engineering software.

But obviously tastes and needs are different.

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08-31-2018
06:17 AM

08-31-2018
06:17 AM

Re: Mathcad Prime 5 graphs!

Coffee break

Using Hatch function by Werner_E Level 20

T.Tokoro.

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09-01-2018
03:14 AM

09-01-2018
03:14 AM

Re: Mathcad Prime 5 graphs!

Using Hatch function by Werner_E Level 20 , (Inclined hatch) T.Tokoro.

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09-01-2018
06:04 AM

09-01-2018
06:04 AM

Re: Mathcad Prime 5 graphs!

Can you show the angled hatch with a transparent background? 😉

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09-01-2018
08:00 AM

09-01-2018
08:00 AM

Re: Mathcad Prime 5 graphs!

Angled hatch area is with a transparent background but other areas are fully filled by lines.

Therefore, the cross points of the functions are not solved (used).

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09-01-2018
08:19 AM

09-01-2018
08:19 AM

Re: Mathcad Prime 5 graphs!

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09-01-2018
09:18 AM

09-01-2018
09:18 AM

Re: Mathcad Prime 5 graphs!

**Pytagoreanth Puzzle.**

There is a circle with center (0,0) and radius r.

Find 5 points P1 to P5 on the circle and P3 is set at (r,0).

**All distances of any two points are Integer.**

Find the smallest r and the positions of all 5 points.

How about 10 points of this probrem.

Yuo can use Mathcad of course.

T.Tokoro

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09-01-2018
11:10 AM

09-01-2018
11:10 AM

Re: Mathcad Prime 5 graphs!

Hmmm, interesting puzzle!

Reminds me on "Cyclic Qudrilaterals" here -> http://www.contestcen.com/geom.htm

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09-01-2018
09:21 AM

09-01-2018
09:21 AM

Re: Mathcad Prime 5 graphs!

> Angled hatch area is with a transparent background but other areas are fully filled by lines.

Yes, that was my point - my asking was a little bit nasty 😉

It took me a while thinking about how you achieved the nice, angled hatch effect with your two hatch functions until I realized that you are hatching a rectangle first and then you hatch-paint the "outside" white.

Clever idea nonetheless.

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04-09-2021
03:31 PM

04-09-2021
03:31 PM

Re: Mathcad Prime 5 graphs!

Does anybody have an example "Hatch" function that creates a hatch between two functions plotted in polar coordinates?

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04-09-2021
04:07 PM

04-09-2021
04:07 PM

Re: Mathcad Prime 5 graphs!

Can you post an example of what you are looking for?

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04-09-2021
04:17 PM

04-09-2021
04:17 PM

Re: Mathcad Prime 5 graphs!

It doesn't necessarily need to be in polar coordinates, but I was thinking that might be a convenient form if possible.

An example of what I'm attempting to recreate is attached. The example is showing forces distribution acting on a circular body. I'm starting with the x,y coordinates for the nodes along the circle and corresponding force/moments acting on each point.

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04-09-2021
04:21 PM

04-09-2021
04:21 PM

Re: Mathcad Prime 5 graphs!

So post your worksheet with the plots (without the hatch).

This would also show which version of Mathcad or Prime you are using.